/*
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and above are dual-licensed
* under the Eclipse Public License (EPL), which is available at
* http://www.eclipse.org/legal/epl-v10.html and the GNU Lesser General Public
* License (LGPL), which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors: XMind Ltd. - initial API and implementation
*/
package org.xmind.ui.internal.browser;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.CloseWindowListener;
import org.eclipse.swt.browser.LocationEvent;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.browser.OpenWindowListener;
import org.eclipse.swt.browser.ProgressEvent;
import org.eclipse.swt.browser.ProgressListener;
import org.eclipse.swt.browser.StatusTextEvent;
import org.eclipse.swt.browser.StatusTextListener;
import org.eclipse.swt.browser.TitleEvent;
import org.eclipse.swt.browser.TitleListener;
import org.eclipse.swt.browser.VisibilityWindowListener;
import org.eclipse.swt.browser.WindowEvent;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.PartInitException;
import org.xmind.ui.animation.AnimationViewer;
import org.xmind.ui.animation.IAnimationContentProvider;
import org.xmind.ui.browser.BrowserSupport;
import org.xmind.ui.browser.IBrowser;
import org.xmind.ui.browser.IBrowserSupport;
import org.xmind.ui.browser.IBrowserViewer;
import org.xmind.ui.browser.IBrowserViewerContainer;
import org.xmind.ui.browser.IBrowserViewerContribution;
import org.xmind.ui.browser.IBrowserViewerContribution2;
import org.xmind.ui.browser.IPropertyChangingListener;
import org.xmind.ui.browser.PropertyChangingEvent;
import org.xmind.ui.viewers.ImageCachedLabelProvider;
/**
* A viewer implementing a web browser. It provides an embeded SWT Browser
* widget with an optional toolbar consisting of a URL combo box, back & forward
* buttons, a refresh button and a home logo.
*/
public class BrowserViewer implements IBrowserViewer {
private static Object DEFAULT_BUSY_PICTURES = null;
private static class BusyIndicatorContentProvider
extends ArrayContentProvider implements IAnimationContentProvider {
public long getDuration(Object element) {
return SWT.DEFAULT; // use default duration
}
public Object getStaticElement(Object inputElement, Object[] elements) {
return elements[0];
}
}
private static class BusyIndicatorLabelProvider
extends ImageCachedLabelProvider {
protected Image createImage(Object element) {
if (element instanceof ImageDescriptor) {
ImageDescriptor desc = (ImageDescriptor) element;
return desc.createImage(false);
}
return null;
}
}
private class OpenInExternalAction extends Action {
public OpenInExternalAction() {
super(BrowserMessages.BrowserView_OpenInExternalBrowser_text,
BrowserImages.getImageDescriptor(BrowserImages.BROWSER));
setToolTipText(
BrowserMessages.BrowserView_OpenInExternalBrowser_toolTip);
}
public void run() {
IBrowser browser = BrowserSupport.getInstance()
.createBrowser(IBrowserSupport.AS_EXTERNAL);
try {
browser.openURL(getURL());
} catch (PartInitException e) {
BrowserPlugin.log(e);
}
}
}
private class BackAction extends Action {
public BackAction() {
super(BrowserMessages.BrowserViewer_PrevPage_toolTip, BrowserImages
.getImageDescriptor(BrowserImages.BACKWARD, true));
setToolTipText(BrowserMessages.BrowserViewer_PrevPage_toolTip);
setDisabledImageDescriptor(BrowserImages
.getImageDescriptor(BrowserImages.BACKWARD, false));
}
public void run() {
back();
}
}
private class ForwardAction extends Action {
public ForwardAction() {
super(BrowserMessages.BrowserViewer_NextPage_toolTip, BrowserImages
.getImageDescriptor(BrowserImages.FORWARD, true));
setToolTipText(BrowserMessages.BrowserViewer_NextPage_toolTip);
setDisabledImageDescriptor(BrowserImages
.getImageDescriptor(BrowserImages.FORWARD, false));
}
public void run() {
forward();
}
}
private class StopRefreshAction extends Action {
private boolean stop = false;
public StopRefreshAction() {
setRefresh();
}
public void setStop() {
stop = true;
setText(BrowserMessages.BrowserViewer_Stop_toolTip);
setToolTipText(BrowserMessages.BrowserViewer_Stop_toolTip);
setImageDescriptor(
BrowserImages.getImageDescriptor(BrowserImages.STOP, true));
setDisabledImageDescriptor(BrowserImages
.getImageDescriptor(BrowserImages.STOP, false));
}
public void setRefresh() {
stop = false;
setText(BrowserMessages.BrowserViewer_Refresh_toolTip);
setToolTipText(BrowserMessages.BrowserViewer_Refresh_toolTip);
setImageDescriptor(BrowserImages
.getImageDescriptor(BrowserImages.REFRESH, true));
setDisabledImageDescriptor(BrowserImages
.getImageDescriptor(BrowserImages.REFRESH, false));
}
public void run() {
if (stop) {
stop();
} else {
refresh();
}
}
}
protected class BrowserListener implements LocationListener,
OpenWindowListener, VisibilityWindowListener, CloseWindowListener,
ProgressListener, TitleListener, StatusTextListener {
private String locationText;
private String titleText;
private String statusText;
public void hook(Browser browser) {
browser.addLocationListener(this);
browser.addOpenWindowListener(this);
browser.addVisibilityWindowListener(this);
browser.addCloseWindowListener(this);
browser.addProgressListener(this);
browser.addTitleListener(this);
browser.addStatusTextListener(this);
}
public void unhook(Browser browser) {
browser.removeLocationListener(this);
browser.removeOpenWindowListener(this);
browser.removeVisibilityWindowListener(this);
browser.removeCloseWindowListener(this);
browser.removeProgressListener(this);
browser.removeTitleListener(this);
browser.removeStatusTextListener(this);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.LocationListener#changed(org.eclipse.swt.
* browser.LocationEvent)
*/
public void changed(LocationEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (!event.top)
return;
if (!"about:blank".equals(event.location)) { //$NON-NLS-1$
String oldLocation = locationText;
locationText = event.location;
if (location != null) {
location.setText(event.location);
}
addToHistory(event.location);
updateHistory();
firePropertyChangeEvent(PROPERTY_LOCATION, oldLocation,
event.location);
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.LocationListener#changing(org.eclipse.swt
* .browser.LocationEvent)
*/
public void changing(LocationEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (!"about:blank".equals(event.location)) { //$NON-NLS-1$
event.doit = firePropertyChangingEvent(PROPERTY_LOCATION,
locationText, event.location, event.doit);
if (event.doit && redirect) {
event.location = makeRedirectUrl(event.location);
}
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.swt.browser.OpenWindowListener#open(org.eclipse.swt.
* browser .WindowEvent)
*/
public void open(WindowEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (container != null) {
event.browser = container.openNewBrowser();
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.VisibilityWindowListener#hide(org.eclipse
* .swt.browser.WindowEvent)
*/
public void hide(WindowEvent event) {
// do nothing
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.VisibilityWindowListener#show(org.eclipse
* .swt.browser.WindowEvent)
*/
public void show(WindowEvent event) {
// if (event.widget == browser) {
// if (composite.getParent() instanceof Shell) {
// Shell shell = (Shell) composite.getParent();
// if (event.location != null)
// shell.setLocation(event.location);
// if (event.size != null)
// shell.setSize(shell.computeSize(event.size.x,
// event.size.y));
// shell.open();
// }
// }
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.CloseWindowListener#close(org.eclipse.swt
* .browser.WindowEvent)
*/
public void close(WindowEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (container != null) {
container.close();
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.ProgressListener#changed(org.eclipse.swt.
* browser.ProgressEvent)
*/
public void changed(ProgressEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (event.total == 0)
return;
boolean done = (event.current == event.total);
int percentProgress = event.current * 100 / event.total;
if (container != null) {
IProgressMonitor monitor = container.getActionBars()
.getStatusLineManager().getProgressMonitor();
if (done) {
monitor.done();
progressWorked = 0;
} else if (progressWorked == 0) {
monitor.beginTask("", event.total); //$NON-NLS-1$
progressWorked = percentProgress;
} else {
monitor.worked(event.current - progressWorked);
progressWorked = event.current;
}
}
if (homeBusy != null) {
if (!homeBusy.isAnimating() && !done)
setLoading(true);
else if (homeBusy.isAnimating() && done) // once the progress hits
// 100 percent, done, set
// busy to false
setLoading(false);
}
updateBackNextBusy();
updateHistory();
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.ProgressListener#completed(org.eclipse.swt
* .browser.ProgressEvent)
*/
public void completed(ProgressEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
if (container != null) {
IProgressMonitor monitor = container.getActionBars()
.getStatusLineManager().getProgressMonitor();
monitor.done();
}
setLoading(false);
updateBackNextBusy();
updateHistory();
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.TitleListener#changed(org.eclipse.swt.browser
* .TitleEvent)
*/
public void changed(TitleEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
String oldTitle = titleText;
titleText = event.title;
firePropertyChangeEvent(PROPERTY_TITLE, oldTitle, titleText);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.browser.StatusTextListener#changed(org.eclipse.swt
* .browser.StatusTextEvent)
*/
public void changed(StatusTextEvent event) {
if (getControl() == null || getControl().isDisposed())
return;
boolean doit = true;
String oldStatus = statusText;
if (!firePropertyChangingEvent(PROPERTY_STATUS, oldStatus,
event.text, doit)) {
event.text = ""; //$NON-NLS-1$
}
if (container != null) {
IStatusLineManager status = container.getActionBars()
.getStatusLineManager();
status.setMessage(event.text);
}
statusText = event.text;
firePropertyChangeEvent(PROPERTY_STATUS, oldStatus, statusText);
}
}
private static final int MAX_HISTORY = 50;
private static final String URL_HOME = "http://www.xmind.net"; //$NON-NLS-1$
private static List<String> URL_HISTORY;
private Composite composite;
private boolean mozilla;
private Clipboard clipboard;
private Composite toolBar;
private ToolBarManager actionBar;
private Combo location;
private AnimationViewer homeBusy;
private boolean loading;
private Composite browserContainer;
private Browser browser;
// private Browser alternateBrowser;
private BrowserListener browserListener;
private BrowserErrorText errorText;
// private boolean newWindow;
private IBrowserViewerContainer container;
private int progressWorked = 0;
private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
this);
private BackAction backAction;
private ForwardAction forwardAction;
private StopRefreshAction stopRefreshAction;
private boolean redirect = true;
private int style = 0;
private Label description;
public BrowserViewer(Composite parent, int style) {
this(parent, style, null);
}
public BrowserViewer(Composite parent, int style,
IBrowserViewerContainer container) {
this.style = style;
this.container = container;
this.composite = new Composite(parent, style);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
layout.horizontalSpacing = 0;
layout.verticalSpacing = 0;
layout.numColumns = 1;
this.composite.setLayout(layout);
this.composite
.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
createContents(this.composite);
hookControl(this.composite);
}
public int getStyle() {
return style;
}
Label getDescriptionLabel() {
return description;
}
protected void hookControl(Control control) {
control.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
handleDispose();
}
});
for (IBrowserViewerContribution contribution : BrowserContributionManager
.getInstance().getContributions()) {
if (contribution instanceof IBrowserViewerContribution2) {
((IBrowserViewerContribution2) contribution)
.installBrowserListeners(this);
}
}
}
protected void createContents(Composite parent) {
clipboard = new Clipboard(parent.getDisplay());
createToolBar(parent);
createBrowser(parent);
updateWithStyle();
updateHistory();
updateBackNextBusy();
// if (browserContainer != null) {
// } else {
// errorText.getControl().setLayoutData(
// new GridData(SWT.FILL, SWT.FILL, true, true));
// }
// addBrowserListeners(browser);
}
protected void createToolBar(Composite parent) {
toolBar = new Composite(parent, SWT.NONE);
GridLayout toolbarLayout = new GridLayout();
toolbarLayout.marginHeight = 2;
toolbarLayout.marginWidth = 2;
toolbarLayout.horizontalSpacing = 5;
toolbarLayout.verticalSpacing = 0;
toolBar.setLayout(toolbarLayout);
toolBar.setLayoutData(
new GridData(SWT.FILL, SWT.BEGINNING, true, false));
createActionBar(toolBar);
createLocationBar(toolBar);
//forbid extra contributions, such as SearchBoxContribution
//if accept in the future, we can delete browserViewerContributions extension about search box.
// createExtraContributions(toolBar);
createHomeBusyIndicator(toolBar);
toolbarLayout.numColumns = toolBar.getChildren().length;
}
// private void createExtraContributions(final Composite toolbarContainer) {
// ContributionManager manager = new ContributionManager() {
// public void update(boolean force) {
// if ((style & IBrowserSupport.NO_EXTRA_CONTRIBUTIONS) == 0) {
// for (IContributionItem item : getItems()) {
// item.fill(toolbarContainer);
// }
// }
// }
// };
// for (IBrowserViewerContribution contribution : BrowserContributionManager
// .getInstance().getContributions()) {
// contribution.fillToolBar(this, manager);
// }
// manager.update(true);
// }
private void createActionBar(Composite parent) {
actionBar = new ToolBarManager(SWT.FLAT);
actionBar.add(new OpenInExternalAction());
actionBar.add(backAction = new BackAction());
actionBar.add(forwardAction = new ForwardAction());
actionBar.add(stopRefreshAction = new StopRefreshAction());
actionBar.createControl(parent);
actionBar.getControl().setLayoutData(
new GridData(SWT.FILL, SWT.CENTER, false, false));
}
private void createLocationBar(Composite parent) {
location = new Combo(parent, SWT.BORDER | SWT.DROP_DOWN);
location.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
description = new Label(parent, SWT.NONE);
description.setText(""); //$NON-NLS-1$
description
.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
updateHistory();
/*
* We ignore selection event to avoid unneccessary selection (e.g. mouse
* scrolling in the combo, arrow up/down, or even showing drop-down on
* some platforms). User must press Enter whenver they have selected an
* item in order to go to that URL.
*/
// location.addSelectionListener(new SelectionAdapter() {
// @Override
// public void widgetSelected(SelectionEvent we) {
// try {
// if (location.getSelectionIndex() != -1)
// setURL(location.getItem(location.getSelectionIndex()));
// } catch (Exception ignore) {
// }
// }
// });
location.addListener(SWT.FocusIn, new Listener() {
public void handleEvent(Event event) {
int end = location.getText().length();
location.setSelection(new Point(0, end));
}
});
location.addListener(SWT.DefaultSelection, new Listener() {
public void handleEvent(Event e) {
setURL(location.getText());
}
});
}
protected void createHomeBusyIndicator(Composite parenet) {
homeBusy = new AnimationViewer(parenet, SWT.NONE);
homeBusy.setContentProvider(new BusyIndicatorContentProvider());
homeBusy.setLabelProvider(new BusyIndicatorLabelProvider());
homeBusy.setInput(getDefaultBusyPictures());
homeBusy.getControl()
.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
homeBusy.getControl().addListener(SWT.MouseDown, new Listener() {
public void handleEvent(Event event) {
setURL(URL_HOME);
}
});
}
public AnimationViewer getBusyIndicator() {
return homeBusy;
}
protected void createBrowser(Composite parent) {
browserContainer = new Composite(parent, SWT.NONE);
browserContainer.setLayout(new StackLayout());
browserContainer
.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Browser b = null;
// try {
// // try Mozilla
// b = createBrowser(browserContainer, SWT.MOZILLA | SWT.BORDER);
// mozilla = true;
// } catch (SWTError e) {
// mozilla = false;
try {
// try default browser
b = createBrowser(browserContainer, SWT.NONE);
} catch (SWTError e2) {
if (e2.code != SWT.ERROR_NO_HANDLES) {
return;
}
// show error text
errorText = new BrowserErrorText(browserContainer, this, e2);
}
// }
if (b != null) {
this.browser = b;
}
mozilla = b != null && "mozilla".equals(b.getBrowserType()); //$NON-NLS-1$
if (mozilla)
new MozillaPref(this);
browserListener = new BrowserListener();
if (browser != null) {
browserListener.hook(browser);
show(browser);
} else {
show(errorText.getControl());
}
}
private void show(Control control) {
((StackLayout) browserContainer.getLayout()).topControl = control;
for (Control c : browserContainer.getChildren()) {
c.setVisible(c == control);
}
browserContainer.layout();
}
// private void changeBrowser() {
// if (errorText != null)
// return;
//
// ensureAlternateBrowser();
// if (alternateBrowser == null || alternateBrowser.isDisposed())
// return;
//
// browserListener.unhook(browser);
//
// Browser temp = alternateBrowser;
// alternateBrowser = browser;
// browser = temp;
//
// browserListener.hook(browser);
// show(browser);
// }
//
// private void ensureAlternateBrowser() {
// if (alternateBrowser != null && !alternateBrowser.isDisposed())
// return;
//
// if (errorText != null)
// return;
//
// try {
// if (mozilla) {
// alternateBrowser = new Browser(browserContainer, SWT.MOZILLA
// | SWT.BORDER);
// } else {
// alternateBrowser = new Browser(browserContainer, SWT.NONE);
// }
//
// } catch (SWTError e) {
// if (e.code != SWT.ERROR_NO_HANDLES) {
// return;
// }
// errorText = new BrowserErrorText(browserContainer, this, e);
// }
//
// if (alternateBrowser != null) {
// alternateBrowser.setLayoutData(new GridData(SWT.FILL, SWT.FILL,
// true, true));
// } else {
// errorText.getControl().setLayoutData(
// new GridData(SWT.FILL, SWT.FILL, true, true));
// }
// }
private Browser createBrowser(Composite parent, int style) {
return new Browser(parent, style);
}
public void changeStyle(int newStyle) {
this.style = newStyle;
if (composite != null && !composite.isDisposed()) {
updateWithStyle();
}
}
protected void updateWithStyle() {
boolean locationVisible = (style
& IBrowserSupport.NO_LOCATION_BAR) == 0;
location.setVisible(locationVisible);
((GridData) location.getLayoutData()).exclude = !locationVisible;
boolean descriptionVisible = !locationVisible;
description.setVisible(descriptionVisible);
((GridData) description.getLayoutData()).exclude = !descriptionVisible;
toolBar.layout(true);
boolean hasToolBar = (style & IBrowserSupport.NO_TOOLBAR) == 0;
toolBar.setVisible(hasToolBar);
((GridData) toolBar.getLayoutData()).exclude = !hasToolBar;
composite.layout(true);
}
public Browser getBrowser() {
return browser;
}
public Control getControl() {
return composite;
}
private void home() {
if (browser == null || browser.isDisposed())
return;
browser.setText(""); //$NON-NLS-1$
}
/**
* 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()
*/
public boolean setURL(String url) {
return setURL(url, true);
}
private boolean setURL(String url, boolean browse) {
if (url == null) {
home();
return true;
}
if ("xmind".equalsIgnoreCase(url)) //$NON-NLS-1$
url = URL_HOME;
if (redirect) {
url = makeRedirectUrl(url);
}
if (browse)
navigate(url);
addToHistory(url);
updateHistory();
return true;
}
protected void updateBackNextBusy() {
if (backAction != null)
backAction.setEnabled(isBackEnabled());
if (forwardAction != null)
forwardAction.setEnabled(isForwardEnabled());
if (homeBusy != null && homeBusy.getControl() != null
&& !homeBusy.getControl().isDisposed()) {
if (loading) {
homeBusy.start();
} else {
homeBusy.stop();
}
}
}
// /**
// *
// */
// private void addBrowserListeners(Browser browser) {
// if (browser == null)
// return;
//
// browser.addStatusTextListener(new StatusTextListener() {
// public void changed(StatusTextEvent event) {
// if (container != null) {
// IStatusLineManager status = container.getActionBars()
// .getStatusLineManager();
// status.setMessage(event.text);
// }
// }
// });
//
// /*
// * Add listener for new window creation. Use just the same browser for
// * the new window.
// */
// browser.addOpenWindowListener(new OpenWindowListener() {
// public void open(WindowEvent event) {
// event.browser = BrowserViewer.this.browser;
//
// // Forget about the following way....
//
//// Display display = Display.getCurrent();
//// final Shell tempShell = new Shell(display);
//// tempShell.setBounds(-100, -100, 50, 50);
//// tempShell.setLayout(new FillLayout());
//// BrowserViewer tempBrowserViewer = new BrowserViewer(tempShell,
//// 0, null);
//// tempBrowserViewer.newWindow = true;
//// Browser tempBrowser = tempBrowserViewer.browser;
//// tempBrowser.addLocationListener(new LocationListener() {
////
//// public void changing(LocationEvent event) {
//// }
////
//// public void changed(LocationEvent event) {
//// String url = event.location;
//// if (container != null && url != null && !"".equals(url)) { //$NON-NLS-1$
//// container.openInExternalBrowser(url);
//// }
//// tempShell.close();
//// tempShell.dispose();
//// }
////
//// });
//// event.browser = tempBrowser;
// }
// });
//
// browser.addVisibilityWindowListener(new VisibilityWindowListener() {
// public void hide(WindowEvent e) {
// }
//
// public void show(WindowEvent e) {
// Browser browser2 = (Browser) e.widget;
// if (browser2.getParent().getParent() instanceof Shell) {
// Shell shell = (Shell) browser2.getParent().getParent();
// if (e.location != null)
// shell.setLocation(e.location);
// if (e.size != null)
// shell.setSize(shell.computeSize(e.size.x, e.size.y));
// shell.open();
// }
// }
// });
//
// browser.addCloseWindowListener(new CloseWindowListener() {
// public void close(WindowEvent event) {
// // if shell is not null, it must be a secondary popup window,
// // else its an editor window
//// if (newWindow) {
//// getControl().getShell().dispose();
//// } else {
//// container.close();
//// }
// }
// });
//
// browser.addProgressListener(new ProgressListener() {
// public void changed(ProgressEvent event) {
// if (event.total == 0)
// return;
//
// boolean done = (event.current == event.total);
//
// int percentProgress = event.current * 100 / event.total;
// if (container != null) {
// IProgressMonitor monitor = container.getActionBars()
// .getStatusLineManager().getProgressMonitor();
// if (done) {
// monitor.done();
// progressWorked = 0;
// } else if (progressWorked == 0) {
// monitor.beginTask("", event.total); //$NON-NLS-1$
// progressWorked = percentProgress;
// } else {
// monitor.worked(event.current - progressWorked);
// progressWorked = event.current;
// }
// }
//
// if (!homeBusy.isAnimating() && !done)
// setLoading(true);
// else if (homeBusy.isAnimating() && done) // once the progress hits
// // 100 percent, done, set
// // busy to false
// setLoading(false);
//
// updateBackNextBusy();
// updateHistory();
// }
//
// public void completed(ProgressEvent event) {
// if (container != null) {
// IProgressMonitor monitor = container.getActionBars()
// .getStatusLineManager().getProgressMonitor();
// monitor.done();
// }
// setLoading(false);
// updateBackNextBusy();
// updateHistory();
// }
// });
//
// browser.addLocationListener(new LocationListener() {
// public void changed(LocationEvent event) {
// if (!event.top)
// return;
// if (location != null) {
// if (!"about:blank".equals(event.location)) { //$NON-NLS-1$
// String oldLocation = location.getText();
// location.setText(event.location);
// addToHistory(event.location);
// updateHistory();
// firePropertyChangeEvent(PROPERTY_LOCATION,
// event.location, oldLocation);
// }
// }
// }
//
// public void changing(LocationEvent event) {
// // do nothing
// }
// });
//
// browser.addTitleListener(new TitleListener() {
// public void changed(TitleEvent event) {
// String oldTitle = title;
// title = event.title;
// firePropertyChangeEvent(PROPERTY_TITLE, oldTitle, title);
// }
// });
//
// }
public Combo getLocationBar() {
return location;
}
public Clipboard getClipboard() {
return clipboard;
}
public void copy() {
if (location == null || location.isDisposed()
|| !location.isFocusControl())
return;
location.copy();
}
public void cut() {
if (location == null || location.isDisposed()
|| !location.isFocusControl())
return;
location.cut();
}
public void delete() {
if (location == null || location.isDisposed()
|| !location.isFocusControl())
return;
String text = location.getText();
Point selection = location.getSelection();
if (selection.y > selection.x) {
text = text.substring(0, selection.x) + text.substring(selection.y);
location.setText(text);
location.setSelection(new Point(selection.x, selection.x));
}
}
public void paste() {
if (location == null || location.isDisposed()
|| !location.isFocusControl())
return;
location.paste();
}
public void addPropertyChangeListener(PropertyChangeListener listener) {
propertyChangeSupport.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
propertyChangeSupport.removePropertyChangeListener(listener);
}
public void addPropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
}
public void removePropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
propertyChangeSupport.removePropertyChangeListener(propertyName,
listener);
}
protected void firePropertyChangeEvent(String propertyName, Object oldValue,
Object newValue) {
propertyChangeSupport.firePropertyChange(propertyName, oldValue,
newValue);
}
protected boolean firePropertyChangingEvent(String propertyName,
Object oldValue, Object newValue, boolean doit) {
PropertyChangingEvent event = new PropertyChangingEvent(this,
propertyName, oldValue, newValue, doit);
PropertyChangeListener[] listeners = propertyChangeSupport
.getPropertyChangeListeners();
if (firePropertyChangingEvent(listeners, event)) {
listeners = propertyChangeSupport
.getPropertyChangeListeners(propertyName);
return firePropertyChangingEvent(listeners, event);
}
return event.doit;
}
private boolean firePropertyChangingEvent(
PropertyChangeListener[] listeners, PropertyChangingEvent event) {
for (Object pcl : listeners) {
if (pcl instanceof IPropertyChangingListener) {
try {
((IPropertyChangingListener) pcl).propertyChanging(event);
} catch (Throwable ignore) {
}
}
}
return event.doit;
}
/**
* Navigate to the next session history item. Convenience method that calls
* the underlying SWT browser.
*
* @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>
*/
public boolean forward() {
if (browser == null || browser.isDisposed())
return false;
boolean forward = browser.forward();
if (!forward) {
}
return forward;
}
/**
* Navigate to the previous session history item. Convenience method that
* calls the underlying SWT browser.
*
* @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>
*/
public boolean back() {
if (browser == null || browser.isDisposed())
return false;
return browser.back();
}
/**
* Returns <code>true</code> if the receiver can navigate to the previous
* session history item, and <code>false</code> otherwise. Convenience
* method that calls the underlying SWT browser.
*
* @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>
*/
public boolean isBackEnabled() {
if (browser == null || browser.isDisposed())
return false;
return browser.isBackEnabled();
}
/**
* Returns <code>true</code> if the receiver can navigate to the next
* session history item, and <code>false</code> otherwise. Convenience
* method that calls the underlying SWT browser.
*
* @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>
*/
public boolean isForwardEnabled() {
if (browser == null || browser.isDisposed())
return false;
return browser.isForwardEnabled();
}
/**
* Stop any loading and rendering activity. Convenience method that calls
* the underlying SWT browser.
*
* @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>
*/
public void stop() {
if (browser != null && !browser.isDisposed())
browser.stop();
setLoading(false);
}
public boolean setText(String html) {
return false;
}
private boolean navigate(String url) {
if (url != null && url.equals(getURL())) {
refresh();
return true;
}
if (browser != null && !browser.isDisposed())
return browser.setUrl(url);
if (errorText != null && errorText.getControl() != null
&& !errorText.getControl().isDisposed())
return errorText.setUrl(url);
return false;
}
/**
* Refresh the current page. Convenience method that calls the underlying
* SWT browser.
*
* @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>
*/
public void refresh() {
if (browser != null) {
if (!browser.isDisposed())
browser.refresh();
} else {
if (errorText != null && errorText.getControl() != null
&& !errorText.getControl().isDisposed())
errorText.refresh();
}
try {
Thread.sleep(50);
} catch (Exception ignore) {
}
}
protected void addToHistory(String url) {
if (URL_HISTORY == null)
URL_HISTORY = BrowserPref.getInternalWebBrowserHistory();
int found = -1;
int size = URL_HISTORY.size();
for (int i = 0; i < size; i++) {
String s = URL_HISTORY.get(i);
if (s.equals(url)) {
found = i;
break;
}
}
if (found == -1) {
if (size >= MAX_HISTORY)
URL_HISTORY.remove(size - 1);
URL_HISTORY.add(0, url);
BrowserPref.setInternalWebBrowserHistory(URL_HISTORY);
} else if (found != 0) {
URL_HISTORY.remove(found);
URL_HISTORY.add(0, url);
BrowserPref.setInternalWebBrowserHistory(URL_HISTORY);
}
}
protected void handleDispose() {
for (IBrowserViewerContribution contribution : BrowserContributionManager
.getInstance().getContributions()) {
if (contribution instanceof IBrowserViewerContribution2) {
((IBrowserViewerContribution2) contribution)
.uninstallBrowserListeners(this);
}
}
if (this.container != null) {
IStatusLineManager manager = this.container.getActionBars()
.getStatusLineManager();
if (manager != null)
manager.getProgressMonitor().done();
}
homeBusy = null;
browser = null;
errorText = null;
if (clipboard != null)
clipboard.dispose();
clipboard = null;
}
private void setLoading(boolean loading) {
this.loading = loading;
if (loading) {
if (stopRefreshAction != null) {
stopRefreshAction.setStop();
}
} else {
if (stopRefreshAction != null) {
stopRefreshAction.setRefresh();
}
if (homeBusy != null && homeBusy.getControl() != null
&& !homeBusy.getControl().isDisposed())
homeBusy.stop();
if (container != null) {
IProgressMonitor monitor = container.getActionBars()
.getStatusLineManager().getProgressMonitor();
monitor.done();
}
}
}
/**
* Returns the current URL. Convenience method that calls the underlying SWT
* browser.
*
* @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(String)
*/
public String getURL() {
if (browser != null)
return browser.getUrl();
return errorText.getUrl();
}
protected void updateHistory() {
if (location == null || location.isDisposed())
return;
String temp = location.getText();
if (URL_HISTORY == null)
URL_HISTORY = BrowserPref.getInternalWebBrowserHistory();
String[] historyList = new String[URL_HISTORY.size()];
URL_HISTORY.toArray(historyList);
location.setItems(historyList);
location.setText(temp);
}
public IBrowserViewerContainer getContainer() {
return container;
}
public void setFocus() {
if (browser != null && !browser.isDisposed()) {
if (browser.setFocus()) {
updateHistory();
} else if (location != null) {
location.setFocus();
}
}
}
/**
* @return the mozilla
*/
public boolean isMozilla() {
return mozilla;
}
public BackAction getBackAction() {
return backAction;
}
public ForwardAction getForwardAction() {
return forwardAction;
}
public StopRefreshAction getStopRefreshAction() {
return stopRefreshAction;
}
private static Object getDefaultBusyPictures() {
if (DEFAULT_BUSY_PICTURES == null) {
ArrayList<ImageDescriptor> list = new ArrayList<ImageDescriptor>(
13);
list.add(BrowserImages.getImageDescriptor(BrowserImages.XMIND));
list.addAll(Arrays.asList(BrowserImages.getBusyImages()));
DEFAULT_BUSY_PICTURES = list.toArray();
}
return DEFAULT_BUSY_PICTURES;
}
private String makeRedirectUrl(String source) {
if (!source.startsWith("file:")) { //$NON-NLS-1$
try {
return BrowserUtil.makeRedirectURL(source);
} catch (Throwable e) {
//ignore
} finally {
redirect = false;
}
}
return source;
}
}
