diff options
Diffstat (limited to 'src/com/android/providers/downloads/MediaScanTriggerJob.java')
-rw-r--r-- | src/com/android/providers/downloads/MediaScanTriggerJob.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/com/android/providers/downloads/MediaScanTriggerJob.java b/src/com/android/providers/downloads/MediaScanTriggerJob.java new file mode 100644 index 00000000..8da25258 --- /dev/null +++ b/src/com/android/providers/downloads/MediaScanTriggerJob.java @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2019 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.providers.downloads; + +import static android.provider.BaseColumns._ID; +import static android.provider.Downloads.Impl.ALL_DOWNLOADS_CONTENT_URI; +import static android.provider.Downloads.Impl.COLUMN_DESTINATION; +import static android.provider.Downloads.Impl.COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI; +import static android.provider.Downloads.Impl.COLUMN_MEDIASTORE_URI; +import static android.provider.Downloads.Impl.COLUMN_MEDIA_SCANNED; +import static android.provider.Downloads.Impl.DESTINATION_EXTERNAL; +import static android.provider.Downloads.Impl.DESTINATION_FILE_URI; +import static android.provider.Downloads.Impl.DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD; +import static android.provider.Downloads.Impl.MEDIA_SCANNED; +import static android.provider.Downloads.Impl._DATA; + +import static com.android.providers.downloads.Constants.MEDIA_SCAN_TRIGGER_JOB_ID; + +import android.app.job.JobInfo; +import android.app.job.JobParameters; +import android.app.job.JobScheduler; +import android.app.job.JobService; +import android.content.ComponentName; +import android.content.ContentProviderClient; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.os.RemoteException; +import android.provider.Downloads; +import android.provider.MediaStore; + +import java.io.File; + +/** + * Clean-up job to force mediascan on downloads which should have been but didn't get mediascanned. + */ +public class MediaScanTriggerJob extends JobService { + private volatile boolean mJobStopped; + + @Override + public boolean onStartJob(JobParameters parameters) { + Helpers.getAsyncHandler().post(() -> { + final String selection = _DATA + " IS NOT NULL" + + " AND (" + COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI + "=1" + + " OR " + COLUMN_MEDIA_SCANNED + "=" + MEDIA_SCANNED + ")" + + " AND (" + COLUMN_DESTINATION + "=" + DESTINATION_EXTERNAL + + " OR " + COLUMN_DESTINATION + "=" + DESTINATION_FILE_URI + + " OR " + COLUMN_DESTINATION + "=" + DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD + + ")"; + try (ContentProviderClient downloadProviderClient + = getContentResolver().acquireContentProviderClient(Downloads.Impl.AUTHORITY); + ContentProviderClient mediaProviderClient + = getContentResolver().acquireContentProviderClient(MediaStore.AUTHORITY)) { + try (Cursor cursor = downloadProviderClient.query(ALL_DOWNLOADS_CONTENT_URI, + new String[] {_ID, _DATA, COLUMN_MEDIASTORE_URI}, + selection, null, null)) { + while (cursor.moveToNext()) { + if (mJobStopped) { + return; + } + // This indicates that this entry has been handled already (perhaps when + // this job ran earlier and got preempted), so skip. + if (cursor.getString(2) != null) { + continue; + } + final long id = cursor.getLong(0); + final String filePath = cursor.getString(1); + final ContentValues mediaValues = new ContentValues(); + mediaValues.put(MediaStore.Files.FileColumns.SIZE, 0); + mediaProviderClient.update(MediaStore.Files.getContentUriForPath(filePath), + mediaValues, + MediaStore.Files.FileColumns.DATA + "=?", + new String[] { filePath }); + + final Uri mediaStoreUri = Helpers.triggerMediaScan(mediaProviderClient, + new File(filePath)); + if (mediaStoreUri != null) { + final ContentValues downloadValues = new ContentValues(); + downloadValues.put(COLUMN_MEDIASTORE_URI, mediaStoreUri.toString()); + downloadProviderClient.update(ALL_DOWNLOADS_CONTENT_URI, + downloadValues, _ID + "=" + id, null); + } + } + } catch (RemoteException e) { + // Should not happen + } + } + jobFinished(parameters, false); + }); + return true; + } + + @Override + public boolean onStopJob(JobParameters parameters) { + mJobStopped = true; + return true; + } + + public static void schedule(Context context) { + final JobScheduler scheduler = context.getSystemService(JobScheduler.class); + final JobInfo job = new JobInfo.Builder(MEDIA_SCAN_TRIGGER_JOB_ID, + new ComponentName(context, MediaScanTriggerJob.class)) + .setRequiresCharging(true) + .setRequiresDeviceIdle(true) + .build(); + scheduler.schedule(job); + } +} |