| /******************************************************************************* |
| * Copyright (c) 2003, 2008 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 org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| |
| /** |
| * Instances of this class implement the browser user interface |
| * metaphor. It allows the user to visualize and navigate through |
| * HTML documents. |
| * <p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to set a layout on it. |
| * </p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>MOZILLA</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>CloseWindowListener, LocationListener, OpenWindowListener, ProgressListener, StatusTextListener, TitleListener, VisibilityWindowListener</dd> |
| * </dl> |
| * <p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#browser">Browser snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Examples: ControlExample, BrowserExample</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * |
| * @since 3.0 |
| */ |
| |
| public class Browser extends Composite { |
| WebBrowser webBrowser; |
| int userStyle; |
| |
| static final String PACKAGE_PREFIX = "org.eclipse.swt.browser."; //$NON-NLS-1$ |
| static final String NO_INPUT_METHOD = "org.eclipse.swt.internal.gtk.noInputMethod"; //$NON-NLS-1$ |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * and a style value describing its behavior and appearance. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a widget which will be the parent of the new instance (cannot be null) |
| * @param style the style of widget to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * </ul> |
| * @exception SWTError <ul> |
| * <li>ERROR_NO_HANDLES if a handle could not be obtained for browser creation</li> |
| * </ul> |
| * |
| * @see Widget#getStyle |
| * |
| * @since 3.0 |
| */ |
| public Browser (Composite parent, int style) { |
| super (checkParent (parent), checkStyle (style)); |
| userStyle = style; |
| |
| String platform = SWT.getPlatform (); |
| Display display = parent.getDisplay (); |
| if ("gtk".equals (platform)) display.setData (NO_INPUT_METHOD, null); //$NON-NLS-1$ |
| String className = null; |
| if ((style & SWT.MOZILLA) != 0) { |
| className = "org.eclipse.swt.browser.Mozilla"; //$NON-NLS-1$ |
| } else { |
| if ("win32".equals (platform) || "wpf".equals (platform)) { //$NON-NLS-1$ $NON-NLS-2$ |
| className = "org.eclipse.swt.browser.IE"; //$NON-NLS-1$ |
| } else if ("motif".equals (platform)) { //$NON-NLS-1$ |
| className = "org.eclipse.swt.browser.Mozilla"; //$NON-NLS-1$ |
| } else if ("gtk".equals (platform)) { //$NON-NLS-1$ |
| className = "org.eclipse.swt.browser.Mozilla"; //$NON-NLS-1$ |
| } else if ("carbon".equals (platform) || "cocoa".equals (platform)) { //$NON-NLS-1$ |
| className = "org.eclipse.swt.browser.Safari"; //$NON-NLS-1$ |
| } else if ("photon".equals (platform)) { //$NON-NLS-1$ |
| className = "org.eclipse.swt.browser.Voyager"; //$NON-NLS-1$ |
| } else { |
| dispose (); |
| SWT.error (SWT.ERROR_NO_HANDLES); |
| } |
| } |
| |
| try { |
| Class clazz = Class.forName (className); |
| webBrowser = (WebBrowser)clazz.newInstance (); |
| } catch (ClassNotFoundException e) { |
| } catch (IllegalAccessException e) { |
| } catch (InstantiationException e) { |
| } |
| if (webBrowser == null) { |
| dispose (); |
| SWT.error (SWT.ERROR_NO_HANDLES); |
| } |
| |
| webBrowser.setBrowser (this); |
| webBrowser.create (parent, style); |
| } |
| |
| static Composite checkParent (Composite parent) { |
| String platform = SWT.getPlatform (); |
| if (!"gtk".equals (platform)) return parent; //$NON-NLS-1$ |
| |
| /* |
| * Note. Mozilla provides all IM support needed for text input in web pages. |
| * If SWT creates another input method context for the widget it will cause |
| * indeterminate results to happen (hangs and crashes). The fix is to prevent |
| * SWT from creating an input method context for the Browser widget. |
| */ |
| if (parent != null && !parent.isDisposed ()) { |
| Display display = parent.getDisplay (); |
| if (display != null) { |
| if (display.getThread () == Thread.currentThread ()) { |
| display.setData (NO_INPUT_METHOD, "true"); //$NON-NLS-1$ |
| } |
| } |
| } |
| return parent; |
| } |
| |
| static int checkStyle(int style) { |
| String platform = SWT.getPlatform (); |
| if ((style & SWT.MOZILLA) != 0) { |
| if ("carbon".equals (platform)) return style | SWT.EMBEDDED; //$NON-NLS-1$ |
| if ("motif".equals (platform)) return style | SWT.EMBEDDED; //$NON-NLS-1$ |
| return style; |
| } |
| |
| if ("win32".equals (platform)) { //$NON-NLS-1$ |
| /* |
| * For IE on win32 the border is supplied by the embedded browser, so remove |
| * the style so that the parent Composite will not draw a second border. |
| */ |
| return style & ~SWT.BORDER; |
| } else if ("motif".equals (platform)) { //$NON-NLS-1$ |
| return style | SWT.EMBEDDED; |
| } |
| return style; |
| } |
| |
| /** |
| * Clears all session cookies from all current Browser instances. |
| * |
| * @since 3.2 |
| */ |
| public static void clearSessions () { |
| WebBrowser.clearSessions (); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when the window hosting the receiver should be closed. |
| * <p> |
| * This notification occurs when a javascript command such as |
| * <code>window.close</code> gets executed by a <code>Browser</code>. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addCloseWindowListener (CloseWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addCloseWindowListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when the current location has changed or is about to change. |
| * <p> |
| * This notification typically occurs when the application navigates |
| * to a new location with {@link #setUrl(String)} or when the user |
| * activates a hyperlink. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addLocationListener (LocationListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addLocationListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when a new window needs to be created. |
| * <p> |
| * This notification occurs when a javascript command such as |
| * <code>window.open</code> gets executed by a <code>Browser</code>. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addOpenWindowListener (OpenWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addOpenWindowListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when a progress is made during the loading of the current |
| * URL or when the loading of the current URL has been completed. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addProgressListener (ProgressListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addProgressListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when the status text is changed. |
| * <p> |
| * The status text is typically displayed in the status bar of |
| * a browser application. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addStatusTextListener (StatusTextListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addStatusTextListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when the title of the current document is available |
| * or has changed. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addTitleListener (TitleListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addTitleListener (listener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will be |
| * notified when a window hosting the receiver needs to be displayed |
| * or hidden. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void addVisibilityWindowListener (VisibilityWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.addVisibilityWindowListener (listener); |
| } |
| |
| /** |
| * Navigate to the previous session history item. |
| * |
| * @return <code>true</code> if the operation was successful and <code>false</code> otherwise |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @see #forward |
| * |
| * @since 3.0 |
| */ |
| public boolean back () { |
| checkWidget(); |
| return webBrowser.back (); |
| } |
| |
| protected void checkSubclass () { |
| String name = getClass ().getName (); |
| int index = name.lastIndexOf ('.'); |
| if (!name.substring (0, index + 1).equals (PACKAGE_PREFIX)) { |
| SWT.error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| } |
| |
| /** |
| * Execute the specified script. |
| * |
| * <p> |
| * Execute a script containing javascript commands in the context of the current document. |
| * |
| * @param script the script with javascript commands |
| * |
| * @return <code>true</code> if the operation was successful and <code>false</code> otherwise |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the script is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public boolean execute (String script) { |
| checkWidget(); |
| if (script == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| return webBrowser.execute (script); |
| } |
| |
| /** |
| * Navigate to the next session history item. |
| * |
| * @return <code>true</code> if the operation was successful and <code>false</code> otherwise |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @see #back |
| * |
| * @since 3.0 |
| */ |
| public boolean forward () { |
| checkWidget(); |
| return webBrowser.forward (); |
| } |
| |
| public int getStyle () { |
| /* |
| * If SWT.BORDER was specified at creation time then getStyle() should answer |
| * it even though it is removed for IE on win32 in checkStyle(). |
| */ |
| return super.getStyle () | (userStyle & SWT.BORDER); |
| } |
| |
| /** |
| * Returns a string with HTML that represents the content of the current page. |
| * |
| * @return HTML representing the current page or an empty <code>String</code> |
| * if this is empty |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.4 |
| */ |
| public String getText () { |
| checkWidget(); |
| return webBrowser.getText (); |
| } |
| |
| /** |
| * Returns the current URL. |
| * |
| * @return the current URL or an empty <code>String</code> if there is no current URL |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @see #setUrl |
| * |
| * @since 3.0 |
| */ |
| public String getUrl () { |
| checkWidget(); |
| return webBrowser.getUrl (); |
| } |
| |
| /** |
| * Returns the JavaXPCOM <code>nsIWebBrowser</code> for the receiver, or <code>null</code> |
| * if it is not available. In order for an <code>nsIWebBrowser</code> to be returned all |
| * of the following must be true: <ul> |
| * <li>the receiver's style must be <code>SWT.MOZILLA</code></li> |
| * <li>the classes from JavaXPCOM >= 1.8.1.2 must be resolvable at runtime</li> |
| * <li>the version of the underlying XULRunner must be >= 1.8.1.2</li> |
| * </ul> |
| * |
| * @return the receiver's JavaXPCOM <code>nsIWebBrowser</code> or <code>null</code> |
| * |
| * @since 3.3 |
| */ |
| public Object getWebBrowser () { |
| checkWidget(); |
| return webBrowser.getWebBrowser (); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver can navigate to the |
| * previous session history item, and <code>false</code> otherwise. |
| * |
| * @return the receiver's back command enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #back |
| */ |
| public boolean isBackEnabled () { |
| checkWidget(); |
| return webBrowser.isBackEnabled (); |
| } |
| |
| public boolean isFocusControl () { |
| checkWidget(); |
| if (webBrowser.isFocusControl ()) return true; |
| return super.isFocusControl (); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver can navigate to the |
| * next session history item, and <code>false</code> otherwise. |
| * |
| * @return the receiver's forward command enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #forward |
| */ |
| public boolean isForwardEnabled () { |
| checkWidget(); |
| return webBrowser.isForwardEnabled (); |
| } |
| |
| /** |
| * Refresh the current page. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void refresh () { |
| checkWidget(); |
| webBrowser.refresh (); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the window hosting the receiver should be closed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeCloseWindowListener (CloseWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeCloseWindowListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the current location is changed or about to be changed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeLocationListener (LocationListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeLocationListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when a new window needs to be created. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeOpenWindowListener (OpenWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeOpenWindowListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when a progress is made during the loading of the current |
| * URL or when the loading of the current URL has been completed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeProgressListener (ProgressListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeProgressListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the status text is changed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeStatusTextListener (StatusTextListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeStatusTextListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the title of the current document is available |
| * or has changed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeTitleListener (TitleListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeTitleListener (listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when a window hosting the receiver needs to be displayed |
| * or hidden. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void removeVisibilityWindowListener (VisibilityWindowListener listener) { |
| checkWidget(); |
| if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| webBrowser.removeVisibilityWindowListener (listener); |
| } |
| |
| /** |
| * Renders HTML. |
| * |
| * <p> |
| * The html parameter is Unicode encoded since it is a java <code>String</code>. |
| * As a result, the HTML meta tag charset should not be set. The charset is implied |
| * by the <code>String</code> itself. |
| * |
| * @param html the HTML content to be rendered |
| * |
| * @return true if the operation was successful and false otherwise. |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the html is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @see #setUrl |
| * |
| * @since 3.0 |
| */ |
| public boolean setText (String html) { |
| checkWidget(); |
| if (html == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| return webBrowser.setText (html); |
| } |
| |
| /** |
| * Loads a URL. |
| * |
| * @param url the URL to be loaded |
| * |
| * @return true if the operation was successful and false otherwise. |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the url is null</li> |
| * </ul> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @see #getUrl |
| * |
| * @since 3.0 |
| */ |
| public boolean setUrl (String url) { |
| checkWidget(); |
| if (url == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| String[] headers = null; |
| String value = System.getProperty ("org.eclipse.swt.browser.Browser"); |
| if (value != null && value.equals ("no-cache")) { |
| headers = new String[] {"Cache-Control: no-cache"}; |
| } |
| return webBrowser.setUrl (url, null, headers); |
| } |
| |
| /** |
| * Stop any loading and rendering activity. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void stop () { |
| checkWidget(); |
| webBrowser.stop (); |
| } |
| } |