| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.documentsui.services; |
| |
| import static com.android.documentsui.base.Shared.DEBUG; |
| import static com.android.documentsui.services.FileOperationService.OPERATION_MOVE; |
| |
| import android.app.Notification; |
| import android.app.Notification.Builder; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.os.Messenger; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| import android.provider.DocumentsContract; |
| import android.provider.DocumentsContract.Document; |
| import android.util.Log; |
| |
| import com.android.documentsui.Metrics; |
| import com.android.documentsui.R; |
| import com.android.documentsui.archives.ArchivesProvider; |
| import com.android.documentsui.base.DocumentInfo; |
| import com.android.documentsui.base.DocumentStack; |
| import com.android.documentsui.clipping.UrisSupplier; |
| |
| import java.io.FileNotFoundException; |
| |
| import javax.annotation.Nullable; |
| |
| // TODO: Stop extending CopyJob. |
| final class CompressJob extends CopyJob { |
| |
| private static final String TAG = "CompressJob"; |
| private static final String NEW_ARCHIVE_EXTENSION = ".zip"; |
| |
| /** |
| * Moves files to a destination identified by {@code destination}. |
| * Performs most work by delegating to CopyJob, then deleting |
| * a file after it has been copied. |
| * |
| * @see @link {@link Job} constructor for most param descriptions. |
| */ |
| CompressJob(Context service, Listener listener, |
| String id, DocumentStack destination, UrisSupplier srcs, Messenger messenger) { |
| super(service, listener, id, OPERATION_MOVE, destination, srcs, messenger); |
| } |
| |
| @Override |
| Builder createProgressBuilder() { |
| return super.createProgressBuilder( |
| service.getString(R.string.compress_notification_title), |
| R.drawable.ic_menu_compress, |
| service.getString(android.R.string.cancel), |
| R.drawable.ic_cab_cancel); |
| } |
| |
| @Override |
| public Notification getSetupNotification() { |
| return getSetupNotification(service.getString(R.string.compress_preparing)); |
| } |
| |
| @Override |
| public Notification getProgressNotification() { |
| return getProgressNotification(R.string.copy_remaining); |
| } |
| |
| @Override |
| Notification getFailureNotification() { |
| return getFailureNotification( |
| R.plurals.compress_error_notification_title, R.drawable.ic_menu_compress); |
| } |
| |
| @Override |
| public boolean setUp() { |
| if (!super.setUp()) { |
| return false; |
| } |
| |
| final ContentResolver resolver = appContext.getContentResolver(); |
| |
| // TODO: Move this to DocumentsProvider. |
| |
| String displayName; |
| if (mResolvedDocs.size() == 1) { |
| displayName = mResolvedDocs.get(0).displayName + NEW_ARCHIVE_EXTENSION; |
| } else { |
| displayName = service.getString(R.string.new_archive_file_name, NEW_ARCHIVE_EXTENSION); |
| } |
| |
| final Uri archiveUri = DocumentsContract.createDocument( |
| resolver, mDstInfo.derivedUri, "application/zip", displayName); |
| |
| try { |
| mDstInfo = DocumentInfo.fromUri(resolver, ArchivesProvider.buildUriForArchive( |
| archiveUri, ParcelFileDescriptor.MODE_WRITE_ONLY)); |
| ArchivesProvider.acquireArchive(getClient(mDstInfo), mDstInfo.derivedUri); |
| } catch (FileNotFoundException e) { |
| Log.e(TAG, "Failed to create dstInfo.", e); |
| failureCount = mResourceUris.getItemCount(); |
| return false; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to acquire the archive.", e); |
| failureCount = mResourceUris.getItemCount(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| void finish() { |
| try { |
| ArchivesProvider.releaseArchive(getClient(mDstInfo), mDstInfo.derivedUri); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to release the archive."); |
| } |
| |
| // TODO: Remove the archive file in case of an error. |
| |
| super.finish(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * Only check space for moves across authorities. For now we don't know if the doc in |
| * {@link #mSrcs} is in the same root of destination, and if it's optimized move in the same |
| * root it should succeed regardless of free space, but it's for sure a failure if there is no |
| * enough free space if docs are moved from another authority. |
| */ |
| @Override |
| boolean checkSpace() { |
| // We're unable to say how much space the archive will take, so assume |
| // it will fit. |
| return true; |
| } |
| |
| void processDocument(DocumentInfo src, DocumentInfo dest) throws ResourceException { |
| byteCopyDocument(src, dest); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder() |
| .append("CompressJob") |
| .append("{") |
| .append("id=" + id) |
| .append(", uris=" + mResourceUris) |
| .append(", docs=" + mResolvedDocs) |
| .append(", destination=" + stack) |
| .append("}") |
| .toString(); |
| } |
| } |