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Code Issues Packages Projects Releases Wiki Activity

Downloads can now be cancelled

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This commit is contained in:
daniel oeh 2012-08-16 19:30:19 +02:00
parent e8894926ff
commit 697c00e0eb
3 changed files with 61 additions and 30 deletions
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59
src/de/danoeh/antennapod/service/download/DownloadService.java
View File

@ -71,11 +71,15 @@ public class DownloadService extends Service {
* If the DownloadService receives this intent, it will execute
* queryDownloads()
*/
public static final String ACTION_NOTIFY_DOWNLOADS_CHANGED = "action.de.danoeh.antennapod.service.notifyDownloadsChanged";
public static final String ACTION_ENQUEUE_DOWNLOAD = "action.de.danoeh.antennapod.service.enqueueDownload";
public static final String ACTION_CANCEL_DOWNLOAD = "action.de.danoeh.antennapod.service.cancelDownload";
public static final String ACTION_CANCEL_ALL_DOWNLOADS = "action.de.danoeh.antennapod.service.cancelAllDownloads";
/** Extra for ACTION_CANCEL_DOWNLOAD */
public static final String EXTRA_DOWNLOAD_URL = "downloadUrl";
public static final String ACTION_DOWNLOAD_HANDLED = "action.de.danoeh.antennapod.service.download_handled";
public static final String EXTRA_DOWNLOAD_ID = "extra.de.danoeh.antennapod.service.download_id";
/** Extra for ACTION_ENQUEUE_DOWNLOAD intent. */
@ -133,10 +137,14 @@ public class DownloadService extends Service {
isRunning = true;
completedDownloads = new ArrayList<DownloadStatus>();
downloads = new ArrayList<Downloader>();
registerReceiver(onDownloadsChanged, new IntentFilter(
ACTION_NOTIFY_DOWNLOADS_CHANGED));
registerReceiver(downloadQueued, new IntentFilter(
ACTION_ENQUEUE_DOWNLOAD));
IntentFilter cancelDownloadReceiverFilter = new IntentFilter();
cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_ALL_DOWNLOADS);
cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_DOWNLOAD);
registerReceiver(cancelDownloadReceiver, cancelDownloadReceiverFilter);
syncExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
@Override
@ -188,7 +196,7 @@ public class DownloadService extends Service {
Log.d(TAG, "Service shutting down");
isRunning = false;
mediaplayer.release();
unregisterReceiver(onDownloadsChanged);
unregisterReceiver(cancelDownloadReceiver);
unregisterReceiver(downloadQueued);
downloadObserver.cancel(true);
createReport();
@ -243,14 +251,46 @@ public class DownloadService extends Service {
Log.d(TAG, "Notification set up");
}
private BroadcastReceiver onDownloadsChanged = new BroadcastReceiver() {
private Downloader getDownloader(String downloadUrl) {
for (Downloader downloader : downloads) {
if (downloader.getStatus().getFeedFile().getDownload_url()
.equals(downloadUrl)) {
return downloader;
}
}
return null;
}
private BroadcastReceiver cancelDownloadReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ACTION_NOTIFY_DOWNLOADS_CHANGED)) {
queryDownloads();
if (intent.getAction().equals(ACTION_CANCEL_DOWNLOAD)) {
String url = intent.getStringExtra(EXTRA_DOWNLOAD_URL);
if (url == null) {
throw new IllegalArgumentException(
"ACTION_CANCEL_DOWNLOAD intent needs download url extra");
}
if (AppConfig.DEBUG)
Log.d(TAG, "Cancelling download with url " + url);
Downloader d = getDownloader(url);
if (d != null) {
d.interrupt();
removeDownload(d.getStatus());
} else {
Log.e(TAG, "Could not cancel download with url " + url);
}
} else if (intent.getAction().equals(ACTION_CANCEL_ALL_DOWNLOADS)) {
for (Downloader d : downloads) {
d.interrupt();
removeDownload(d.getStatus());
if (AppConfig.DEBUG)
Log.d(TAG, "Cancelled all downloads");
}
}
}
};
private BroadcastReceiver downloadQueued = new BroadcastReceiver() {
@ -348,6 +388,7 @@ public class DownloadService extends Service {
private void removeDownload(DownloadStatus status) {
downloads.remove(status);
DownloadRequester.getInstance().removeDownload(status.getFeedFile());
status.getFeedFile().setFile_url(null);
}
/**
@ -444,7 +485,7 @@ public class DownloadService extends Service {
/** Check if there's something else to download, otherwise stop */
void queryDownloads() {
int numOfDownloads = requester.getNumberOfDownloads();
int numOfDownloads = downloads.size();
if (!shutdownInitiated && numOfDownloads == 0) {
shutdownInitiated = true;
initiateShutdown();

6
src/de/danoeh/antennapod/service/download/Downloader.java
View File

@ -37,7 +37,7 @@ public abstract class Downloader extends Thread {
});
}
}
protected void publishProgress() {
status.setUpdateAvailable(true);
}
@ -49,4 +49,8 @@ public abstract class Downloader extends Thread {
download();
}
public DownloadStatus getStatus() {
return status;
}
}

26
src/de/danoeh/antennapod/storage/DownloadRequester.java
View File

@ -109,28 +109,19 @@ public class DownloadRequester {
/**
* Cancels a running download.
* */
public void cancelDownload(final Context context, final String download_url) {
public void cancelDownload(final Context context, final String downloadUrl) {
if (AppConfig.DEBUG)
Log.d(TAG, "Cancelling download with url " + download_url);
FeedFile download = downloads.remove(download_url);
if (download != null) {
download.setFile_url(null);
notifyDownloadService(context);
}
Log.d(TAG, "Cancelling download with url " + downloadUrl);
Intent cancelIntent = new Intent(DownloadService.ACTION_CANCEL_DOWNLOAD);
cancelIntent.putExtra(DownloadService.EXTRA_DOWNLOAD_URL, downloadUrl);
}
/** Cancels all running downloads */
public void cancelAllDownloads(Context context) {
if (AppConfig.DEBUG)
Log.d(TAG, "Cancelling all running downloads");
DownloadManager dm = (DownloadManager) context
.getSystemService(Context.DOWNLOAD_SERVICE);
for (FeedFile f : downloads.values()) {
dm.remove(f.getDownloadId());
f.setFile_url(null);
}
downloads.clear();
notifyDownloadService(context);
context.sendBroadcast(new Intent(
DownloadService.ACTION_CANCEL_ALL_DOWNLOADS));
}
/** Returns true if there is at least one Feed in the downloads queue. */
@ -206,9 +197,4 @@ public class DownloadRequester {
media.getMime_type());
}
/** Notifies the DownloadService to check if there are any Downloads left */
public void notifyDownloadService(Context context) {
context.sendBroadcast(new Intent(
DownloadService.ACTION_NOTIFY_DOWNLOADS_CHANGED));
}
}