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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 package com.android.car.stream.media;
     17 
     18 import android.app.PendingIntent;
     19 import android.content.ComponentName;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.graphics.Bitmap;
     23 import android.graphics.Canvas;
     24 import android.graphics.drawable.VectorDrawable;
     25 import android.view.KeyEvent;
     26 import android.widget.RemoteViews;
     27 import com.android.car.stream.MediaPlaybackExtension;
     28 import com.android.car.stream.R;
     29 import com.android.car.stream.StreamCard;
     30 import com.android.car.stream.StreamConstants;
     31 import com.android.car.stream.StreamServiceConstants;
     32 
     33 /**
     34  * A converter that creates a {@link StreamCard} for currently playing media.
     35  */
     36 public class MediaConverter {
     37     private final PendingIntent mGotoMediaFacetAction;
     38     private final PendingIntent mPauseAction;
     39     private final PendingIntent mSkipToNextAction;
     40     private final PendingIntent mSkipToPreviousAction;
     41     private final PendingIntent mPlayAction;
     42     private final PendingIntent mStopAction;
     43 
     44     private Bitmap mPlayIcon;
     45     private Bitmap mPauseIcon;
     46 
     47     public MediaConverter(Context context) {
     48         String mediaPackage = context.getString(R.string.car_media_component_package);
     49         mGotoMediaFacetAction = createGoToMediaFacetIntent(context, mediaPackage);
     50 
     51         mPauseAction = getMediaActionIntent(context,
     52                 new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PAUSE),
     53                 KeyEvent.KEYCODE_MEDIA_PAUSE /* requestCode */);
     54 
     55         mSkipToNextAction = getMediaActionIntent(context,
     56                 new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_SKIP_FORWARD),
     57                 KeyEvent.KEYCODE_MEDIA_SKIP_FORWARD /* requestCode */);
     58 
     59         mSkipToPreviousAction = getMediaActionIntent(context,
     60                 new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_SKIP_BACKWARD),
     61                 KeyEvent.KEYCODE_MEDIA_SKIP_BACKWARD /* requestCode */);
     62 
     63 
     64         mPlayAction = getMediaActionIntent(context,
     65                 new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY),
     66                 KeyEvent.KEYCODE_MEDIA_PLAY /* requestCode */);
     67 
     68         mStopAction = getMediaActionIntent(context,
     69                 new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_STOP),
     70                 KeyEvent.KEYCODE_MEDIA_STOP /* requestCode */);
     71 
     72         int iconSize = context.getResources()
     73                 .getDimensionPixelSize(R.dimen.stream_card_secondary_icon_dimen);
     74         mPlayIcon = getBitmap((VectorDrawable)
     75                 context.getDrawable(R.drawable.ic_play_arrow), iconSize, iconSize);
     76         mPauseIcon = getBitmap((VectorDrawable)
     77                 context.getDrawable(R.drawable.ic_pause), iconSize, iconSize);
     78     }
     79 
     80     public StreamCard convert(
     81             String title,
     82             String subtitle,
     83             Bitmap albumArt,
     84             int appAccentColor,
     85             String appName,
     86             boolean canSkipToNext,
     87             boolean canSkipToPrevious,
     88             boolean hasPause,
     89             boolean isPlaying) {
     90 
     91         StreamCard.Builder builder = new StreamCard.Builder(StreamConstants.CARD_TYPE_MEDIA,
     92                 StreamConstants.MEDIA_CARD_ID, System.currentTimeMillis());
     93         builder.setClickAction(mGotoMediaFacetAction);
     94         builder.setPrimaryText(title);
     95         builder.setSecondaryText(subtitle);
     96         Bitmap icon = isPlaying ? mPlayIcon : mPauseIcon;
     97         builder.setPrimaryIcon(icon);
     98 
     99         MediaPlaybackExtension extension = new MediaPlaybackExtension(title, subtitle, albumArt,
    100                 appAccentColor, canSkipToNext, canSkipToPrevious, hasPause, isPlaying, appName,
    101                 mStopAction, mPauseAction, mPlayAction, mSkipToNextAction, mSkipToPreviousAction);
    102 
    103         builder.setCardExtension(extension);
    104         return builder.build();
    105     }
    106 
    107     /**
    108      * Attaches a {@link PendingIntent} to the given {@link RemoteViews}. The PendingIntent will
    109      * send the user to the CarMediaApp when touched. Note that this does not resolve to the
    110      * application currently in the media card; instead, it just opens the last music app. For
    111      * example, if the card is generated by Google Play Music, but the last opened music app
    112      * was Spotify, then Spotify will open when the music card is tapped.
    113      */
    114     private PendingIntent createGoToMediaFacetIntent(Context context, String mediaPackage) {
    115         Intent intent = context.getPackageManager().getLaunchIntentForPackage(mediaPackage);
    116         intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
    117 
    118         return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    119     }
    120 
    121     private PendingIntent getMediaActionIntent(Context context, KeyEvent ke, int requestCode) {
    122         Intent i = new Intent(Intent.ACTION_MEDIA_BUTTON);
    123         i.setPackage(context.getPackageName());
    124         i.putExtra(Intent.EXTRA_KEY_EVENT, ke);
    125 
    126         PendingIntent pendingIntent =
    127                 PendingIntent.getBroadcast(
    128                         context,
    129                         requestCode,
    130                         i,
    131                         PendingIntent.FLAG_CANCEL_CURRENT
    132                 );
    133         return pendingIntent;
    134     }
    135 
    136     private static Bitmap getBitmap(VectorDrawable vectorDrawable, int width, int height) {
    137         Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    138         Canvas canvas = new Canvas(bitmap);
    139         vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    140         vectorDrawable.draw(canvas);
    141         return bitmap;
    142     }
    143 }
    144