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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 
     17 package com.android.systemui.pip;
     18 
     19 import static android.content.pm.PackageManager.FEATURE_LEANBACK_ONLY;
     20 import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
     21 
     22 import android.content.pm.PackageManager;
     23 import android.content.res.Configuration;
     24 import android.os.UserHandle;
     25 import android.os.UserManager;
     26 
     27 import com.android.systemui.SystemUI;
     28 import com.android.systemui.statusbar.CommandQueue;
     29 
     30 import java.io.FileDescriptor;
     31 import java.io.PrintWriter;
     32 
     33 /**
     34  * Controls the picture-in-picture window.
     35  */
     36 public class PipUI extends SystemUI implements CommandQueue.Callbacks {
     37 
     38     private BasePipManager mPipManager;
     39 
     40     private boolean mSupportsPip;
     41 
     42     @Override
     43     public void start() {
     44         PackageManager pm = mContext.getPackageManager();
     45         mSupportsPip = pm.hasSystemFeature(FEATURE_PICTURE_IN_PICTURE);
     46         if (!mSupportsPip) {
     47             return;
     48         }
     49 
     50         // Ensure that we are the primary user's SystemUI.
     51         final int processUser = UserManager.get(mContext).getUserHandle();
     52         if (processUser != UserHandle.USER_SYSTEM) {
     53             throw new IllegalStateException("Non-primary Pip component not currently supported.");
     54         }
     55 
     56         mPipManager = pm.hasSystemFeature(FEATURE_LEANBACK_ONLY)
     57                 ? com.android.systemui.pip.tv.PipManager.getInstance()
     58                 : com.android.systemui.pip.phone.PipManager.getInstance();
     59         mPipManager.initialize(mContext);
     60 
     61         getComponent(CommandQueue.class).addCallback(this);
     62         putComponent(PipUI.class, this);
     63     }
     64 
     65     @Override
     66     public void showPictureInPictureMenu() {
     67         mPipManager.showPictureInPictureMenu();
     68     }
     69 
     70     public void expandPip() {
     71         mPipManager.expandPip();
     72     }
     73 
     74     public void hidePipMenu(Runnable onStartCallback, Runnable onEndCallback) {
     75         mPipManager.hidePipMenu(onStartCallback, onEndCallback);
     76     }
     77 
     78     @Override
     79     protected void onConfigurationChanged(Configuration newConfig) {
     80         super.onConfigurationChanged(newConfig);
     81         if (mPipManager == null) {
     82             return;
     83         }
     84 
     85         mPipManager.onConfigurationChanged(newConfig);
     86     }
     87 
     88     @Override
     89     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
     90         if (mPipManager == null) {
     91             return;
     92         }
     93 
     94         mPipManager.dump(pw);
     95     }
     96 }
     97