/*
* File : FileDownloadWindow.java
* Created : 3 nov. 2003 12:51:53
* By : Olivier
*
* Azureus - a Java Bittorrent client
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.ui.swt;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.torrentdownloader.TorrentDownloader;
import org.gudy.azureus2.core3.torrentdownloader.TorrentDownloaderCallBackInterface;
import org.gudy.azureus2.core3.torrentdownloader.TorrentDownloaderFactory;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.ui.swt.components.shell.ShellFactory;
import org.gudy.azureus2.ui.swt.mainwindow.TorrentOpener;
import com.aelitis.azureus.core.AzureusCore;
/**
* @author Olivier
*
*/
public class FileDownloadWindow implements TorrentDownloaderCallBackInterface{
AzureusCore azureus_core;
Display display;
Shell shell;
ProgressBar progressBar;
Label status;
Button retry;
Button cancel;
TorrentDownloader downloader;
TorrentDownloaderCallBackInterface listener;
/**
* Create a file download window. Add torrent when done downloading
*
* @param _azureus_core
* @param parent
* @param url
* @param referrer
*/
public FileDownloadWindow(AzureusCore _azureus_core, Shell parent,
final String url, final String referrer) {
this(_azureus_core, parent, url, referrer, null);
}
/**
* Create a file download window. If no listener is supplied, torrent will
* be added when download is complete. If a listener is supplied, caller
* handles it
*
* @param _azureus_core
* @param parent
* @param url
* @param referrer
* @param listener
*/
public FileDownloadWindow(final AzureusCore _azureus_core, final Shell parent,
final String url, final String referrer,
final TorrentDownloaderCallBackInterface listener) {
Utils.execSWTThread(new AERunnable() {
public void runSupport() {
init(_azureus_core, parent, url, referrer, listener);
}
});
}
private void init(AzureusCore _azureus_core, Shell parent,
final String url, final String referrer,
TorrentDownloaderCallBackInterface listener) {
azureus_core = _azureus_core;
this.listener = listener;
String dirName = null;
if(COConfigurationManager.getBooleanParameter("Save Torrent Files")) {
try {
dirName = COConfigurationManager.getDirectoryParameter("General_sDefaultTorrent_Directory");
} catch(Exception egnore) {}
}
if(dirName == null) {
DirectoryDialog dd = new DirectoryDialog(parent, SWT.NULL);
dd.setText(MessageText.getString("fileDownloadWindow.saveTorrentIn"));
dirName = dd.open();
}
if(dirName == null) return;
this.display = parent.getDisplay();
this.shell = ShellFactory.createShell(parent, SWT.DIALOG_TRIM);
shell.setText(MessageText.getString("fileDownloadWindow.title"));
Utils.setShellIcon(shell);
final FormLayout formLayout = new FormLayout();
formLayout.marginHeight = 5;
formLayout.marginWidth = 5;
formLayout.spacing = 5;
shell.setLayout(formLayout);
FormData data;
Label lDownloading = new Label(shell, SWT.NONE);
lDownloading.setText(MessageText.getString("fileDownloadWindow.downloading"));
Label lLocation = new Label(shell, SWT.WRAP);
data = new FormData();
data.top= new FormAttachment(0, 0);
data.left = new FormAttachment(lDownloading);
data.right = new FormAttachment(100,0);
lLocation.setLayoutData(data);
String shortUrl = url;
// truncate any url parameters for display. This has the benefit of hiding additional uninteresting
// parameters added to urls to control the download process (e.g. "&pause_on_error" for magnet downloads")
int amp_pos = shortUrl.indexOf('&');
if ( amp_pos != -1 ){
shortUrl = shortUrl.substring(0,amp_pos+1) + "...";
}
lLocation.setText(shortUrl.replaceAll("&", "&&"));
lLocation.setToolTipText(url.replaceAll("&", "&&" ));
progressBar = new ProgressBar(shell, SWT.NONE);
progressBar.setMinimum(0);
progressBar.setMaximum(100);
progressBar.setSelection(0);
data = new FormData();
data.top = new FormAttachment(lLocation);
data.left = new FormAttachment(0,0);
data.right = new FormAttachment(100,0);
progressBar.setLayoutData(data);
Label lStatus = new Label(shell, SWT.NONE);
lStatus.setText(MessageText.getString("fileDownloadWindow.status"));
data = new FormData();
data.top = new FormAttachment(progressBar);
data.left = new FormAttachment(0,0);
lStatus.setLayoutData(data);
status = new Label(shell, SWT.WRAP);
data = new FormData();
data.top = new FormAttachment(progressBar);
data.left = new FormAttachment(lStatus);
data.right = new FormAttachment(100,0);
status.setLayoutData(data);
retry = new Button(shell,SWT.PUSH);
retry.setEnabled(false);
retry.setText(MessageText.getString("fileDownloadWindow.retry"));
final String _dirName = dirName;
retry.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
retry.setEnabled(false);
status.setText("");
downloader.cancel();
downloader =
TorrentDownloaderFactory.create(
FileDownloadWindow.this,
url,
referrer,
_dirName);
downloader.start();
}
});
cancel = new Button(shell, SWT.PUSH);
cancel.setText(MessageText.getString("Button.cancel"));
cancel.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
downloader.cancel();
if (!shell.isDisposed())
shell.dispose();
}
});
data = new FormData();
data.top = new FormAttachment(status);
data.right = new FormAttachment(cancel);
data.width = 100;
retry.setLayoutData(data);
data = new FormData();
data.top = new FormAttachment(status);
data.right = new FormAttachment(100,0);
data.width = 100;
cancel.setLayoutData(data);
shell.setDefaultButton( retry );
shell.addListener(SWT.Traverse, new Listener() {
public void handleEvent(Event e) {
if ( e.character == SWT.ESC){
downloader.cancel();
if (!shell.isDisposed())
shell.dispose();
}
}
});
fixupSize();
shell.open();
fixupSize();
downloader = TorrentDownloaderFactory.create(this,url,referrer,dirName);
downloader.start();
}
public void TorrentDownloaderEvent(int state, TorrentDownloader inf) {
if (listener != null)
listener.TorrentDownloaderEvent(state, inf);
update();
}
private void fixupSize() {
shell.update();
shell.layout(true, true);
Point p = shell.computeSize(600, SWT.DEFAULT );
if ( !shell.getSize().equals(p)){
p.y += 15;
shell.setSize( p );
Utils.centreWindow( shell );
shell.layout();
}
}
private void update() {
if(display != null && ! display.isDisposed()) {
display.asyncExec(new AERunnable() {
public void runSupport() {
int percentDone = downloader.getPercentDone();
if(progressBar != null && !progressBar.isDisposed()) {
progressBar.setSelection(percentDone);
}
int state = downloader.getDownloadState();
String stateText;
switch(state) {
case TorrentDownloader.STATE_CANCELLED :
if (!shell.isDisposed())
shell.dispose();
return;
case TorrentDownloader.STATE_DOWNLOADING :
stateText = MessageText.getString("fileDownloadWindow.state_downloading") + ": " + downloader.getStatus();
break;
case TorrentDownloader.STATE_ERROR :
if (!progressBar.isDisposed()) {
progressBar.setSelection(100);
}
stateText = MessageText.getString("fileDownloadWindow.state_error") + downloader.getError();
break;
default :
stateText = "";
}
if(status != null && ! status.isDisposed()) {
status.setText(stateText);
status.setToolTipText(stateText);
}
if(state == TorrentDownloader.STATE_FINISHED) {
//If the Shell has been disposed, then don't process the torrent.
if(shell != null && ! shell.isDisposed()) {
shell.dispose();
if (listener == null)
TorrentOpener.openTorrent(downloader.getFile().getAbsolutePath());
}
}
if ( !shell.isDisposed()){
if(state == TorrentDownloader.STATE_ERROR) {
if(! retry.isDisposed())
retry.setEnabled(true);
}
fixupSize();
}
}
});
}
}
}
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