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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) 2003, 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.SWT;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.mozilla.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* This class implements the nsIDownload interface for mozilla
* versions 1.4 - 1.7.x. For mozilla version 1.8.x this interface
* is implemented by class nsIDownload_1_8. Later versions of
* mozilla do not need to call this interface.
*/
class Download {
XPCOMObject supports;
XPCOMObject download;
XPCOMObject progressDialog;
XPCOMObject webProgressListener;
nsIHelperAppLauncher helperAppLauncher;
int refCount = 0;
Shell shell;
Label status;
Button cancel;
Download () {
createCOMInterfaces ();
}
int AddRef () {
refCount++;
return refCount;
}
void createCOMInterfaces () {
/* Create each of the interfaces that this object implements */
supports = new XPCOMObject (new int[] {2, 0, 0}) {
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 ();}
};
download = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1}) {
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 Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
};
progressDialog = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}) {
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 Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
public int /*long*/ method16 (int /*long*/[] args) {return Open (args[0]);}
public int /*long*/ method17 (int /*long*/[] args) {return GetCancelDownloadOnClose (args[0]);}
public int /*long*/ method18 (int /*long*/[] args) {return SetCancelDownloadOnClose ((int)/*64*/args[0]);}
public int /*long*/ method19 (int /*long*/[] args) {return GetDialog (args[0]);}
public int /*long*/ method20 (int /*long*/[] args) {return SetDialog (args[0]);}
};
webProgressListener = new XPCOMObject (new int[] {2, 0, 0, 4, 6, 3, 4, 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 OnStateChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3]);}
public int /*long*/ method4 (int /*long*/[] args) {return OnProgressChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], (int)/*64*/args[4], (int)/*64*/args[5]);}
public int /*long*/ method5 (int /*long*/[] args) {return OnLocationChange (args[0], args[1], args[2]);}
public int /*long*/ method6 (int /*long*/[] args) {return OnStatusChange (args[0], args[1], (int)/*64*/args[2], args[3]);}
public int /*long*/ method7 (int /*long*/[] args) {return OnSecurityChange (args[0], args[1], (int)/*64*/args[2]);}
};
}
void disposeCOMInterfaces () {
if (supports != null) {
supports.dispose ();
supports = null;
}
if (download != null) {
download.dispose ();
download = null;
}
if (progressDialog != null) {
progressDialog.dispose ();
progressDialog = null;
}
if (webProgressListener != null) {
webProgressListener.dispose ();
webProgressListener = null;
}
}
int /*long*/ getAddress () {
return progressDialog.getAddress ();
}
int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
if (riid == 0 || ppvObject == 0) return XPCOM.NS_ERROR_NO_INTERFACE;
nsID guid = new nsID ();
XPCOM.memmove (guid, riid, nsID.sizeof);
if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
AddRef();
return XPCOM.NS_OK;
}
if (guid.Equals (nsIDownload.NS_IDOWNLOAD_IID)) {
XPCOM.memmove (ppvObject, new int /*long*/[] {download.getAddress ()}, C.PTR_SIZEOF);
AddRef();
return XPCOM.NS_OK;
}
if (guid.Equals (nsIProgressDialog.NS_IPROGRESSDIALOG_IID)) {
XPCOM.memmove (ppvObject, new int /*long*/[] {progressDialog.getAddress ()}, C.PTR_SIZEOF);
AddRef();
return XPCOM.NS_OK;
}
if (guid.Equals (nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID)) {
XPCOM.memmove (ppvObject, new int /*long*/[] {webProgressListener.getAddress ()}, C.PTR_SIZEOF);
AddRef();
return XPCOM.NS_OK;
}
XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
return XPCOM.NS_ERROR_NO_INTERFACE;
}
int Release () {
refCount--;
if (refCount == 0) disposeCOMInterfaces ();
return refCount;
}
/* nsIDownload */
/* Note. The argument startTime is defined as a PRInt64. This translates into two java ints. */
int Init (int /*long*/ aSource, int /*long*/ aTarget, int /*long*/ aDisplayName, int /*long*/ aMIMEInfo, int /*long*/ startTime1, int /*long*/ startTime2, int /*long*/ aPersist) {
nsIURI source = new nsIURI (aSource);
int /*long*/ aSpec = XPCOM.nsEmbedCString_new ();
int rc = source.GetHost (aSpec);
if (rc != XPCOM.NS_OK) Mozilla.error (rc);
int length = XPCOM.nsEmbedCString_Length (aSpec);
int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
byte[] dest = new byte[length];
XPCOM.memmove (dest, buffer, length);
XPCOM.nsEmbedCString_delete (aSpec);
String url = new String (dest);
/*
* As of mozilla 1.7 the second argument of the nsIDownload interface's
* Init function changed from nsILocalFile to nsIURI. Detect which of
* these interfaces the second argument implements and act accordingly.
*/
String filename = null;
nsISupports supports = new nsISupports (aTarget);
int /*long*/[] result = new int /*long*/[1];
rc = supports.QueryInterface (!Mozilla.IsPre_4 ? nsIURI.NS_IURI_10_IID : nsIURI.NS_IURI_IID, result);
if (rc == XPCOM.NS_OK) { /* >= 1.7 */
nsIURI target = new nsIURI (result[0]);
result[0] = 0;
int /*long*/ aPath = XPCOM.nsEmbedCString_new ();
rc = target.GetPath (aPath);
if (rc != XPCOM.NS_OK) Mozilla.error (rc);
length = XPCOM.nsEmbedCString_Length (aPath);
buffer = XPCOM.nsEmbedCString_get (aPath);
dest = new byte[length];
XPCOM.memmove (dest, buffer, length);
XPCOM.nsEmbedCString_delete (aPath);
filename = new String (dest);
int separator = filename.lastIndexOf (System.getProperty ("file.separator")); //$NON-NLS-1$
filename = filename.substring (separator + 1);
target.Release ();
} else { /* < 1.7 */
nsILocalFile target = new nsILocalFile (aTarget);
int /*long*/ aNativeTarget = XPCOM.nsEmbedString_new ();
rc = target.GetLeafName (aNativeTarget);
if (rc != XPCOM.NS_OK) Mozilla.error (rc);
length = XPCOM.nsEmbedString_Length (aNativeTarget);
buffer = XPCOM.nsEmbedString_get (aNativeTarget);
char[] chars = new char[length];
XPCOM.memmove (chars, buffer, length * 2);
XPCOM.nsEmbedString_delete (aNativeTarget);
filename = new String (chars);
}
Listener listener = new Listener () {
public void handleEvent (Event event) {
if (event.widget == cancel) {
shell.close ();
}
if (helperAppLauncher != null) {
helperAppLauncher.Cancel ();
helperAppLauncher.Release ();
}
shell = null;
helperAppLauncher = null;
}
};
shell = new Shell (SWT.DIALOG_TRIM);
String msg = Compatibility.getMessage ("SWT_Download_File", new Object[] {filename}); //$NON-NLS-1$
shell.setText (msg);
GridLayout gridLayout = new GridLayout ();
gridLayout.marginHeight = 15;
gridLayout.marginWidth = 15;
gridLayout.verticalSpacing = 20;
shell.setLayout(gridLayout);
msg = Compatibility.getMessage ("SWT_Download_Location", new Object[] {filename, url}); //$NON-NLS-1$
new Label (shell, SWT.WRAP).setText (msg);
status = new Label (shell, SWT.WRAP);
msg = Compatibility.getMessage ("SWT_Download_Started"); //$NON-NLS-1$
status.setText (msg);
GridData data = new GridData ();
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
status.setLayoutData (data);
cancel = new Button (shell, SWT.PUSH);
cancel.setText (SWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
data = new GridData ();
data.horizontalAlignment = GridData.CENTER;
cancel.setLayoutData (data);
cancel.addListener (SWT.Selection, listener);
shell.addListener (SWT.Close, listener);
shell.pack ();
shell.open ();
return XPCOM.NS_OK;
}
int GetSource (int /*long*/ aSource) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetTarget (int /*long*/ aTarget) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetPersist (int /*long*/ aPersist) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetPercentComplete (int /*long*/ aPercentComplete) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetDisplayName (int /*long*/ aDisplayName) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int SetDisplayName (int /*long*/ aDisplayName) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetStartTime (int /*long*/ aStartTime) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetMIMEInfo (int /*long*/ aMIMEInfo) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetListener (int /*long*/ aListener) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int SetListener (int /*long*/ aListener) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetObserver (int /*long*/ aObserver) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int SetObserver (int /*long*/ aObserver) {
if (aObserver != 0) {
nsISupports supports = new nsISupports (aObserver);
int /*long*/[] result = new int /*long*/[1];
int rc = supports.QueryInterface (nsIHelperAppLauncher.NS_IHELPERAPPLAUNCHER_IID, result);
if (rc != XPCOM.NS_OK) Mozilla.error (rc);
if (result[0] == 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
helperAppLauncher = new nsIHelperAppLauncher (result[0]);
}
return XPCOM.NS_OK;
}
/* nsIProgressDialog */
int Open (int /*long*/ aParent) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetCancelDownloadOnClose (int /*long*/ aCancelDownloadOnClose) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int SetCancelDownloadOnClose (int aCancelDownloadOnClose) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int GetDialog (int /*long*/ aDialog) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
int SetDialog (int /*long*/ aDialog) {
return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
}
/* nsIWebProgressListener */
int OnStateChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStateFlags, int aStatus) {
if ((aStateFlags & nsIWebProgressListener.STATE_STOP) != 0) {
if (helperAppLauncher != null) helperAppLauncher.Release ();
helperAppLauncher = null;
if (shell != null && !shell.isDisposed ()) shell.dispose ();
shell = null;
}
return XPCOM.NS_OK;
}
int OnProgressChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aCurSelfProgress, int aMaxSelfProgress, int aCurTotalProgress, int aMaxTotalProgress) {
int currentKBytes = aCurTotalProgress / 1024;
int totalKBytes = aMaxTotalProgress / 1024;
if (shell != null && !shell.isDisposed ()) {
Object[] arguments = {new Integer (currentKBytes), new Integer (totalKBytes)};
String statusMsg = Compatibility.getMessage ("SWT_Download_Status", arguments); //$NON-NLS-1$
status.setText (statusMsg);
shell.layout (true);
shell.getDisplay ().update ();
}
return XPCOM.NS_OK;
}
int OnLocationChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aLocation) {
return XPCOM.NS_OK;
}
int OnStatusChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStatus, int /*long*/ aMessage) {
return XPCOM.NS_OK;
}
int OnSecurityChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int state) {
return XPCOM.NS_OK;
}
}