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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.
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/*******************************************************************************
* Copyright (c) 2010, 2012 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.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.ole.win32.*;
import org.eclipse.swt.internal.webkit.*;
import org.eclipse.swt.internal.win32.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
class WebUIDelegate {
COMObject iWebUIDelegate;
int refCount = 0;
String lastHoveredLinkURL;
Browser browser;
Point size;
Point location;
boolean menuBar = true, toolBar = true, statusBar = true;
boolean prompt = true;
WebUIDelegate (Browser browser) {
createCOMInterfaces ();
this.browser = browser;
}
int AddRef () {
refCount++;
return refCount;
}
int canTakeFocus (int /*long*/ sender, int forward, int /*long*/ result) {
OS.MoveMemory (result, new int[] {1}, 4); /* BOOL */
return COM.S_OK;
}
int contextMenuItemsForElement (int /*long*/ sender, int /*long*/ element, int /*long*/ defaultItemsHMenu, int /*long*/ resultHMenu) {
Point pt = browser.getDisplay ().getCursorLocation ();
Event event = new Event ();
event.x = pt.x;
event.y = pt.y;
browser.notifyListeners (SWT.MenuDetect, event);
if (event.doit) {
Menu menu = browser.getMenu ();
if (menu != null && !menu.isDisposed ()) {
if (event.x != pt.x || event.y != pt.y) {
menu.setLocation (event.x, event.y);
}
menu.setVisible (true);
} else {
OS.MoveMemory (resultHMenu, new int /*long*/[] {defaultItemsHMenu}, C.PTR_SIZEOF);
return COM.S_OK;
}
}
OS.MoveMemory (resultHMenu, new int /*long*/[] {0}, C.PTR_SIZEOF);
return COM.S_OK;
}
void createCOMInterfaces () {
iWebUIDelegate = new COMObject (new int[] {2, 0, 0, 3, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 4, 4, 2, 3, 4, 4, 3, 3, 3, 3, 5, 3, 1, 3, 2, 2, 2, 2, 3, 2, 3, 1, 1, 0, 0, 1, 1, 2, 2, 2, 2, 3, 5, 2, 2, 3, 1, 2, 2, 4, 10, 3}) {
public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
public int /*long*/ method3 (int /*long*/[] args) {return createWebViewWithRequest (args[0], args[1], args[2]);}
public int /*long*/ method4 (int /*long*/[] args) {return webViewShow (args[0]);}
public int /*long*/ method5 (int /*long*/[] args) {return webViewClose (args[0]);}
public int /*long*/ method6 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method7 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method8 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method9 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method10 (int /*long*/[] args) {return setStatusText (args[0], args[1]);}
public int /*long*/ method11 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method12 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method13 (int /*long*/[] args) {return setToolbarsVisible (args[0], (int)/*64*/args[1]);}
public int /*long*/ method14 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method15 (int /*long*/[] args) {return setStatusBarVisible (args[0], (int)/*64*/args[1]);}
public int /*long*/ method16 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method17 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method18 (int /*long*/[] args) {return setFrame (args[0], args[1]);}
public int /*long*/ method19 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method20 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method21 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method22 (int /*long*/[] args) {return runJavaScriptAlertPanelWithMessage (args[0], args[1]);}
public int /*long*/ method23 (int /*long*/[] args) {return runJavaScriptConfirmPanelWithMessage (args[0], args[1], args[2]);}
public int /*long*/ method24 (int /*long*/[] args) {return runJavaScriptTextInputPanelWithPrompt (args[0], args[1], args[2], args[3]);}
public int /*long*/ method25 (int /*long*/[] args) {return runBeforeUnloadConfirmPanelWithMessage (args[0], args[1], args[2], args[3]);}
public int /*long*/ method26 (int /*long*/[] args) {return runOpenPanelForFileButtonWithResultListener (args[0], args[1]);}
public int /*long*/ method27 (int /*long*/[] args) {return mouseDidMoveOverElement (args[0], args[1], (int)/*64*/args[2]);}
public int /*long*/ method28 (int /*long*/[] args) {return contextMenuItemsForElement (args[0], args[1], args[2], args[3]);}
public int /*long*/ method29 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method30 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method31 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method32 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method33 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method34 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method35 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method36 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method37 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method38 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method39 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method40 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method41 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method42 (int /*long*/[] args) {return canTakeFocus (args[0], (int)/*64*/args[1], args[2]);}
public int /*long*/ method43 (int /*long*/[] args) {return takeFocus (args[0], (int)/*64*/args[1]);}
public int /*long*/ method44 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method45 (int /*long*/[] args) {return COM.S_OK;}
public int /*long*/ method46 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method47 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method48 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method49 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method50 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method51 (int /*long*/[] args) {return printFrame (args[0], args[1]);}
public int /*long*/ method52 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method53 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method54 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method55 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method56 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method57 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method58 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method59 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method60 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method61 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method62 (int /*long*/[] args) {return setMenuBarVisible (args[0], (int)/*64*/args[1]);}
public int /*long*/ method63 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method64 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method65 (int /*long*/[] args) {return COM.E_NOTIMPL;}
};
}
int createWebViewWithRequest (int /*long*/ sender, int /*long*/ request, int /*long*/ webView) {
WindowEvent newEvent = new WindowEvent (browser);
newEvent.display = browser.getDisplay ();
newEvent.widget = browser;
newEvent.required = true;
OpenWindowListener[] openWindowListeners = browser.webBrowser.openWindowListeners;
for (int i = 0; i < openWindowListeners.length; i++) {
openWindowListeners[i].open (newEvent);
}
IWebView iwebview = null;
Browser browser = null;
if (newEvent.browser != null && newEvent.browser.webBrowser instanceof WebKit) {
browser = newEvent.browser;
}
if (browser != null && !browser.isDisposed ()) {
iwebview = ((WebKit)browser.webBrowser).webView;
OS.MoveMemory (webView, new int /*long*/[] {iwebview.getAddress ()}, OS.PTR_SIZEOF);
if (request != 0) {
IWebURLRequest req = new IWebURLRequest (request);
int /*long*/[] result = new int /*long*/[1];
int hr = req.URL (result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
String sUrl = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
if (sUrl.length () != 0) {
result[0] = 0;
hr = iwebview.mainFrame (result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
IWebFrame mainFrame = new IWebFrame (result[0]);
mainFrame.loadRequest (req.getAddress ());
mainFrame.Release ();
}
}
return COM.S_OK;
}
return COM.E_NOTIMPL;
}
protected void disposeCOMInterfaces () {
if (iWebUIDelegate != null) {
iWebUIDelegate.dispose ();
iWebUIDelegate = null;
}
}
int /*long*/ getAddress () {
return iWebUIDelegate.getAddress ();
}
int mouseDidMoveOverElement (int /*long*/ sender, int /*long*/ elementInformation, int modifierFlags) {
if (elementInformation == 0) return COM.S_OK;
IPropertyBag info = new IPropertyBag (elementInformation);
int /*long*/ key = WebKit.createBSTR ("WebElementLinkURLKey"); //$NON-NLS-N$
int /*long*/ hHeap = OS.GetProcessHeap ();
int /*long*/ resultPtr = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, VARIANT.sizeof);
int hr = info.Read (key, resultPtr, null);
if (hr != COM.S_OK || resultPtr == 0) {
return COM.S_OK;
}
String value = null;
VARIANT v = new VARIANT ();
COM.MoveMemory (v, resultPtr, VARIANT.sizeof);
if (v.vt == COM.VT_BSTR) value = WebKit.extractBSTR (v.lVal);
OS.HeapFree (hHeap, 0, resultPtr);
StatusTextListener[] statusTextListeners = browser.webBrowser.statusTextListeners;
if (value == null || value.length () == 0) {
/* not currently over a link */
if (lastHoveredLinkURL == null) return COM.S_OK;
lastHoveredLinkURL = null;
StatusTextEvent statusText = new StatusTextEvent (browser);
statusText.display = browser.getDisplay ();
statusText.widget = browser;
statusText.text = ""; //$NON-NLS-1$
for (int i = 0; i < statusTextListeners.length; i++) {
statusTextListeners[i].changed (statusText);
}
return COM.S_OK;
}
if (value.equals (lastHoveredLinkURL)) return COM.S_OK;
lastHoveredLinkURL = value;
StatusTextEvent statusText = new StatusTextEvent (browser);
statusText.display = browser.getDisplay ();
statusText.widget = browser;
statusText.text = value;
for (int i = 0; i < statusTextListeners.length; i++) {
statusTextListeners[i].changed (statusText);
}
return COM.S_OK;
}
int printFrame (int /*long*/ webView, int /*long*/ frame) {
IWebFrame iwebFrame = new IWebFrame (frame);
PRINTDLG pd = new PRINTDLG ();
pd.lStructSize = PRINTDLG.sizeof;
pd.Flags = OS.PD_RETURNDC;
if (!OS.PrintDlg (pd)) return COM.S_OK;
int /*long*/ printDC = pd.hDC;
int /*long*/[] result = new int /*long*/[1];
int hr = iwebFrame.QueryInterface (WebKit_win32.IID_IWebFramePrivate, result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
IWebFramePrivate privateFrame = new IWebFramePrivate (result[0]);
privateFrame.setInPrintingMode (1, printDC);
int[] count = new int[1];
hr = privateFrame.getPrintedPageCount (printDC, count);
if (hr != COM.S_OK || count[0] == 0) {
privateFrame.Release ();
return COM.S_OK;
}
int pageCount = count[0];
String jobName = null;
result[0] = 0;
hr = iwebFrame.dataSource (result);
if (hr == COM.S_OK && result[0] != 0) {
IWebDataSource dataSource = new IWebDataSource (result[0]);
result[0] = 0;
hr = dataSource.pageTitle (result);
dataSource.Release ();
if (hr == COM.S_OK && result[0] != 0) {
jobName = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
}
}
DOCINFO di = new DOCINFO ();
di.cbSize = DOCINFO.sizeof;
int /*long*/ hHeap = OS.GetProcessHeap ();
int /*long*/ lpszDocName = 0;
if (jobName != null && jobName.length () != 0) {
/* Use the character encoding for the default locale */
TCHAR buffer = new TCHAR (0, jobName, true);
int byteCount = buffer.length () * TCHAR.sizeof;
lpszDocName = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
OS.MoveMemory (lpszDocName, buffer, byteCount);
di.lpszDocName = lpszDocName;
}
int rc = OS.StartDoc (printDC, di);
if (lpszDocName != 0) OS.HeapFree (hHeap, 0, lpszDocName);
if (rc >= 0) {
for (int i = 0; i < pageCount; i++) {
OS.StartPage (printDC);
privateFrame.spoolPages (printDC, i, i, null);
OS.EndPage (printDC);
}
privateFrame.setInPrintingMode (0, printDC);
OS.EndDoc (printDC);
}
privateFrame.Release ();
return COM.S_OK;
}
int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
GUID guid = new GUID ();
COM.MoveMemory (guid, riid, GUID.sizeof);
if (COM.IsEqualGUID (guid, COM.IIDIUnknown)) {
COM.MoveMemory (ppvObject, new int /*long*/[] {iWebUIDelegate.getAddress ()}, OS.PTR_SIZEOF);
new IUnknown (iWebUIDelegate.getAddress ()).AddRef ();
return COM.S_OK;
}
if (COM.IsEqualGUID (guid, WebKit_win32.IID_IWebUIDelegate)) {
COM.MoveMemory (ppvObject, new int /*long*/[] {iWebUIDelegate.getAddress ()}, OS.PTR_SIZEOF);
new IUnknown (iWebUIDelegate.getAddress ()).AddRef ();
return COM.S_OK;
}
COM.MoveMemory (ppvObject, new int /*long*/[] {0}, OS.PTR_SIZEOF);
return COM.E_NOINTERFACE;
}
int Release () {
refCount--;
if (refCount == 0) {
disposeCOMInterfaces ();
}
return refCount;
}
int runBeforeUnloadConfirmPanelWithMessage (int /*long*/ sender, int /*long*/ message, int /*long*/ initiatedByFrame, int /*long*/ result) {
if (!prompt) return COM.S_OK;
Shell parent = browser.getShell ();
String string = WebKit.extractBSTR (message);
StringBuffer text = new StringBuffer (Compatibility.getMessage ("SWT_OnBeforeUnload_Message1")); //$NON-NLS-1$
text.append ("\n\n"); //$NON-NLS-1$
text.append (string);
text.append ("\n\n"); //$NON-NLS-1$
text.append (Compatibility.getMessage ("SWT_OnBeforeUnload_Message2")); //$NON-NLS-1$
MessageBox box = new MessageBox (parent, SWT.OK | SWT.CANCEL | SWT.ICON_QUESTION);
box.setMessage (text.toString ());
int[] response = new int[1];
response[0] = box.open () == SWT.OK ? 1 : 0;
OS.MoveMemory (result, response, 4); /* BOOL */
return COM.S_OK;
}
int runJavaScriptAlertPanelWithMessage (int /*long*/ sender, int /*long*/ message) {
String messageString = WebKit.extractBSTR (message);
showAlertMessage ("Javascript", messageString); //$NON-NLS-1$
return COM.S_OK;
}
int runJavaScriptConfirmPanelWithMessage (int /*long*/ sender, int /*long*/ message, int /*long*/ result) {
String messageString = WebKit.extractBSTR (message);
int[] response = new int[1];
response[0] = showConfirmPanel ("Javascript", messageString) == SWT.OK ? 1 : 0; //$NON-NLS-1$
OS.MoveMemory (result, response, 4); /* BOOL */
return COM.S_OK;
}
int runJavaScriptTextInputPanelWithPrompt (int /*long*/ sender, int /*long*/ message, int /*long*/ defaultText, int /*long*/ result) {
String messageString = WebKit.extractBSTR (message);
String defaultTextString = WebKit.extractBSTR (defaultText);
String resultString = showTextPrompter ("Javascript", messageString, defaultTextString); //$NON-NLS-1$
int /*long*/[] response = new int /*long*/[1];
if (resultString != null) {
response[0] = WebKit.createBSTR (resultString);
}
OS.MoveMemory (result, response, C.PTR_SIZEOF);
return COM.S_OK;
}
int runOpenPanelForFileButtonWithResultListener (int /*long*/ sender, int /*long*/ resultListener) {
Shell parent = browser.getShell ();
FileDialog dialog = new FileDialog (parent, SWT.NONE);
String result = dialog.open ();
IWebOpenPanelResultListener listener = new IWebOpenPanelResultListener (resultListener);
if (result == null) {
listener.cancel ();
} else {
listener.chooseFilename (WebKit.createBSTR (result));
}
return COM.S_OK;
}
int setFrame (int /*long*/ sender, int /*long*/ frame) {
RECT rect = new RECT ();
COM.MoveMemory (rect, frame, RECT.sizeof);
/* convert to SWT system coordinates */
location = browser.getDisplay ().map (browser, null, rect.left, rect.top);
int x = rect.right - rect.left;
int y = rect.bottom - rect.top;
if (y < 0 || x < 0 || (x == 0 && y == 0)) return COM.S_OK;
size = new Point (x, y);
return COM.S_OK;
}
int setMenuBarVisible (int /*long*/ sender, int visible) {
/* Note. Webkit only emits the notification when the status bar should be hidden. */
menuBar = visible == 1;
return COM.S_OK;
}
int setStatusBarVisible (int /*long*/ sender, int visible) {
/* Note. Webkit only emits the notification when the status bar should be hidden. */
statusBar = visible == 1;
return COM.S_OK;
}
int setStatusText (int /*long*/ sender, int /*long*/ text) {
String statusText = WebKit.extractBSTR (text);
if (statusText.length () == 0) return COM.S_OK;
StatusTextEvent statusTextEvent = new StatusTextEvent (browser);
statusTextEvent.display = browser.getDisplay ();
statusTextEvent.widget = browser;
statusTextEvent.text = statusText;
StatusTextListener[] statusTextListeners = browser.webBrowser.statusTextListeners;
for (int i = 0; i < statusTextListeners.length; i++) {
statusTextListeners[i].changed (statusTextEvent);
}
return COM.S_OK;
}
int setToolbarsVisible (int /*long*/ sender, int visible) {
/* Note. Webkit only emits the notification when the status bar should be hidden. */
toolBar = visible == 1;
return COM.S_OK;
}
void showAlertMessage (String title, String message) {
Shell parent = browser.getShell ();
final Shell dialog = new Shell (parent, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);
GridLayout layout = new GridLayout (2, false);
layout.horizontalSpacing = 10;
layout.verticalSpacing = 20;
layout.marginWidth = layout.marginHeight = 10;
dialog.setLayout (layout);
dialog.setText (title);
Label label = new Label (dialog, SWT.NONE);
Image image = dialog.getDisplay ().getSystemImage (SWT.ICON_WARNING);
label.setImage (image);
label = new Label (dialog, SWT.WRAP);
label.setText (message);
Monitor monitor = parent.getMonitor ();
int maxWidth = monitor.getBounds().width * 2 / 3;
int width = label.computeSize (SWT.DEFAULT, SWT.DEFAULT).x;
GridData data = new GridData (SWT.FILL, SWT.CENTER, true, false);
data.widthHint = Math.min (width, maxWidth);
label.setLayoutData (data);
Button ok = new Button (dialog, SWT.PUSH);
ok.setText (SWT.getMessage ("SWT_OK")); //$NON-NLS-1$
width = ok.computeSize (SWT.DEFAULT, SWT.DEFAULT).x;
GridData layoutData = new GridData ();
layoutData.horizontalAlignment = SWT.CENTER;
layoutData.verticalAlignment = SWT.CENTER;
layoutData.horizontalSpan = 2;
layoutData.widthHint = Math.max (width, 75);
ok.setLayoutData (layoutData);
ok.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
dialog.dispose ();
}
});
dialog.setDefaultButton (ok);
dialog.pack ();
Rectangle parentSize = parent.getBounds ();
Rectangle dialogSize = dialog.getBounds ();
int x = parent.getLocation ().x + (parentSize.width - dialogSize.width) / 2;
int y = parent.getLocation ().y + (parentSize.height - dialogSize.height) / 2;
dialog.setLocation (x, y);
dialog.open ();
Display display = browser.getDisplay ();
while (!dialog.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
}
int showConfirmPanel (String title, String message) {
Shell parent = browser.getShell ();
final Shell dialog = new Shell (parent, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);
GridLayout layout = new GridLayout (2, false);
layout.horizontalSpacing = 10;
layout.verticalSpacing = 20;
layout.marginWidth = layout.marginHeight = 10;
dialog.setLayout (layout);
dialog.setText (title);
Label label = new Label (dialog, SWT.NONE);
Image image = dialog.getDisplay ().getSystemImage (SWT.ICON_QUESTION);
label.setImage (image);
label.setLayoutData (new GridData ());
label = new Label (dialog, SWT.WRAP);
label.setText (message);
Monitor monitor = parent.getMonitor ();
int maxWidth = monitor.getBounds ().width * 2 / 3;
int width = label.computeSize (SWT.DEFAULT, SWT.DEFAULT).x;
GridData data = new GridData (SWT.FILL, SWT.CENTER, true, false);
data.widthHint = Math.min (width, maxWidth);
label.setLayoutData (data);
Composite buttons = new Composite (dialog, SWT.NONE);
data = new GridData (SWT.CENTER, SWT.CENTER, true, true, 2, 1);
buttons.setLayoutData (data);
buttons.setLayout (new GridLayout (2, true));
Button ok = new Button (buttons, SWT.PUSH);
ok.setText (SWT.getMessage ("SWT_OK")); //$NON-NLS-1$
GridData layoutData = new GridData ();
layoutData.horizontalAlignment = SWT.CENTER;
layoutData.verticalAlignment = SWT.CENTER;
ok.setLayoutData (layoutData);
Button cancel = new Button (buttons, SWT.PUSH);
cancel.setText (SWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
cancel.setLayoutData (layoutData);
width = cancel.computeSize (SWT.DEFAULT, SWT.DEFAULT).x;
layoutData.widthHint = Math.max (width, 75);
final int[] result = new int[1];
ok.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
result[0] = SWT.OK;
dialog.dispose ();
}
});
cancel.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
result[0] = SWT.CANCEL;
dialog.dispose ();
}
});
dialog.setDefaultButton (ok);
dialog.pack ();
Rectangle parentSize = parent.getBounds ();
Rectangle dialogSize = dialog.getBounds ();
int x = parent.getLocation ().x + (parentSize.width - dialogSize.width) / 2;
int y = parent.getLocation ().y + (parentSize.height - dialogSize.height) / 2;
dialog.setLocation (x, y);
dialog.open ();
Display display = browser.getDisplay ();
while (!dialog.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
return result[0];
}
String showTextPrompter (String title, String message, String defaultText) {
Shell parent = browser.getShell ();
final Shell dialog = new Shell (parent, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);
dialog.setLayout (new GridLayout ());
dialog.setText (title);
Label label = new Label (dialog, SWT.NONE);
label.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
label.setText (message);
final Text textBox = new Text (dialog, SWT.SINGLE | SWT.BORDER);
GridData data = new GridData (GridData.FILL_HORIZONTAL);
data.widthHint = 300;
textBox.setLayoutData (data);
textBox.setText (defaultText);
Composite buttons = new Composite (dialog, SWT.NONE);
buttons.setLayout (new GridLayout (2, true));
buttons.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_CENTER));
Button ok = new Button (buttons, SWT.PUSH);
ok.setText (SWT.getMessage ("SWT_OK")); //$NON-NLS-1$
ok.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
final String[] result = new String[1];
ok.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
result[0] = textBox.getText ();
dialog.dispose ();
}
});
Button cancel = new Button (buttons, SWT.PUSH);
cancel.setText (SWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
cancel.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
cancel.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent e) {
dialog.dispose ();
}
});
dialog.setDefaultButton (ok);
dialog.pack ();
Rectangle parentSize = parent.getBounds ();
Rectangle dialogSize = dialog.getBounds ();
int x = parent.getLocation ().x + (parentSize.width - dialogSize.width) / 2;
int y = parent.getLocation ().y + (parentSize.height - dialogSize.height) / 2;
dialog.setLocation (x, y);
dialog.open ();
Display display = browser.getDisplay ();
while (!dialog.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
return result[0];
}
int takeFocus (int /*long*/ sender, int forward) {
int traveralCode = forward == 0 ? SWT.TRAVERSE_TAB_PREVIOUS : SWT.TRAVERSE_TAB_NEXT;
((WebKit)browser.webBrowser).traverseOut = true;
browser.traverse (traveralCode);
return COM.S_OK;
}
int webViewClose (int /*long*/ sender) {
WindowEvent newEvent = new WindowEvent (browser);
newEvent.display = browser.getDisplay ();
newEvent.widget = browser;
CloseWindowListener[] closeWindowListeners = browser.webBrowser.closeWindowListeners;
for (int i = 0; i < closeWindowListeners.length; i++) {
closeWindowListeners[i].close (newEvent);
}
browser.dispose ();
return COM.S_OK;
}
int webViewFrame (int /*long*/ sender, int /*long*/ frame) {
RECT rect = new RECT ();
OS.MoveMemory (frame, rect, RECT.sizeof);
return COM.S_OK;
}
int webViewShow (int /*long*/ sender) {
WindowEvent newEvent = new WindowEvent (browser);
newEvent.display = browser.getDisplay ();
newEvent.widget = browser;
if (location != null) newEvent.location = location;
if (size != null) newEvent.size = size;
/*
* Feature in WebKit. WebKit's tool bar contains
* the address bar. The address bar is displayed
* if the tool bar is displayed. There is no separate
* notification for the address bar.
*/
newEvent.addressBar = toolBar;
newEvent.menuBar = menuBar;
newEvent.statusBar = statusBar;
newEvent.toolBar = toolBar;
VisibilityWindowListener[] visibilityWindowListeners = browser.webBrowser.visibilityWindowListeners;
for (int i = 0; i < visibilityWindowListeners.length; i++) {
visibilityWindowListeners[i].show (newEvent);
}
location = null;
size = null;
return COM.S_OK;
}
}
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