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Commit 4544b927 authored by Filip Gruszczynski's avatar Filip Gruszczynski
Browse files

Hold a wake lock while dozing when wallpaper draws. 

This mimics what ViewRootImpl does before drawing.

Bug: 20242788
Change-Id: If85ad17113636f74267aedb3af04d0281b57ac0e
parent 1f3c7f3f

core/java/android/service/wallpaper/WallpaperService.java

+20 −3
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package android.service.wallpaper;



import android.content.res.TypedArray;

import android.graphics.Canvas;

import android.os.SystemProperties;

import android.view.WindowInsets;
@@ -185,6 +186,7 @@ public abstract class WallpaperService extends Service { 


        DisplayManager mDisplayManager;

        Display mDisplay;

        private int mDisplayState;



        final BaseSurfaceHolder mSurfaceHolder = new BaseSurfaceHolder() {

            {
@@ -229,6 +231,18 @@ public abstract class WallpaperService extends Service { 
                        "Wallpapers do not support keep screen on");

            }



            @Override

            public Canvas lockCanvas() {

                if (mDisplayState == Display.STATE_DOZE

                        || mDisplayState == Display.STATE_DOZE_SUSPEND) {

                    try {

                        mSession.pokeDrawLock(mWindow);

                    } catch (RemoteException e) {

                        // System server died, can be ignored.

                    }

                }

                return super.lockCanvas();

            }

        };



        final class WallpaperInputEventReceiver extends InputEventReceiver {
@@ -831,9 +845,12 @@ public abstract class WallpaperService extends Service { 
            

            mWindow.setSession(mSession);



            mLayout.packageName = getPackageName();



            mDisplayManager = (DisplayManager)getSystemService(Context.DISPLAY_SERVICE);

            mDisplayManager.registerDisplayListener(mDisplayListener, mCaller.getHandler());

            mDisplay = mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY);

            mDisplayState = mDisplay.getState();



            if (DEBUG) Log.v(TAG, "onCreate(): " + this);

            onCreate(mSurfaceHolder);
@@ -873,8 +890,8 @@ public abstract class WallpaperService extends Service { 


        void reportVisibility() {

            if (!mDestroyed) {

                boolean visible = mVisible

                        & mDisplay != null && mDisplay.getState() != Display.STATE_OFF;

                mDisplayState = mDisplay == null ? Display.STATE_UNKNOWN : mDisplay.getState();

                boolean visible = mVisible && mDisplayState != Display.STATE_OFF;

                if (mReportedVisible != visible) {

                    mReportedVisible = visible;

                    if (DEBUG) Log.v(TAG, "onVisibilityChanged(" + visible