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      1 /*
      2  * Copyright (C) 2017 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.doze;
     18 
     19 import android.app.IWallpaperManager;
     20 import android.content.Context;
     21 import android.os.RemoteException;
     22 import android.os.ServiceManager;
     23 import android.util.Log;
     24 
     25 import com.android.internal.annotations.VisibleForTesting;
     26 import com.android.keyguard.KeyguardUpdateMonitor;
     27 import com.android.keyguard.KeyguardUpdateMonitorCallback;
     28 import com.android.systemui.statusbar.phone.DozeParameters;
     29 
     30 import java.io.PrintWriter;
     31 
     32 /**
     33  * Propagates doze state to wallpaper engine.
     34  */
     35 public class DozeWallpaperState implements DozeMachine.Part {
     36 
     37     private static final String TAG = "DozeWallpaperState";
     38     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
     39 
     40     private final IWallpaperManager mWallpaperManagerService;
     41     private boolean mIsAmbientMode;
     42     private final DozeParameters mDozeParameters;
     43 
     44     public DozeWallpaperState(Context context) {
     45         this(IWallpaperManager.Stub.asInterface(
     46                 ServiceManager.getService(Context.WALLPAPER_SERVICE)),
     47                 DozeParameters.getInstance(context));
     48     }
     49 
     50     @VisibleForTesting
     51     DozeWallpaperState(IWallpaperManager wallpaperManagerService, DozeParameters parameters) {
     52         mWallpaperManagerService = wallpaperManagerService;
     53         mDozeParameters = parameters;
     54     }
     55 
     56     @Override
     57     public void transitionTo(DozeMachine.State oldState, DozeMachine.State newState) {
     58         final boolean isAmbientMode;
     59         switch (newState) {
     60             case DOZE:
     61             case DOZE_AOD:
     62             case DOZE_AOD_PAUSING:
     63             case DOZE_AOD_PAUSED:
     64             case DOZE_REQUEST_PULSE:
     65             case DOZE_PULSING:
     66             case DOZE_PULSE_DONE:
     67                 isAmbientMode = true;
     68                 break;
     69             default:
     70                 isAmbientMode = false;
     71         }
     72 
     73         final boolean animated;
     74         if (isAmbientMode) {
     75             animated = mDozeParameters.shouldControlScreenOff();
     76         } else {
     77             boolean wakingUpFromPulse = oldState == DozeMachine.State.DOZE_PULSING
     78                     && newState == DozeMachine.State.FINISH;
     79             animated = !mDozeParameters.getDisplayNeedsBlanking() || wakingUpFromPulse;
     80         }
     81 
     82         if (isAmbientMode != mIsAmbientMode) {
     83             mIsAmbientMode = isAmbientMode;
     84             try {
     85                 if (DEBUG) {
     86                     Log.i(TAG, "AOD wallpaper state changed to: " + mIsAmbientMode
     87                             + ", animated: " + animated);
     88                 }
     89                 mWallpaperManagerService.setInAmbientMode(mIsAmbientMode, animated);
     90             } catch (RemoteException e) {
     91                 // Cannot notify wallpaper manager service, but it's fine, let's just skip it.
     92                 Log.w(TAG, "Cannot notify state to WallpaperManagerService: " + mIsAmbientMode);
     93             }
     94         }
     95     }
     96 
     97     @Override
     98     public void dump(PrintWriter pw) {
     99         pw.println("DozeWallpaperState:");
    100         pw.println(" isAmbientMode: " + mIsAmbientMode);
    101     }
    102 }
    103