MusicBrowserActivity.java revision 37ac4438fa1693597cc3b00fb5e24335bdcfab92 
1/*
2 * Copyright (C) 2007 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
17package com.android.music;
18
19import android.app.Activity;
20import android.app.SearchManager;
21import android.content.BroadcastReceiver;
22import android.content.ComponentName;
23import android.content.Context;
24import android.content.Intent;
25import android.content.IntentFilter;
26import android.content.ServiceConnection;
27import android.graphics.drawable.Drawable;
28import android.media.AudioManager;
29import android.media.MediaFile;
30import android.net.Uri;
31import android.os.Bundle;
32import android.os.RemoteException;
33import android.os.IBinder;
34import android.provider.MediaStore;
35import android.util.Log;
36import android.view.Menu;
37import android.view.MenuItem;
38import android.view.MotionEvent;
39import android.view.View;
40import android.view.Window;
41import android.widget.ImageButton;
42import android.widget.TextView;
43
44public class MusicBrowserActivity extends Activity
45    implements MusicUtils.Defs, View.OnClickListener {
46    private View mNowPlayingView;
47    private TextView mTitle;
48    private TextView mArtist;
49    private boolean mAutoShuffle = false;
50    private static final int SEARCH_MUSIC = CHILD_MENU_BASE;
51
52    public MusicBrowserActivity() {
53    }
54
55    /**
56     * Called when the activity is first created.
57     */
58    @Override
59    public void onCreate(Bundle icicle) {
60        super.onCreate(icicle);
61        setVolumeControlStream(AudioManager.STREAM_MUSIC);
62        String shuf = getIntent().getStringExtra("autoshuffle");
63        if ("true".equals(shuf)) {
64            mAutoShuffle = true;
65        }
66        MusicUtils.bindToService(this, new ServiceConnection() {
67            public void onServiceConnected(ComponentName classname, IBinder obj) {
68                updateMenu();
69            }
70
71            public void onServiceDisconnected(ComponentName classname) {
72                updateMenu();
73            }
74
75        });
76        setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
77        init();
78    }
79
80    @Override
81    public void onDestroy() {
82        MusicUtils.unbindFromService(this);
83        super.onDestroy();
84    }
85
86    public void init() {
87        setContentView(R.layout.music_library);
88        mNowPlayingView = findViewById(R.id.nowplaying);
89        mTitle = (TextView) mNowPlayingView.findViewById(R.id.title);
90        mArtist = (TextView) mNowPlayingView.findViewById(R.id.artist);
91
92        View b = (View) findViewById(R.id.browse_button);
93        b.setOnClickListener(this);
94
95        b = (View) findViewById(R.id.albums_button);
96        b.setOnClickListener(this);
97
98        b = (View) findViewById(R.id.tracks_button);
99        b.setOnClickListener(this);
100
101        b = (View) findViewById(R.id.playlists_button);
102        b.setOnClickListener(this);
103    }
104
105    private void updateMenu() {
106        try {
107            if (MusicUtils.sService != null && MusicUtils.sService.getAudioId() != -1) {
108                makeNowPlayingView();
109                mNowPlayingView.setVisibility(View.VISIBLE);
110                return;
111            }
112        } catch (RemoteException ex) {
113        }
114        mNowPlayingView.setVisibility(View.INVISIBLE);
115    }
116
117    @Override
118    public void onResume() {
119        super.onResume();
120        IntentFilter f = new IntentFilter();
121        f.addAction(MediaPlaybackService.META_CHANGED);
122        registerReceiver(mStatusListener, new IntentFilter(f));
123        updateMenu();
124        if (mAutoShuffle) {
125            mAutoShuffle = false;
126            doAutoShuffle();
127        }
128    }
129
130    @Override
131    public void onPause() {
132        super.onPause();
133        unregisterReceiver(mStatusListener);
134    }
135
136    @Override
137    public boolean onCreateOptionsMenu(Menu menu) {
138        super.onCreateOptionsMenu(menu);
139         menu.add(0, PARTY_SHUFFLE, 0, R.string.party_shuffle); // icon will be set in onPrepareOptionsMenu()
140         menu.add(0, SEARCH_MUSIC, 0, R.string.search_title).setIcon(android.R.drawable.ic_menu_search);
141        return true;
142    }
143
144    @Override
145    public boolean onPrepareOptionsMenu(Menu menu) {
146        MenuItem item = menu.findItem(PARTY_SHUFFLE);
147        if (item != null) {
148            int shuffle = MusicUtils.getCurrentShuffleMode();
149            if (shuffle == MediaPlaybackService.SHUFFLE_AUTO) {
150                item.setIcon(R.drawable.ic_menu_party_shuffle);
151                item.setTitle(R.string.party_shuffle_off);
152            } else {
153                item.setIcon(R.drawable.ic_menu_party_shuffle);
154                item.setTitle(R.string.party_shuffle);
155            }
156        }
157        return true;
158    }
159
160    @Override
161    public boolean onOptionsItemSelected(MenuItem item) {
162        Intent intent;
163        try {
164            switch (item.getItemId()) {
165                case PARTY_SHUFFLE:
166                    int shuffle = MusicUtils.sService.getShuffleMode();
167                    if (shuffle == MediaPlaybackService.SHUFFLE_AUTO) {
168                        MusicUtils.sService.setShuffleMode(MediaPlaybackService.SHUFFLE_NONE);
169                    } else {
170                        MusicUtils.sService.setShuffleMode(MediaPlaybackService.SHUFFLE_AUTO);
171                    }
172                    break;
173
174                case SEARCH_MUSIC: {
175                    startSearch("", false, null, false);
176                    return true;
177                }
178            }
179        } catch (RemoteException ex) {
180        }
181        return super.onOptionsItemSelected(item);
182    }
183
184    public void onClick(View v) {
185        Intent intent;
186        switch (v.getId()) {
187            case R.id.browse_button:
188                intent = new Intent(Intent.ACTION_PICK);
189                intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/artistalbum");
190                startActivity(intent);
191                break;
192            case R.id.albums_button:
193                intent = new Intent(Intent.ACTION_PICK);
194                intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/album");
195                startActivity(intent);
196                break;
197            case R.id.tracks_button:
198                intent = new Intent(Intent.ACTION_PICK);
199                intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track");
200                startActivity(intent);
201                break;
202            case R.id.playlists_button:
203                intent = new Intent(Intent.ACTION_PICK);
204                intent.setDataAndType(Uri.EMPTY, MediaStore.Audio.Playlists.CONTENT_TYPE);
205                startActivity(intent);
206                break;
207            case R.id.nowplaying:
208                intent = new Intent("com.android.music.PLAYBACK_VIEWER");
209                startActivity(intent);
210                break;
211        }
212    }
213
214    private void doAutoShuffle() {
215        bindService((new Intent()).setClass(this, MediaPlaybackService.class), autoshuffle, 0);
216    }
217
218    private ServiceConnection autoshuffle = new ServiceConnection() {
219        public void onServiceConnected(ComponentName classname, IBinder obj) {
220            // we need to be able to bind again, so unbind
221            try {
222                unbindService(this);
223            } catch (IllegalArgumentException e) {
224            }
225            IMediaPlaybackService serv = IMediaPlaybackService.Stub.asInterface(obj);
226            if (serv != null) {
227                try {
228                    serv.setShuffleMode(MediaPlaybackService.SHUFFLE_AUTO);
229                    updateMenu();
230                } catch (RemoteException ex) {
231                }
232            }
233        }
234
235        public void onServiceDisconnected(ComponentName classname) {
236        }
237    };
238
239    private void makeNowPlayingView() {
240        try {
241            mTitle.setText(MusicUtils.sService.getTrackName());
242            String artistName = MusicUtils.sService.getArtistName();
243            if (MediaFile.UNKNOWN_STRING.equals(artistName)) {
244                artistName = getString(R.string.unknown_artist_name);
245            }
246            mArtist.setText(artistName);
247            mNowPlayingView.setOnFocusChangeListener(mFocuser);
248            mNowPlayingView.setOnClickListener(this);
249        } catch (RemoteException ex) {
250
251        }
252    }
253
254    View.OnFocusChangeListener mFocuser = new View.OnFocusChangeListener() {
255        Drawable mBack;
256
257        public void onFocusChange(View v, boolean hasFocus) {
258            if (hasFocus) {
259                if (mBack == null) {
260                    mBack = mNowPlayingView.getBackground();
261                }
262                Drawable dr = getResources().getDrawable(android.R.drawable.menuitem_background);
263                dr.setState(new int[] { android.R.attr.state_focused});
264                mNowPlayingView.setBackgroundDrawable(dr);
265                mNowPlayingView.setSelected(true);
266            } else {
267                mNowPlayingView.setBackgroundDrawable(mBack);
268                mNowPlayingView.setSelected(false);
269            }
270        }
271    };
272
273    private BroadcastReceiver mStatusListener = new BroadcastReceiver() {
274        @Override
275        public void onReceive(Context context, Intent intent) {
276            // this receiver is only used for META_CHANGED events
277            updateMenu();
278        }
279    };
280}
281
282