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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.content.ComponentName;
     19 import android.content.Context;
     20 import android.content.pm.ApplicationInfo;
     21 import android.content.pm.PackageManager;
     22 import android.content.pm.ServiceInfo;
     23 import android.content.res.Resources;
     24 import android.content.res.TypedArray;
     25 import android.util.Log;
     26 
     27 /**
     28  * An immutable class which hold the the information about the currently connected media app, if
     29  * it supports {@link android.service.media.MediaBrowserService}.
     30  */
     31 public class MediaAppInfo {
     32     private static final String TAG = "MediaAppInfo";
     33     private static final String KEY_SMALL_ICON =
     34             "com.google.android.gms.car.notification.SmallIcon";
     35 
     36     /** Third-party defined application theme to use **/
     37     private static final String THEME_META_DATA_NAME
     38             = "com.google.android.gms.car.application.theme";
     39 
     40     private final ComponentName mComponentName;
     41     private final Resources mPackageResources;
     42     private final String mAppName;
     43     private final String mPackageName;
     44     private final int mSmallIcon;
     45 
     46     private int mPrimaryColor;
     47     private int mPrimaryColorDark;
     48     private int mAccentColor;
     49 
     50     public MediaAppInfo(Context context, String packageName) {
     51         Resources resources = null;
     52         try {
     53             resources = context.getPackageManager().getResourcesForApplication(packageName);
     54         } catch (PackageManager.NameNotFoundException e) {
     55             Log.e(TAG, "Unable to get resources for " + packageName);
     56         }
     57         mPackageResources = resources;
     58 
     59         mComponentName = MediaUtils.getMediaBrowserService(packageName, context);
     60         String appName = null;
     61         int smallIconResId = 0;
     62         try {
     63             PackageManager packageManager = context.getPackageManager();
     64             ServiceInfo serviceInfo = null;
     65             ApplicationInfo appInfo = packageManager.getApplicationInfo(packageName,
     66                     PackageManager.GET_META_DATA);
     67 
     68             int labelResId;
     69 
     70             if (mComponentName != null) {
     71                 serviceInfo =
     72                         packageManager.getServiceInfo(mComponentName, PackageManager.GET_META_DATA);
     73                 smallIconResId = serviceInfo.metaData == null ? 0 : serviceInfo.metaData.getInt
     74                         (KEY_SMALL_ICON, 0);
     75                 labelResId = serviceInfo.labelRes;
     76             } else {
     77                 Log.w(TAG, "Service label is null for " + packageName +
     78                         ". Falling back to app name.");
     79                 labelResId = appInfo.labelRes;
     80             }
     81 
     82             int appTheme = 0;
     83             if (serviceInfo != null && serviceInfo.metaData != null) {
     84                 appTheme = serviceInfo.metaData.getInt(THEME_META_DATA_NAME);
     85             }
     86             if (appTheme == 0 && appInfo.metaData != null) {
     87                 appTheme = appInfo.metaData.getInt(THEME_META_DATA_NAME);
     88             }
     89             if (appTheme == 0) {
     90                 appTheme = appInfo.theme;
     91             }
     92 
     93             fetchAppColors(packageName, appTheme, context);
     94             appName = (labelResId == 0 || mPackageResources == null) ? null
     95                     : mPackageResources.getString(labelResId);
     96         } catch (PackageManager.NameNotFoundException e) {
     97             Log.e(TAG, "Got a component that doesn't exist (" + packageName + ")");
     98         }
     99         mSmallIcon = smallIconResId;
    100         mAppName = appName;
    101 
    102         mPackageName = packageName;
    103     }
    104 
    105     public ComponentName getComponentName() {
    106         return mComponentName;
    107     }
    108 
    109     public String getAppName() {
    110         return mAppName;
    111     }
    112 
    113     public int getSmallIcon() {
    114         return mSmallIcon;
    115     }
    116 
    117     public String getPackageName() {
    118         return mPackageName;
    119     }
    120 
    121     public Resources getPackageResources() {
    122         return mPackageResources;
    123     }
    124 
    125     public int getMediaClientPrimaryColor() {
    126         return mPrimaryColor;
    127     }
    128 
    129     public int getMediaClientPrimaryColorDark() {
    130         return mPrimaryColorDark;
    131     }
    132 
    133     public int getMediaClientAccentColor() {
    134         return mAccentColor;
    135     }
    136 
    137     private void fetchAppColors(String packageName, int appTheme, Context context) {
    138         TypedArray ta = null;
    139         try {
    140             Context packageContext = context.createPackageContext(packageName, 0);
    141             packageContext.setTheme(appTheme);
    142             Resources.Theme theme = packageContext.getTheme();
    143             ta = theme.obtainStyledAttributes(new int[]{
    144                     android.R.attr.colorPrimary,
    145                     android.R.attr.colorAccent,
    146                     android.R.attr.colorPrimaryDark
    147             });
    148             int defaultColor =
    149                     context.getColor(android.R.color.holo_green_light);
    150             mPrimaryColor = ta.getColor(0, defaultColor);
    151             mAccentColor = ta.getColor(1, defaultColor);
    152             mPrimaryColorDark = ta.getColor(2, defaultColor);
    153         } catch (PackageManager.NameNotFoundException e) {
    154             Log.e(TAG, "Unable to update media client package attributes.", e);
    155         } finally {
    156             if (ta != null) {
    157                 ta.recycle();
    158             }
    159         }
    160     }
    161 }