/
DisabledWallpaperManager.java
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/
DisabledWallpaperManager.java
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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import android.annotation.NonNull;
import android.content.ComponentName;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
/**
* A no-op implementation of {@link WallpaperManager}.
*/
final class DisabledWallpaperManager extends WallpaperManager {
private static final String TAG = DisabledWallpaperManager.class.getSimpleName();
// Don't need to worry about synchronization
private static DisabledWallpaperManager sInstance;
private static final boolean DEBUG = false;
@NonNull
static DisabledWallpaperManager getInstance() {
if (sInstance == null) {
sInstance = new DisabledWallpaperManager();
}
return sInstance;
}
private DisabledWallpaperManager() {
super(null, null, null);
}
@Override
public boolean isWallpaperSupported() {
return false;
}
@Override
public boolean isSetWallpaperAllowed() {
return false;
}
private static <T> T unsupported() {
if (DEBUG) Log.w(TAG, "unsupported method called; returning null", new Exception());
return null;
}
private static boolean unsupportedBoolean() {
if (DEBUG) Log.w(TAG, "unsupported method called; returning false", new Exception());
return false;
}
@Override
public Drawable getDrawable() {
return unsupported();
}
@Override
public Drawable getBuiltInDrawable() {
return unsupported();
}
@Override
public Drawable getBuiltInDrawable(int which) {
return unsupported();
}
@Override
public Drawable getBuiltInDrawable(int outWidth, int outHeight, boolean scaleToFit,
float horizontalAlignment, float verticalAlignment) {
return unsupported();
}
@Override
public Drawable getBuiltInDrawable(int outWidth, int outHeight, boolean scaleToFit,
float horizontalAlignment, float verticalAlignment, int which) {
return unsupported();
}
@Override
public Drawable peekDrawable() {
return unsupported();
}
@Override
public Drawable getFastDrawable() {
return unsupported();
}
@Override
public Drawable peekFastDrawable() {
return unsupported();
}
@Override
public Bitmap getBitmap() {
return unsupported();
}
@Override
public Bitmap getBitmap(boolean hardware) {
return unsupported();
}
@Override
public Bitmap getBitmapAsUser(int userId, boolean hardware) {
return unsupported();
}
@Override
public ParcelFileDescriptor getWallpaperFile(int which) {
return unsupported();
}
@Override
public void addOnColorsChangedListener(OnColorsChangedListener listener, Handler handler) {
unsupported();
}
@Override
public void addOnColorsChangedListener(OnColorsChangedListener listener, Handler handler,
int userId) {
unsupported();
}
@Override
public void removeOnColorsChangedListener(OnColorsChangedListener callback) {
unsupported();
}
@Override
public void removeOnColorsChangedListener(OnColorsChangedListener callback, int userId) {
unsupported();
}
@Override
public WallpaperColors getWallpaperColors(int which) {
return unsupported();
}
@Override
public WallpaperColors getWallpaperColors(int which, int userId) {
return unsupported();
}
@Override
public ParcelFileDescriptor getWallpaperFile(int which, int userId) {
return unsupported();
}
@Override
public void forgetLoadedWallpaper() {
unsupported();
}
@Override
public WallpaperInfo getWallpaperInfo() {
return unsupported();
}
@Override
public WallpaperInfo getWallpaperInfo(int userId) {
return unsupported();
}
@Override
public int getWallpaperId(int which) {
return unsupported();
}
@Override
public int getWallpaperIdForUser(int which, int userId) {
return unsupported();
}
@Override
public Intent getCropAndSetWallpaperIntent(Uri imageUri) {
return unsupported();
}
@Override
public void setResource(int resid) throws IOException {
unsupported();
}
@Override
public int setResource(int resid, int which) throws IOException {
return unsupported();
}
@Override
public void setBitmap(Bitmap bitmap) throws IOException {
unsupported();
}
@Override
public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup)
throws IOException {
return unsupported();
}
@Override
public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup, int which)
throws IOException {
return unsupported();
}
@Override
public int setBitmap(Bitmap fullImage, Rect visibleCropHint, boolean allowBackup, int which,
int userId) throws IOException {
return unsupported();
}
@Override
public void setStream(InputStream bitmapData) throws IOException {
unsupported();
}
@Override
public int setStream(InputStream bitmapData, Rect visibleCropHint, boolean allowBackup)
throws IOException {
return unsupported();
}
@Override
public int setStream(InputStream bitmapData, Rect visibleCropHint, boolean allowBackup,
int which) throws IOException {
return unsupported();
}
@Override
public boolean hasResourceWallpaper(int resid) {
return unsupportedBoolean();
}
@Override
public int getDesiredMinimumWidth() {
return unsupported();
}
@Override
public int getDesiredMinimumHeight() {
return unsupported();
}
@Override
public void suggestDesiredDimensions(int minimumWidth, int minimumHeight) {
unsupported();
}
@Override
public void setDisplayPadding(Rect padding) {
unsupported();
}
@Override
public void setDisplayOffset(IBinder windowToken, int x, int y) {
unsupported();
}
@Override
public void clearWallpaper() {
unsupported();
}
@Override
public void clearWallpaper(int which, int userId) {
unsupported();
}
@Override
public boolean setWallpaperComponent(ComponentName name) {
return unsupportedBoolean();
}
@Override
public boolean setWallpaperComponent(ComponentName name, int userId) {
return unsupportedBoolean();
}
@Override
public void setWallpaperOffsets(IBinder windowToken, float xOffset, float yOffset) {
unsupported();
}
@Override
public void setWallpaperOffsetSteps(float xStep, float yStep) {
unsupported();
}
@Override
public void sendWallpaperCommand(IBinder windowToken, String action, int x, int y, int z,
Bundle extras) {
unsupported();
}
@Override
public void clearWallpaperOffsets(IBinder windowToken) {
unsupported();
}
@Override
public void clear() throws IOException {
unsupported();
}
@Override
public void clear(int which) throws IOException {
unsupported();
}
@Override
public boolean isWallpaperBackupEligible(int which) {
return unsupportedBoolean();
}
}