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Merge pull request #813 from owncloud/download_folder__improved_cancellation

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Download folder  improved cancellation
This commit is contained in:
jabarros 2014-12-17 13:25:02 +01:00
commit d0aeb54738
4 changed files with 56 additions and 44 deletions
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1
src/com/owncloud/android/files/FileOperationsHelper.java
View file

@ -29,7 +29,6 @@ import android.widget.Toast;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.files.services.FileDownloader;
import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;

7
src/com/owncloud/android/files/services/FileDownloader.java
View file

@ -580,12 +580,6 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
* @param file File OCFile
*/
public void cancel(Account account, OCFile file){
if(Looper.myLooper() == Looper.getMainLooper()) {
Log_OC.d(TAG, "Current Thread is Main Thread.");
} else {
Log_OC.d(TAG, "Current Thread is NOT Main Thread.");
}
DownloadFileOperation download = null;
String targetKey = buildRemoteName(account, file);
ArrayList<String> keyItems = new ArrayList<String>();
@ -602,6 +596,7 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
}
}
} else {
// this is not really expected...
Log_OC.d(TAG, "Canceling file download");
keyItems.add(buildRemoteName(account, file));
}

55
src/com/owncloud/android/operations/SynchronizeFolderOperation.java
View file

@ -27,7 +27,6 @@ import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.files.services.FileDownloader;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.operations.OperationCancelledException;
import com.owncloud.android.lib.common.operations.RemoteOperation;
import com.owncloud.android.lib.common.operations.RemoteOperationResult;
import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
import com.owncloud.android.lib.common.utils.Log_OC;
@ -89,7 +88,6 @@ public class SynchronizeFolderOperation extends SyncOperation {
/** 'True' means that the remote folder changed and should be fetched */
private boolean mRemoteFolderChanged;
private final AtomicBoolean mCancellationRequested = new AtomicBoolean(false);
private List<OCFile> mFilesForDirectDownload;
// to avoid extra PROPFINDs when there was no change in the folder
@ -102,6 +100,7 @@ public class SynchronizeFolderOperation extends SyncOperation {
private List<SyncOperation> mFoldersToWalkDown;
private final AtomicBoolean mCancellationRequested;
/**
* Creates a new instance of {@link SynchronizeFolderOperation}.
@ -121,7 +120,7 @@ public class SynchronizeFolderOperation extends SyncOperation {
mFilesToSyncContentsWithoutUpload = new Vector<SyncOperation>();
mFavouriteFilesToSyncContents = new Vector<SyncOperation>();
mFoldersToWalkDown = new Vector<SyncOperation>();
mCancellationRequested = new AtomicBoolean(false);
}
@ -144,16 +143,7 @@ public class SynchronizeFolderOperation extends SyncOperation {
mFailsInFileSyncsFound = 0;
mConflictsFound = 0;
synchronized(mCancellationRequested) {
if (mCancellationRequested.get()) {
// Cancel each operation in mFoldersToWalkDown
for (SyncOperation synchOp: mFoldersToWalkDown) {
((SynchronizeFolderOperation) synchOp).cancel();
}
return new RemoteOperationResult(new OperationCancelledException());
}
}
try {
// get locally cached information about folder
mLocalFolder = getStorageManager().getFileByPath(mRemotePath);
@ -171,17 +161,29 @@ public class SynchronizeFolderOperation extends SyncOperation {
syncContents(client);
}
}
} catch (OperationCancelledException e) {
result = new RemoteOperationResult(e);
// cancel 'child' synchronizations
for (SyncOperation synchOp: mFoldersToWalkDown) {
((SynchronizeFolderOperation) synchOp).cancel();
}
}
return result;
}
private RemoteOperationResult checkForChanges(OwnCloudClient client) {
private RemoteOperationResult checkForChanges(OwnCloudClient client) throws OperationCancelledException {
Log_OC.d(TAG, "Checking changes in " + mAccount.name + mRemotePath);
mRemoteFolderChanged = true;
RemoteOperationResult result = null;
if (mCancellationRequested.get()) {
throw new OperationCancelledException();
}
// remote request
ReadRemoteFileOperation operation = new ReadRemoteFileOperation(mRemotePath);
result = operation.execute(client);
@ -215,7 +217,11 @@ public class SynchronizeFolderOperation extends SyncOperation {
}
private RemoteOperationResult fetchAndSyncRemoteFolder(OwnCloudClient client) {
private RemoteOperationResult fetchAndSyncRemoteFolder(OwnCloudClient client) throws OperationCancelledException {
if (mCancellationRequested.get()) {
throw new OperationCancelledException();
}
ReadRemoteFolderOperation operation = new ReadRemoteFolderOperation(mRemotePath);
RemoteOperationResult result = operation.execute(client);
Log_OC.d(TAG, "Synchronizing " + mAccount.name + mRemotePath);
@ -399,7 +405,7 @@ public class SynchronizeFolderOperation extends SyncOperation {
}
private void syncContents(OwnCloudClient client) {
private void syncContents(OwnCloudClient client) throws OperationCancelledException {
startDirectDownloads();
startContentSynchronizations(mFilesToSyncContentsWithoutUpload, client);
startContentSynchronizations(mFavouriteFilesToSyncContents, client);
@ -407,8 +413,11 @@ public class SynchronizeFolderOperation extends SyncOperation {
}
private void startDirectDownloads() {
private void startDirectDownloads() throws OperationCancelledException {
for (OCFile file : mFilesForDirectDownload) {
if (mCancellationRequested.get()) {
throw new OperationCancelledException();
}
Intent i = new Intent(mContext, FileDownloader.class);
i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
i.putExtra(FileDownloader.EXTRA_FILE, file);
@ -426,9 +435,14 @@ public class SynchronizeFolderOperation extends SyncOperation {
* @param filesToSyncContents Synchronization operations to execute.
* @param client Interface to the remote ownCloud server.
*/
private void startContentSynchronizations(List<SyncOperation> filesToSyncContents, OwnCloudClient client) {
private void startContentSynchronizations(List<SyncOperation> filesToSyncContents, OwnCloudClient client)
throws OperationCancelledException {
RemoteOperationResult contentsResult = null;
for (SyncOperation op: filesToSyncContents) {
if (mCancellationRequested.get()) {
throw new OperationCancelledException();
}
contentsResult = op.execute(getStorageManager(), mContext);
if (!contentsResult.isSuccess()) {
if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
@ -449,9 +463,12 @@ public class SynchronizeFolderOperation extends SyncOperation {
}
private void walkSubfolders(OwnCloudClient client) {
private void walkSubfolders(OwnCloudClient client) throws OperationCancelledException {
RemoteOperationResult contentsResult = null;
for (SyncOperation op: mFoldersToWalkDown) {
if (mCancellationRequested.get()) {
throw new OperationCancelledException();
}
contentsResult = op.execute(client, getStorageManager()); // to watch out: possibly deep recursion
if (!contentsResult.isSuccess()) {
// TODO - some kind of error count, and use it with notifications

7
src/com/owncloud/android/services/OperationsService.java
View file

@ -495,12 +495,13 @@ public class OperationsService extends Service {
syncOperation.cancel();
}
Intent intent = new Intent( MainApp.getAppContext(), FileDownloader.class);
/// cancellation of download needs to be done separately in any case; a SynchronizeFolderOperation
// may finish much sooner than the real download of the files in the folder
Intent intent = new Intent(mService, FileDownloader.class);
intent.setAction(FileDownloader.ACTION_CANCEL_FILE_DOWNLOAD);
intent.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
intent.putExtra(FileDownloader.EXTRA_FILE, file);
MainApp.getAppContext().startService(intent);
mService.startService(intent);
}
/**