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Commit 82315966 authored by Sunny Goyal's avatar Sunny Goyal
Browse files

Updating the WallpaperManagerCompatVL to use JobSchedular instead of intent service 

Bug: 62065291
Change-Id: I5872cea1b110268e9593eeb6397e94ecea1bc03d
parent 6d55202c

AndroidManifest-common.xml

+2 −1
Original line number Diff line number Diff line
@@ -89,7 +89,8 @@ 
        <service

            android:name="com.android.launcher3.compat.WallpaperManagerCompatVL$ColorExtractionService"

            android:exported="false"

            android:process=":wallpaper_chooser" />

            android:process=":wallpaper_chooser"

            android:permission="android.permission.BIND_JOB_SERVICE" />



        <service android:name="com.android.launcher3.notification.NotificationListener"

                 android:enabled="@bool/notification_badging_enabled"

src/com/android/launcher3/Utilities.java

+1 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ public final class Utilities { 
    public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";



    public static final int COLOR_EXTRACTION_JOB_ID = 1;

    public static final int WALLPAPER_COMPAT_JOB_ID = 2;



    // These values are same as that in {@link AsyncTask}.

    private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();

src/com/android/launcher3/compat/WallpaperManagerCompatVL.java

+69 −21
Original line number Diff line number Diff line
@@ -19,23 +19,28 @@ import static android.app.WallpaperManager.FLAG_SYSTEM; 


import static com.android.launcher3.Utilities.getDevicePrefs;



import android.app.IntentService;

import android.app.WallpaperInfo;

import android.app.WallpaperManager;

import android.app.job.JobInfo;

import android.app.job.JobParameters;

import android.app.job.JobScheduler;

import android.app.job.JobService;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.PackageManager;

import android.content.pm.PermissionInfo;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.BitmapRegionDecoder;

import android.graphics.Canvas;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Handler;

import android.os.HandlerThread;

import android.os.ParcelFileDescriptor;

import android.os.ResultReceiver;

import android.support.annotation.Nullable;

import android.support.v7.graphics.Palette;

import android.util.Log;
@@ -53,7 +58,8 @@ public class WallpaperManagerCompatVL extends WallpaperManagerCompat { 


    private static final String VERSION_PREFIX = "1,";

    private static final String KEY_COLORS = "wallpaper_parsed_colors";

    private static final String EXTRA_RECEIVER = "receiver";

    private static final String ACTION_EXTRACTION_COMPLETE =

            "com.android.launcher3.compat.WallpaperManagerCompatVL.EXTRACTION_COMPLETE";



    private final ArrayList<OnColorsChangedListenerCompat> mListeners = new ArrayList<>();
@@ -80,6 +86,28 @@ public class WallpaperManagerCompatVL extends WallpaperManagerCompat { 
                reloadColors();

            }

        }, new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED));



        // Register a receiver for results

        String permission = null;

        // Find a permission which only we can use.

        try {

            for (PermissionInfo info : context.getPackageManager().getPackageInfo(

                    context.getPackageName(),

                    PackageManager.GET_PERMISSIONS).permissions) {

                if ((info.protectionLevel & PermissionInfo.PROTECTION_SIGNATURE) != 0) {

                    permission = info.name;

                }

            }

        } catch (PackageManager.NameNotFoundException e) {

            // Something went wrong. ignore

            Log.d(TAG, "Unable to get permission info", e);

        }

        mContext.registerReceiver(new BroadcastReceiver() {

            @Override

            public void onReceive(Context context, Intent intent) {

                handleResult(intent.getStringExtra(KEY_COLORS));

            }

        }, new IntentFilter(ACTION_EXTRACTION_COMPLETE), permission, new Handler());

    }



    @Nullable
@@ -94,15 +122,10 @@ public class WallpaperManagerCompatVL extends WallpaperManagerCompat { 
    }



    private void reloadColors() {

        ResultReceiver receiver = new ResultReceiver(new Handler()) {



            @Override

            protected void onReceiveResult(int resultCode, Bundle resultData) {

                handleResult(resultData.getString(KEY_COLORS));

            }

        };

        mContext.startService(new Intent(mContext, ColorExtractionService.class)

                .putExtra(EXTRA_RECEIVER, receiver));

        JobInfo job = new JobInfo.Builder(Utilities.WALLPAPER_COMPAT_JOB_ID,

                new ComponentName(mContext, ColorExtractionService.class))

                .setMinimumLatency(0).build();

        ((JobScheduler) mContext.getSystemService(Context.JOB_SCHEDULER_SERVICE)).schedule(job);

    }



    private void handleResult(String result) {
@@ -141,18 +164,43 @@ public class WallpaperManagerCompatVL extends WallpaperManagerCompat { 
    /**

     * Intent service to handle color extraction

     */

    public static class ColorExtractionService extends IntentService {

    public static class ColorExtractionService extends JobService implements Runnable {

        private static final int MAX_WALLPAPER_EXTRACTION_AREA = 112 * 112;



        public ColorExtractionService() {

            super("ColorExtractionService");

        private HandlerThread mWorkerThread;

        private Handler mWorkerHandler;



        @Override

        public void onCreate() {

            super.onCreate();

            mWorkerThread = new HandlerThread("ColorExtractionService");

            mWorkerThread.start();

            mWorkerHandler = new Handler(mWorkerThread.getLooper());

        }



        @Override

        public void onDestroy() {

            super.onDestroy();

            mWorkerThread.quit();

        }



        @Override

        public boolean onStartJob(final JobParameters jobParameters) {

            mWorkerHandler.post(this);

            return true;

        }



        @Override

        public boolean onStopJob(JobParameters jobParameters) {

            mWorkerHandler.removeCallbacksAndMessages(null);

            return true;

        }



        /**

         * Extracts the wallpaper colors and sends the result back through the receiver.

         */

        @Override

        protected void onHandleIntent(@Nullable Intent intent) {

        public void run() {

            int wallpaperId = getWallpaperId(this);



            Bitmap bitmap = null;
@@ -223,10 +271,10 @@ public class WallpaperManagerCompatVL extends WallpaperManagerCompat { 
                value = builder.toString();

            }



            ResultReceiver receiver = intent.getParcelableExtra(EXTRA_RECEIVER);

            Bundle result = new Bundle();

            result.putString(KEY_COLORS, value);

            receiver.send(0, result);

            // Send the result

            sendBroadcast(new Intent(ACTION_EXTRACTION_COMPLETE)

                    .setPackage(getPackageName())

                    .putExtra(KEY_COLORS, value));

        }

    }

}