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Commit 2ab64646 authored by Chris Poultney's avatar Chris Poultney
Browse files

Lock screen LWP: use WallpaperService for lock screen. 

Uses a second WallpaperService for the lock screen when lock and home
wallpapers are different. This supports static and live wallpapers for
either screen.

CTS tests pass for with lock screen LWP enabled and disabled. They will
be merged after visibility issues are resolved.

Bug: 253507223
Test: atest WallpaperManagerTest
Change-Id: I2483e3a0808f3a61598fb87e69eb582df24a3daf
parent 90c5577f

packages/SystemUI/src/com/android/systemui/statusbar/phone/LockscreenWallpaper.java

+4 −0
Original line number Diff line number Diff line
@@ -122,6 +122,10 @@ public class LockscreenWallpaper extends IWallpaperManagerCallback.Stub implemen 
    public LoaderResult loadBitmap(int currentUserId, UserHandle selectedUser) {

        // May be called on any thread - only use thread safe operations.



        if (mWallpaperManager.isLockscreenLiveWallpaperEnabled()) {

            return LoaderResult.success(null);

        }



        if (!mWallpaperManager.isWallpaperSupported()) {

            // When wallpaper is not supported, show the system wallpaper

            return LoaderResult.success(null);

services/core/java/com/android/server/wallpaper/WallpaperData.java

+61 −0
Original line number Diff line number Diff line
@@ -55,6 +55,12 @@ class WallpaperData { 
     */

    int mWhich;



    /**

     * True if the system wallpaper was also used for lock screen before this wallpaper was set.

     * This is needed to update state after setting the wallpaper.

     */

    boolean mSystemWasBoth;



    /**

     * Callback once the set + crop is finished

     */
@@ -139,6 +145,61 @@ class WallpaperData { 
                (wallpaperType == FLAG_LOCK) ? WALLPAPER_LOCK_CROP : WALLPAPER_CROP);

    }



    /**

     * Copies the essential properties of a WallpaperData to a new instance, including the id and

     * WallpaperConnection, usually in preparation for migrating a system+lock wallpaper to system-

     * or lock-only. NB: the source object retains the pointer to the connection and it is the

     * caller's responsibility to set this to null or otherwise be sure the connection is not shared

     * between WallpaperData instances.

     *

     * @param source WallpaperData object to copy

     */

    WallpaperData(WallpaperData source) {

        this.userId = source.userId;

        this.wallpaperFile = source.wallpaperFile;

        this.cropFile = source.cropFile;

        this.wallpaperComponent = source.wallpaperComponent;

        this.mWhich = source.mWhich;

        this.wallpaperId = source.wallpaperId;

        this.cropHint.set(source.cropHint);

        this.allowBackup = source.allowBackup;

        this.primaryColors = source.primaryColors;

        this.mWallpaperDimAmount = source.mWallpaperDimAmount;

        this.connection = source.connection;

        this.connection.mWallpaper = this;

    }



    @Override

    public String toString() {

        StringBuilder out = new StringBuilder(defaultString(this));

        out.append(", id: ");

        out.append(wallpaperId);

        out.append(", which: ");

        out.append(mWhich);

        out.append(", file mod: ");

        out.append(wallpaperFile != null ? wallpaperFile.lastModified() : "null");

        if (connection == null) {

            out.append(", no connection");

        } else {

            out.append(", info: ");

            out.append(connection.mInfo);

            out.append(", engine(s):");

            connection.forEachDisplayConnector(connector -> {

                if (connector.mEngine != null) {

                    out.append(" ");

                    out.append(defaultString(connector.mEngine));

                } else {

                    out.append(" null");

                }

            });

        }

        return out.toString();

    }



    private static String defaultString(Object o) {

        return o.getClass().getSimpleName() + "@" + Integer.toHexString(o.hashCode());

    }



    // Called during initialization of a given user's wallpaper bookkeeping

    boolean cropExists() {

        return cropFile.exists();