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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.applications.manageapplications;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.os.UserHandle;
     23 import android.provider.DocumentsContract;
     24 import android.support.annotation.WorkerThread;
     25 import android.text.format.Formatter;
     26 import android.util.Log;
     27 
     28 import com.android.settings.R;
     29 import com.android.settings.Utils;
     30 import com.android.settingslib.applications.StorageStatsSource;
     31 
     32 import java.io.IOException;
     33 
     34 /**
     35  * MusicViewHolderController controls an Audio/Music file view in the ManageApplications view.
     36  */
     37 public class MusicViewHolderController implements FileViewHolderController {
     38     private static final String TAG = "MusicViewHolderCtrl";
     39 
     40     private static final String AUTHORITY_MEDIA = "com.android.providers.media.documents";
     41 
     42     private Context mContext;
     43     private StorageStatsSource mSource;
     44     private String mVolumeUuid;
     45     private long mMusicSize;
     46     private UserHandle mUser;
     47 
     48     public MusicViewHolderController(
     49             Context context, StorageStatsSource source, String volumeUuid, UserHandle user) {
     50         mContext = context;
     51         mSource = source;
     52         mVolumeUuid = volumeUuid;
     53         mUser = user;
     54     }
     55 
     56     @Override
     57     @WorkerThread
     58     public void queryStats() {
     59         try {
     60             mMusicSize = mSource.getExternalStorageStats(mVolumeUuid, mUser).audioBytes;
     61         } catch (IOException e) {
     62             mMusicSize = 0;
     63             Log.w(TAG, e);
     64         }
     65     }
     66 
     67     @Override
     68     public boolean shouldShow() {
     69         return true;
     70     }
     71 
     72     @Override
     73     public void setupView(ApplicationViewHolder holder) {
     74         holder.setIcon(R.drawable.ic_headset_24dp);
     75         holder.setTitle(mContext.getText(R.string.audio_files_title));
     76         holder.setSummary(Formatter.formatFileSize(mContext, mMusicSize));
     77     }
     78 
     79     @Override
     80     public void onClick(Fragment fragment) {
     81         Intent intent = new Intent(Intent.ACTION_VIEW);
     82         intent.setDataAndType(
     83                 DocumentsContract.buildRootUri(AUTHORITY_MEDIA, "audio_root"),
     84                 DocumentsContract.Root.MIME_TYPE_ITEM);
     85         intent.addCategory(Intent.CATEGORY_DEFAULT);
     86         intent.putExtra(Intent.EXTRA_USER_ID, mUser);
     87         Utils.launchIntent(fragment, intent);
     88     }
     89 }
     90