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Commit 63c36fc6 authored by Vincent Wang's avatar Vincent Wang Committed by Automerger Merge Worker
Browse files

Merge "Skip reset wallpaper operation if users have changed wallpaper" into tm-dev am: 2f48d97c 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17369584



Change-Id: I14d91971ce2b48c34380b1eda9d33dd6553d3510
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 472751b2 2f48d97c

services/core/java/com/android/server/WallpaperUpdateReceiver.java

+36 −0
Original line number Diff line number Diff line
@@ -16,13 +16,17 @@ 


package com.android.server;



import android.annotation.RequiresPermission;

import android.app.ActivityThread;

import android.app.WallpaperInfo;

import android.app.WallpaperManager;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.graphics.Bitmap;

import android.os.AsyncTask;

import android.os.ParcelFileDescriptor;

import android.util.Slog;



/**
@@ -50,6 +54,10 @@ public class WallpaperUpdateReceiver extends BroadcastReceiver { 
            ActivityThread currentActivityThread = ActivityThread.currentActivityThread();

            Context uiContext = currentActivityThread.getSystemUiContext();

            WallpaperManager wallpaperManager = WallpaperManager.getInstance(uiContext);

            if (isUserSetWallpaper(wallpaperManager, uiContext)) {

                Slog.i(TAG, "User has set wallpaper, skip to resetting");

                return;

            }

            if (DEBUG) Slog.d(TAG, "Set customized default_wallpaper.");

            Bitmap blank = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);

            // set a blank wallpaper to force a redraw of default_wallpaper
@@ -59,4 +67,32 @@ public class WallpaperUpdateReceiver extends BroadcastReceiver { 
            Slog.w(TAG, "Failed to customize system wallpaper." + e);

        }

    }



    /**

     * A function to validate if users have set customized (live)wallpaper

     * <p>

     * return true if users have customized their wallpaper

     **/

    @RequiresPermission(android.Manifest.permission.READ_WALLPAPER_INTERNAL)

    private boolean isUserSetWallpaper(WallpaperManager wm, Context context) {

        WallpaperInfo info = wm.getWallpaperInfo();

        if (info == null) {

            //Image Wallpaper

            ParcelFileDescriptor sysWallpaper =

                    wm.getWallpaperFile(WallpaperManager.FLAG_SYSTEM);

            ParcelFileDescriptor lockWallpaper =

                    wm.getWallpaperFile(WallpaperManager.FLAG_LOCK);

            if (sysWallpaper != null || lockWallpaper != null) {

                return true;

            }

        } else {

            //live wallpaper

            ComponentName currCN = info.getComponent();

            ComponentName defaultCN = WallpaperManager.getDefaultWallpaperComponent(context);

            if (!currCN.equals(defaultCN)) {

                return true;

            }

        }

        return false;

    }

}