Java API By Example, From Geeks To Geeks.

1 /******************************************************************************* 2  * Copyright (c) 2003, 2007 IBM Corporation and others. 3  * All rights reserved. This program and the accompanying materials 4  * are made available under the terms of the Eclipse Public License v1.0 5  * which accompanies this distribution, and is available at 6  * http://www.eclipse.org/legal/epl-v10.html 7  * 8  * Contributors: 9  * IBM Corporation - initial API and implementation 10  *******************************************************************************/ 11 package org.eclipse.swt.browser; 12 13 import java.io.*; 14 import java.lang.reflect.*; 15 import java.util.*; 16 import org.eclipse.swt.*; 17 import org.eclipse.swt.widgets.*; 18 import org.eclipse.swt.graphics.*; 19 import org.eclipse.swt.internal.*; 20 import org.eclipse.swt.internal.mozilla.*; 21 import org.eclipse.swt.layout.*; 22 23 class Mozilla extends WebBrowser { 24     int /*long*/ embedHandle; 25     nsIWebBrowser webBrowser; 26     Object webBrowserObject; 27     MozillaDelegate delegate; 28 29     /* Interfaces for this Mozilla embedding notification */ 30     XPCOMObject supports; 31     XPCOMObject weakReference; 32     XPCOMObject webProgressListener; 33     XPCOMObject webBrowserChrome; 34     XPCOMObject webBrowserChromeFocus; 35     XPCOMObject embeddingSiteWindow; 36     XPCOMObject interfaceRequestor; 37     XPCOMObject supportsWeakReference; 38     XPCOMObject contextMenuListener; 39     XPCOMObject uriContentListener; 40     XPCOMObject tooltipListener; 41     XPCOMObject domEventListener; 42     int chromeFlags = nsIWebBrowserChrome.CHROME_DEFAULT; 43     int refCount = 0; 44     int /*long*/ request; 45     Point location, size; 46     byte[] htmlBytes; 47     boolean visible, isChild, ignoreDispose; 48     Shell tip = null; 49     Listener listener; 50     Vector unhookedDOMWindows = new Vector (); 51 52     static nsIAppShell AppShell; 53     static AppFileLocProvider LocationProvider; 54     static WindowCreator2 WindowCreator; 55     static int BrowserCount; 56     static boolean Initialized, IsXULRunner, Is_1_8; 57 58     /* XULRunner detect constants */ 59     static final String GRERANGE_LOWER = "1.8.1.2"; //$NON-NLS-1$ 60 static final String GRERANGE_LOWER_FALLBACK = "1.8"; //$NON-NLS-1$ 61 static final boolean LowerRangeInclusive = true; 62     static final String GRERANGE_UPPER = "1.9"; //$NON-NLS-1$ 63 static final boolean UpperRangeInclusive = false; 64 65     static final String SEPARATOR_OS = System.getProperty ("file.separator"); //$NON-NLS-1$ 66 static final String URI_FROMMEMORY = "file:///"; //$NON-NLS-1$ 67 static final String ABOUT_BLANK = "about:blank"; //$NON-NLS-1$ 68 static final String PREFERENCE_DISABLEOPENDURINGLOAD = "dom.disable_open_during_load"; //$NON-NLS-1$ 69 static final String PREFERENCE_DISABLEWINDOWSTATUSCHANGE = "dom.disable_window_status_change"; //$NON-NLS-1$ 70 static final String PREFERENCE_LANGUAGES = "intl.accept_languages"; //$NON-NLS-1$ 71 static final String PREFERENCE_CHARSET = "intl.charset.default"; //$NON-NLS-1$ 72 static final String SEPARATOR_LOCALE = "-"; //$NON-NLS-1$ 73 static final String TOKENIZER_LOCALE = ","; //$NON-NLS-1$ 74 static final String PROFILE_DIR = SEPARATOR_OS + "eclipse" + SEPARATOR_OS; //$NON-NLS-1$ 75 static final String PROFILE_AFTER_CHANGE = "profile-after-change"; //$NON-NLS-1$ 76 static final String PROFILE_BEFORE_CHANGE = "profile-before-change"; //$NON-NLS-1$ 77 static final String PROFILE_DO_CHANGE = "profile-do-change"; //$NON-NLS-1$ 78 static final String SHUTDOWN_PERSIST = "shutdown-persist"; //$NON-NLS-1$ 79 static final String STARTUP = "startup"; //$NON-NLS-1$ 80 81     // TEMPORARY CODE 82 static final String XULRUNNER_INITIALIZED = "org.eclipse.swt.browser.XULRunnerInitialized"; //$NON-NLS-1$ 83 static final String XULRUNNER_PATH = "org.eclipse.swt.browser.XULRunnerPath"; //$NON-NLS-1$ 84 85     static { 86         MozillaClearSessions = new Runnable () { 87             public void run () { 88                 if (!Initialized) return; 89                 int /*long*/[] result = new int /*long*/[1]; 90                 int rc = XPCOM.NS_GetServiceManager (result); 91                 if (rc != XPCOM.NS_OK) error (rc); 92                 if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 93                 nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 94                 result[0] = 0; 95                 byte[] aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_COOKIEMANAGER_CONTRACTID, true); 96                 rc = serviceManager.GetServiceByContractID (aContractID, nsICookieManager.NS_ICOOKIEMANAGER_IID, result); 97                 if (rc != XPCOM.NS_OK) error (rc); 98                 if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 99                 serviceManager.Release (); 100 101                 nsICookieManager manager = new nsICookieManager (result[0]); 102                 result[0] = 0; 103                 rc = manager.GetEnumerator (result); 104                 if (rc != XPCOM.NS_OK) error (rc); 105                 manager.Release (); 106 107                 nsISimpleEnumerator enumerator = new nsISimpleEnumerator (result[0]); 108                 boolean[] moreElements = new boolean[1]; 109                 rc = enumerator.HasMoreElements (moreElements); 110                 if (rc != XPCOM.NS_OK) error (rc); 111                 while (moreElements[0]) { 112                     result[0] = 0; 113                     rc = enumerator.GetNext (result); 114                     if (rc != XPCOM.NS_OK) error (rc); 115                     nsICookie cookie = new nsICookie (result[0]); 116                     long[] expires = new long[1]; 117                     rc = cookie.GetExpires (expires); 118                     if (expires[0] == 0) { 119                         /* indicates a session cookie */ 120                         int /*long*/ domain = XPCOM.nsEmbedCString_new (); 121                         int /*long*/ name = XPCOM.nsEmbedCString_new (); 122                         int /*long*/ path = XPCOM.nsEmbedCString_new (); 123                         cookie.GetHost (domain); 124                         cookie.GetName (name); 125                         cookie.GetPath (path); 126                         rc = manager.Remove (domain, name, path, false); 127                         XPCOM.nsEmbedCString_delete (domain); 128                         XPCOM.nsEmbedCString_delete (name); 129                         XPCOM.nsEmbedCString_delete (path); 130                         if (rc != XPCOM.NS_OK) error (rc); 131                     } 132                     cookie.Release (); 133                     rc = enumerator.HasMoreElements (moreElements); 134                     if (rc != XPCOM.NS_OK) error (rc); 135                 } 136                 enumerator.Release (); 137             } 138         }; 139     } 140 141 public void create (Composite parent, int style) { 142     delegate = new MozillaDelegate (browser); 143     Display display = parent.getDisplay (); 144 145     int /*long*/[] result = new int /*long*/[1]; 146     if (!Initialized) { 147         boolean initLoaded = false; 148         IsXULRunner = false; 149         String mozillaPath = System.getProperty (XULRUNNER_PATH); 150         if (mozillaPath == null) { 151             try { 152                 Library.loadLibrary ("swt-xpcominit"); //$NON-NLS-1$ 153 initLoaded = true; 154             } catch (UnsatisfiedLinkError e) { 155                 /* 156                 * If this library failed to load then do not attempt to detect a 157                 * xulrunner to use. The Browser may still be usable if MOZILLA_FIVE_HOME 158                 * points at a GRE. 159                 */ 160             } 161         } else { 162             mozillaPath += SEPARATOR_OS + delegate.getLibraryName (); 163             String xulrunnerInitialized = System.getProperty (XULRUNNER_INITIALIZED); 164             if ("true".equals (xulrunnerInitialized)) { 165                 /* 166                  * Another browser has already initialized xulrunner in this process, 167                  * so just bind to it instead of trying to initialize a new one. 168                  */ 169                 Initialized = true; 170             } 171             IsXULRunner = true; 172         } 173 174         if (initLoaded) { 175             /* attempt to discover a XULRunner to use as the GRE */ 176             GREVersionRange range = new GREVersionRange (); 177             byte[] bytes = MozillaDelegate.wcsToMbcs (null, GRERANGE_LOWER, true); 178             int /*long*/ lower = C.malloc (bytes.length); 179             C.memmove (lower, bytes, bytes.length); 180             range.lower = lower; 181             range.lowerInclusive = LowerRangeInclusive; 182 183             bytes = MozillaDelegate.wcsToMbcs (null, GRERANGE_UPPER, true); 184             int /*long*/ upper = C.malloc (bytes.length); 185             C.memmove (upper, bytes, bytes.length); 186             range.upper = upper; 187             range.upperInclusive = UpperRangeInclusive; 188 189             int length = XPCOMInit.PATH_MAX; 190             int /*long*/ greBuffer = C.malloc (length); 191             int /*long*/ propertiesPtr = C.malloc (2 * C.PTR_SIZEOF); 192             int rc = XPCOMInit.GRE_GetGREPathWithProperties (range, 1, propertiesPtr, 0, greBuffer, length); 193 194             /* 195              * A XULRunner was not found that supports wrapping of XPCOM handles as JavaXPCOM objects. 196              * Drop the lower version bound and try to detect an earlier XULRunner installation. 197              */ 198             if (rc != XPCOM.NS_OK) { 199                 C.free (lower); 200                 bytes = MozillaDelegate.wcsToMbcs (null, GRERANGE_LOWER_FALLBACK, true); 201                 lower = C.malloc (bytes.length); 202                 C.memmove (lower, bytes, bytes.length); 203                 range.lower = lower; 204                 rc = XPCOMInit.GRE_GetGREPathWithProperties (range, 1, propertiesPtr, 0, greBuffer, length); 205             } 206 207             C.free (lower); 208             C.free (upper); 209             C.free (propertiesPtr); 210             if (rc == XPCOM.NS_OK) { 211                 /* indicates that a XULRunner was found */ 212                 length = C.strlen (greBuffer); 213                 bytes = new byte[length]; 214                 C.memmove (bytes, greBuffer, length); 215                 mozillaPath = new String (MozillaDelegate.mbcsToWcs (null, bytes)); 216                 IsXULRunner = mozillaPath.length () > 0; 217 218                 /* 219                  * Test whether the detected XULRunner can be used as the GRE before loading swt's 220                  * XULRunner library. If it cannot be used then fall back to attempting to use 221                  * the GRE pointed to by MOZILLA_FIVE_HOME. 222                  * 223                  * One case where this will fail is attempting to use a 64-bit xulrunner while swt 224                  * is running in 32-bit mode, or vice versa. 225                  */ 226                 if (IsXULRunner) { 227                     byte[] path = MozillaDelegate.wcsToMbcs (null, mozillaPath, true); 228                     rc = XPCOMInit.XPCOMGlueStartup (path); 229                     if (rc != XPCOM.NS_OK) { 230                         IsXULRunner = false; /* failed */ 231                         mozillaPath = mozillaPath.substring (0, mozillaPath.lastIndexOf (SEPARATOR_OS)); 232                         if (Device.DEBUG) System.out.println ("cannot use detected XULRunner: " + mozillaPath); //$NON-NLS-1$ 233 } else { 234                         XPCOMInit.XPCOMGlueShutdown (); 235                     } 236                 } 237             } 238             C.free (greBuffer); 239         } 240 241         if (IsXULRunner) { 242             if (Device.DEBUG) System.out.println ("XULRunner path: " + mozillaPath); //$NON-NLS-1$ 243 try { 244                 Library.loadLibrary ("swt-xulrunner"); //$NON-NLS-1$ 245 } catch (UnsatisfiedLinkError e) { 246                 try { 247                     /* 248                      * The initial loadLibrary attempt may have failed as a result of the user's 249                      * system not having libstdc++.so.6 installed, so try to load the alternate 250                      * swt xulrunner library that depends on libswtc++.so.5 instead. 251                      */ 252                     Library.loadLibrary ("swt-xulrunner-gcc3"); //$NON-NLS-1$ 253 } catch (UnsatisfiedLinkError ex) { 254                     browser.dispose (); 255                     /* 256                      * Print the error from the first failed attempt since at this point it's 257                      * known that the failure was not due to the libstdc++.so.6 dependency. 258                      */ 259                     SWT.error (SWT.ERROR_NO_HANDLES, e); 260                 } 261             } 262             byte[] path = MozillaDelegate.wcsToMbcs (null, mozillaPath, true); 263             int rc = XPCOM.XPCOMGlueStartup (path); 264             if (rc != XPCOM.NS_OK) { 265                 browser.dispose (); 266                 error (rc); 267             } 268 269             /* 270              * Remove the trailing xpcom lib name from mozillaPath because the 271              * Mozilla.initialize and NS_InitXPCOM2 invocations require a directory name only. 272              */ 273             mozillaPath = mozillaPath.substring (0, mozillaPath.lastIndexOf (SEPARATOR_OS)); 274         } else { 275             if ((style & SWT.MOZILLA) != 0) { 276                 browser.dispose (); 277                 String errorString = (mozillaPath != null && mozillaPath.length () > 0) ? 278                     " [Failed to use detected XULRunner: " + mozillaPath + "]" : 279                     " [Could not detect registered XULRunner to use]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ 280 SWT.error (SWT.ERROR_NO_HANDLES, null, errorString); 281             } 282 283             /* attempt to use the GRE pointed at by MOZILLA_FIVE_HOME */ 284             int /*long*/ ptr = C.getenv (MozillaDelegate.wcsToMbcs (null, XPCOM.MOZILLA_FIVE_HOME, true)); 285             if (ptr != 0) { 286                 int length = C.strlen (ptr); 287                 byte[] buffer = new byte[length]; 288                 C.memmove (buffer, ptr, length); 289                 mozillaPath = new String (MozillaDelegate.mbcsToWcs (null, buffer)); 290             } else { 291                 browser.dispose (); 292                 SWT.error (SWT.ERROR_NO_HANDLES, null, " [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)]"); //$NON-NLS-1$ 293 } 294             if (Device.DEBUG) System.out.println ("Mozilla path: " + mozillaPath); //$NON-NLS-1$ 295 296             /* 297             * Note. Embedding a Mozilla GTK1.2 causes a crash. The workaround 298             * is to check the version of GTK used by Mozilla by looking for 299             * the libwidget_gtk.so library used by Mozilla GTK1.2. Mozilla GTK2 300             * uses the libwidget_gtk2.so library. 301             */ 302             File file = new File (mozillaPath, "components/libwidget_gtk.so"); //$NON-NLS-1$ 303 if (file.exists ()) { 304                 browser.dispose (); 305                 SWT.error (SWT.ERROR_NO_HANDLES, null, " [Mozilla GTK2 required (GTK1.2 detected)]"); //$NON-NLS-1$ 306 } 307      308             try { 309                 Library.loadLibrary ("swt-mozilla"); //$NON-NLS-1$ 310 } catch (UnsatisfiedLinkError e) { 311                 try { 312                     /* 313                      * The initial loadLibrary attempt may have failed as a result of the user's 314                      * system not having libstdc++.so.6 installed, so try to load the alternate 315                      * swt mozilla library that depends on libswtc++.so.5 instead. 316                      */ 317                     Library.loadLibrary ("swt-mozilla-gcc3"); //$NON-NLS-1$ 318 } catch (UnsatisfiedLinkError ex) { 319                     browser.dispose (); 320                     /* 321                      * Print the error from the first failed attempt since at this point it's 322                      * known that the failure was not due to the libstdc++.so.6 dependency. 323                      */ 324                     SWT.error (SWT.ERROR_NO_HANDLES, e); 325                 } 326             } 327         } 328 329         if (!Initialized) { 330             int /*long*/[] retVal = new int /*long*/[1]; 331             nsEmbedString pathString = new nsEmbedString (mozillaPath); 332             int rc = XPCOM.NS_NewLocalFile (pathString.getAddress (), true, retVal); 333             pathString.dispose (); 334             if (rc != XPCOM.NS_OK) { 335                 browser.dispose (); 336                 error (rc); 337             } 338             if (retVal[0] == 0) { 339                 browser.dispose (); 340                 error (XPCOM.NS_ERROR_NULL_POINTER); 341             } 342 343             LocationProvider = new AppFileLocProvider (mozillaPath); 344             LocationProvider.AddRef (); 345 346             nsIFile localFile = new nsILocalFile (retVal[0]); 347             rc = XPCOM.NS_InitXPCOM2 (0, localFile.getAddress(), LocationProvider.getAddress ()); 348             localFile.Release (); 349             if (rc != XPCOM.NS_OK) { 350                 browser.dispose (); 351                 SWT.error (SWT.ERROR_NO_HANDLES, null, " [MOZILLA_FIVE_HOME may not point at an embeddable GRE] [NS_InitEmbedding " + mozillaPath + " error " + rc + "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ 352 } 353             System.setProperty (XULRUNNER_PATH, mozillaPath); 354             System.setProperty (XULRUNNER_INITIALIZED, "true"); //$NON-NLS-1$ 355 } 356 357         /* If JavaXPCOM is detected then attempt to initialize it with the XULRunner being used */ 358         if (IsXULRunner) { 359             try { 360                 Class clazz = Class.forName ("org.mozilla.xpcom.Mozilla"); //$NON-NLS-1$ 361 Method method = clazz.getMethod ("getInstance", new Class [0]); //$NON-NLS-1$ 362 Object mozilla = method.invoke (null, new Object [0]); 363                 method = clazz.getMethod ("getComponentManager", new Class [0]); //$NON-NLS-1$ 364 try { 365                     method.invoke (mozilla, new Object [0]); 366                 } catch (InvocationTargetException e) { 367                     /* indicates that JavaXPCOM has not been initialized yet */ 368                     method = clazz.getMethod ("initialize", new Class [] {File.class}); //$NON-NLS-1$ 369 method.invoke (mozilla, new Object [] {new File (mozillaPath)}); 370                 } 371             } catch (ClassNotFoundException e) { 372                 /* JavaXPCOM is not on the classpath */ 373             } catch (NoSuchMethodException e) { 374                 /* the JavaXPCOM on the classpath does not implement initialize() */ 375             } catch (IllegalArgumentException e) { 376             } catch (IllegalAccessException e) { 377             } catch (InvocationTargetException e) { 378             } 379         } 380 381         int rc = XPCOM.NS_GetComponentManager (result); 382         if (rc != XPCOM.NS_OK) { 383             browser.dispose (); 384             error (rc); 385         } 386         if (result[0] == 0) { 387             browser.dispose (); 388             error (XPCOM.NS_NOINTERFACE); 389         } 390          391         nsIComponentManager componentManager = new nsIComponentManager (result[0]); 392         result[0] = 0; 393         /* nsIAppShell is discontinued as of xulrunner 1.9, so do not fail if it is not found */ 394         rc = componentManager.CreateInstance (XPCOM.NS_APPSHELL_CID, 0, nsIAppShell.NS_IAPPSHELL_IID, result); 395         if (rc != XPCOM.NS_ERROR_NO_INTERFACE) { 396             if (rc != XPCOM.NS_OK) { 397                 browser.dispose (); 398                 error (rc); 399             } 400             if (result[0] == 0) { 401                 browser.dispose (); 402                 error (XPCOM.NS_NOINTERFACE); 403             } 404 405             AppShell = new nsIAppShell (result[0]); 406             rc = AppShell.Create (0, null); 407             if (rc != XPCOM.NS_OK) { 408                 browser.dispose (); 409                 error (rc); 410             } 411             rc = AppShell.Spinup (); 412             if (rc != XPCOM.NS_OK) { 413                 browser.dispose (); 414                 error (rc); 415             } 416         } 417         result[0] = 0; 418 419         WindowCreator = new WindowCreator2 (); 420         WindowCreator.AddRef (); 421          422         rc = XPCOM.NS_GetServiceManager (result); 423         if (rc != XPCOM.NS_OK) { 424             browser.dispose (); 425             error (rc); 426         } 427         if (result[0] == 0) { 428             browser.dispose (); 429             error (XPCOM.NS_NOINTERFACE); 430         } 431          432         nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 433         result[0] = 0; 434         byte[] aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_WINDOWWATCHER_CONTRACTID, true); 435         rc = serviceManager.GetServiceByContractID (aContractID, nsIWindowWatcher.NS_IWINDOWWATCHER_IID, result); 436         if (rc != XPCOM.NS_OK) { 437             browser.dispose (); 438             error (rc); 439         } 440         if (result[0] == 0) { 441             browser.dispose (); 442             error (XPCOM.NS_NOINTERFACE); 443         } 444 445         nsIWindowWatcher windowWatcher = new nsIWindowWatcher (result[0]); 446         result[0] = 0; 447         rc = windowWatcher.SetWindowCreator (WindowCreator.getAddress()); 448         if (rc != XPCOM.NS_OK) { 449             browser.dispose (); 450             error (rc); 451         } 452         windowWatcher.Release (); 453 454         /* compute the profile directory and set it on the AppFileLocProvider */ 455         if (LocationProvider != null) { 456             byte[] buffer = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_DIRECTORYSERVICE_CONTRACTID, true); 457             rc = serviceManager.GetServiceByContractID (buffer, nsIDirectoryService.NS_IDIRECTORYSERVICE_IID, result); 458             if (rc != XPCOM.NS_OK) { 459                 browser.dispose (); 460                 error (rc); 461             } 462             if (result[0] == 0) { 463                 browser.dispose (); 464                 error (XPCOM.NS_NOINTERFACE); 465             } 466 467             nsIDirectoryService directoryService = new nsIDirectoryService (result[0]); 468             result[0] = 0; 469             rc = directoryService.QueryInterface (nsIProperties.NS_IPROPERTIES_IID, result); 470             if (rc != XPCOM.NS_OK) { 471                 browser.dispose (); 472                 error (rc); 473             } 474             if (result[0] == 0) { 475                 browser.dispose (); 476                 error (XPCOM.NS_NOINTERFACE); 477             } 478             directoryService.Release (); 479 480             nsIProperties properties = new nsIProperties (result[0]); 481             result[0] = 0; 482             buffer = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_APP_APPLICATION_REGISTRY_DIR, true); 483             rc = properties.Get (buffer, nsIFile.NS_IFILE_IID, result); 484             if (rc != XPCOM.NS_OK) { 485                 browser.dispose (); 486                 error (rc); 487             } 488             if (result[0] == 0) { 489                 browser.dispose (); 490                 error (XPCOM.NS_NOINTERFACE); 491             } 492             properties.Release (); 493 494             nsIFile profileDir = new nsIFile (result[0]); 495             result[0] = 0; 496             int /*long*/ path = XPCOM.nsEmbedCString_new (); 497             rc = profileDir.GetNativePath (path); 498             if (rc != XPCOM.NS_OK) { 499                 browser.dispose (); 500                 error (rc); 501             } 502             int length = XPCOM.nsEmbedCString_Length (path); 503             int /*long*/ ptr = XPCOM.nsEmbedCString_get (path); 504             buffer = new byte [length]; 505             XPCOM.memmove (buffer, ptr, length); 506             String profilePath = new String (MozillaDelegate.mbcsToWcs (null, buffer)) + PROFILE_DIR; 507             LocationProvider.setProfilePath (profilePath); 508             XPCOM.nsEmbedCString_delete (path); 509             profileDir.Release (); 510 511             /* notify observers of a new profile directory being used */ 512             buffer = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_OBSERVER_CONTRACTID, true); 513             rc = serviceManager.GetServiceByContractID (buffer, nsIObserverService.NS_IOBSERVERSERVICE_IID, result); 514             if (rc != XPCOM.NS_OK) { 515                 browser.dispose (); 516                 error (rc); 517             } 518             if (result[0] == 0) { 519                 browser.dispose (); 520                 error (XPCOM.NS_NOINTERFACE); 521             } 522 523             nsIObserverService observerService = new nsIObserverService (result[0]); 524             result[0] = 0; 525             buffer = MozillaDelegate.wcsToMbcs (null, PROFILE_DO_CHANGE, true); 526             length = STARTUP.length (); 527             char[] chars = new char [length + 1]; 528             STARTUP.getChars (0, length, chars, 0); 529             rc = observerService.NotifyObservers (0, buffer, chars); 530             if (rc != XPCOM.NS_OK) { 531                 browser.dispose (); 532                 error (rc); 533             } 534             buffer = MozillaDelegate.wcsToMbcs (null, PROFILE_AFTER_CHANGE, true); 535             rc = observerService.NotifyObservers (0, buffer, chars); 536             if (rc != XPCOM.NS_OK) { 537                 browser.dispose (); 538                 error (rc); 539             } 540             observerService.Release (); 541 542             display.addListener (SWT.Dispose, new Listener () { 543                 public void handleEvent (Event event) { 544                     int /*long*/[] result = new int /*long*/[1]; 545                     int rc = XPCOM.NS_GetServiceManager (result); 546                     if (rc != XPCOM.NS_OK) error (rc); 547                     if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 548 549                     nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 550                     result[0] = 0; 551                     byte[] buffer = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_OBSERVER_CONTRACTID, true); 552                     rc = serviceManager.GetServiceByContractID (buffer, nsIObserverService.NS_IOBSERVERSERVICE_IID, result); 553                     if (rc != XPCOM.NS_OK) error (rc); 554                     if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 555                     serviceManager.Release (); 556 557                     nsIObserverService observerService = new nsIObserverService (result[0]); 558                     result[0] = 0; 559                     buffer = MozillaDelegate.wcsToMbcs (null, PROFILE_BEFORE_CHANGE, true); 560                     int length = SHUTDOWN_PERSIST.length (); 561                     char[] chars = new char [length + 1]; 562                     SHUTDOWN_PERSIST.getChars (0, length, chars, 0); 563                     rc = observerService.NotifyObservers (0, buffer, chars); 564                     if (rc != XPCOM.NS_OK) error (rc); 565                     observerService.Release (); 566                 } 567             }); 568         } 569 570         /* 571          * As a result of using a common profile the user cannot change their locale 572          * and charset. The fix for this is to set mozilla's locale and charset 573          * preference values according to the user's current locale and charset. 574          */ 575         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_PREFSERVICE_CONTRACTID, true); 576         rc = serviceManager.GetServiceByContractID (aContractID, nsIPrefService.NS_IPREFSERVICE_IID, result); 577         serviceManager.Release (); 578         if (rc != XPCOM.NS_OK) { 579             browser.dispose (); 580             error (rc); 581         } 582         if (result[0] == 0) { 583             browser.dispose (); 584             error (XPCOM.NS_NOINTERFACE); 585         } 586 587         nsIPrefService prefService = new nsIPrefService (result[0]); 588         result[0] = 0; 589         byte[] buffer = new byte[1]; 590         rc = prefService.GetBranch (buffer, result); /* empty buffer denotes root preference level */ 591         prefService.Release (); 592         if (rc != XPCOM.NS_OK) { 593             browser.dispose (); 594             error (rc); 595         } 596         if (result[0] == 0) { 597             browser.dispose (); 598             error (XPCOM.NS_NOINTERFACE); 599         } 600 601         nsIPrefBranch prefBranch = new nsIPrefBranch (result[0]); 602         result[0] = 0; 603 604         /* get Mozilla's current locale preference value */ 605         String prefLocales = null; 606         nsIPrefLocalizedString localizedString = null; 607         buffer = MozillaDelegate.wcsToMbcs (null, PREFERENCE_LANGUAGES, true); 608         rc = prefBranch.GetComplexValue (buffer, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, result); 609         /* 610          * Feature of Debian. For some reason attempting to query for the current locale 611          * preference fails on Debian. The workaround for this is to assume a value of 612          * "en-us,en" since this is typically the default value when mozilla is used without 613          * a profile. 614          */ 615         if (rc != XPCOM.NS_OK) { 616             prefLocales = "en-us,en" + TOKENIZER_LOCALE; //$NON-NLS-1$ 617 } else { 618             if (result[0] == 0) { 619                 browser.dispose (); 620                 error (XPCOM.NS_NOINTERFACE); 621             } 622             localizedString = new nsIPrefLocalizedString (result[0]); 623             result[0] = 0; 624             rc = localizedString.ToString (result); 625             if (rc != XPCOM.NS_OK) { 626                 browser.dispose (); 627                 error (rc); 628             } 629             if (result[0] == 0) { 630                 browser.dispose (); 631                 error (XPCOM.NS_NOINTERFACE); 632             } 633             int length = XPCOM.strlen_PRUnichar (result[0]); 634             char[] dest = new char[length]; 635             XPCOM.memmove (dest, result[0], length * 2); 636             prefLocales = new String (dest) + TOKENIZER_LOCALE; 637         } 638         result[0] = 0; 639 640         /* 641          * construct the new locale preference value by prepending the 642          * user's current locale and language to the original value 643          */ 644         Locale locale = Locale.getDefault (); 645         String language = locale.getLanguage (); 646         String country = locale.getCountry (); 647         StringBuffer stringBuffer = new StringBuffer (language); 648         stringBuffer.append (SEPARATOR_LOCALE); 649         stringBuffer.append (country.toLowerCase ()); 650         stringBuffer.append (TOKENIZER_LOCALE); 651         stringBuffer.append (language); 652         stringBuffer.append (TOKENIZER_LOCALE); 653         String newLocales = stringBuffer.toString (); 654         StringTokenizer tokenzier = new StringTokenizer (prefLocales, TOKENIZER_LOCALE); 655         while (tokenzier.hasMoreTokens ()) { 656             String token = (tokenzier.nextToken () + TOKENIZER_LOCALE).trim (); 657             /* ensure that duplicate locale values are not added */ 658             if (newLocales.indexOf (token) == -1) { 659                 stringBuffer.append (token); 660             } 661         } 662         newLocales = stringBuffer.toString (); 663         if (!newLocales.equals (prefLocales)) { 664             /* write the new locale value */ 665             newLocales = newLocales.substring (0, newLocales.length () - TOKENIZER_LOCALE.length ()); /* remove trailing tokenizer */ 666             int length = newLocales.length (); 667             char[] charBuffer = new char[length + 1]; 668             newLocales.getChars (0, length, charBuffer, 0); 669             if (localizedString == null) { 670                 byte[] contractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_PREFLOCALIZEDSTRING_CONTRACTID, true); 671                 rc = componentManager.CreateInstanceByContractID (contractID, 0, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, result); 672                 if (rc != XPCOM.NS_OK) { 673                     browser.dispose (); 674                     error (rc); 675                 } 676                 if (result[0] == 0) { 677                     browser.dispose (); 678                     error (XPCOM.NS_NOINTERFACE); 679                 } 680                 localizedString = new nsIPrefLocalizedString (result[0]); 681                 result[0] = 0; 682             } 683             localizedString.SetDataWithLength (length, charBuffer); 684             rc = prefBranch.SetComplexValue (buffer, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, localizedString.getAddress()); 685         } 686         if (localizedString != null) { 687             localizedString.Release (); 688             localizedString = null; 689         } 690 691         /* get Mozilla's current charset preference value */ 692         String prefCharset = null; 693         buffer = MozillaDelegate.wcsToMbcs (null, PREFERENCE_CHARSET, true); 694         rc = prefBranch.GetComplexValue (buffer, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, result); 695         /* 696          * Feature of Debian. For some reason attempting to query for the current charset 697          * preference fails on Debian. The workaround for this is to assume a value of 698          * "ISO-8859-1" since this is typically the default value when mozilla is used 699          * without a profile. 700          */ 701         if (rc != XPCOM.NS_OK) { 702             prefCharset = "ISO-8859-1"; //$NON_NLS-1$ 703 } else { 704             if (result[0] == 0) { 705                 browser.dispose (); 706                 error (XPCOM.NS_NOINTERFACE); 707             } 708             localizedString = new nsIPrefLocalizedString (result[0]); 709             result[0] = 0; 710             rc = localizedString.ToString (result); 711             if (rc != XPCOM.NS_OK) { 712                 browser.dispose (); 713                 error (rc); 714             } 715             if (result[0] == 0) { 716                 browser.dispose (); 717                 error (XPCOM.NS_NOINTERFACE); 718             } 719             int length = XPCOM.strlen_PRUnichar (result[0]); 720             char[] dest = new char[length]; 721             XPCOM.memmove (dest, result[0], length * 2); 722             prefCharset = new String (dest); 723         } 724         result[0] = 0; 725 726         String newCharset = System.getProperty ("file.encoding"); // $NON-NLS-1$ 727 if (!newCharset.equals (prefCharset)) { 728             /* write the new charset value */ 729             int length = newCharset.length (); 730             char[] charBuffer = new char[length + 1]; 731             newCharset.getChars (0, length, charBuffer, 0); 732             if (localizedString == null) { 733                 byte[] contractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_PREFLOCALIZEDSTRING_CONTRACTID, true); 734                 rc = componentManager.CreateInstanceByContractID (contractID, 0, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, result); 735                 if (rc != XPCOM.NS_OK) { 736                     browser.dispose (); 737                     error (rc); 738                 } 739                 if (result[0] == 0) { 740                     browser.dispose (); 741                     error (XPCOM.NS_NOINTERFACE); 742                 } 743                 localizedString = new nsIPrefLocalizedString (result[0]); 744                 result[0] = 0; 745             } 746             localizedString.SetDataWithLength (length, charBuffer); 747             rc = prefBranch.SetComplexValue (buffer, nsIPrefLocalizedString.NS_IPREFLOCALIZEDSTRING_IID, localizedString.getAddress ()); 748         } 749         if (localizedString != null) localizedString.Release (); 750 751         /* 752         * Ensure that windows that are shown during page loads are not blocked. Firefox may 753         * try to block these by default since such windows are often unwelcome, but this 754         * assumption should not be made in the Browser's context. Since the Browser client 755         * is responsible for creating the new Browser and Shell in an OpenWindowListener, 756         * they should decide whether the new window is unwelcome or not and act accordingly. 757         */ 758         buffer = MozillaDelegate.wcsToMbcs (null, PREFERENCE_DISABLEOPENDURINGLOAD, true); 759         rc = prefBranch.SetBoolPref (buffer, 0); 760         if (rc != XPCOM.NS_OK) { 761             browser.dispose (); 762             error (rc); 763         } 764 765         /* Ensure that the status text can be set through means like javascript */ 766         buffer = MozillaDelegate.wcsToMbcs (null, PREFERENCE_DISABLEWINDOWSTATUSCHANGE, true); 767         rc = prefBranch.SetBoolPref (buffer, 0); 768         if (rc != XPCOM.NS_OK) { 769             browser.dispose (); 770             error (rc); 771         } 772 773         prefBranch.Release (); 774 775         PromptServiceFactory factory = new PromptServiceFactory (); 776         factory.AddRef (); 777 778         rc = componentManager.QueryInterface (nsIComponentRegistrar.NS_ICOMPONENTREGISTRAR_IID, result); 779         if (rc != XPCOM.NS_OK) { 780             browser.dispose (); 781             error (rc); 782         } 783         if (result[0] == 0) { 784             browser.dispose (); 785             error (XPCOM.NS_NOINTERFACE); 786         } 787          788         nsIComponentRegistrar componentRegistrar = new nsIComponentRegistrar (result[0]); 789         result[0] = 0; 790         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_PROMPTSERVICE_CONTRACTID, true); 791         byte[] aClassName = MozillaDelegate.wcsToMbcs (null, "Prompt Service", true); //$NON-NLS-1$ 792 rc = componentRegistrar.RegisterFactory (XPCOM.NS_PROMPTSERVICE_CID, aClassName, aContractID, factory.getAddress ()); 793         if (rc != XPCOM.NS_OK) { 794             browser.dispose (); 795             error (rc); 796         } 797         factory.Release (); 798          799         HelperAppLauncherDialogFactory dialogFactory = new HelperAppLauncherDialogFactory (); 800         dialogFactory.AddRef (); 801         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_HELPERAPPLAUNCHERDIALOG_CONTRACTID, true); 802         aClassName = MozillaDelegate.wcsToMbcs (null, "Helper App Launcher Dialog", true); //$NON-NLS-1$ 803 rc = componentRegistrar.RegisterFactory (XPCOM.NS_HELPERAPPLAUNCHERDIALOG_CID, aClassName, aContractID, dialogFactory.getAddress ()); 804         if (rc != XPCOM.NS_OK) { 805             browser.dispose (); 806             error (rc); 807         } 808         dialogFactory.Release (); 809 810         DownloadFactory downloadFactory = new DownloadFactory (); 811         downloadFactory.AddRef (); 812         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_DOWNLOAD_CONTRACTID, true); 813         aClassName = MozillaDelegate.wcsToMbcs (null, "Download", true); //$NON-NLS-1$ 814 rc = componentRegistrar.RegisterFactory (XPCOM.NS_DOWNLOAD_CID, aClassName, aContractID, downloadFactory.getAddress ()); 815         if (rc != XPCOM.NS_OK) { 816             browser.dispose (); 817             error (rc); 818         } 819         downloadFactory.Release (); 820 821         DownloadFactory_1_8 downloadFactory_1_8 = new DownloadFactory_1_8 (); 822         downloadFactory_1_8.AddRef (); 823         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_TRANSFER_CONTRACTID, true); 824         aClassName = MozillaDelegate.wcsToMbcs (null, "Transfer", true); //$NON-NLS-1$ 825 rc = componentRegistrar.RegisterFactory (XPCOM.NS_DOWNLOAD_CID, aClassName, aContractID, downloadFactory_1_8.getAddress ()); 826         if (rc != XPCOM.NS_OK) { 827             browser.dispose (); 828             error (rc); 829         } 830         downloadFactory_1_8.Release (); 831 832         FilePickerFactory pickerFactory = IsXULRunner ? new FilePickerFactory_1_8 () : new FilePickerFactory (); 833         pickerFactory.AddRef (); 834         aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_FILEPICKER_CONTRACTID, true); 835         aClassName = MozillaDelegate.wcsToMbcs (null, "FilePicker", true); //$NON-NLS-1$ 836 rc = componentRegistrar.RegisterFactory (XPCOM.NS_FILEPICKER_CID, aClassName, aContractID, pickerFactory.getAddress ()); 837         if (rc != XPCOM.NS_OK) { 838             browser.dispose (); 839             error (rc); 840         } 841         pickerFactory.Release (); 842 843         componentRegistrar.Release (); 844         componentManager.Release (); 845         Is_1_8 = IsXULRunner; 846         Initialized = true; 847     } 848 849     BrowserCount++; 850     int rc = XPCOM.NS_GetComponentManager (result); 851     if (rc != XPCOM.NS_OK) { 852         browser.dispose (); 853         error (rc); 854     } 855     if (result[0] == 0) { 856         browser.dispose (); 857         error (XPCOM.NS_NOINTERFACE); 858     } 859      860     nsIComponentManager componentManager = new nsIComponentManager (result[0]); 861     result[0] = 0; 862     nsID NS_IWEBBROWSER_CID = new nsID ("F1EAC761-87E9-11d3-AF80-00A024FFC08C"); //$NON-NLS-1$ 863 rc = componentManager.CreateInstance (NS_IWEBBROWSER_CID, 0, nsIWebBrowser.NS_IWEBBROWSER_IID, result); 864     if (rc != XPCOM.NS_OK) { 865         browser.dispose (); 866         error (rc); 867     } 868     if (result[0] == 0) { 869         browser.dispose (); 870         error (XPCOM.NS_NOINTERFACE); 871     } 872     componentManager.Release (); 873      874     webBrowser = new nsIWebBrowser (result[0]); 875     result[0] = 0; 876 877     createCOMInterfaces (); 878     AddRef (); 879 880     if (!Is_1_8) { 881         /* 882         * Check for the availability of frozen interface nsIWebBrowserStream to determine if the 883         * GRE's version is >= 1.8. 884         */ 885         rc = webBrowser.QueryInterface (nsIWebBrowserStream.NS_IWEBBROWSERSTREAM_IID, result); 886         if (rc == XPCOM.NS_OK && result[0] != 0) { 887             Is_1_8 = true; 888             new nsISupports (result[0]).Release (); 889             result[0] = 0; 890         } 891     } 892 893     rc = webBrowser.SetContainerWindow (webBrowserChrome.getAddress()); 894     if (rc != XPCOM.NS_OK) { 895         browser.dispose (); 896         error (rc); 897     } 898              899     rc = webBrowser.QueryInterface (nsIBaseWindow.NS_IBASEWINDOW_IID, result); 900     if (rc != XPCOM.NS_OK) { 901         browser.dispose (); 902         error (rc); 903     } 904     if (result[0] == 0) { 905         browser.dispose (); 906         error (XPCOM.NS_ERROR_NO_INTERFACE); 907     } 908      909     nsIBaseWindow baseWindow = new nsIBaseWindow (result[0]); 910     result[0] = 0; 911     Rectangle rect = browser.getClientArea (); 912     if (rect.isEmpty ()) { 913         rect.width = 1; 914         rect.height = 1; 915     } 916 917     embedHandle = delegate.getHandle (); 918 919     rc = baseWindow.InitWindow (embedHandle, 0, 0, 0, rect.width, rect.height); 920     if (rc != XPCOM.NS_OK) { 921         browser.dispose (); 922         error (XPCOM.NS_ERROR_FAILURE); 923     } 924     rc = baseWindow.Create (); 925     if (rc != XPCOM.NS_OK) { 926         browser.dispose (); 927         error (XPCOM.NS_ERROR_FAILURE); 928     } 929     rc = baseWindow.SetVisibility (true); 930     if (rc != XPCOM.NS_OK) { 931         browser.dispose (); 932         error (XPCOM.NS_ERROR_FAILURE); 933     } 934     baseWindow.Release (); 935 936     rc = webBrowser.AddWebBrowserListener (weakReference.getAddress (), nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID); 937     if (rc != XPCOM.NS_OK) { 938         browser.dispose (); 939         error (rc); 940     } 941 942     rc = webBrowser.SetParentURIContentListener (uriContentListener.getAddress ()); 943     if (rc != XPCOM.NS_OK) { 944         browser.dispose (); 945         error (rc); 946     } 947 948     delegate.init (); 949 950     listener = new Listener () { 951         public void handleEvent (Event event) { 952             switch (event.type) { 953                 case SWT.Dispose: { 954                     /* make this handler run after other dispose listeners */ 955                     if (ignoreDispose) { 956                         ignoreDispose = false; 957                         break; 958                     } 959                     ignoreDispose = true; 960                     browser.notifyListeners (event.type, event); 961                     event.type = SWT.NONE; 962                     onDispose (event.display); 963                     break; 964                 } 965                 case SWT.Resize: onResize (); break; 966                 case SWT.FocusIn: Activate (); break; 967                 case SWT.Activate: Activate (); break; 968                 case SWT.Deactivate: { 969                     Display display = event.display; 970                     if (Mozilla.this.browser == display.getFocusControl ()) Deactivate (); 971                     break; 972                 } 973                 case SWT.Show: { 974                     /* 975                     * Feature in GTK Mozilla. Mozilla does not show up when 976                     * its container (a GTK fixed handle) is made visible 977                     * after having been hidden. The workaround is to reset 978                     * its size after the container has been made visible. 979                     */ 980                     Display display = event.display; 981                     display.asyncExec(new Runnable () { 982                         public void run() { 983                             if (browser.isDisposed ()) return; 984                             onResize (); 985                         } 986                     }); 987                     break; 988                 } 989             } 990         } 991     }; 992     int[] folderEvents = new int[] { 993         SWT.Dispose, 994         SWT.Resize, 995         SWT.FocusIn, 996         SWT.Activate, 997         SWT.Deactivate, 998         SWT.Show, 999         SWT.KeyDown // needed to make browser traversable 1000 }; 1001    for (int i = 0; i < folderEvents.length; i++) { 1002        browser.addListener (folderEvents[i], listener); 1003    } 1004} 1005 1006public boolean back () { 1007    int /*long*/[] result = new int /*long*/[1]; 1008    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1009    if (rc != XPCOM.NS_OK) error (rc); 1010    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1011     1012    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1013    rc = webNavigation.GoBack (); 1014    webNavigation.Release (); 1015    return rc == XPCOM.NS_OK; 1016} 1017 1018void createCOMInterfaces () { 1019    // Create each of the interfaces that this object implements 1020 supports = new XPCOMObject (new int[] {2, 0, 0}) { 1021        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1022        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1023        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1024    }; 1025     1026    weakReference = new XPCOMObject (new int[] {2, 0, 0, 2}) { 1027        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1028        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1029        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1030        public int /*long*/ method3 (int /*long*/[] args) {return QueryReferent (args[0], args[1]);} 1031    }; 1032 1033    webProgressListener = new XPCOMObject (new int[] {2, 0, 0, 4, 6, 3, 4, 3}) { 1034        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1035        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1036        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1037        public int /*long*/ method3 (int /*long*/[] args) {return OnStateChange (args[0], args[1], args[2],args[3]);} 1038        public int /*long*/ method4 (int /*long*/[] args) {return OnProgressChange (args[0], args[1], args[2], args[3], args[4], args[5]);} 1039        public int /*long*/ method5 (int /*long*/[] args) {return OnLocationChange (args[0], args[1], args[2]);} 1040        public int /*long*/ method6 (int /*long*/[] args) {return OnStatusChange (args[0], args[1], args[2], args[3]);} 1041        public int /*long*/ method7 (int /*long*/[] args) {return OnSecurityChange (args[0], args[1], args[2]);} 1042    }; 1043     1044    webBrowserChrome = new XPCOMObject (new int[] {2, 0, 0, 2, 1, 1, 1, 1, 0, 2, 0, 1, 1}) { 1045        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1046        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1047        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1048        public int /*long*/ method3 (int /*long*/[] args) {return SetStatus (args[0], args[1]);} 1049        public int /*long*/ method4 (int /*long*/[] args) {return GetWebBrowser (args[0]);} 1050        public int /*long*/ method5 (int /*long*/[] args) {return SetWebBrowser (args[0]);} 1051        public int /*long*/ method6 (int /*long*/[] args) {return GetChromeFlags (args[0]);} 1052        public int /*long*/ method7 (int /*long*/[] args) {return SetChromeFlags (args[0]);} 1053        public int /*long*/ method8 (int /*long*/[] args) {return DestroyBrowserWindow ();} 1054        public int /*long*/ method9 (int /*long*/[] args) {return SizeBrowserTo (args[0], args[1]);} 1055        public int /*long*/ method10 (int /*long*/[] args) {return ShowAsModal ();} 1056        public int /*long*/ method11 (int /*long*/[] args) {return IsWindowModal (args[0]);} 1057        public int /*long*/ method12 (int /*long*/[] args) {return ExitModalEventLoop (args[0]);} 1058    }; 1059     1060    webBrowserChromeFocus = new XPCOMObject (new int[] {2, 0, 0, 0, 0}) { 1061        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1062        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1063        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1064        public int /*long*/ method3 (int /*long*/[] args) {return FocusNextElement ();} 1065        public int /*long*/ method4 (int /*long*/[] args) {return FocusPrevElement ();} 1066    }; 1067         1068    embeddingSiteWindow = new XPCOMObject (new int[] {2, 0, 0, 5, 5, 0, 1, 1, 1, 1, 1}) { 1069        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1070        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1071        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1072        public int /*long*/ method3 (int /*long*/[] args) {return SetDimensions (args[0], args[1], args[2], args[3], args[4]);} 1073        public int /*long*/ method4 (int /*long*/[] args) {return GetDimensions (args[0], args[1], args[2], args[3], args[4]);} 1074        public int /*long*/ method5 (int /*long*/[] args) {return SetFocus ();} 1075        public int /*long*/ method6 (int /*long*/[] args) {return GetVisibility (args[0]);} 1076        public int /*long*/ method7 (int /*long*/[] args) {return SetVisibility (args[0]);} 1077        public int /*long*/ method8 (int /*long*/[] args) {return GetTitle (args[0]);} 1078        public int /*long*/ method9 (int /*long*/[] args) {return SetTitle (args[0]);} 1079        public int /*long*/ method10 (int /*long*/[] args) {return GetSiteWindow (args[0]);} 1080    }; 1081     1082    interfaceRequestor = new XPCOMObject (new int[] {2, 0, 0, 2} ){ 1083        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1084        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1085        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1086        public int /*long*/ method3 (int /*long*/[] args) {return GetInterface (args[0], args[1]);} 1087    }; 1088         1089    supportsWeakReference = new XPCOMObject (new int[] {2, 0, 0, 1}) { 1090        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1091        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1092        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1093        public int /*long*/ method3 (int /*long*/[] args) {return GetWeakReference (args[0]);} 1094    }; 1095     1096    contextMenuListener = new XPCOMObject (new int[] {2, 0, 0, 3}) { 1097        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1098        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1099        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1100        public int /*long*/ method3 (int /*long*/[] args) {return OnShowContextMenu (args[0],args[1],args[2]);} 1101    }; 1102     1103    uriContentListener = new XPCOMObject (new int[] {2, 0, 0, 2, 5, 3, 4, 1, 1, 1, 1}) { 1104        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1105        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1106        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1107        public int /*long*/ method3 (int /*long*/[] args) {return OnStartURIOpen (args[0], args[1]);} 1108        public int /*long*/ method4 (int /*long*/[] args) {return DoContent (args[0], args[1], args[2], args[3], args[4]);} 1109        public int /*long*/ method5 (int /*long*/[] args) {return IsPreferred (args[0], args[1], args[2]);} 1110        public int /*long*/ method6 (int /*long*/[] args) {return CanHandleContent (args[0], args[1], args[2], args[3]);} 1111        public int /*long*/ method7 (int /*long*/[] args) {return GetLoadCookie (args[0]);} 1112        public int /*long*/ method8 (int /*long*/[] args) {return SetLoadCookie (args[0]);} 1113        public int /*long*/ method9 (int /*long*/[] args) {return GetParentContentListener (args[0]);} 1114        public int /*long*/ method10 (int /*long*/[] args) {return SetParentContentListener (args[0]);} 1115    }; 1116     1117    tooltipListener = new XPCOMObject (new int[] {2, 0, 0, 3, 0}) { 1118        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1119        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1120        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1121        public int /*long*/ method3 (int /*long*/[] args) {return OnShowTooltip (args[0], args[1], args[2]);} 1122        public int /*long*/ method4 (int /*long*/[] args) {return OnHideTooltip ();} 1123    }; 1124 1125    domEventListener = new XPCOMObject (new int[] {2, 0, 0, 1}) { 1126        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} 1127        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} 1128        public int /*long*/ method2 (int /*long*/[] args) {return Release ();} 1129        public int /*long*/ method3 (int /*long*/[] args) {return HandleEvent (args[0]);} 1130    }; 1131} 1132 1133void disposeCOMInterfaces () { 1134    if (supports != null) { 1135        supports.dispose (); 1136        supports = null; 1137    } 1138    if (weakReference != null) { 1139        weakReference.dispose (); 1140        weakReference = null; 1141    } 1142    if (webProgressListener != null) { 1143        webProgressListener.dispose (); 1144        webProgressListener = null; 1145    } 1146    if (webBrowserChrome != null) { 1147        webBrowserChrome.dispose (); 1148        webBrowserChrome = null; 1149    } 1150    if (webBrowserChromeFocus != null) { 1151        webBrowserChromeFocus.dispose (); 1152        webBrowserChromeFocus = null; 1153    } 1154    if (embeddingSiteWindow != null) { 1155        embeddingSiteWindow.dispose (); 1156        embeddingSiteWindow = null; 1157    } 1158    if (interfaceRequestor != null) { 1159        interfaceRequestor.dispose (); 1160        interfaceRequestor = null; 1161    } 1162    if (supportsWeakReference != null) { 1163        supportsWeakReference.dispose (); 1164        supportsWeakReference = null; 1165    } 1166    if (contextMenuListener != null) { 1167        contextMenuListener.dispose (); 1168        contextMenuListener = null; 1169    } 1170    if (uriContentListener != null) { 1171        uriContentListener.dispose (); 1172        uriContentListener = null; 1173    } 1174    if (tooltipListener != null) { 1175        tooltipListener.dispose (); 1176        tooltipListener = null; 1177    } 1178} 1179 1180public boolean execute (String script) { 1181    String url = "javascript:" + script + ";void(0);"; //$NON-NLS-1$ //$NON-NLS-2$ 1182 int /*long*/[] result = new int /*long*/[1]; 1183    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1184    if (rc != XPCOM.NS_OK) error (rc); 1185    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1186 1187    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1188    char[] arg = url.toCharArray (); 1189    char[] c = new char[arg.length+1]; 1190    System.arraycopy (arg, 0, c, 0, arg.length); 1191    rc = webNavigation.LoadURI (c, nsIWebNavigation.LOAD_FLAGS_NONE, 0, 0, 0); 1192    webNavigation.Release (); 1193    return rc == XPCOM.NS_OK; 1194} 1195 1196static Browser findBrowser (int /*long*/ handle) { 1197    return MozillaDelegate.findBrowser (handle); 1198} 1199 1200public boolean forward () { 1201    int /*long*/[] result = new int /*long*/[1]; 1202    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1203    if (rc != XPCOM.NS_OK) error (rc); 1204    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1205     1206    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1207    rc = webNavigation.GoForward (); 1208    webNavigation.Release (); 1209 1210    return rc == XPCOM.NS_OK; 1211} 1212 1213public String getUrl () { 1214    int /*long*/[] result = new int /*long*/[1]; 1215    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1216    if (rc != XPCOM.NS_OK) error (rc); 1217    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1218 1219    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1220    int /*long*/[] aCurrentURI = new int /*long*/[1]; 1221    rc = webNavigation.GetCurrentURI (aCurrentURI); 1222    if (rc != XPCOM.NS_OK) error (rc); 1223    webNavigation.Release (); 1224 1225    byte[] dest = null; 1226    if (aCurrentURI[0] != 0) { 1227        nsIURI uri = new nsIURI (aCurrentURI[0]); 1228        int /*long*/ aSpec = XPCOM.nsEmbedCString_new (); 1229        rc = uri.GetSpec (aSpec); 1230        if (rc != XPCOM.NS_OK) error (rc); 1231        int length = XPCOM.nsEmbedCString_Length (aSpec); 1232        int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec); 1233        dest = new byte[length]; 1234        XPCOM.memmove (dest, buffer, length); 1235        XPCOM.nsEmbedCString_delete (aSpec); 1236        uri.Release (); 1237    } 1238    if (dest == null) return ""; //$NON-NLS-1$ 1239 1240    String location = new String (dest); 1241    /* 1242     * If the URI indicates that the page is being rendered from memory 1243     * (via setText()) then set it to about:blank to be consistent with IE. 1244     */ 1245    if (location.equals (URI_FROMMEMORY)) location = ABOUT_BLANK; 1246    return location; 1247} 1248 1249public Object getWebBrowser () { 1250    if ((browser.getStyle () & SWT.MOZILLA) == 0) return null; 1251    if (webBrowserObject != null) return webBrowserObject; 1252 1253    try { 1254        Class clazz = Class.forName ("org.mozilla.xpcom.Mozilla"); //$NON-NLS-1$ 1255 Method method = clazz.getMethod ("getInstance", new Class [0]); //$NON-NLS-1$ 1256 Object mozilla = method.invoke (null, new Object [0]); 1257        method = clazz.getMethod ("wrapXPCOMObject", new Class [] {Long.TYPE, String .class}); //$NON-NLS-1$ 1258 webBrowserObject = method.invoke (mozilla, new Object [] {new Long (webBrowser.getAddress ()), nsIWebBrowser.NS_IWEBBROWSER_IID_STR}); 1259        return webBrowserObject; 1260    } catch (ClassNotFoundException e) { 1261    } catch (NoSuchMethodException e) { 1262    } catch (IllegalArgumentException e) { 1263    } catch (IllegalAccessException e) { 1264    } catch (InvocationTargetException e) { 1265    } 1266    return null; 1267} 1268 1269public boolean isBackEnabled () { 1270    int /*long*/[] result = new int /*long*/[1]; 1271    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1272    if (rc != XPCOM.NS_OK) error (rc); 1273    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1274     1275    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1276    boolean[] aCanGoBack = new boolean[1]; 1277    rc = webNavigation.GetCanGoBack (aCanGoBack); 1278    webNavigation.Release (); 1279    return aCanGoBack[0]; 1280} 1281 1282public boolean isForwardEnabled () { 1283    int /*long*/[] result = new int /*long*/[1]; 1284    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1285    if (rc != XPCOM.NS_OK) error (rc); 1286    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1287     1288    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1289    boolean[] aCanGoForward = new boolean[1]; 1290    rc = webNavigation.GetCanGoForward (aCanGoForward); 1291    webNavigation.Release (); 1292    return aCanGoForward[0]; 1293} 1294 1295static String error (int code) { 1296    throw new SWTError ("XPCOM error " + code); //$NON-NLS-1$ 1297} 1298 1299void onDispose (Display display) { 1300    int rc = webBrowser.RemoveWebBrowserListener (weakReference.getAddress (), nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID); 1301    if (rc != XPCOM.NS_OK) error (rc); 1302 1303    rc = webBrowser.SetParentURIContentListener (0); 1304    if (rc != XPCOM.NS_OK) error (rc); 1305     1306    unhookDOMListeners (); 1307    if (listener != null) { 1308        int[] folderEvents = new int[] { 1309            SWT.Dispose, 1310            SWT.Resize, 1311            SWT.FocusIn, 1312            SWT.Activate, 1313            SWT.Deactivate, 1314            SWT.Show, 1315            SWT.KeyDown, 1316        }; 1317        for (int i = 0; i < folderEvents.length; i++) { 1318            browser.removeListener (folderEvents[i], listener); 1319        } 1320        listener = null; 1321    } 1322 1323    int /*long*/[] result = new int /*long*/[1]; 1324    rc = webBrowser.QueryInterface (nsIBaseWindow.NS_IBASEWINDOW_IID, result); 1325    if (rc != XPCOM.NS_OK) error (rc); 1326    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1327 1328    nsIBaseWindow baseWindow = new nsIBaseWindow (result[0]); 1329    rc = baseWindow.Destroy (); 1330    if (rc != XPCOM.NS_OK) error (rc); 1331    baseWindow.Release (); 1332 1333    Release (); 1334    webBrowser.Release (); 1335    webBrowser = null; 1336    webBrowserObject = null; 1337 1338    if (tip != null && !tip.isDisposed ()) tip.dispose (); 1339    tip = null; 1340    location = size = null; 1341    htmlBytes = null; 1342 1343    Enumeration elements = unhookedDOMWindows.elements (); 1344    while (elements.hasMoreElements ()) { 1345        LONG ptrObject = (LONG)elements.nextElement (); 1346        new nsISupports (ptrObject.value).Release (); 1347    } 1348    unhookedDOMWindows = null; 1349 1350    delegate.onDispose (embedHandle); 1351    delegate = null; 1352 1353    embedHandle = 0; 1354    BrowserCount--; 1355} 1356 1357void Activate () { 1358    int /*long*/[] result = new int /*long*/[1]; 1359    int rc = webBrowser.QueryInterface (nsIWebBrowserFocus.NS_IWEBBROWSERFOCUS_IID, result); 1360    if (rc != XPCOM.NS_OK) error (rc); 1361    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1362     1363    nsIWebBrowserFocus webBrowserFocus = new nsIWebBrowserFocus (result[0]); 1364    rc = webBrowserFocus.Activate (); 1365    if (rc != XPCOM.NS_OK) error (rc); 1366    webBrowserFocus.Release (); 1367} 1368     1369void Deactivate () { 1370    int /*long*/[] result = new int /*long*/[1]; 1371    int rc = webBrowser.QueryInterface (nsIWebBrowserFocus.NS_IWEBBROWSERFOCUS_IID, result); 1372    if (rc != XPCOM.NS_OK) error (rc); 1373    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1374     1375    nsIWebBrowserFocus webBrowserFocus = new nsIWebBrowserFocus (result[0]); 1376    rc = webBrowserFocus.Deactivate (); 1377    if (rc != XPCOM.NS_OK) error (rc); 1378    webBrowserFocus.Release (); 1379} 1380 1381void onResize () { 1382    Rectangle rect = browser.getClientArea (); 1383    int width = Math.max (1, rect.width); 1384    int height = Math.max (1, rect.height); 1385 1386    int /*long*/[] result = new int /*long*/[1]; 1387    int rc = webBrowser.QueryInterface (nsIBaseWindow.NS_IBASEWINDOW_IID, result); 1388    if (rc != XPCOM.NS_OK) error (rc); 1389    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1390 1391    delegate.setSize (embedHandle, width, height); 1392    nsIBaseWindow baseWindow = new nsIBaseWindow (result[0]); 1393    rc = baseWindow.SetPositionAndSize (0, 0, width, height, true); 1394    if (rc != XPCOM.NS_OK) error (rc); 1395    baseWindow.Release (); 1396} 1397 1398public void refresh () { 1399    int /*long*/[] result = new int /*long*/[1]; 1400    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1401    if (rc != XPCOM.NS_OK) error(rc); 1402    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1403     1404    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1405    rc = webNavigation.Reload (nsIWebNavigation.LOAD_FLAGS_NONE); 1406    webNavigation.Release (); 1407    if (rc == XPCOM.NS_OK) return; 1408    /* 1409    * Feature in Mozilla. Reload returns an error code NS_ERROR_INVALID_POINTER 1410    * when it is called immediately after a request to load a new document using 1411    * LoadURI. The workaround is to ignore this error code. 1412    * 1413    * Feature in Mozilla. Attempting to reload a file that no longer exists 1414    * returns an error code of NS_ERROR_FILE_NOT_FOUND. This is equivalent to 1415    * attempting to load a non-existent local url, which is not a Browser error, 1416    * so this error code should be ignored. 1417    */ 1418    if (rc != XPCOM.NS_ERROR_INVALID_POINTER && rc != XPCOM.NS_ERROR_FILE_NOT_FOUND) error (rc); 1419} 1420 1421public boolean setText (String html) { 1422    /* 1423    * Feature in Mozilla. The focus memory of Mozilla must be 1424    * properly managed through the nsIWebBrowserFocus interface. 1425    * In particular, nsIWebBrowserFocus.deactivate must be called 1426    * when the focus moves from the browser (or one of its children 1427    * managed by Mozilla to another widget. We currently do not 1428    * get notified when a widget takes focus away from the Browser. 1429    * As a result, deactivate is not properly called. This causes 1430    * Mozilla to retake focus the next time a document is loaded. 1431    * This breaks the case where the HTML loaded in the Browser 1432    * varies while the user enters characters in a text widget. The text 1433    * widget loses focus every time new content is loaded. 1434    * The current workaround is to call deactivate everytime if 1435    * the browser currently does not have focus. A better workaround 1436    * would be to have a way to call deactivate when the Browser 1437    * or one of its children loses focus. 1438    */ 1439    if (browser != browser.getDisplay ().getFocusControl ()) Deactivate (); 1440     1441    /* convert the String containing HTML to an array of bytes with UTF-8 data */ 1442    byte[] data = null; 1443    try { 1444        data = html.getBytes ("UTF-8"); //$NON-NLS-1$ 1445 } catch (UnsupportedEncodingException e) { 1446        return false; 1447    } 1448 1449    /* 1450    * If the GRE version is >= 1.8 then use frozen interface nsIWebBrowserStream. 1451    * If this interface is not available then use the pre-1.8 approach of utilizing 1452    * nsIDocShell instead. 1453    */ 1454    if (Is_1_8) { 1455        /* 1456        * Feature of nsIWebBrowserStream. Setting the browser's content directly through 1457        * its nsIWebBrowserStream does not cause a page change to occur, and therefore the 1458        * events that typically signal a page change are not fired. To make this behave 1459        * as expected, navigate to about:blank first, and then set the html content once 1460        * the page has loaded. 1461        */ 1462 1463        /* 1464        * If the htmlBytes field is non-null then the about:blank page is already being 1465        * loaded, so no Navigate is required. Just set the html that is to be shown. 1466        */ 1467        boolean blankLoading = htmlBytes != null; 1468        htmlBytes = data; 1469        if (blankLoading) return true; 1470 1471        /* navigate to about:blank */ 1472        int /*long*/[] result = new int /*long*/[1]; 1473        int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1474        if (rc != XPCOM.NS_OK) error (rc); 1475        if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1476        nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1477        result[0] = 0; 1478        char[] uri = new char[ABOUT_BLANK.length () + 1]; 1479        ABOUT_BLANK.getChars (0, ABOUT_BLANK.length (), uri, 0); 1480        rc = webNavigation.LoadURI (uri, nsIWebNavigation.LOAD_FLAGS_NONE, 0, 0, 0); 1481        if (rc != XPCOM.NS_OK) error (rc); 1482        webNavigation.Release (); 1483    } else { 1484        byte[] contentTypeBuffer = MozillaDelegate.wcsToMbcs (null, "text/html", true); // $NON-NLS-1$ 1485 int /*long*/ aContentType = XPCOM.nsEmbedCString_new (contentTypeBuffer, contentTypeBuffer.length); 1486        byte[] contentCharsetBuffer = MozillaDelegate.wcsToMbcs (null, "UTF-8", true); //$NON-NLS-1$ 1487 int /*long*/ aContentCharset = XPCOM.nsEmbedCString_new (contentCharsetBuffer, contentCharsetBuffer.length); 1488 1489        int /*long*/[] result = new int /*long*/[1]; 1490        int rc = XPCOM.NS_GetServiceManager (result); 1491        if (rc != XPCOM.NS_OK) error (rc); 1492        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1493 1494        nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 1495        result[0] = 0; 1496        rc = serviceManager.GetService (XPCOM.NS_IOSERVICE_CID, nsIIOService.NS_IIOSERVICE_IID, result); 1497        if (rc != XPCOM.NS_OK) error (rc); 1498        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1499        serviceManager.Release (); 1500 1501        nsIIOService ioService = new nsIIOService (result[0]); 1502        result[0] = 0; 1503        /* 1504        * Note. Mozilla ignores LINK tags used to load CSS stylesheets 1505        * when the URI protocol for the nsInputStreamChannel 1506        * is about:blank. The fix is to specify the file protocol. 1507        */ 1508        byte[] aString = MozillaDelegate.wcsToMbcs (null, URI_FROMMEMORY, false); 1509        int /*long*/ aSpec = XPCOM.nsEmbedCString_new (aString, aString.length); 1510        rc = ioService.NewURI (aSpec, null, 0, result); 1511        if (rc != XPCOM.NS_OK) error (rc); 1512        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1513        XPCOM.nsEmbedCString_delete (aSpec); 1514        ioService.Release (); 1515         1516        nsIURI uri = new nsIURI (result[0]); 1517        result[0] = 0; 1518 1519        rc = webBrowser.QueryInterface (nsIInterfaceRequestor.NS_IINTERFACEREQUESTOR_IID, result); 1520        if (rc != XPCOM.NS_OK) error (rc); 1521        if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1522 1523        nsIInterfaceRequestor interfaceRequestor = new nsIInterfaceRequestor (result[0]); 1524        result[0] = 0; 1525        rc = interfaceRequestor.GetInterface (nsIDocShell.NS_IDOCSHELL_IID, result); 1526        if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1527        interfaceRequestor.Release (); 1528 1529        nsIDocShell docShell = new nsIDocShell (result[0]); 1530        result[0] = 0; 1531 1532        /* 1533        * Feature in Mozilla. LoadStream invokes the nsIInputStream argument 1534        * through a different thread. The callback mechanism must attach 1535        * a non java thread to the JVM otherwise the nsIInputStream Read and 1536        * Close methods never get called. 1537        */ 1538        InputStream inputStream = new InputStream (data); 1539        inputStream.AddRef (); 1540        rc = docShell.LoadStream (inputStream.getAddress (), uri.getAddress (), aContentType, aContentCharset, 0); 1541        if (rc != XPCOM.NS_OK) error (rc); 1542        inputStream.Release (); 1543        docShell.Release (); 1544        uri.Release (); 1545        XPCOM.nsEmbedCString_delete (aContentCharset); 1546        XPCOM.nsEmbedCString_delete (aContentType); 1547    } 1548 1549    return true; 1550} 1551 1552public boolean setUrl (String url) { 1553    htmlBytes = null; 1554 1555    int /*long*/[] result = new int /*long*/[1]; 1556    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1557    if (rc != XPCOM.NS_OK) error (rc); 1558    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1559 1560    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1561    char[] uri = new char[url.length () + 1]; 1562    url.getChars (0, url.length (), uri, 0); 1563    rc = webNavigation.LoadURI (uri, nsIWebNavigation.LOAD_FLAGS_NONE, 0, 0, 0); 1564    webNavigation.Release (); 1565    return rc == XPCOM.NS_OK; 1566} 1567 1568public void stop () { 1569    int /*long*/[] result = new int /*long*/[1]; 1570    int rc = webBrowser.QueryInterface (nsIWebNavigation.NS_IWEBNAVIGATION_IID, result); 1571    if (rc != XPCOM.NS_OK) error (rc); 1572    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1573     1574    nsIWebNavigation webNavigation = new nsIWebNavigation (result[0]); 1575    rc = webNavigation.Stop (nsIWebNavigation.STOP_ALL); 1576    if (rc != XPCOM.NS_OK) error (rc); 1577    webNavigation.Release (); 1578} 1579 1580void hookDOMListeners () { 1581    int /*long*/[] result = new int /*long*/[1]; 1582    int rc = webBrowser.GetContentDOMWindow (result); 1583    if (rc != XPCOM.NS_OK) error (rc); 1584    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1585 1586    nsIDOMWindow window = new nsIDOMWindow (result[0]); 1587    result[0] = 0; 1588    rc = window.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 1589    if (rc != XPCOM.NS_OK) error (rc); 1590    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1591 1592    nsIDOMEventTarget target = new nsIDOMEventTarget (result[0]); 1593    result[0] = 0; 1594    hookDOMListeners (target, true); 1595    target.Release (); 1596 1597    /* Listeners must be hooked in pages contained in frames */ 1598    rc = window.GetFrames (result); 1599    if (rc != XPCOM.NS_OK) error (rc); 1600    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1601    nsIDOMWindowCollection frames = new nsIDOMWindowCollection (result[0]); 1602    result[0] = 0; 1603    int[] frameCount = new int[1]; 1604    rc = frames.GetLength (frameCount); /* PRUint32 */ 1605    if (rc != XPCOM.NS_OK) error (rc); 1606    int count = frameCount[0]; 1607 1608    if (count > 0) { 1609        for (int i = 0; i < count; i++) { 1610            rc = frames.Item (i, result); 1611            if (rc != XPCOM.NS_OK) error (rc); 1612            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1613 1614            nsIDOMWindow frame = new nsIDOMWindow (result[0]); 1615            result[0] = 0; 1616            rc = frame.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 1617            if (rc != XPCOM.NS_OK) error (rc); 1618            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1619 1620            target = new nsIDOMEventTarget (result[0]); 1621            result[0] = 0; 1622            hookDOMListeners (target, false); 1623            target.Release (); 1624            frame.Release (); 1625        } 1626    } 1627    frames.Release (); 1628    window.Release (); 1629} 1630 1631void hookDOMListeners (nsIDOMEventTarget target, boolean isTop) { 1632    nsEmbedString string = new nsEmbedString (XPCOM.DOMEVENT_FOCUS); 1633    int rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1634    if (rc != XPCOM.NS_OK) error (rc); 1635    string.dispose (); 1636    string = new nsEmbedString (XPCOM.DOMEVENT_UNLOAD); 1637    rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1638    if (rc != XPCOM.NS_OK) error (rc); 1639    string.dispose (); 1640    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEDOWN); 1641    rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1642    if (rc != XPCOM.NS_OK) error (rc); 1643    string.dispose (); 1644    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEUP); 1645    rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1646    if (rc != XPCOM.NS_OK) error (rc); 1647    string.dispose (); 1648    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEMOVE); 1649    rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1650    if (rc != XPCOM.NS_OK) error (rc); 1651    string.dispose (); 1652 1653    /* 1654    * Only hook mouseover and mouseout if the target is a top-level frame, so that mouse moves 1655    * between frames will not generate events. 1656    */ 1657    if (isTop && delegate.hookEnterExit ()) { 1658        string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEOVER); 1659        rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1660        if (rc != XPCOM.NS_OK) error (rc); 1661        string.dispose (); 1662        string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEOUT); 1663        rc = target.AddEventListener (string.getAddress (), domEventListener.getAddress (), false); 1664        if (rc != XPCOM.NS_OK) error (rc); 1665        string.dispose (); 1666    } 1667} 1668 1669void unhookDOMListeners () { 1670    int /*long*/[] result = new int /*long*/[1]; 1671    int rc = webBrowser.GetContentDOMWindow (result); 1672    if (rc != XPCOM.NS_OK) error (rc); 1673    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1674 1675    nsIDOMWindow window = new nsIDOMWindow (result[0]); 1676    result[0] = 0; 1677    rc = window.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 1678    if (rc != XPCOM.NS_OK) error (rc); 1679    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1680 1681    nsIDOMEventTarget target = new nsIDOMEventTarget (result[0]); 1682    result[0] = 0; 1683    unhookDOMListeners (target); 1684    target.Release (); 1685 1686    /* Listeners must be unhooked in pages contained in frames */ 1687    rc = window.GetFrames (result); 1688    if (rc != XPCOM.NS_OK) error (rc); 1689    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1690    nsIDOMWindowCollection frames = new nsIDOMWindowCollection (result[0]); 1691    result[0] = 0; 1692    int[] frameCount = new int[1]; 1693    rc = frames.GetLength (frameCount); /* PRUint32 */ 1694    if (rc != XPCOM.NS_OK) error (rc); 1695    int count = frameCount[0]; 1696 1697    if (count > 0) { 1698        for (int i = 0; i < count; i++) { 1699            rc = frames.Item (i, result); 1700            if (rc != XPCOM.NS_OK) error (rc); 1701            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1702 1703            nsIDOMWindow frame = new nsIDOMWindow (result[0]); 1704            result[0] = 0; 1705            rc = frame.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 1706            if (rc != XPCOM.NS_OK) error (rc); 1707            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1708 1709            target = new nsIDOMEventTarget (result[0]); 1710            result[0] = 0; 1711            unhookDOMListeners (target); 1712            target.Release (); 1713            frame.Release (); 1714        } 1715    } 1716    frames.Release (); 1717    window.Release (); 1718} 1719 1720void unhookDOMListeners (nsIDOMEventTarget target) { 1721    nsEmbedString string = new nsEmbedString (XPCOM.DOMEVENT_FOCUS); 1722    int rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1723    string.dispose (); 1724    if (rc != XPCOM.NS_OK) return; /* listeners not hooked */ 1725    string = new nsEmbedString (XPCOM.DOMEVENT_UNLOAD); 1726    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1727    if (rc != XPCOM.NS_OK) error (rc); 1728    string.dispose (); 1729    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEDOWN); 1730    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1731    if (rc != XPCOM.NS_OK) error (rc); 1732    string.dispose (); 1733    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEUP); 1734    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1735    if (rc != XPCOM.NS_OK) error (rc); 1736    string.dispose (); 1737    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEMOVE); 1738    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1739    if (rc != XPCOM.NS_OK) error (rc); 1740    string.dispose (); 1741    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEOVER); 1742    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1743    string.dispose (); 1744    string = new nsEmbedString (XPCOM.DOMEVENT_MOUSEOUT); 1745    rc = target.RemoveEventListener (string.getAddress (), domEventListener.getAddress (), false); 1746    string.dispose (); 1747} 1748 1749/* nsISupports */ 1750 1751int /*long*/ QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) { 1752    if (riid == 0 || ppvObject == 0) return XPCOM.NS_ERROR_NO_INTERFACE; 1753 1754    nsID guid = new nsID (); 1755    XPCOM.memmove (guid, riid, nsID.sizeof); 1756 1757    if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) { 1758        XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF); 1759        AddRef (); 1760        return XPCOM.NS_OK; 1761    } 1762    if (guid.Equals (nsIWeakReference.NS_IWEAKREFERENCE_IID)) { 1763        XPCOM.memmove (ppvObject, new int /*long*/[] {weakReference.getAddress ()}, C.PTR_SIZEOF); 1764        AddRef (); 1765        return XPCOM.NS_OK; 1766    } 1767    if (guid.Equals (nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID)) { 1768        XPCOM.memmove (ppvObject, new int /*long*/[] {webProgressListener.getAddress ()}, C.PTR_SIZEOF); 1769        AddRef (); 1770        return XPCOM.NS_OK; 1771    } 1772    if (guid.Equals (nsIWebBrowserChrome.NS_IWEBBROWSERCHROME_IID)) { 1773        XPCOM.memmove (ppvObject, new int /*long*/[] {webBrowserChrome.getAddress ()}, C.PTR_SIZEOF); 1774        AddRef (); 1775        return XPCOM.NS_OK; 1776    } 1777    if (guid.Equals (nsIWebBrowserChromeFocus.NS_IWEBBROWSERCHROMEFOCUS_IID)) { 1778        XPCOM.memmove (ppvObject, new int /*long*/[] {webBrowserChromeFocus.getAddress ()}, C.PTR_SIZEOF); 1779        AddRef (); 1780        return XPCOM.NS_OK; 1781    } 1782    if (guid.Equals (nsIEmbeddingSiteWindow.NS_IEMBEDDINGSITEWINDOW_IID)) { 1783        XPCOM.memmove (ppvObject, new int /*long*/[] {embeddingSiteWindow.getAddress ()}, C.PTR_SIZEOF); 1784        AddRef (); 1785        return XPCOM.NS_OK; 1786    } 1787    if (guid.Equals (nsIInterfaceRequestor.NS_IINTERFACEREQUESTOR_IID)) { 1788        XPCOM.memmove (ppvObject, new int /*long*/[] {interfaceRequestor.getAddress ()}, C.PTR_SIZEOF); 1789        AddRef (); 1790        return XPCOM.NS_OK; 1791    } 1792    if (guid.Equals (nsISupportsWeakReference.NS_ISUPPORTSWEAKREFERENCE_IID)) { 1793        XPCOM.memmove (ppvObject, new int /*long*/[] {supportsWeakReference.getAddress ()}, C.PTR_SIZEOF); 1794        AddRef (); 1795        return XPCOM.NS_OK; 1796    } 1797    if (guid.Equals (nsIContextMenuListener.NS_ICONTEXTMENULISTENER_IID)) { 1798        XPCOM.memmove (ppvObject, new int /*long*/[] {contextMenuListener.getAddress ()}, C.PTR_SIZEOF); 1799        AddRef (); 1800        return XPCOM.NS_OK; 1801    } 1802    if (guid.Equals (nsIURIContentListener.NS_IURICONTENTLISTENER_IID)) { 1803        XPCOM.memmove (ppvObject, new int /*long*/[] {uriContentListener.getAddress ()}, C.PTR_SIZEOF); 1804        AddRef (); 1805        return XPCOM.NS_OK; 1806    } 1807    if (guid.Equals (nsITooltipListener.NS_ITOOLTIPLISTENER_IID)) { 1808        XPCOM.memmove (ppvObject, new int /*long*/[] {tooltipListener.getAddress ()}, C.PTR_SIZEOF); 1809        AddRef (); 1810        return XPCOM.NS_OK; 1811    } 1812    XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF); 1813    return XPCOM.NS_ERROR_NO_INTERFACE; 1814} 1815 1816int /*long*/ AddRef () { 1817    refCount++; 1818    return refCount; 1819} 1820 1821int /*long*/ Release () { 1822    refCount--; 1823    if (refCount == 0) disposeCOMInterfaces (); 1824    return refCount; 1825} 1826 1827/* nsIWeakReference */ 1828     1829int /*long*/ QueryReferent (int /*long*/ riid, int /*long*/ ppvObject) { 1830    return QueryInterface (riid, ppvObject); 1831} 1832 1833/* nsIInterfaceRequestor */ 1834 1835int /*long*/ GetInterface (int /*long*/ riid, int /*long*/ ppvObject) { 1836    if (riid == 0 || ppvObject == 0) return XPCOM.NS_ERROR_NO_INTERFACE; 1837    nsID guid = new nsID (); 1838    XPCOM.memmove (guid, riid, nsID.sizeof); 1839    if (guid.Equals (nsIDOMWindow.NS_IDOMWINDOW_IID)) { 1840        int /*long*/[] aContentDOMWindow = new int /*long*/[1]; 1841        int rc = webBrowser.GetContentDOMWindow (aContentDOMWindow); 1842        if (rc != XPCOM.NS_OK) error (rc); 1843        if (aContentDOMWindow[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1844        XPCOM.memmove (ppvObject, aContentDOMWindow, C.PTR_SIZEOF); 1845        return rc; 1846    } 1847    return QueryInterface (riid, ppvObject); 1848} 1849 1850int /*long*/ GetWeakReference (int /*long*/ ppvObject) { 1851    XPCOM.memmove (ppvObject, new int /*long*/[] {weakReference.getAddress ()}, C.PTR_SIZEOF); 1852    AddRef (); 1853    return XPCOM.NS_OK; 1854} 1855 1856/* nsIWebProgressListener */ 1857 1858int /*long*/ OnStateChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aStateFlags, int /*long*/ aStatus) { 1859    if ((aStateFlags & nsIWebProgressListener.STATE_IS_DOCUMENT) == 0) return XPCOM.NS_OK; 1860    if ((aStateFlags & nsIWebProgressListener.STATE_START) != 0) { 1861        if (request == 0) request = aRequest; 1862 1863        /* 1864         * Add the page's nsIDOMWindow to the collection of windows that will 1865         * have DOM listeners added to them later on in the page loading 1866         * process. These listeners cannot be added yet because the 1867         * nsIDOMWindow is not ready to take them at this stage. 1868         */ 1869        int /*long*/[] result = new int /*long*/[1]; 1870        nsIWebProgress progress = new nsIWebProgress (aWebProgress); 1871        int rc = progress.GetDOMWindow (result); 1872        if (rc != XPCOM.NS_OK) error (rc); 1873        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1874        unhookedDOMWindows.addElement (new LONG (result[0])); 1875    } else if ((aStateFlags & nsIWebProgressListener.STATE_REDIRECTING) != 0) { 1876        if (request == aRequest) request = 0; 1877    } else if ((aStateFlags & nsIWebProgressListener.STATE_STOP) != 0) { 1878        /* 1879        * If this page's nsIDOMWindow handle is still in unhookedDOMWindows then 1880        * add its DOM listeners now. It's possible for this to happen since 1881        * there is no guarantee that a STATE_TRANSFERRING state change will be 1882        * received for every window in a page, which is when these listeners 1883        * are typically added. 1884        */ 1885        int /*long*/[] result = new int /*long*/[1]; 1886        nsIWebProgress progress = new nsIWebProgress (aWebProgress); 1887        int rc = progress.GetDOMWindow (result); 1888        if (rc != XPCOM.NS_OK) error (rc); 1889        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1890        nsIDOMWindow domWindow = new nsIDOMWindow (result[0]); 1891 1892        LONG ptrObject = new LONG (result[0]); 1893        result[0] = 0; 1894        int index = unhookedDOMWindows.indexOf (ptrObject); 1895        if (index != -1) { 1896            rc = webBrowser.GetContentDOMWindow (result); 1897            if (rc != XPCOM.NS_OK) error (rc); 1898            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1899            boolean isTop = result[0] == domWindow.getAddress (); 1900            new nsISupports (result[0]).Release (); 1901            result[0] = 0; 1902 1903            rc = domWindow.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 1904            if (rc != XPCOM.NS_OK) error (rc); 1905            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 1906 1907            nsIDOMEventTarget target = new nsIDOMEventTarget (result[0]); 1908            result[0] = 0; 1909            hookDOMListeners (target, isTop); 1910            target.Release (); 1911 1912            /* 1913            * Remove and unreference the nsIDOMWindow from the collection of windows 1914            * that are waiting to have DOM listeners hooked on them. 1915            */ 1916            unhookedDOMWindows.remove (ptrObject); 1917            new nsISupports (ptrObject.value).Release (); 1918        } 1919        domWindow.Release (); 1920 1921        /* 1922         * If htmlBytes is not null then there is html from a previous setText() call 1923         * waiting to be set into the about:blank page once it has completed loading. 1924         */ 1925        if (htmlBytes != null) { 1926            nsIRequest req = new nsIRequest (aRequest); 1927            int /*long*/ name = XPCOM.nsEmbedCString_new (); 1928            rc = req.GetName (name); 1929            if (rc != XPCOM.NS_OK) error (rc); 1930            int length = XPCOM.nsEmbedCString_Length (name); 1931            int /*long*/ buffer = XPCOM.nsEmbedCString_get (name); 1932            byte[] dest = new byte[length]; 1933            XPCOM.memmove (dest, buffer, length); 1934            XPCOM.nsEmbedCString_delete (name); 1935            String url = new String (dest); 1936 1937            if (url.startsWith (ABOUT_BLANK)) { 1938                /* 1939                 * Setting the browser's content with nsIWebBrowserStream invalidates the 1940                 * DOM listeners that were hooked on it (about:blank), so remove them and 1941                 * add new ones after the content has been set. 1942                 */ 1943                unhookDOMListeners (); 1944 1945                rc = XPCOM.NS_GetServiceManager (result); 1946                if (rc != XPCOM.NS_OK) error (rc); 1947                if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1948 1949                nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 1950                result[0] = 0; 1951                rc = serviceManager.GetService (XPCOM.NS_IOSERVICE_CID, nsIIOService.NS_IIOSERVICE_IID, result); 1952                if (rc != XPCOM.NS_OK) error (rc); 1953                if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1954                serviceManager.Release (); 1955 1956                nsIIOService ioService = new nsIIOService (result[0]); 1957                result[0] = 0; 1958                /* 1959                * Note. Mozilla ignores LINK tags used to load CSS stylesheets 1960                * when the URI protocol for the nsInputStreamChannel 1961                * is about:blank. The fix is to specify the file protocol. 1962                */ 1963                byte[] aString = MozillaDelegate.wcsToMbcs (null, URI_FROMMEMORY, false); 1964                int /*long*/ aSpec = XPCOM.nsEmbedCString_new (aString, aString.length); 1965                rc = ioService.NewURI (aSpec, null, 0, result); 1966                XPCOM.nsEmbedCString_delete (aSpec); 1967                if (rc != XPCOM.NS_OK) error (rc); 1968                if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1969                ioService.Release (); 1970 1971                nsIURI uri = new nsIURI (result[0]); 1972                result[0] = 0; 1973 1974                rc = webBrowser.QueryInterface (nsIWebBrowserStream.NS_IWEBBROWSERSTREAM_IID, result); 1975                if (rc != XPCOM.NS_OK) error (rc); 1976                if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 1977                nsIWebBrowserStream stream = new nsIWebBrowserStream (result[0]); 1978                result[0] = 0; 1979 1980                byte[] contentTypeBuffer = MozillaDelegate.wcsToMbcs (null, "text/html", true); // $NON-NLS-1$ 1981 int /*long*/ aContentType = XPCOM.nsEmbedCString_new (contentTypeBuffer, contentTypeBuffer.length); 1982 1983                rc = stream.OpenStream (uri.getAddress (), aContentType); 1984                if (rc != XPCOM.NS_OK) error (rc); 1985                int /*long*/ ptr = C.malloc (htmlBytes.length); 1986                XPCOM.memmove (ptr, htmlBytes, htmlBytes.length); 1987                int pageSize = 8192; 1988                int pageCount = htmlBytes.length / pageSize + 1; 1989                int /*long*/ current = ptr; 1990                for (int i = 0; i < pageCount; i++) { 1991                    length = i == pageCount - 1 ? htmlBytes.length % pageSize : pageSize; 1992                    if (length > 0) { 1993                        rc = stream.AppendToStream (current, length); 1994                        if (rc != XPCOM.NS_OK) error (rc); 1995                    } 1996                    current += pageSize; 1997                } 1998                rc = stream.CloseStream (); 1999                if (rc != XPCOM.NS_OK) error (rc); 2000 2001                C.free (ptr); 2002                XPCOM.nsEmbedCString_delete (aContentType); 2003                stream.Release (); 2004                uri.Release (); 2005                htmlBytes = null; 2006                hookDOMListeners (); 2007            } 2008        } 2009 2010        /* 2011        * Feature in Mozilla. When a request is redirected (STATE_REDIRECTING), 2012        * it never reaches the state STATE_STOP and it is replaced with a new request. 2013        * The new request is received when it is in the state STATE_STOP. 2014        * To handle this case, the variable request is set to 0 when the corresponding 2015        * request is redirected. The following request received with the state STATE_STOP 2016        * - the new request resulting from the redirection - is used to send 2017        * the ProgressListener.completed event. 2018        */ 2019        if (request == aRequest || request == 0) { 2020            request = 0; 2021            StatusTextEvent event = new StatusTextEvent (browser); 2022            event.display = browser.getDisplay (); 2023            event.widget = browser; 2024            event.text = ""; //$NON-NLS-1$ 2025 for (int i = 0; i < statusTextListeners.length; i++) { 2026                statusTextListeners[i].changed (event); 2027            } 2028            ProgressEvent event2 = new ProgressEvent (browser); 2029            event2.display = browser.getDisplay (); 2030            event2.widget = browser; 2031            for (int i = 0; i < progressListeners.length; i++) { 2032                progressListeners[i].completed (event2); 2033            } 2034        } 2035    } else if ((aStateFlags & nsIWebProgressListener.STATE_TRANSFERRING) != 0) { 2036        /* 2037        * Hook DOM listeners to the page's nsIDOMWindow here because this is 2038        * the earliest opportunity to do so. 2039        */ 2040        int /*long*/[] result = new int /*long*/[1]; 2041        nsIWebProgress progress = new nsIWebProgress (aWebProgress); 2042        int rc = progress.GetDOMWindow (result); 2043        if (rc != XPCOM.NS_OK) error (rc); 2044        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2045        nsIDOMWindow domWindow = new nsIDOMWindow (result[0]); 2046 2047        LONG ptrObject = new LONG (result[0]); 2048        result[0] = 0; 2049        int index = unhookedDOMWindows.indexOf (ptrObject); 2050        if (index != -1) { 2051            rc = webBrowser.GetContentDOMWindow (result); 2052            if (rc != XPCOM.NS_OK) error (rc); 2053            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 2054            boolean isTop = result[0] == domWindow.getAddress (); 2055            new nsISupports (result[0]).Release (); 2056            result[0] = 0; 2057 2058            rc = domWindow.QueryInterface (nsIDOMEventTarget.NS_IDOMEVENTTARGET_IID, result); 2059            if (rc != XPCOM.NS_OK) error (rc); 2060            if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 2061 2062            nsIDOMEventTarget target = new nsIDOMEventTarget (result[0]); 2063            result[0] = 0; 2064            hookDOMListeners (target, isTop); 2065            target.Release (); 2066 2067            /* 2068            * Remove and unreference the nsIDOMWindow from the collection of windows 2069            * that are waiting to have DOM listeners hooked on them. 2070            */ 2071            unhookedDOMWindows.remove (ptrObject); 2072            new nsISupports (ptrObject.value).Release (); 2073        } 2074        domWindow.Release (); 2075    } 2076    return XPCOM.NS_OK; 2077} 2078 2079int /*long*/ OnProgressChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aCurSelfProgress, int /*long*/ aMaxSelfProgress, int /*long*/ aCurTotalProgress, int /*long*/ aMaxTotalProgress) { 2080    if (progressListeners.length == 0) return XPCOM.NS_OK; 2081    ProgressEvent event = new ProgressEvent (browser); 2082    event.display = browser.getDisplay (); 2083    event.widget = browser; 2084    event.current = (int)/*64*/aCurTotalProgress; 2085    event.total = (int)/*64*/aMaxTotalProgress; 2086    for (int i = 0; i < progressListeners.length; i++) { 2087        progressListeners[i].changed (event); 2088    } 2089    return XPCOM.NS_OK; 2090} 2091 2092int /*long*/ OnLocationChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aLocation) { 2093    /* 2094    * Feature in Mozilla. When a page is loaded via setText before a previous 2095    * setText page load has completed, the expected OnStateChange STATE_STOP for the 2096    * original setText never arrives because it gets replaced by the OnStateChange 2097    * STATE_STOP for the new request. This results in the request field never being 2098    * cleared because the original request's OnStateChange STATE_STOP is still expected 2099    * (but never arrives). To handle this case, the request field is updated to the new 2100    * overriding request since its OnStateChange STATE_STOP will be received next. 2101    */ 2102    if (request != 0 && request != aRequest) request = aRequest; 2103 2104    if (locationListeners.length == 0) return XPCOM.NS_OK; 2105 2106    nsIWebProgress webProgress = new nsIWebProgress (aWebProgress); 2107    int /*long*/[] aDOMWindow = new int /*long*/[1]; 2108    int rc = webProgress.GetDOMWindow (aDOMWindow); 2109    if (rc != XPCOM.NS_OK) error (rc); 2110    if (aDOMWindow[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 2111     2112    nsIDOMWindow domWindow = new nsIDOMWindow (aDOMWindow[0]); 2113    int /*long*/[] aTop = new int /*long*/[1]; 2114    rc = domWindow.GetTop (aTop); 2115    if (rc != XPCOM.NS_OK) error (rc); 2116    if (aTop[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 2117    domWindow.Release (); 2118     2119    nsIDOMWindow topWindow = new nsIDOMWindow (aTop[0]); 2120    topWindow.Release (); 2121     2122    nsIURI location = new nsIURI (aLocation); 2123    int /*long*/ aSpec = XPCOM.nsEmbedCString_new (); 2124    location.GetSpec (aSpec); 2125    int length = XPCOM.nsEmbedCString_Length (aSpec); 2126    int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec); 2127    byte[] dest = new byte[length]; 2128    XPCOM.memmove (dest, buffer, length); 2129    XPCOM.nsEmbedCString_delete (aSpec); 2130    String url = new String (dest); 2131 2132    /* 2133     * As of Mozilla 1.8, the first time that a page is displayed, regardless of 2134     * whether it's via Browser.setURL() or Browser.setText(), the GRE navigates 2135     * to about:blank and fires the corresponding navigation events. Do not send 2136     * this event on the user since it is not expected. 2137     */ 2138    if (Is_1_8 && aRequest == 0 && url.startsWith (ABOUT_BLANK)) return XPCOM.NS_OK; 2139 2140    LocationEvent event = new LocationEvent (browser); 2141    event.display = browser.getDisplay (); 2142    event.widget = browser; 2143    event.location = url; 2144    /* 2145     * If the URI indicates that the page is being rendered from memory 2146     * (via setText()) then set it to about:blank to be consistent with IE. 2147     */ 2148    if (event.location.equals (URI_FROMMEMORY)) event.location = ABOUT_BLANK; 2149    event.top = aTop[0] == aDOMWindow[0]; 2150    for (int i = 0; i < locationListeners.length; i++) { 2151        locationListeners[i].changed (event); 2152    } 2153    return XPCOM.NS_OK; 2154} 2155 2156int /*long*/ OnStatusChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aStatus, int /*long*/ aMessage) { 2157    if (statusTextListeners.length == 0) return XPCOM.NS_OK; 2158    StatusTextEvent event = new StatusTextEvent (browser); 2159    event.display = browser.getDisplay (); 2160    event.widget = browser; 2161    int length = XPCOM.strlen_PRUnichar (aMessage); 2162    char[] dest = new char[length]; 2163    XPCOM.memmove (dest, aMessage, length * 2); 2164    event.text = new String (dest); 2165    for (int i = 0; i < statusTextListeners.length; i++) { 2166        statusTextListeners[i].changed (event); 2167    } 2168    return XPCOM.NS_OK; 2169} 2170 2171int /*long*/ OnSecurityChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ state) { 2172    return XPCOM.NS_OK; 2173} 2174 2175/* nsIWebBrowserChrome */ 2176 2177int /*long*/ SetStatus (int /*long*/ statusType, int /*long*/ status) { 2178    StatusTextEvent event = new StatusTextEvent (browser); 2179    event.display = browser.getDisplay (); 2180    event.widget = browser; 2181    int length = XPCOM.strlen_PRUnichar (status); 2182    char[] dest = new char[length]; 2183    XPCOM.memmove (dest, status, length * 2); 2184    String string = new String (dest); 2185    event.text = string; 2186    for (int i = 0; i < statusTextListeners.length; i++) { 2187        statusTextListeners[i].changed (event); 2188    } 2189    return XPCOM.NS_OK; 2190} 2191 2192int /*long*/ GetWebBrowser (int /*long*/ aWebBrowser) { 2193    int /*long*/[] ret = new int /*long*/[1]; 2194    if (webBrowser != null) { 2195        webBrowser.AddRef (); 2196        ret[0] = webBrowser.getAddress (); 2197    } 2198    XPCOM.memmove (aWebBrowser, ret, C.PTR_SIZEOF); 2199    return XPCOM.NS_OK; 2200} 2201 2202int /*long*/ SetWebBrowser (int /*long*/ aWebBrowser) { 2203    if (webBrowser != null) webBrowser.Release (); 2204    webBrowser = aWebBrowser != 0 ? new nsIWebBrowser (aWebBrowser) : null; 2205    return XPCOM.NS_OK; 2206} 2207    2208int /*long*/ GetChromeFlags (int /*long*/ aChromeFlags) { 2209    int[] ret = new int[1]; 2210    ret[0] = chromeFlags; 2211    XPCOM.memmove (aChromeFlags, ret, 4); /* PRUint32 */ 2212    return XPCOM.NS_OK; 2213} 2214 2215int /*long*/ SetChromeFlags (int /*long*/ aChromeFlags) { 2216    chromeFlags = (int)/*64*/aChromeFlags; 2217    return XPCOM.NS_OK; 2218} 2219 2220int /*long*/ DestroyBrowserWindow () { 2221    WindowEvent newEvent = new WindowEvent (browser); 2222    newEvent.display = browser.getDisplay (); 2223    newEvent.widget = browser; 2224    for (int i = 0; i < closeWindowListeners.length; i++) { 2225        closeWindowListeners[i].close (newEvent); 2226    } 2227    /* 2228    * Note on Mozilla. The DestroyBrowserWindow notification cannot be cancelled. 2229    * The browser widget cannot be used after this notification has been received. 2230    * The application is advised to close the window hosting the browser widget. 2231    * The browser widget must be disposed in all cases. 2232    */ 2233    browser.dispose (); 2234    return XPCOM.NS_OK; 2235} 2236     2237int /*long*/ SizeBrowserTo (int /*long*/ aCX, int /*long*/ aCY) { 2238    size = new Point ((int)/*64*/aCX, (int)/*64*/aCY); 2239    boolean isChrome = (chromeFlags & nsIWebBrowserChrome.CHROME_OPENAS_CHROME) != 0; 2240    if (isChrome) { 2241        Shell shell = browser.getShell (); 2242        shell.setSize (shell.computeSize (size.x, size.y)); 2243    } 2244    return XPCOM.NS_OK; 2245} 2246 2247int /*long*/ ShowAsModal () { 2248    int /*long*/[] result = new int /*long*/[1]; 2249    int rc = XPCOM.NS_GetServiceManager (result); 2250    if (rc != XPCOM.NS_OK) error (rc); 2251    if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2252 2253    nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 2254    result[0] = 0; 2255    byte[] aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_CONTEXTSTACK_CONTRACTID, true); 2256    rc = serviceManager.GetServiceByContractID (aContractID, nsIJSContextStack.NS_IJSCONTEXTSTACK_IID, result); 2257    if (rc != XPCOM.NS_OK) error (rc); 2258    if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2259    serviceManager.Release (); 2260 2261    nsIJSContextStack stack = new nsIJSContextStack (result[0]); 2262    result[0] = 0; 2263    rc = stack.Push (0); 2264    if (rc != XPCOM.NS_OK) error (rc); 2265 2266    Shell shell = browser.getShell (); 2267    Display display = browser.getDisplay (); 2268    while (!shell.isDisposed ()) { 2269        if (!display.readAndDispatch ()) display.sleep (); 2270    } 2271 2272    rc = stack.Pop (result); 2273    if (rc != XPCOM.NS_OK) error (rc); 2274    stack.Release (); 2275    return XPCOM.NS_OK; 2276} 2277 2278int /*long*/ IsWindowModal (int /*long*/ retval) { 2279    int result = (chromeFlags & nsIWebBrowserChrome.CHROME_MODAL) != 0 ? 1 : 0; 2280    XPCOM.memmove (retval, new int[] {result}, 4); /* PRBool */ 2281    return XPCOM.NS_OK; 2282} 2283    2284int /*long*/ ExitModalEventLoop (int /*long*/ aStatus) { 2285    return XPCOM.NS_OK; 2286} 2287 2288/* nsIEmbeddingSiteWindow */ 2289 2290int /*long*/ SetDimensions (int /*long*/ flags, int /*long*/ x, int /*long*/ y, int /*long*/ cx, int /*long*/ cy) { 2291    if (flags == nsIEmbeddingSiteWindow.DIM_FLAGS_POSITION) location = new Point ((int)/*64*/x, (int)/*64*/y); 2292    return XPCOM.NS_OK; 2293} 2294 2295int /*long*/ GetDimensions (int /*long*/ flags, int /*long*/ x, int /*long*/ y, int /*long*/ cx, int /*long*/ cy) { 2296    return XPCOM.NS_OK; 2297} 2298 2299int /*long*/ SetFocus () { 2300    int /*long*/[] result = new int /*long*/[1]; 2301    int rc = webBrowser.QueryInterface (nsIBaseWindow.NS_IBASEWINDOW_IID, result); 2302    if (rc != XPCOM.NS_OK) error (rc); 2303    if (result[0] == 0) error (XPCOM.NS_ERROR_NO_INTERFACE); 2304     2305    nsIBaseWindow baseWindow = new nsIBaseWindow (result[0]); 2306    rc = baseWindow.SetFocus (); 2307    if (rc != XPCOM.NS_OK) error (rc); 2308    baseWindow.Release (); 2309 2310    /* 2311    * Note. Mozilla notifies here that one of the children took 2312    * focus. This could or should be used to fire an SWT.FOCUS_IN 2313    * event on Browser focus listeners. 2314    */ 2315    return XPCOM.NS_OK; 2316} 2317 2318int /*long*/ GetVisibility (int /*long*/ aVisibility) { 2319    XPCOM.memmove (aVisibility, new int[] {browser.isVisible () ? 1 : 0}, 4); /* PRBool */ 2320    return XPCOM.NS_OK; 2321} 2322 2323int /*long*/ SetVisibility (int /*long*/ aVisibility) { 2324    if (isChild) { 2325        WindowEvent event = new WindowEvent (browser); 2326        event.display = browser.getDisplay (); 2327        event.widget = browser; 2328        if (aVisibility == 1) { 2329            /* 2330            * Bug in Mozilla. When the JavaScript window.open is executed, Mozilla 2331            * fires multiple SetVisibility 1 notifications. The workaround is 2332            * to ignore subsequent notifications. 2333            */ 2334            if (!visible) { 2335                visible = true; 2336                event.location = location; 2337                event.size = size; 2338                event.addressBar = (chromeFlags & nsIWebBrowserChrome.CHROME_LOCATIONBAR) != 0; 2339                event.menuBar = (chromeFlags & nsIWebBrowserChrome.CHROME_MENUBAR) != 0; 2340                event.statusBar = (chromeFlags & nsIWebBrowserChrome.CHROME_STATUSBAR) != 0; 2341                event.toolBar = (chromeFlags & nsIWebBrowserChrome.CHROME_TOOLBAR) != 0; 2342                for (int i = 0; i < visibilityWindowListeners.length; i++) { 2343                    visibilityWindowListeners[i].show (event); 2344                } 2345                location = null; 2346                size = null; 2347            } 2348        } else { 2349            visible = false; 2350            for (int i = 0; i < visibilityWindowListeners.length; i++) { 2351                visibilityWindowListeners[i].hide (event); 2352            } 2353        } 2354    } else { 2355        visible = aVisibility != 0; 2356    } 2357    return XPCOM.NS_OK; 2358} 2359 2360int /*long*/ GetTitle (int /*long*/ aTitle) { 2361    return XPCOM.NS_OK; 2362} 2363  2364int /*long*/ SetTitle (int /*long*/ aTitle) { 2365    if (titleListeners.length == 0) return XPCOM.NS_OK; 2366    TitleEvent event = new TitleEvent (browser); 2367    event.display = browser.getDisplay (); 2368    event.widget = browser; 2369    /* 2370    * To be consistent with other platforms the title event should 2371    * contain the page's url if the page does not contain a <title> 2372    * tag. 2373    */ 2374    int length = XPCOM.strlen_PRUnichar (aTitle); 2375    if (length > 0) { 2376        char[] dest = new char[length]; 2377        XPCOM.memmove (dest, aTitle, length * 2); 2378        event.title = new String (dest); 2379    } else { 2380        event.title = getUrl (); 2381    } 2382    for (int i = 0; i < titleListeners.length; i++) { 2383        titleListeners[i].changed (event); 2384    } 2385    return XPCOM.NS_OK; 2386} 2387 2388int /*long*/ GetSiteWindow (int /*long*/ aSiteWindow) { 2389    /* 2390    * Note. The handle is expected to be an HWND on Windows and 2391    * a GtkWidget* on GTK. This callback is invoked on Windows 2392    * when the javascript window.print is invoked and the print 2393    * dialog comes up. If no handle is returned, the print dialog 2394    * does not come up on this platform. 2395    */ 2396    XPCOM.memmove (aSiteWindow, new int /*long*/[] {embedHandle}, C.PTR_SIZEOF); 2397    return XPCOM.NS_OK; 2398} 2399  2400/* nsIWebBrowserChromeFocus */ 2401 2402int /*long*/ FocusNextElement () { 2403    /* 2404    * Bug in Mozilla embedding API. Mozilla takes back the focus after sending 2405    * this event. This prevents tabbing out of Mozilla. This behaviour can be reproduced 2406    * with the Mozilla application TestGtkEmbed. The workaround is to 2407    * send the traversal notification after this callback returns. 2408    */ 2409    browser.getDisplay ().asyncExec (new Runnable () { 2410        public void run () { 2411            browser.traverse (SWT.TRAVERSE_TAB_NEXT); 2412        } 2413    }); 2414    return XPCOM.NS_OK; 2415} 2416 2417int /*long*/ FocusPrevElement () { 2418    /* 2419    * Bug in Mozilla embedding API. Mozilla takes back the focus after sending 2420    * this event. This prevents tabbing out of Mozilla. This behaviour can be reproduced 2421    * with the Mozilla application TestGtkEmbed. The workaround is to 2422    * send the traversal notification after this callback returns. 2423    */ 2424    browser.getDisplay ().asyncExec (new Runnable () { 2425        public void run () { 2426            browser.traverse (SWT.TRAVERSE_TAB_PREVIOUS); 2427        } 2428    }); 2429    return XPCOM.NS_OK; 2430} 2431 2432/* nsIContextMenuListener */ 2433 2434int /*long*/ OnShowContextMenu (int /*long*/ aContextFlags, int /*long*/ aEvent, int /*long*/ aNode) { 2435    nsIDOMEvent domEvent = new nsIDOMEvent (aEvent); 2436    int /*long*/[] result = new int /*long*/[1]; 2437    int rc = domEvent.QueryInterface (nsIDOMMouseEvent.NS_IDOMMOUSEEVENT_IID, result); 2438    if (rc != XPCOM.NS_OK) error (rc); 2439    if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2440 2441    nsIDOMMouseEvent domMouseEvent = new nsIDOMMouseEvent (result[0]); 2442    int[] aScreenX = new int[1], aScreenY = new int[1]; 2443    rc = domMouseEvent.GetScreenX (aScreenX); 2444    if (rc != XPCOM.NS_OK) error (rc); 2445    rc = domMouseEvent.GetScreenY (aScreenY); 2446    if (rc != XPCOM.NS_OK) error (rc); 2447    domMouseEvent.Release (); 2448     2449    Event event = new Event (); 2450    event.x = aScreenX[0]; 2451    event.y = aScreenY[0]; 2452    browser.notifyListeners (SWT.MenuDetect, event); 2453    if (!event.doit) return XPCOM.NS_OK; 2454    Menu menu = browser.getMenu (); 2455    if (menu != null && !menu.isDisposed ()) { 2456        if (aScreenX[0] != event.x || aScreenY[0] != event.y) { 2457            menu.setLocation (event.x, event.y); 2458        } 2459        menu.setVisible (true); 2460    } 2461    return XPCOM.NS_OK; 2462} 2463 2464/* nsIURIContentListener */ 2465 2466int /*long*/ OnStartURIOpen (int /*long*/ aURI, int /*long*/ retval) { 2467    nsIURI location = new nsIURI (aURI); 2468    int /*long*/ aSpec = XPCOM.nsEmbedCString_new (); 2469    location.GetSpec (aSpec); 2470    int length = XPCOM.nsEmbedCString_Length (aSpec); 2471    int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec); 2472    buffer = XPCOM.nsEmbedCString_get (aSpec); 2473    byte[] dest = new byte[length]; 2474    XPCOM.memmove (dest, buffer, length); 2475    XPCOM.nsEmbedCString_delete (aSpec); 2476    String value = new String (dest); 2477    if (locationListeners.length == 0) { 2478        XPCOM.memmove (retval, new int[] {0}, 4); /* PRBool */ 2479        return XPCOM.NS_OK; 2480    } 2481    boolean doit = true; 2482    if (request == 0) { 2483        LocationEvent event = new LocationEvent (browser); 2484        event.display = browser.getDisplay(); 2485        event.widget = browser; 2486        event.location = value; 2487        /* 2488         * If the URI indicates that the page is being rendered from memory 2489         * (via setText()) then set it to about:blank to be consistent with IE. 2490         */ 2491        if (event.location.equals (URI_FROMMEMORY)) event.location = ABOUT_BLANK; 2492        event.doit = doit; 2493        for (int i = 0; i < locationListeners.length; i++) { 2494            locationListeners[i].changing (event); 2495        } 2496        doit = event.doit; 2497    } 2498    XPCOM.memmove (retval, new int[] {doit ? 0 : 1}, 4); /* PRBool */ 2499    return XPCOM.NS_OK; 2500} 2501 2502int /*long*/ DoContent (int /*long*/ aContentType, int /*long*/ aIsContentPreferred, int /*long*/ aRequest, int /*long*/ aContentHandler, int /*long*/ retval) { 2503    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2504} 2505 2506int /*long*/ IsPreferred (int /*long*/ aContentType, int /*long*/ aDesiredContentType, int /*long*/ retval) { 2507    boolean preferred = false; 2508    int size = XPCOM.strlen (aContentType); 2509    if (size > 0) { 2510        byte[] typeBytes = new byte[size + 1]; 2511        XPCOM.memmove (typeBytes, aContentType, size); 2512        String contentType = new String (typeBytes, 0, size); 2513 2514        /* do not attempt to handle known problematic content types */ 2515        if (!contentType.equals (XPCOM.CONTENT_MAYBETEXT) && !contentType.equals (XPCOM.CONTENT_MULTIPART)) { 2516            /* determine whether browser can handle the content type */ 2517            int /*long*/[] result = new int /*long*/[1]; 2518            int rc = XPCOM.NS_GetServiceManager (result); 2519            if (rc != XPCOM.NS_OK) error (rc); 2520            if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2521            nsIServiceManager serviceManager = new nsIServiceManager (result[0]); 2522            result[0] = 0; 2523 2524            /* First try to use the nsIWebNavigationInfo if it's available (>= mozilla 1.8) */ 2525            byte[] aContractID = MozillaDelegate.wcsToMbcs (null, XPCOM.NS_WEBNAVIGATIONINFO_CONTRACTID, true); 2526            rc = serviceManager.GetServiceByContractID (aContractID, nsIWebNavigationInfo.NS_IWEBNAVIGATIONINFO_IID, result); 2527            if (rc == 0) { 2528                byte[] bytes = MozillaDelegate.wcsToMbcs (null, contentType, true); 2529                int /*long*/ typePtr = XPCOM.nsEmbedCString_new (bytes, bytes.length); 2530                nsIWebNavigationInfo info = new nsIWebNavigationInfo (result[0]); 2531                result[0] = 0; 2532                int[] isSupportedResult = new int[1]; /* PRUint32 */ 2533                rc = info.IsTypeSupported (typePtr, 0, isSupportedResult); 2534                if (rc != XPCOM.NS_OK) error (rc); 2535                info.Release (); 2536                XPCOM.nsEmbedCString_delete (typePtr); 2537                preferred = isSupportedResult[0] != 0; 2538            } else { 2539                /* nsIWebNavigationInfo is not available, so do the type lookup */ 2540                result[0] = 0; 2541                rc = serviceManager.GetService (XPCOM.NS_CATEGORYMANAGER_CID, nsICategoryManager.NS_ICATEGORYMANAGER_IID, result); 2542                if (rc != XPCOM.NS_OK) error (rc); 2543                if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2544 2545                nsICategoryManager categoryManager = new nsICategoryManager (result[0]); 2546                result[0] = 0; 2547                byte[] categoryBytes = MozillaDelegate.wcsToMbcs (null, "Gecko-Content-Viewers", true); //$NON-NLS-1$ 2548 rc = categoryManager.GetCategoryEntry (categoryBytes, typeBytes, result); 2549                categoryManager.Release (); 2550                /* if no viewer for the content type is registered then rc == XPCOM.NS_ERROR_NOT_AVAILABLE */ 2551                preferred = rc == XPCOM.NS_OK; 2552            } 2553            serviceManager.Release (); 2554        } 2555    } 2556 2557    XPCOM.memmove(retval, new int[] {preferred ? 1 : 0}, 4); /* PRBool */ 2558    if (preferred) { 2559        XPCOM.memmove (aDesiredContentType, new int /*long*/[] {0}, C.PTR_SIZEOF); 2560    } 2561    return XPCOM.NS_OK; 2562} 2563 2564int /*long*/ CanHandleContent (int /*long*/ aContentType, int /*long*/ aIsContentPreferred, int /*long*/ aDesiredContentType, int /*long*/ retval) { 2565    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2566} 2567 2568int /*long*/ GetLoadCookie (int /*long*/ aLoadCookie) { 2569    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2570} 2571 2572int /*long*/ SetLoadCookie (int /*long*/ aLoadCookie) { 2573    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2574} 2575 2576int /*long*/ GetParentContentListener (int /*long*/ aParentContentListener) { 2577    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2578} 2579     2580int /*long*/ SetParentContentListener (int /*long*/ aParentContentListener) { 2581    return XPCOM.NS_ERROR_NOT_IMPLEMENTED; 2582} 2583 2584/* nsITooltipListener */ 2585 2586int /*long*/ OnShowTooltip (int /*long*/ aXCoords, int /*long*/ aYCoords, int /*long*/ aTipText) { 2587    int length = XPCOM.strlen_PRUnichar (aTipText); 2588    char[] dest = new char[length]; 2589    XPCOM.memmove (dest, aTipText, length * 2); 2590    String text = new String (dest); 2591    if (tip != null && !tip.isDisposed ()) tip.dispose (); 2592    Display display = browser.getDisplay (); 2593    Shell parent = browser.getShell (); 2594    tip = new Shell (parent, SWT.ON_TOP); 2595    tip.setLayout (new FillLayout()); 2596    Label label = new Label (tip, SWT.CENTER); 2597    label.setForeground (display.getSystemColor (SWT.COLOR_INFO_FOREGROUND)); 2598    label.setBackground (display.getSystemColor (SWT.COLOR_INFO_BACKGROUND)); 2599    label.setText (text); 2600    /* 2601    * Bug in Mozilla embedded API. Tooltip coordinates are wrong for 2602    * elements inside an inline frame (IFrame tag). The workaround is 2603    * to position the tooltip based on the mouse cursor location. 2604    */ 2605    Point point = display.getCursorLocation (); 2606    /* Assuming cursor is 21x21 because this is the size of 2607     * the arrow cursor on Windows 2608     */ 2609    point.y += 21; 2610    tip.setLocation (point); 2611    tip.pack (); 2612    tip.setVisible (true); 2613    return XPCOM.NS_OK; 2614} 2615 2616int /*long*/ OnHideTooltip () { 2617    if (tip != null && !tip.isDisposed ()) tip.dispose (); 2618    tip = null; 2619    return XPCOM.NS_OK; 2620} 2621 2622/* nsIDOMEventListener */ 2623 2624int /*long*/ HandleEvent (int /*long*/ event) { 2625    nsIDOMEvent domEvent = new nsIDOMEvent (event); 2626 2627    int /*long*/ type = XPCOM.nsEmbedString_new (); 2628    int rc = domEvent.GetType (type); 2629    if (rc != XPCOM.NS_OK) error (rc); 2630    int length = XPCOM.nsEmbedString_Length (type); 2631    int /*long*/ buffer = XPCOM.nsEmbedString_get (type); 2632    char[] chars = new char[length]; 2633    XPCOM.memmove (chars, buffer, length * 2); 2634    String typeString = new String (chars); 2635    XPCOM.nsEmbedString_delete (type); 2636 2637    if (XPCOM.DOMEVENT_UNLOAD.equals (typeString)) { 2638        int /*long*/[] result = new int /*long*/[1]; 2639        rc = domEvent.GetCurrentTarget (result); 2640        if (rc != XPCOM.NS_OK) error (rc); 2641        if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2642 2643        nsIDOMEventTarget target = new nsIDOMEventTarget (result[0]); 2644        unhookDOMListeners (target); 2645        target.Release (); 2646        return XPCOM.NS_OK; 2647    } 2648 2649    if (XPCOM.DOMEVENT_FOCUS.equals (typeString)) { 2650        delegate.handleFocus (); 2651        return XPCOM.NS_OK; 2652    } 2653 2654    /* mouse event */ 2655 2656    int /*long*/[] result = new int /*long*/[1]; 2657    rc = domEvent.QueryInterface (nsIDOMMouseEvent.NS_IDOMMOUSEEVENT_IID, result); 2658    if (rc != XPCOM.NS_OK) error (rc); 2659    if (result[0] == 0) error (XPCOM.NS_NOINTERFACE); 2660    nsIDOMMouseEvent domMouseEvent = new nsIDOMMouseEvent (result[0]); 2661    result[0] = 0; 2662 2663    /* 2664     * MouseOver and MouseOut events are fired any time the mouse enters or exits 2665     * any element within the Browser. To ensure that SWT events are only 2666     * fired for mouse movements into or out of the Browser, do not fire an 2667     * event if the element being exited (on MouseOver) or entered (on MouseExit) 2668     * is within the Browser. 2669     */ 2670    if (XPCOM.DOMEVENT_MOUSEOVER.equals (typeString) || XPCOM.DOMEVENT_MOUSEOUT.equals (typeString)) { 2671        rc = domMouseEvent.GetRelatedTarget (result); 2672        if (rc != XPCOM.NS_OK) error (rc); 2673        if (result[0] != 0) { 2674            domMouseEvent.Release (); 2675            return XPCOM.NS_OK; 2676        } 2677    } 2678 2679    int[] aClientX = new int[1], aClientY = new int[1], aDetail = new int[1]; /* PRInt32 */ 2680    rc = domMouseEvent.GetClientX (aClientX); 2681    if (rc != XPCOM.NS_OK) error (rc); 2682    rc = domMouseEvent.GetClientY (aClientY); 2683    if (rc != XPCOM.NS_OK) error (rc); 2684    rc = domMouseEvent.GetDetail (aDetail); 2685    if (rc != XPCOM.NS_OK) error (rc); 2686    short[] aButton = new short[1]; /* PRUint16 */ 2687    rc = domMouseEvent.GetButton (aButton); 2688    if (rc != XPCOM.NS_OK) error (rc); 2689    boolean[] aAltKey = new boolean[1], aCtrlKey = new boolean[1], aShiftKey = new boolean[1], aMetaKey = new boolean[1]; 2690    rc = domMouseEvent.GetAltKey (aAltKey); 2691    if (rc != XPCOM.NS_OK) error (rc); 2692    rc = domMouseEvent.GetCtrlKey (aCtrlKey); 2693    if (rc != XPCOM.NS_OK) error (rc); 2694    rc = domMouseEvent.GetShiftKey (aShiftKey); 2695    if (rc != XPCOM.NS_OK) error (rc); 2696    rc = domMouseEvent.GetMetaKey (aMetaKey); 2697    if (rc != XPCOM.NS_OK) error (rc); 2698    domMouseEvent.Release (); 2699 2700    Event mouseEvent = new Event (); 2701    mouseEvent.widget = browser; 2702    mouseEvent.x = aClientX[0]; mouseEvent.y = aClientY[0]; 2703    mouseEvent.stateMask = (aAltKey[0] ? SWT.ALT : 0) | (aCtrlKey[0] ? SWT.CTRL : 0) | (aShiftKey[0] ? SWT.SHIFT : 0) | (aMetaKey[0] ? SWT.MOD1 : 0); 2704 2705    if (XPCOM.DOMEVENT_MOUSEDOWN.equals (typeString)) { 2706        mouseEvent.type = SWT.MouseDown; 2707        mouseEvent.button = aButton[0] + 1; 2708        mouseEvent.count = aDetail[0]; 2709    } else if (XPCOM.DOMEVENT_MOUSEUP.equals (typeString)) { 2710        mouseEvent.type = SWT.MouseUp; 2711        mouseEvent.button = aButton[0] + 1; 2712        mouseEvent.count = aDetail[0]; 2713    } else if (XPCOM.DOMEVENT_MOUSEMOVE.equals (typeString)) { 2714        mouseEvent.type = SWT.MouseMove; 2715    } else if (XPCOM.DOMEVENT_MOUSEOVER.equals (typeString)) { 2716        mouseEvent.type = SWT.MouseEnter; 2717    } else if (XPCOM.DOMEVENT_MOUSEOUT.equals (typeString)) { 2718        mouseEvent.type = SWT.MouseExit; 2719    } 2720 2721    browser.notifyListeners (mouseEvent.type, mouseEvent); 2722    if (aDetail[0] == 2 && XPCOM.DOMEVENT_MOUSEDOWN.equals (typeString)) { 2723        mouseEvent = new Event (); 2724        mouseEvent.widget = browser; 2725        mouseEvent.x = aClientX[0]; mouseEvent.y = aClientY[0]; 2726        mouseEvent.stateMask = (aAltKey[0] ? SWT.ALT : 0) | (aCtrlKey[0] ? SWT.CTRL : 0) | (aShiftKey[0] ? SWT.SHIFT : 0) | (aMetaKey[0] ? SWT.MOD1 : 0); 2727        mouseEvent.type = SWT.MouseDoubleClick; 2728        mouseEvent.button = aButton[0] + 1; 2729        mouseEvent.count = aDetail[0]; 2730        browser.notifyListeners (mouseEvent.type, mouseEvent); 2731    } 2732    return XPCOM.NS_OK; 2733} 2734} 2735

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