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.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 = "MusicViewHolderController";
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 
MusicViewHolderController( Context context, StorageStatsSource source, String volumeUuid, UserHandle user)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
queryStats()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
shouldShow()68     public boolean shouldShow() {
69         return true;
70     }
71 
72     @Override
setupView(AppViewHolder holder)73     public void setupView(AppViewHolder holder) {
74         holder.appIcon.setImageDrawable(mContext.getDrawable(R.drawable.ic_headset_24dp));
75         holder.appName.setText(mContext.getText(R.string.audio_files_title));
76         holder.summary.setText(Formatter.formatFileSize(mContext, mMusicSize));
77     }
78 
79     @Override
onClick(Fragment fragment)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