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      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 
     17 package com.android.gallery3d.app;
     18 
     19 import android.annotation.TargetApi;
     20 import android.app.ActionBar;
     21 import android.app.Activity;
     22 import android.content.AsyncQueryHandler;
     23 import android.content.ContentResolver;
     24 import android.content.Intent;
     25 import android.content.pm.ActivityInfo;
     26 import android.database.Cursor;
     27 import android.graphics.Bitmap;
     28 import android.graphics.drawable.BitmapDrawable;
     29 import android.media.AudioManager;
     30 import android.net.Uri;
     31 import android.os.Build;
     32 import android.os.Bundle;
     33 import android.provider.MediaStore;
     34 import android.provider.OpenableColumns;
     35 import android.view.KeyEvent;
     36 import android.view.Menu;
     37 import android.view.MenuItem;
     38 import android.view.View;
     39 import android.view.Window;
     40 import android.view.WindowManager;
     41 import android.widget.ShareActionProvider;
     42 
     43 import com.android.gallery3d.R;
     44 import com.android.gallery3d.common.ApiHelper;
     45 import com.android.gallery3d.common.Utils;
     46 
     47 /**
     48  * This activity plays a video from a specified URI.
     49  *
     50  * The client of this activity can pass a logo bitmap in the intent (KEY_LOGO_BITMAP)
     51  * to set the action bar logo so the playback process looks more seamlessly integrated with
     52  * the original activity.
     53  */
     54 public class MovieActivity extends Activity {
     55     @SuppressWarnings("unused")
     56     private static final String TAG = "MovieActivity";
     57     public static final String KEY_LOGO_BITMAP = "logo-bitmap";
     58     public static final String KEY_TREAT_UP_AS_BACK = "treat-up-as-back";
     59 
     60     private MoviePlayer mPlayer;
     61     private boolean mFinishOnCompletion;
     62     private Uri mUri;
     63     private boolean mTreatUpAsBack;
     64 
     65     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     66     private void setSystemUiVisibility(View rootView) {
     67         if (ApiHelper.HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE) {
     68             rootView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE
     69                     | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
     70                     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
     71         }
     72     }
     73 
     74     @Override
     75     public void onCreate(Bundle savedInstanceState) {
     76         super.onCreate(savedInstanceState);
     77 
     78         requestWindowFeature(Window.FEATURE_ACTION_BAR);
     79         requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
     80 
     81         setContentView(R.layout.movie_view);
     82         View rootView = findViewById(R.id.movie_view_root);
     83 
     84         setSystemUiVisibility(rootView);
     85 
     86         Intent intent = getIntent();
     87         initializeActionBar(intent);
     88         mFinishOnCompletion = intent.getBooleanExtra(
     89                 MediaStore.EXTRA_FINISH_ON_COMPLETION, true);
     90         mTreatUpAsBack = intent.getBooleanExtra(KEY_TREAT_UP_AS_BACK, false);
     91         mPlayer = new MoviePlayer(rootView, this, intent.getData(), savedInstanceState,
     92                 !mFinishOnCompletion) {
     93             @Override
     94             public void onCompletion() {
     95                 if (mFinishOnCompletion) {
     96                     finish();
     97                 }
     98             }
     99         };
    100         if (intent.hasExtra(MediaStore.EXTRA_SCREEN_ORIENTATION)) {
    101             int orientation = intent.getIntExtra(
    102                     MediaStore.EXTRA_SCREEN_ORIENTATION,
    103                     ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
    104             if (orientation != getRequestedOrientation()) {
    105                 setRequestedOrientation(orientation);
    106             }
    107         }
    108         Window win = getWindow();
    109         WindowManager.LayoutParams winParams = win.getAttributes();
    110         winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
    111         winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
    112         win.setAttributes(winParams);
    113 
    114         // We set the background in the theme to have the launching animation.
    115         // But for the performance (and battery), we remove the background here.
    116         win.setBackgroundDrawable(null);
    117     }
    118 
    119     private void setActionBarLogoFromIntent(Intent intent) {
    120         Bitmap logo = intent.getParcelableExtra(KEY_LOGO_BITMAP);
    121         if (logo != null) {
    122             getActionBar().setLogo(
    123                     new BitmapDrawable(getResources(), logo));
    124         }
    125     }
    126 
    127     private void initializeActionBar(Intent intent) {
    128         mUri = intent.getData();
    129         final ActionBar actionBar = getActionBar();
    130         if (actionBar == null) {
    131             return;
    132         }
    133         setActionBarLogoFromIntent(intent);
    134         actionBar.setDisplayOptions(
    135                 ActionBar.DISPLAY_HOME_AS_UP,
    136                 ActionBar.DISPLAY_HOME_AS_UP);
    137 
    138         String title = intent.getStringExtra(Intent.EXTRA_TITLE);
    139         if (title != null) {
    140             actionBar.setTitle(title);
    141         } else {
    142             // Displays the filename as title, reading the filename from the
    143             // interface: {@link android.provider.OpenableColumns#DISPLAY_NAME}.
    144             AsyncQueryHandler queryHandler =
    145                     new AsyncQueryHandler(getContentResolver()) {
    146                 @Override
    147                 protected void onQueryComplete(int token, Object cookie,
    148                         Cursor cursor) {
    149                     try {
    150                         if ((cursor != null) && cursor.moveToFirst()) {
    151                             String displayName = cursor.getString(0);
    152 
    153                             // Just show empty title if other apps don't set
    154                             // DISPLAY_NAME
    155                             actionBar.setTitle((displayName == null) ? "" :
    156                                     displayName);
    157                         }
    158                     } finally {
    159                         Utils.closeSilently(cursor);
    160                     }
    161                 }
    162             };
    163             queryHandler.startQuery(0, null, mUri,
    164                     new String[] {OpenableColumns.DISPLAY_NAME}, null, null,
    165                     null);
    166         }
    167     }
    168 
    169     @Override
    170     public boolean onCreateOptionsMenu(Menu menu) {
    171         super.onCreateOptionsMenu(menu);
    172         getMenuInflater().inflate(R.menu.movie, menu);
    173 
    174         // Document says EXTRA_STREAM should be a content: Uri
    175         // So, we only share the video if it's "content:".
    176         MenuItem shareItem = menu.findItem(R.id.action_share);
    177         if (ContentResolver.SCHEME_CONTENT.equals(mUri.getScheme())) {
    178             shareItem.setVisible(true);
    179             ((ShareActionProvider) shareItem.getActionProvider())
    180                     .setShareIntent(createShareIntent());
    181         } else {
    182             shareItem.setVisible(false);
    183         }
    184         return true;
    185     }
    186 
    187     private Intent createShareIntent() {
    188         Intent intent = new Intent(Intent.ACTION_SEND);
    189         intent.setType("video/*");
    190         intent.putExtra(Intent.EXTRA_STREAM, mUri);
    191         return intent;
    192     }
    193 
    194     @Override
    195     public boolean onOptionsItemSelected(MenuItem item) {
    196         int id = item.getItemId();
    197         if (id == android.R.id.home) {
    198             if (mTreatUpAsBack) {
    199                 finish();
    200             } else {
    201                 startActivity(new Intent(this, GalleryActivity.class));
    202                 finish();
    203             }
    204             return true;
    205         } else if (id == R.id.action_share) {
    206             startActivity(Intent.createChooser(createShareIntent(),
    207                     getString(R.string.share)));
    208             return true;
    209         }
    210         return false;
    211     }
    212 
    213     @Override
    214     public void onStart() {
    215         ((AudioManager) getSystemService(AUDIO_SERVICE))
    216                 .requestAudioFocus(null, AudioManager.STREAM_MUSIC,
    217                 AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
    218         super.onStart();
    219     }
    220 
    221     @Override
    222     protected void onStop() {
    223         ((AudioManager) getSystemService(AUDIO_SERVICE))
    224                 .abandonAudioFocus(null);
    225         super.onStop();
    226     }
    227 
    228     @Override
    229     public void onPause() {
    230         mPlayer.onPause();
    231         super.onPause();
    232     }
    233 
    234     @Override
    235     public void onResume() {
    236         mPlayer.onResume();
    237         super.onResume();
    238     }
    239 
    240     @Override
    241     public void onSaveInstanceState(Bundle outState) {
    242         super.onSaveInstanceState(outState);
    243         mPlayer.onSaveInstanceState(outState);
    244     }
    245 
    246     @Override
    247     public void onDestroy() {
    248         mPlayer.onDestroy();
    249         super.onDestroy();
    250     }
    251 
    252     @Override
    253     public boolean onKeyDown(int keyCode, KeyEvent event) {
    254         return mPlayer.onKeyDown(keyCode, event)
    255                 || super.onKeyDown(keyCode, event);
    256     }
    257 
    258     @Override
    259     public boolean onKeyUp(int keyCode, KeyEvent event) {
    260         return mPlayer.onKeyUp(keyCode, event)
    261                 || super.onKeyUp(keyCode, event);
    262     }
    263 }
    264