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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;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.graphics.drawable.InsetDrawable;
     23 import android.os.UserHandle;
     24 import android.provider.DocumentsContract;
     25 import android.support.annotation.WorkerThread;
     26 import android.text.format.Formatter;
     27 import android.util.Log;
     28 
     29 import com.android.settings.R;
     30 import com.android.settings.Utils;
     31 import com.android.settingslib.applications.StorageStatsSource;
     32 
     33 import java.io.IOException;
     34 
     35 /**
     36  * MusicViewHolderController controls an Audio/Music file view in the ManageApplications view.
     37  */
     38 public class MusicViewHolderController implements FileViewHolderController {
     39     private static final String TAG = "MusicViewHolderController";
     40 
     41     private static final String AUTHORITY_MEDIA = "com.android.providers.media.documents";
     42     private static final int INSET_SIZE = 24; // dp
     43 
     44     private Context mContext;
     45     private StorageStatsSource mSource;
     46     private String mVolumeUuid;
     47     private long mMusicSize;
     48     private UserHandle mUser;
     49 
     50     public MusicViewHolderController(
     51             Context context, StorageStatsSource source, String volumeUuid, UserHandle user) {
     52         mContext = context;
     53         mSource = source;
     54         mVolumeUuid = volumeUuid;
     55         mUser = user;
     56     }
     57 
     58     @Override
     59     @WorkerThread
     60     public void queryStats() {
     61         try {
     62             mMusicSize = mSource.getExternalStorageStats(mVolumeUuid, mUser).audioBytes;
     63         } catch (IOException e) {
     64             mMusicSize = 0;
     65             Log.w(TAG, e);
     66         }
     67     }
     68 
     69     @Override
     70     public boolean shouldShow() {
     71         return true;
     72     }
     73 
     74     @Override
     75     public void setupView(AppViewHolder holder) {
     76         holder.appIcon.setImageDrawable(
     77                 new InsetDrawable(mContext.getDrawable(R.drawable.ic_headset_24dp), INSET_SIZE));
     78         holder.appName.setText(mContext.getText(R.string.audio_files_title));
     79         holder.summary.setText(Formatter.formatFileSize(mContext, mMusicSize));
     80     }
     81 
     82     @Override
     83     public void onClick(Fragment fragment) {
     84         Intent intent = new Intent(Intent.ACTION_VIEW);
     85         intent.setDataAndType(
     86                 DocumentsContract.buildRootUri(AUTHORITY_MEDIA, "audio_root"),
     87                 DocumentsContract.Root.MIME_TYPE_ITEM);
     88         intent.addCategory(Intent.CATEGORY_DEFAULT);
     89         intent.putExtra(Intent.EXTRA_USER_ID, mUser);
     90         Utils.launchIntent(fragment, intent);
     91     }
     92 }
     93