| /* |
| * 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.Environment; |
| import android.provider.Downloads; |
| import android.provider.MediaStore; |
| import android.util.Log; |
| |
| import java.io.File; |
| |
| /** |
| * Job to update MediaProvider with all the downloads and force mediascan on them. |
| */ |
| public class MediaScanTriggerJob extends JobService { |
| private volatile boolean mJobStopped; |
| |
| @Override |
| public boolean onStartJob(JobParameters parameters) { |
| if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { |
| // External storage is not available yet, so defer this job to a later time. |
| jobFinished(parameters, true /* reschedule */); |
| return false; |
| } |
| 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 cpc |
| = getContentResolver().acquireContentProviderClient(Downloads.Impl.AUTHORITY); |
| ContentProviderClient mediaProviderClient |
| = getContentResolver().acquireContentProviderClient(MediaStore.AUTHORITY)) { |
| final DownloadProvider downloadProvider |
| = ((DownloadProvider) cpc.getLocalContentProvider()); |
| try (Cursor cursor = downloadProvider.query(ALL_DOWNLOADS_CONTENT_URI, |
| null, selection, null, null)) { |
| |
| final DownloadInfo.Reader reader |
| = new DownloadInfo.Reader(getContentResolver(), cursor); |
| final DownloadInfo info = new DownloadInfo(MediaScanTriggerJob.this); |
| while (cursor.moveToNext()) { |
| if (mJobStopped) { |
| return; |
| } |
| reader.updateFromDatabase(info); |
| // This indicates that this entry has been handled already (perhaps when |
| // this job ran earlier and got preempted), so skip. |
| if (info.mMediaStoreUri != null) { |
| continue; |
| } |
| final ContentValues mediaValues; |
| try { |
| mediaValues = downloadProvider.convertToMediaProviderValues(info); |
| } catch (IllegalArgumentException e) { |
| Log.e(Constants.TAG, |
| "Error getting media content values from " + info, e); |
| continue; |
| } |
| // Overriding size column value to 0 for forcing the mediascan |
| // later (to address http://b/138419471). |
| mediaValues.put(MediaStore.Files.FileColumns.SIZE, 0); |
| downloadProvider.updateMediaProvider(mediaProviderClient, mediaValues); |
| |
| final Uri mediaStoreUri = Helpers.triggerMediaScan(mediaProviderClient, |
| new File(info.mFileName)); |
| if (mediaStoreUri != null) { |
| final ContentValues downloadValues = new ContentValues(); |
| downloadValues.put(COLUMN_MEDIASTORE_URI, mediaStoreUri.toString()); |
| downloadProvider.update(ALL_DOWNLOADS_CONTENT_URI, |
| downloadValues, _ID + "=" + info.mId, null); |
| } |
| } |
| } |
| } |
| jobFinished(parameters, false /* reschedule */); |
| }); |
| 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); |
| } |
| } |