/******************************************************************************* * Copyright (c) 2010, 2013 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.browser; import java.io.UnsupportedEncodingException; import java.net.*; import java.util.*; import org.eclipse.swt.*; import org.eclipse.swt.graphics.*; import org.eclipse.swt.internal.*; import org.eclipse.swt.internal.gtk.*; import org.eclipse.swt.internal.webkit.*; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; class WebKit extends WebBrowser { long /*int*/ webView, webViewData, scrolledWindow; int failureCount, lastKeyCode, lastCharCode; String postData; String[] headers; boolean ignoreDispose, loadingText, untrustedText; byte[] htmlBytes; BrowserFunction eventFunction; static int DisabledJSCount; static long /*int*/ ExternalClass, PostString, WebViewType; static boolean IsWebKit14orNewer, LibraryLoaded; static Hashtable WindowMappings = new Hashtable (); static final String ABOUT_BLANK = "about:blank"; //$NON-NLS-1$ static final String CHARSET_UTF8 = "UTF-8"; //$NON-NLS-1$ static final String CLASSNAME_EXTERNAL = "External"; //$NON-NLS-1$ static final String FUNCTIONNAME_CALLJAVA = "callJava"; //$NON-NLS-1$ static final String HEADER_CONTENTTYPE = "content-type"; //$NON-NLS-1$ static final String MIMETYPE_FORMURLENCODED = "application/x-www-form-urlencoded"; //$NON-NLS-1$ static final String OBJECTNAME_EXTERNAL = "external"; //$NON-NLS-1$ static final String PROPERTY_LENGTH = "length"; //$NON-NLS-1$ static final String PROPERTY_PROXYHOST = "network.proxy_host"; //$NON-NLS-1$ static final String PROPERTY_PROXYPORT = "network.proxy_port"; //$NON-NLS-1$ static final String PROTOCOL_FILE = "file://"; //$NON-NLS-1$ static final String PROTOCOL_HTTP = "http://"; //$NON-NLS-1$ static final String URI_FILEROOT = "file:///"; //$NON-NLS-1$ static final String USER_AGENT = "user-agent"; //$NON-NLS-1$ static final int MAX_PORT = 65535; static final int MAX_PROGRESS = 100; static final int[] MIN_VERSION = {1, 2, 0}; static final int SENTINEL_KEYPRESS = -1; static final char SEPARATOR_FILE = System.getProperty ("file.separator").charAt (0); //$NON-NLS-1$ static final int STOP_PROPOGATE = 1; static final String DOMEVENT_DRAGSTART = "dragstart"; //$NON-NLS-1$ static final String DOMEVENT_KEYDOWN = "keydown"; //$NON-NLS-1$ static final String DOMEVENT_KEYPRESS = "keypress"; //$NON-NLS-1$ static final String DOMEVENT_KEYUP = "keyup"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEDOWN = "mousedown"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEUP = "mouseup"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEMOVE = "mousemove"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEOUT = "mouseout"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEOVER = "mouseover"; //$NON-NLS-1$ static final String DOMEVENT_MOUSEWHEEL = "mousewheel"; //$NON-NLS-1$ /* WebKit signal data */ static final int HOVERING_OVER_LINK = 1; static final int NOTIFY_PROGRESS = 2; static final int NAVIGATION_POLICY_DECISION_REQUESTED = 3; static final int NOTIFY_TITLE = 4; static final int POPULATE_POPUP = 5; static final int STATUS_BAR_TEXT_CHANGED = 6; static final int CREATE_WEB_VIEW = 7; static final int WEB_VIEW_READY = 8; static final int NOTIFY_LOAD_STATUS = 9; static final int RESOURCE_REQUEST_STARTING = 10; static final int DOWNLOAD_REQUESTED = 11; static final int MIME_TYPE_POLICY_DECISION_REQUESTED = 12; static final int CLOSE_WEB_VIEW = 13; static final int WINDOW_OBJECT_CLEARED = 14; static final int CONSOLE_MESSAGE = 15; static final String KEY_CHECK_SUBWINDOW = "org.eclipse.swt.internal.control.checksubwindow"; //$NON-NLS-1$ /* the following Callbacks are never freed */ static Callback Proc2, Proc3, Proc4, Proc5, Proc6; static Callback JSObjectHasPropertyProc, JSObjectGetPropertyProc, JSObjectCallAsFunctionProc; static Callback JSDOMEventProc; static { try { Library.loadLibrary ("swt-webkit"); // $NON-NLS-1$ LibraryLoaded = true; } catch (Throwable e) { } if (LibraryLoaded) { WebViewType = WebKitGTK.webkit_web_view_get_type (); Proc2 = new Callback (WebKit.class, "Proc", 2); //$NON-NLS-1$ if (Proc2.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); Proc3 = new Callback (WebKit.class, "Proc", 3); //$NON-NLS-1$ if (Proc3.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); Proc4 = new Callback (WebKit.class, "Proc", 4); //$NON-NLS-1$ if (Proc4.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); Proc5 = new Callback (WebKit.class, "Proc", 5); //$NON-NLS-1$ if (Proc5.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); Proc6 = new Callback (WebKit.class, "Proc", 6); //$NON-NLS-1$ if (Proc6.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); JSObjectHasPropertyProc = new Callback (WebKit.class, "JSObjectHasPropertyProc", 3); //$NON-NLS-1$ if (JSObjectHasPropertyProc.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); JSObjectGetPropertyProc = new Callback (WebKit.class, "JSObjectGetPropertyProc", 4); //$NON-NLS-1$ if (JSObjectGetPropertyProc.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); JSObjectCallAsFunctionProc = new Callback (WebKit.class, "JSObjectCallAsFunctionProc", 6); //$NON-NLS-1$ if (JSObjectCallAsFunctionProc.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); JSDOMEventProc = new Callback (WebKit.class, "JSDOMEventProc", 3); //$NON-NLS-1$ if (JSDOMEventProc.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); NativeClearSessions = new Runnable () { public void run () { if (!LibraryLoaded) return; long /*int*/ session = WebKitGTK.webkit_get_default_session (); long /*int*/ type = WebKitGTK.soup_cookie_jar_get_type (); long /*int*/ jar = WebKitGTK.soup_session_get_feature (session, type); if (jar == 0) return; long /*int*/ cookies = WebKitGTK.soup_cookie_jar_all_cookies (jar); int length = OS.g_slist_length (cookies); long /*int*/ current = cookies; for (int i = 0; i < length; i++) { long /*int*/ cookie = OS.g_slist_data (current); long /*int*/ expires = WebKitGTK.SoupCookie_expires (cookie); if (expires == 0) { /* indicates a session cookie */ WebKitGTK.soup_cookie_jar_delete_cookie (jar, cookie); } WebKitGTK.soup_cookie_free (cookie); current = OS.g_slist_next (current); } OS.g_slist_free (cookies); } }; NativeGetCookie = new Runnable () { public void run () { if (!LibraryLoaded) return; long /*int*/ session = WebKitGTK.webkit_get_default_session (); long /*int*/ type = WebKitGTK.soup_cookie_jar_get_type (); long /*int*/ jar = WebKitGTK.soup_session_get_feature (session, type); if (jar == 0) return; byte[] bytes = Converter.wcsToMbcs (null, CookieUrl, true); long /*int*/ uri = WebKitGTK.soup_uri_new (bytes); if (uri == 0) return; long /*int*/ cookies = WebKitGTK.soup_cookie_jar_get_cookies (jar, uri, 0); WebKitGTK.soup_uri_free (uri); if (cookies == 0) return; int length = OS.strlen (cookies); bytes = new byte[length]; C.memmove (bytes, cookies, length); OS.g_free (cookies); String allCookies = new String (Converter.mbcsToWcs (null, bytes)); StringTokenizer tokenizer = new StringTokenizer (allCookies, ";"); //$NON-NLS-1$ while (tokenizer.hasMoreTokens ()) { String cookie = tokenizer.nextToken (); int index = cookie.indexOf ('='); if (index != -1) { String name = cookie.substring (0, index).trim (); if (name.equals (CookieName)) { CookieValue = cookie.substring (index + 1).trim (); return; } } } } }; NativeSetCookie = new Runnable () { public void run () { if (!LibraryLoaded) return; long /*int*/ session = WebKitGTK.webkit_get_default_session (); long /*int*/ type = WebKitGTK.soup_cookie_jar_get_type (); long /*int*/ jar = WebKitGTK.soup_session_get_feature (session, type); if (jar == 0) { /* this happens if a navigation has not occurred yet */ WebKitGTK.soup_session_add_feature_by_type (session, type); jar = WebKitGTK.soup_session_get_feature (session, type); } if (jar == 0) return; byte[] bytes = Converter.wcsToMbcs (null, CookieUrl, true); long /*int*/ uri = WebKitGTK.soup_uri_new (bytes); if (uri == 0) return; bytes = Converter.wcsToMbcs (null, CookieValue, true); long /*int*/ cookie = WebKitGTK.soup_cookie_parse (bytes, uri); if (cookie != 0) { WebKitGTK.soup_cookie_jar_add_cookie (jar, cookie); // the following line is intentionally commented // WebKitGTK.soup_cookie_free (cookie); CookieResult = true; } WebKitGTK.soup_uri_free (uri); } }; if (NativePendingCookies != null) { SetPendingCookies (NativePendingCookies); NativePendingCookies = null; } } } static Browser FindBrowser (long /*int*/ webView) { if (webView == 0) return null; long /*int*/ parent = OS.gtk_widget_get_parent (webView); parent = OS.gtk_widget_get_parent (parent); return (Browser)Display.getCurrent ().findWidget (parent); } static boolean IsInstalled () { if (!LibraryLoaded) return false; // TODO webkit_check_version() should take care of the following, but for some // reason this symbol is missing from the latest build. If it is present in // Linux distro-provided builds then replace the following with this call. int major = WebKitGTK.webkit_major_version (); int minor = WebKitGTK.webkit_minor_version (); int micro = WebKitGTK.webkit_micro_version (); IsWebKit14orNewer = major > 1 || (major == 1 && minor > 4) || (major == 1 && minor == 4 && micro >= 0); return major > MIN_VERSION[0] || (major == MIN_VERSION[0] && minor > MIN_VERSION[1]) || (major == MIN_VERSION[0] && minor == MIN_VERSION[1] && micro >= MIN_VERSION[2]); } static long /*int*/ JSObjectCallAsFunctionProc (long /*int*/ ctx, long /*int*/ function, long /*int*/ thisObject, long /*int*/ argumentCount, long /*int*/ arguments, long /*int*/ exception) { if (WebKitGTK.JSValueIsObjectOfClass (ctx, thisObject, ExternalClass) == 0) { return WebKitGTK.JSValueMakeUndefined (ctx); } long /*int*/ ptr = WebKitGTK.JSObjectGetPrivate (thisObject); long /*int*/[] handle = new long /*int*/[1]; C.memmove (handle, ptr, C.PTR_SIZEOF); Browser browser = FindBrowser (handle[0]); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; return webkit.callJava (ctx, function, thisObject, argumentCount, arguments, exception); } static long /*int*/ JSObjectGetPropertyProc (long /*int*/ ctx, long /*int*/ object, long /*int*/ propertyName, long /*int*/ exception) { byte[] bytes = null; try { bytes = (FUNCTIONNAME_CALLJAVA + '\0').getBytes (CHARSET_UTF8); //$NON-NLS-1$ } catch (UnsupportedEncodingException e) { bytes = Converter.wcsToMbcs (null, FUNCTIONNAME_CALLJAVA, true); } long /*int*/ name = WebKitGTK.JSStringCreateWithUTF8CString (bytes); long /*int*/ function = WebKitGTK.JSObjectMakeFunctionWithCallback (ctx, name, JSObjectCallAsFunctionProc.getAddress ()); WebKitGTK.JSStringRelease (name); return function; } static long /*int*/ JSObjectHasPropertyProc (long /*int*/ ctx, long /*int*/ object, long /*int*/ propertyName) { byte[] bytes = null; try { bytes = (FUNCTIONNAME_CALLJAVA + '\0').getBytes (CHARSET_UTF8); //$NON-NLS-1$ } catch (UnsupportedEncodingException e) { bytes = Converter.wcsToMbcs (null, FUNCTIONNAME_CALLJAVA, true); } return WebKitGTK.JSStringIsEqualToUTF8CString (propertyName, bytes); } static long /*int*/ JSDOMEventProc (long /*int*/ arg0, long /*int*/ event, long /*int*/ user_data) { if (OS.GTK_IS_SCROLLED_WINDOW (arg0)) { /* * Stop the propagation of events that are not consumed by WebKit, before * they reach the parent embedder. These events have already been received. */ return user_data; } if (OS.G_TYPE_CHECK_INSTANCE_TYPE (arg0, WebViewType)) { /* * Only consider using GDK events to create SWT events to send if JS is disabled * in one or more WebKit instances (indicates that this instance may not be * receiving events from the DOM). This check is done up-front for performance. */ if (DisabledJSCount > 0) { final Browser browser = FindBrowser (arg0); if (browser != null && !browser.webBrowser.jsEnabled) { /* this instance does need to use the GDK event to create an SWT event to send */ switch (OS.GDK_EVENT_TYPE (event)) { case OS.GDK_KEY_PRESS: { if (browser.isFocusControl ()) { final GdkEventKey gdkEvent = new GdkEventKey (); OS.memmove (gdkEvent, event, GdkEventKey.sizeof); switch (gdkEvent.keyval) { case OS.GDK_ISO_Left_Tab: case OS.GDK_Tab: { if ((gdkEvent.state & (OS.GDK_CONTROL_MASK | OS.GDK_MOD1_MASK)) == 0) { browser.getDisplay ().asyncExec (new Runnable () { public void run () { if (browser.isDisposed ()) return; if (browser.getDisplay ().getFocusControl () == null) { int traversal = (gdkEvent.state & OS.GDK_SHIFT_MASK) != 0 ? SWT.TRAVERSE_TAB_PREVIOUS : SWT.TRAVERSE_TAB_NEXT; browser.traverse (traversal); } } }); } break; } case OS.GDK_Escape: { Event keyEvent = new Event (); keyEvent.widget = browser; keyEvent.type = SWT.KeyDown; keyEvent.keyCode = keyEvent.character = SWT.ESC; if ((gdkEvent.state & OS.GDK_MOD1_MASK) != 0) keyEvent.stateMask |= SWT.ALT; if ((gdkEvent.state & OS.GDK_SHIFT_MASK) != 0) keyEvent.stateMask |= SWT.SHIFT; if ((gdkEvent.state & OS.GDK_CONTROL_MASK) != 0) keyEvent.stateMask |= SWT.CONTROL; browser.webBrowser.sendKeyEvent (keyEvent); return 1; } } } break; } } OS.gtk_widget_event (browser.handle, event); } } return 0; } LONG webViewHandle = (LONG)WindowMappings.get (new LONG (arg0)); if (webViewHandle == null) return 0; Browser browser = FindBrowser (webViewHandle.value); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; return webkit.handleDOMEvent (event, (int)user_data) ? 0 : STOP_PROPOGATE; } static long /*int*/ Proc (long /*int*/ handle, long /*int*/ user_data) { Browser browser = FindBrowser (handle); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; return webkit.webViewProc (handle, user_data); } static long /*int*/ Proc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ user_data) { long /*int*/ webView; if (OS.G_TYPE_CHECK_INSTANCE_TYPE (handle, WebKitGTK.webkit_web_frame_get_type ())) { webView = WebKitGTK.webkit_web_frame_get_web_view (handle); } else { webView = handle; } Browser browser = FindBrowser (webView); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; if (webView == handle) { return webkit.webViewProc (handle, arg0, user_data); } else { return webkit.webFrameProc (handle, arg0, user_data); } } static long /*int*/ Proc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ user_data) { Browser browser = FindBrowser (handle); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; return webkit.webViewProc (handle, arg0, arg1, user_data); } static long /*int*/ Proc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ arg2, long /*int*/ user_data) { long /*int*/ webView; if (OS.G_TYPE_CHECK_INSTANCE_TYPE (handle, WebKitGTK.soup_session_get_type ())) { webView = user_data; } else { webView = handle; } Browser browser = FindBrowser (webView); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; if (webView == handle) { return webkit.webViewProc (handle, arg0, arg1, arg2, user_data); } else { return webkit.sessionProc (handle, arg0, arg1, arg2, user_data); } } static long /*int*/ Proc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ arg2, long /*int*/ arg3, long /*int*/ user_data) { Browser browser = FindBrowser (handle); if (browser == null) return 0; WebKit webkit = (WebKit)browser.webBrowser; return webkit.webViewProc (handle, arg0, arg1, arg2, arg3, user_data); } long /*int*/ sessionProc (long /*int*/ session, long /*int*/ msg, long /*int*/ auth, long /*int*/ retrying, long /*int*/ user_data) { /* authentication challenges are currently the only notification received from the session */ if (retrying == 0) { failureCount = 0; } else { if (++failureCount >= 3) return 0; } long /*int*/ uri = WebKitGTK.soup_message_get_uri (msg); long /*int*/ uriString = WebKitGTK.soup_uri_to_string (uri, 0); int length = C.strlen (uriString); byte[] bytes = new byte[length]; OS.memmove (bytes, uriString, length); OS.g_free (uriString); String location = new String (MozillaDelegate.mbcsToWcs (null, bytes)); for (int i = 0; i < authenticationListeners.length; i++) { AuthenticationEvent event = new AuthenticationEvent (browser); event.location = location; authenticationListeners[i].authenticate (event); if (!event.doit) { OS.g_signal_stop_emission_by_name (session, WebKitGTK.authenticate); return 0; } if (event.user != null && event.password != null) { byte[] userBytes = Converter.wcsToMbcs (null, event.user, true); byte[] passwordBytes = Converter.wcsToMbcs (null, event.password, true); WebKitGTK.soup_auth_authenticate (auth, userBytes, passwordBytes); OS.g_signal_stop_emission_by_name (session, WebKitGTK.authenticate); return 0; } } return 0; } long /*int*/ webFrameProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case NOTIFY_LOAD_STATUS: return webframe_notify_load_status (handle, arg0); default: return 0; } } long /*int*/ webViewProc (long /*int*/ handle, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case CLOSE_WEB_VIEW: return webkit_close_web_view (handle); case WEB_VIEW_READY: return webkit_web_view_ready (handle); default: return 0; } } long /*int*/ webViewProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case CREATE_WEB_VIEW: return webkit_create_web_view (handle, arg0); case DOWNLOAD_REQUESTED: return webkit_download_requested (handle, arg0); case NOTIFY_LOAD_STATUS: return webkit_notify_load_status (handle, arg0); case NOTIFY_PROGRESS: return webkit_notify_progress (handle, arg0); case NOTIFY_TITLE: return webkit_notify_title (handle, arg0); case POPULATE_POPUP: return webkit_populate_popup (handle, arg0); case STATUS_BAR_TEXT_CHANGED: return webkit_status_bar_text_changed (handle, arg0); default: return 0; } } long /*int*/ webViewProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case HOVERING_OVER_LINK: return webkit_hovering_over_link (handle, arg0, arg1); default: return 0; } } long /*int*/ webViewProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ arg2, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case CONSOLE_MESSAGE: return webkit_console_message (handle, arg0, arg1, arg2); case WINDOW_OBJECT_CLEARED: return webkit_window_object_cleared (handle, arg0, arg1, arg2); default: return 0; } } long /*int*/ webViewProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ arg1, long /*int*/ arg2, long /*int*/ arg3, long /*int*/ user_data) { switch ((int)/*64*/user_data) { case MIME_TYPE_POLICY_DECISION_REQUESTED: return webkit_mime_type_policy_decision_requested (handle, arg0, arg1, arg2, arg3); case NAVIGATION_POLICY_DECISION_REQUESTED: return webkit_navigation_policy_decision_requested (handle, arg0, arg1, arg2, arg3); case RESOURCE_REQUEST_STARTING: return webkit_resource_request_starting (handle, arg0, arg1, arg2, arg3); default: return 0; } } public void create (Composite parent, int style) { if (ExternalClass == 0) { if (Device.DEBUG) { int major = WebKitGTK.webkit_major_version (); int minor = WebKitGTK.webkit_minor_version (); int micro = WebKitGTK.webkit_micro_version (); System.out.println("WebKit version " + major + "." + minor + "." + micro); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ } JSClassDefinition jsClassDefinition = new JSClassDefinition (); byte[] bytes = Converter.wcsToMbcs (null, CLASSNAME_EXTERNAL, true); jsClassDefinition.className = C.malloc (bytes.length); OS.memmove (jsClassDefinition.className, bytes, bytes.length); jsClassDefinition.hasProperty = JSObjectHasPropertyProc.getAddress (); jsClassDefinition.getProperty = JSObjectGetPropertyProc.getAddress (); long /*int*/ classDefinitionPtr = C.malloc (JSClassDefinition.sizeof); WebKitGTK.memmove (classDefinitionPtr, jsClassDefinition, JSClassDefinition.sizeof); ExternalClass = WebKitGTK.JSClassCreate (classDefinitionPtr); bytes = Converter.wcsToMbcs (null, "POST", true); //$NON-NLS-1$ PostString = C.malloc (bytes.length); C.memmove (PostString, bytes, bytes.length); } scrolledWindow = OS.gtk_scrolled_window_new (0, 0); OS.gtk_scrolled_window_set_policy (scrolledWindow, OS.GTK_POLICY_AUTOMATIC, OS.GTK_POLICY_AUTOMATIC); webView = WebKitGTK.webkit_web_view_new (); webViewData = C.malloc (C.PTR_SIZEOF); C.memmove (webViewData, new long /*int*/[] {webView}, C.PTR_SIZEOF); OS.gtk_container_add (scrolledWindow, webView); OS.gtk_container_add (browser.handle, scrolledWindow); OS.gtk_widget_show (scrolledWindow); OS.gtk_widget_show (webView); OS.g_signal_connect (webView, WebKitGTK.close_web_view, Proc2.getAddress (), CLOSE_WEB_VIEW); OS.g_signal_connect (webView, WebKitGTK.console_message, Proc5.getAddress (), CONSOLE_MESSAGE); OS.g_signal_connect (webView, WebKitGTK.create_web_view, Proc3.getAddress (), CREATE_WEB_VIEW); OS.g_signal_connect (webView, WebKitGTK.download_requested, Proc3.getAddress (), DOWNLOAD_REQUESTED); OS.g_signal_connect (webView, WebKitGTK.hovering_over_link, Proc4.getAddress (), HOVERING_OVER_LINK); OS.g_signal_connect (webView, WebKitGTK.mime_type_policy_decision_requested, Proc6.getAddress (), MIME_TYPE_POLICY_DECISION_REQUESTED); OS.g_signal_connect (webView, WebKitGTK.navigation_policy_decision_requested, Proc6.getAddress (), NAVIGATION_POLICY_DECISION_REQUESTED); OS.g_signal_connect (webView, WebKitGTK.notify_load_status, Proc3.getAddress (), NOTIFY_LOAD_STATUS); OS.g_signal_connect (webView, WebKitGTK.notify_progress, Proc3.getAddress (), NOTIFY_PROGRESS); OS.g_signal_connect (webView, WebKitGTK.notify_title, Proc3.getAddress (), NOTIFY_TITLE); OS.g_signal_connect (webView, WebKitGTK.populate_popup, Proc3.getAddress (), POPULATE_POPUP); OS.g_signal_connect (webView, WebKitGTK.resource_request_starting, Proc6.getAddress (), RESOURCE_REQUEST_STARTING); OS.g_signal_connect (webView, WebKitGTK.status_bar_text_changed, Proc3.getAddress (), STATUS_BAR_TEXT_CHANGED); OS.g_signal_connect (webView, WebKitGTK.web_view_ready, Proc2.getAddress (), WEB_VIEW_READY); OS.g_signal_connect (webView, WebKitGTK.window_object_cleared, Proc5.getAddress (), WINDOW_OBJECT_CLEARED); /* Callback to get events before WebKit receives and consumes them */ OS.g_signal_connect (webView, OS.button_press_event, JSDOMEventProc.getAddress (), 0); OS.g_signal_connect (webView, OS.button_release_event, JSDOMEventProc.getAddress (), 0); OS.g_signal_connect (webView, OS.key_press_event, JSDOMEventProc.getAddress (), 0); OS.g_signal_connect (webView, OS.key_release_event, JSDOMEventProc.getAddress (), 0); OS.g_signal_connect (webView, OS.scroll_event, JSDOMEventProc.getAddress (), 0); OS.g_signal_connect (webView, OS.motion_notify_event, JSDOMEventProc.getAddress (), 0); /* * Callbacks to get the events not consumed by WebKit, and to block * them so that they don't get propagated to the parent handle twice. * This hook is set after WebKit and is therefore called after WebKit's * handler because GTK dispatches events in their order of registration. */ OS.g_signal_connect (scrolledWindow, OS.button_press_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); OS.g_signal_connect (scrolledWindow, OS.button_release_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); OS.g_signal_connect (scrolledWindow, OS.key_press_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); OS.g_signal_connect (scrolledWindow, OS.key_release_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); OS.g_signal_connect (scrolledWindow, OS.scroll_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); OS.g_signal_connect (scrolledWindow, OS.motion_notify_event, JSDOMEventProc.getAddress (), STOP_PROPOGATE); long /*int*/ settings = WebKitGTK.webkit_web_view_get_settings (webView); OS.g_object_set (settings, WebKitGTK.javascript_can_open_windows_automatically, 1, 0); OS.g_object_set (settings, WebKitGTK.enable_universal_access_from_file_uris, 1, 0); byte[] bytes = Converter.wcsToMbcs (null, "UTF-8", true); // $NON-NLS-1$ OS.g_object_set (settings, WebKitGTK.default_encoding, bytes, 0); Listener listener = new Listener () { public void handleEvent (Event event) { switch (event.type) { case SWT.Dispose: { /* make this handler run after other dispose listeners */ if (ignoreDispose) { ignoreDispose = false; break; } ignoreDispose = true; browser.notifyListeners (event.type, event); event.type = SWT.NONE; onDispose (event); break; } case SWT.FocusIn: { OS.gtk_widget_grab_focus (webView); break; } case SWT.Resize: { onResize (event); break; } } } }; browser.addListener (SWT.Dispose, listener); browser.addListener (SWT.FocusIn, listener); browser.addListener (SWT.KeyDown, listener); browser.addListener (SWT.Resize, listener); /* * Ensure that our Authenticate listener is at the front of the signal * queue by removing the default Authenticate listener, adding ours, * and then re-adding the default listener. */ long /*int*/ session = WebKitGTK.webkit_get_default_session (); long /*int*/ originalAuth = WebKitGTK.soup_session_get_feature (session, WebKitGTK.webkit_soup_auth_dialog_get_type ()); if (originalAuth != 0) { WebKitGTK.soup_session_feature_detach (originalAuth, session); } OS.g_signal_connect (session, WebKitGTK.authenticate, Proc5.getAddress (), webView); if (originalAuth != 0) { WebKitGTK.soup_session_feature_attach (originalAuth, session); } /* * Check for proxy values set as documented java properties and update the * session to use these values if needed. */ String proxyHost = System.getProperty (PROPERTY_PROXYHOST); String proxyPortString = System.getProperty (PROPERTY_PROXYPORT); int port = -1; if (proxyPortString != null) { try { int value = Integer.valueOf (proxyPortString).intValue (); if (0 <= value && value <= MAX_PORT) port = value; } catch (NumberFormatException e) { /* do nothing, java property has non-integer value */ } } if (proxyHost != null || port != -1) { if (!proxyHost.startsWith (PROTOCOL_HTTP)) { proxyHost = PROTOCOL_HTTP + proxyHost; } proxyHost += ":" + port; //$NON-NLS-1$ bytes = Converter.wcsToMbcs (null, proxyHost, true); long /*int*/ uri = WebKitGTK.soup_uri_new (bytes); if (uri != 0) { OS.g_object_set (session, WebKitGTK.SOUP_SESSION_PROXY_URI, uri, 0); WebKitGTK.soup_uri_free (uri); } } eventFunction = new BrowserFunction (browser, "HandleWebKitEvent") { //$NON-NLS-1$ public Object function(Object[] arguments) { return handleEventFromFunction (arguments) ? Boolean.TRUE : Boolean.FALSE; }; }; /* * Bug in WebKitGTK. MouseOver/MouseLeave events are not consistently sent from * the DOM when the mouse enters and exits the browser control, see * https://bugs.webkit.org/show_bug.cgi?id=35246. As a workaround for sending * MouseEnter/MouseExit events, swt's default mouse enter/exit mechanism is used, * but in order to do this the Browser's default sub-window check behavior must * be changed. */ browser.setData (KEY_CHECK_SUBWINDOW, Boolean.FALSE); /* * Bug in WebKitGTK. In WebKitGTK 1.10.x a crash can occur if an * attempt is made to show a browser before a size has been set on * it. The workaround is to temporarily give it a size that forces * the native resize events to fire. */ int major = WebKitGTK.webkit_major_version (); int minor = WebKitGTK.webkit_minor_version (); if (major == 1 && minor >= 10) { Rectangle minSize = browser.computeTrim (0, 0, 2, 2); Point size = browser.getSize (); size.x += minSize.width; size.y += minSize.height; browser.setSize (size); size.x -= minSize.width; size.y -= minSize.height; browser.setSize (size); } } void addEventHandlers (long /*int*/ web_view, boolean top) { /* * If JS is disabled (causes DOM events to not be delivered) then do not add event * listeners here, DOM events will be inferred from received GDK events instead. */ if (!jsEnabled) return; if (top && IsWebKit14orNewer) { long /*int*/ domDocument = WebKitGTK.webkit_web_view_get_dom_document (web_view); if (domDocument != 0) { WindowMappings.put (new LONG (domDocument), new LONG (web_view)); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.dragstart, JSDOMEventProc.getAddress (), 0, SWT.DragDetect); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.keydown, JSDOMEventProc.getAddress (), 0, SWT.KeyDown); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.keypress, JSDOMEventProc.getAddress (), 0, SENTINEL_KEYPRESS); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.keyup, JSDOMEventProc.getAddress (), 0, SWT.KeyUp); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.mousedown, JSDOMEventProc.getAddress (), 0, SWT.MouseDown); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.mousemove, JSDOMEventProc.getAddress (), 0, SWT.MouseMove); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.mouseup, JSDOMEventProc.getAddress (), 0, SWT.MouseUp); WebKitGTK.webkit_dom_event_target_add_event_listener (domDocument, WebKitGTK.mousewheel, JSDOMEventProc.getAddress (), 0, SWT.MouseWheel); /* * The following two lines are intentionally commented because they cannot be used to * consistently send MouseEnter/MouseExit events until https://bugs.webkit.org/show_bug.cgi?id=35246 * is fixed. */ //WebKitGTK.webkit_dom_event_target_add_event_listener (domWindow, WebKitGTK.mouseover, JSDOMEventProc.getAddress (), 0, SWT.MouseEnter); //WebKitGTK.webkit_dom_event_target_add_event_listener (domWindow, WebKitGTK.mouseout, JSDOMEventProc.getAddress (), 0, SWT.MouseExit); } return; } /* install the JS call-out to the registered BrowserFunction */ StringBuffer buffer = new StringBuffer ("window.SWTkeyhandler = function SWTkeyhandler(e) {"); //$NON-NLS-1$ buffer.append ("try {e.returnValue = HandleWebKitEvent(e.type, e.keyCode, e.charCode, e.altKey, e.ctrlKey, e.shiftKey, e.metaKey);} catch (e) {}};"); //$NON-NLS-1$ execute (buffer.toString ()); buffer = new StringBuffer ("window.SWTmousehandler = function SWTmousehandler(e) {"); //$NON-NLS-1$ buffer.append ("try {e.returnValue = HandleWebKitEvent(e.type, e.screenX, e.screenY, e.detail, e.button, e.altKey, e.ctrlKey, e.shiftKey, e.metaKey, e.relatedTarget != null);} catch (e) {}};"); //$NON-NLS-1$ execute (buffer.toString ()); if (top) { /* DOM API is not available, so add listener to top-level document */ buffer = new StringBuffer ("document.addEventListener('keydown', SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('keypress', SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('keyup', SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('mousedown', SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('mouseup', SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('mousemove', SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('mousewheel', SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("document.addEventListener('dragstart', SWTmousehandler, true);"); //$NON-NLS-1$ /* * The following two lines are intentionally commented because they cannot be used to * consistently send MouseEnter/MouseExit events until https://bugs.webkit.org/show_bug.cgi?id=35246 * is fixed. */ //buffer.append ("document.addEventListener('mouseover', SWTmousehandler, true);"); //$NON-NLS-1$ //buffer.append ("document.addEventListener('mouseout', SWTmousehandler, true);"); //$NON-NLS-1$ execute (buffer.toString ()); return; } /* add JS event listener in frames */ buffer = new StringBuffer ("for (var i = 0; i < frames.length; i++) {"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('keydown', window.SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('keypress', window.SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('keyup', window.SWTkeyhandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mousedown', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mouseup', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mousemove', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mouseover', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mouseout', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('mousewheel', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ("frames[i].document.addEventListener('dragstart', window.SWTmousehandler, true);"); //$NON-NLS-1$ buffer.append ('}'); execute (buffer.toString ()); } public boolean back () { if (WebKitGTK.webkit_web_view_can_go_back (webView) == 0) return false; WebKitGTK.webkit_web_view_go_back (webView); return true; } public boolean close () { return close (true); } boolean close (boolean showPrompters) { if (!jsEnabled) return true; String message1 = Compatibility.getMessage("SWT_OnBeforeUnload_Message1"); // $NON-NLS-1$ String message2 = Compatibility.getMessage("SWT_OnBeforeUnload_Message2"); // $NON-NLS-1$ String functionName = EXECUTE_ID + "CLOSE"; // $NON-NLS-1$ StringBuffer buffer = new StringBuffer ("function "); // $NON-NLS-1$ buffer.append (functionName); buffer.append ("(win) {\n"); // $NON-NLS-1$ buffer.append ("var fn = win.onbeforeunload; if (fn != null) {try {var str = fn(); "); // $NON-NLS-1$ if (showPrompters) { buffer.append ("if (str != null) { "); // $NON-NLS-1$ buffer.append ("var result = confirm('"); // $NON-NLS-1$ buffer.append (message1); buffer.append ("\\n\\n'+str+'\\n\\n"); // $NON-NLS-1$ buffer.append (message2); buffer.append ("');"); // $NON-NLS-1$ buffer.append ("if (!result) return false;}"); // $NON-NLS-1$ } buffer.append ("} catch (e) {}}"); // $NON-NLS-1$ buffer.append ("try {for (var i = 0; i < win.frames.length; i++) {var result = "); // $NON-NLS-1$ buffer.append (functionName); buffer.append ("(win.frames[i]); if (!result) return false;}} catch (e) {} return true;"); // $NON-NLS-1$ buffer.append ("\n};"); // $NON-NLS-1$ execute (buffer.toString ()); Boolean result = (Boolean)evaluate ("return " + functionName +"(window);"); // $NON-NLS-1$ // $NON-NLS-2$ if (result == null) return false; return result.booleanValue (); } public boolean execute (String script) { long /*int*/ frame = WebKitGTK.webkit_web_view_get_main_frame (webView); long /*int*/ context = WebKitGTK.webkit_web_frame_get_global_context (frame); byte[] bytes = null; try { bytes = (script + '\0').getBytes (CHARSET_UTF8); //$NON-NLS-1$ } catch (UnsupportedEncodingException e) { bytes = Converter.wcsToMbcs (null, script, true); } long /*int*/ scriptString = WebKitGTK.JSStringCreateWithUTF8CString (bytes); try { bytes = (getUrl () + '\0').getBytes (CHARSET_UTF8); //$NON-NLS-1$ } catch (UnsupportedEncodingException e) { bytes = Converter.wcsToMbcs (null, getUrl (), true); } long /*int*/ urlString = WebKitGTK.JSStringCreateWithUTF8CString (bytes); long /*int*/ result = WebKitGTK.JSEvaluateScript (context, scriptString, 0, urlString, 0, null); WebKitGTK.JSStringRelease (urlString); WebKitGTK.JSStringRelease (scriptString); return result != 0; } public boolean forward () { if (WebKitGTK.webkit_web_view_can_go_forward (webView) == 0) return false; WebKitGTK.webkit_web_view_go_forward (webView); return true; } public String getBrowserType () { return "webkit"; //$NON-NLS-1$ } public String getText () { long /*int*/ frame = WebKitGTK.webkit_web_view_get_main_frame (webView); long /*int*/ source = WebKitGTK.webkit_web_frame_get_data_source (frame); if (source == 0) return ""; //$NON-NLS-1$ long /*int*/ data = WebKitGTK.webkit_web_data_source_get_data (source); if (data == 0) return ""; //$NON-NLS-1$ long /*int*/ encoding = WebKitGTK.webkit_web_data_source_get_encoding (source); int length = OS.strlen (encoding); byte[] bytes = new byte [length]; OS.memmove (bytes, encoding, length); String encodingString = new String (Converter.mbcsToWcs (null, bytes)); length = OS.GString_len (data); bytes = new byte[length]; long /*int*/ string = OS.GString_str (data); C.memmove (bytes, string, length); try { return new String (bytes, encodingString); } catch (UnsupportedEncodingException e) { } return new String (Converter.mbcsToWcs (null, bytes)); } public String getUrl () { long /*int*/ uri = WebKitGTK.webkit_web_view_get_uri (webView); /* WebKit auto-navigates to about:blank at startup */ if (uri == 0) return ABOUT_BLANK; int length = OS.strlen (uri); byte[] bytes = new byte[length]; OS.memmove (bytes, uri, length); String url = new String (Converter.mbcsToWcs (null, bytes)); /* * If the URI indicates that the page is being rendered from memory * (via setText()) then set it to about:blank to be consistent with IE. */ if (url.equals (URI_FILEROOT)) { url = ABOUT_BLANK; } else { length = URI_FILEROOT.length (); if (url.startsWith (URI_FILEROOT) && url.charAt (length) == '#') { url = ABOUT_BLANK + url.substring (length); } } return url; } boolean handleDOMEvent (long /*int*/ event, int type) { /* * This method handles JS events that are received through the DOM * listener API that was introduced in WebKitGTK 1.4. */ String typeString = null; boolean isMouseEvent = false; switch (type) { case SWT.DragDetect: { typeString = "dragstart"; //$NON-NLS-1$ isMouseEvent = true; break; } case SWT.MouseDown: { typeString = "mousedown"; //$NON-NLS-1$ isMouseEvent = true; break; } case SWT.MouseMove: { typeString = "mousemove"; //$NON-NLS-1$ isMouseEvent = true; break; } case SWT.MouseUp: { typeString = "mouseup"; //$NON-NLS-1$ isMouseEvent = true; break; } case SWT.MouseWheel: { typeString = "mousewheel"; //$NON-NLS-1$ isMouseEvent = true; break; } case SWT.KeyDown: { typeString = "keydown"; //$NON-NLS-1$ break; } case SWT.KeyUp: { typeString = "keyup"; //$NON-NLS-1$ break; } case SENTINEL_KEYPRESS: { typeString = "keypress"; //$NON-NLS-1$ break; } } if (isMouseEvent) { int screenX = (int)WebKitGTK.webkit_dom_mouse_event_get_screen_x (event); int screenY = (int)WebKitGTK.webkit_dom_mouse_event_get_screen_y (event); int button = (int)WebKitGTK.webkit_dom_mouse_event_get_button (event) + 1; boolean altKey = WebKitGTK.webkit_dom_mouse_event_get_alt_key (event) != 0; boolean ctrlKey = WebKitGTK.webkit_dom_mouse_event_get_ctrl_key (event) != 0; boolean shiftKey = WebKitGTK.webkit_dom_mouse_event_get_shift_key (event) != 0; boolean metaKey = WebKitGTK.webkit_dom_mouse_event_get_meta_key (event) != 0; int detail = (int)WebKitGTK.webkit_dom_ui_event_get_detail (event); boolean hasRelatedTarget = false; //WebKitGTK.webkit_dom_mouse_event_get_related_target (event) != 0; return handleMouseEvent(typeString, screenX, screenY, detail, button, altKey, ctrlKey, shiftKey, metaKey, hasRelatedTarget); } /* key event */ int keyEventState = 0; long /*int*/ eventPtr = OS.gtk_get_current_event (); if (eventPtr != 0) { GdkEventKey gdkEvent = new GdkEventKey (); OS.memmove (gdkEvent, eventPtr, GdkEventKey.sizeof); switch (gdkEvent.type) { case OS.GDK_KEY_PRESS: case OS.GDK_KEY_RELEASE: keyEventState = gdkEvent.state; break; } OS.gdk_event_free (eventPtr); } int keyCode = (int)WebKitGTK.webkit_dom_ui_event_get_key_code (event); int charCode = (int)WebKitGTK.webkit_dom_ui_event_get_char_code (event); boolean altKey = (keyEventState & OS.GDK_MOD1_MASK) != 0; boolean ctrlKey = (keyEventState & OS.GDK_CONTROL_MASK) != 0; boolean shiftKey = (keyEventState & OS.GDK_SHIFT_MASK) != 0; return handleKeyEvent(typeString, keyCode, charCode, altKey, ctrlKey, shiftKey, false); } boolean handleEventFromFunction (Object[] arguments) { /* * Prior to WebKitGTK 1.4 there was no API for hooking DOM listeners. * As a workaround, eventFunction was introduced to capture JS events * and report them back to the java side. This method handles these * events by extracting their arguments and passing them to the * handleKeyEvent()/handleMouseEvent() event handler methods. */ /* * The arguments for key events are: * argument 0: type (String) * argument 1: keyCode (Double) * argument 2: charCode (Double) * argument 3: altKey (Boolean) * argument 4: ctrlKey (Boolean) * argument 5: shiftKey (Boolean) * argument 6: metaKey (Boolean) * returns doit * * The arguments for mouse events are: * argument 0: type (String) * argument 1: screenX (Double) * argument 2: screenY (Double) * argument 3: detail (Double) * argument 4: button (Double) * argument 5: altKey (Boolean) * argument 6: ctrlKey (Boolean) * argument 7: shiftKey (Boolean) * argument 8: metaKey (Boolean) * argument 9: hasRelatedTarget (Boolean) * returns doit */ String type = (String)arguments[0]; if (type.equals (DOMEVENT_KEYDOWN) || type.equals (DOMEVENT_KEYPRESS) || type.equals (DOMEVENT_KEYUP)) { return handleKeyEvent( type, ((Double)arguments[1]).intValue (), ((Double)arguments[2]).intValue (), ((Boolean)arguments[3]).booleanValue (), ((Boolean)arguments[4]).booleanValue (), ((Boolean)arguments[5]).booleanValue (), ((Boolean)arguments[6]).booleanValue ()); } return handleMouseEvent( type, ((Double)arguments[1]).intValue (), ((Double)arguments[2]).intValue (), ((Double)arguments[3]).intValue (), (arguments[4] != null ? ((Double)arguments[4]).intValue () : 0) + 1, ((Boolean)arguments[5]).booleanValue (), ((Boolean)arguments[6]).booleanValue (), ((Boolean)arguments[7]).booleanValue (), ((Boolean)arguments[8]).booleanValue (), ((Boolean)arguments[9]).booleanValue ()); } boolean handleKeyEvent (String type, int keyCode, int charCode, boolean altKey, boolean ctrlKey, boolean shiftKey, boolean metaKey) { if (type.equals (DOMEVENT_KEYDOWN)) { keyCode = translateKey (keyCode); lastKeyCode = keyCode; switch (keyCode) { case SWT.SHIFT: case SWT.CONTROL: case SWT.ALT: case SWT.CAPS_LOCK: case SWT.NUM_LOCK: case SWT.SCROLL_LOCK: case SWT.COMMAND: case SWT.ESC: case SWT.TAB: case SWT.PAUSE: case SWT.BS: case SWT.INSERT: case SWT.DEL: case SWT.HOME: case SWT.END: case SWT.PAGE_UP: case SWT.PAGE_DOWN: case SWT.ARROW_DOWN: case SWT.ARROW_UP: case SWT.ARROW_LEFT: case SWT.ARROW_RIGHT: case SWT.F1: case SWT.F2: case SWT.F3: case SWT.F4: case SWT.F5: case SWT.F6: case SWT.F7: case SWT.F8: case SWT.F9: case SWT.F10: case SWT.F11: case SWT.F12: { /* keypress events will not be received for these keys, so send KeyDowns for them now */ Event keyEvent = new Event (); keyEvent.widget = browser; keyEvent.type = type.equals (DOMEVENT_KEYDOWN) ? SWT.KeyDown : SWT.KeyUp; keyEvent.keyCode = keyCode; switch (keyCode) { case SWT.BS: keyEvent.character = SWT.BS; break; case SWT.DEL: keyEvent.character = SWT.DEL; break; case SWT.ESC: keyEvent.character = SWT.ESC; break; case SWT.TAB: keyEvent.character = SWT.TAB; break; } lastCharCode = keyEvent.character; keyEvent.stateMask = (altKey ? SWT.ALT : 0) | (ctrlKey ? SWT.CTRL : 0) | (shiftKey ? SWT.SHIFT : 0) | (metaKey ? SWT.COMMAND : 0); keyEvent.stateMask &= ~keyCode; /* remove current keydown if it's a state key */ final int stateMask = keyEvent.stateMask; if (!sendKeyEvent (keyEvent) || browser.isDisposed ()) return false; if (browser.isFocusControl ()) { if (keyCode == SWT.TAB && (stateMask & (SWT.CTRL | SWT.ALT)) == 0) { browser.getDisplay ().asyncExec (new Runnable () { public void run () { if (browser.isDisposed ()) return; if (browser.getDisplay ().getFocusControl () == null) { int traversal = (stateMask & SWT.SHIFT) != 0 ? SWT.TRAVERSE_TAB_PREVIOUS : SWT.TRAVERSE_TAB_NEXT; browser.traverse (traversal); } } }); } } break; } } return true; } if (type.equals (DOMEVENT_KEYPRESS)) { /* * if keydown could not determine a keycode for this key then it's a * key for which key events are not sent (eg.- the Windows key) */ if (lastKeyCode == 0) return true; lastCharCode = charCode; if (ctrlKey && (0 <= lastCharCode && lastCharCode <= 0x7F)) { if ('a' <= lastCharCode && lastCharCode <= 'z') lastCharCode -= 'a' - 'A'; if (64 <= lastCharCode && lastCharCode <= 95) lastCharCode -= 64; } Event keyEvent = new Event (); keyEvent.widget = browser; keyEvent.type = SWT.KeyDown; keyEvent.keyCode = lastKeyCode; keyEvent.character = (char)lastCharCode; keyEvent.stateMask = (altKey ? SWT.ALT : 0) | (ctrlKey ? SWT.CTRL : 0) | (shiftKey ? SWT.SHIFT : 0) | (metaKey ? SWT.COMMAND : 0); return sendKeyEvent (keyEvent) && !browser.isDisposed (); } /* keyup */ keyCode = translateKey (keyCode); if (keyCode == 0) { /* indicates a key for which key events are not sent */ return true; } if (keyCode != lastKeyCode) { /* keyup does not correspond to the last keydown */ lastKeyCode = keyCode; lastCharCode = 0; } Event keyEvent = new Event (); keyEvent.widget = browser; keyEvent.type = SWT.KeyUp; keyEvent.keyCode = lastKeyCode; keyEvent.character = (char)lastCharCode; keyEvent.stateMask = (altKey ? SWT.ALT : 0) | (ctrlKey ? SWT.CTRL : 0) | (shiftKey ? SWT.SHIFT : 0) | (metaKey ? SWT.COMMAND : 0); switch (lastKeyCode) { case SWT.SHIFT: case SWT.CONTROL: case SWT.ALT: case SWT.COMMAND: { keyEvent.stateMask |= lastKeyCode; } } browser.notifyListeners (keyEvent.type, keyEvent); lastKeyCode = lastCharCode = 0; return keyEvent.doit && !browser.isDisposed (); } boolean handleMouseEvent (String type, int screenX, int screenY, int detail, int button, boolean altKey, boolean ctrlKey, boolean shiftKey, boolean metaKey, boolean hasRelatedTarget) { /* * MouseOver and MouseOut events are fired any time the mouse enters or exits * any element within the Browser. To ensure that SWT events are only * fired for mouse movements into or out of the Browser, do not fire an * event if there is a related target element. */ /* * The following is intentionally commented because MouseOver and MouseOut events * are not being hooked until https://bugs.webkit.org/show_bug.cgi?id=35246 is fixed. */ //if (type.equals (DOMEVENT_MOUSEOVER) || type.equals (DOMEVENT_MOUSEOUT)) { // if (((Boolean)arguments[9]).booleanValue ()) return true; //} /* * The position of mouse events is received in screen-relative coordinates * in order to handle pages with frames, since frames express their event * coordinates relative to themselves rather than relative to their top- * level page. Convert screen-relative coordinates to be browser-relative. */ Point position = new Point (screenX, screenY); position = browser.getDisplay ().map (null, browser, position); Event mouseEvent = new Event (); mouseEvent.widget = browser; mouseEvent.x = position.x; mouseEvent.y = position.y; int mask = (altKey ? SWT.ALT : 0) | (ctrlKey ? SWT.CTRL : 0) | (shiftKey ? SWT.SHIFT : 0) | (metaKey ? SWT.COMMAND : 0); mouseEvent.stateMask = mask; if (type.equals (DOMEVENT_MOUSEDOWN)) { mouseEvent.type = SWT.MouseDown; mouseEvent.count = detail; mouseEvent.button = button; browser.notifyListeners (mouseEvent.type, mouseEvent); if (browser.isDisposed ()) return true; if (detail == 2) { mouseEvent = new Event (); mouseEvent.type = SWT.MouseDoubleClick; mouseEvent.widget = browser; mouseEvent.x = position.x; mouseEvent.y = position.y; mouseEvent.stateMask = mask; mouseEvent.count = detail; mouseEvent.button = button; browser.notifyListeners (mouseEvent.type, mouseEvent); } return true; } if (type.equals (DOMEVENT_MOUSEUP)) { mouseEvent.type = SWT.MouseUp; mouseEvent.count = detail; mouseEvent.button = button; } else if (type.equals (DOMEVENT_MOUSEMOVE)) { mouseEvent.type = SWT.MouseMove; } else if (type.equals (DOMEVENT_MOUSEWHEEL)) { mouseEvent.type = SWT.MouseWheel; mouseEvent.count = detail; /* * The following is intentionally commented because MouseOver and MouseOut events * are not being hooked until https://bugs.webkit.org/show_bug.cgi?id=35246 is fixed. */ //} else if (type.equals (DOMEVENT_MOUSEOVER)) { // mouseEvent.type = SWT.MouseEnter; //} else if (type.equals (DOMEVENT_MOUSEOUT)) { // mouseEvent.type = SWT.MouseExit; } else if (type.equals (DOMEVENT_DRAGSTART)) { mouseEvent.type = SWT.DragDetect; mouseEvent.button = button; switch (mouseEvent.button) { case 1: mouseEvent.stateMask |= SWT.BUTTON1; break; case 2: mouseEvent.stateMask |= SWT.BUTTON2; break; case 3: mouseEvent.stateMask |= SWT.BUTTON3; break; case 4: mouseEvent.stateMask |= SWT.BUTTON4; break; case 5: mouseEvent.stateMask |= SWT.BUTTON5; break; } /* * Bug in WebKitGTK 1.2.x. Dragging an image quickly and repeatedly can * cause WebKitGTK to take the mouse grab indefinitely and lock up the * display, see https://bugs.webkit.org/show_bug.cgi?id=32840. The * workaround is to veto all drag attempts if using WebKitGTK 1.2.x. */ if (!IsWebKit14orNewer) { browser.notifyListeners (mouseEvent.type, mouseEvent); return false; } } browser.notifyListeners (mouseEvent.type, mouseEvent); return true; } long /*int*/ handleLoadCommitted (long /*int*/ uri, boolean top) { int length = OS.strlen (uri); byte[] bytes = new byte[length]; OS.memmove (bytes, uri, length); String url = new String (Converter.mbcsToWcs (null, bytes)); /* * If the URI indicates that the page is being rendered from memory * (via setText()) then set it to about:blank to be consistent with IE. */ if (url.equals (URI_FILEROOT)) { url = ABOUT_BLANK; } else { length = URI_FILEROOT.length (); if (url.startsWith (URI_FILEROOT) && url.charAt (length) == '#') { url = ABOUT_BLANK + url.substring (length); } } /* * Each invocation of setText() causes webkit_notify_load_status to be invoked * twice, once for the initial navigate to about:blank, and once for the auto-navigate * to about:blank that WebKit does when webkit_web_view_load_string is invoked. If * this is the first webkit_notify_load_status callback received for a setText() * invocation then do not send any events or re-install registered BrowserFunctions. */ if (top && url.startsWith(ABOUT_BLANK) && htmlBytes != null) return 0; LocationEvent event = new LocationEvent (browser); event.display = browser.getDisplay (); event.widget = browser; event.location = url; event.top = top; for (int i = 0; i < locationListeners.length; i++) { locationListeners[i].changed (event); } return 0; } long /*int*/ handleLoadFinished (long /*int*/ uri, boolean top) { int length = OS.strlen (uri); byte[] bytes = new byte[length]; OS.memmove (bytes, uri, length); String url = new String (Converter.mbcsToWcs (null, bytes)); /* * If the URI indicates that the page is being rendered from memory * (via setText()) then set it to about:blank to be consistent with IE. */ if (url.equals (URI_FILEROOT)) { url = ABOUT_BLANK; } else { length = URI_FILEROOT.length (); if (url.startsWith (URI_FILEROOT) && url.charAt (length) == '#') { url = ABOUT_BLANK + url.substring (length); } } /* * If htmlBytes is not null then there is html from a previous setText() call * waiting to be set into the about:blank page once it has completed loading. */ if (top && htmlBytes != null) { if (url.startsWith(ABOUT_BLANK)) { loadingText = true; byte[] mimeType = Converter.wcsToMbcs (null, "text/html", true); //$NON-NLS-1$ byte[] encoding = Converter.wcsToMbcs (null, CHARSET_UTF8, true); //$NON-NLS-1$ byte[] uriBytes; if (untrustedText) { uriBytes = Converter.wcsToMbcs (null, ABOUT_BLANK, true); } else { uriBytes = Converter.wcsToMbcs (null, URI_FILEROOT, true); } WebKitGTK.webkit_web_view_load_string (webView, htmlBytes, mimeType, encoding, uriBytes); htmlBytes = null; } } /* * The webkit_web_view_load_string() invocation above will trigger a second * webkit_web_view_load_string callback when it is completed. Wait for this * second callback to come before sending the title or completed events. */ if (!loadingText) { /* * To be consistent with other platforms a title event should be fired * when a top-level page has completed loading. A page with a