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/*
* Copyright (C) 2021 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.Manifest;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
import android.annotation.SystemService;
import android.annotation.TestApi;
import android.annotation.UserHandleAware;
import android.content.Context;
import android.os.Handler;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.ServiceManager.ServiceNotFoundException;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* The GameManager allows system apps to modify and query the game mode of apps.
*/
@SystemService(Context.GAME_SERVICE)
public final class GameManager {
private static final String TAG = "GameManager";
private final @Nullable Context mContext;
private final IGameManagerService mService;
/** @hide */
@IntDef(flag = false, prefix = {"GAME_MODE_"}, value = {
GAME_MODE_UNSUPPORTED, // 0
GAME_MODE_STANDARD, // 1
GAME_MODE_PERFORMANCE, // 2
GAME_MODE_BATTERY, // 3
})
@Retention(RetentionPolicy.SOURCE)
public @interface GameMode {
}
/**
* Game mode is not supported for this application.
*/
public static final int GAME_MODE_UNSUPPORTED = 0;
/**
* Standard game mode means the platform will use the game's default
* performance characteristics.
*/
public static final int GAME_MODE_STANDARD = 1;
/**
* Performance game mode maximizes the game's performance.
* <p>
* This game mode is highly likely to increase battery consumption.
*/
public static final int GAME_MODE_PERFORMANCE = 2;
/**
* Battery game mode will save battery and give longer game play time.
*/
public static final int GAME_MODE_BATTERY = 3;
GameManager(Context context, Handler handler) throws ServiceNotFoundException {
mContext = context;
mService = IGameManagerService.Stub.asInterface(
ServiceManager.getServiceOrThrow(Context.GAME_SERVICE));
}
/**
* Return the user selected game mode for this application.
* <p>
* An application can use <code>android:isGame="true"</code> or
* <code>android:appCategory="game"</code> to indicate that the application is a game. If an
* application is not a game, always return {@link #GAME_MODE_UNSUPPORTED}.
* <p>
* Developers should call this API every time the application is resumed.
*/
public @GameMode int getGameMode() {
try {
return mService.getGameMode(mContext.getPackageName(), mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Gets the game mode for the given package.
* <p>
* The caller must have {@link android.Manifest.permission#MANAGE_GAME_MODE}.
*
* @hide
*/
@UserHandleAware
@RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
public @GameMode int getGameMode(@NonNull String packageName) {
try {
return mService.getGameMode(packageName, mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Sets the game mode for the given package.
* <p>
* The caller must have {@link android.Manifest.permission#MANAGE_GAME_MODE}.
*
* @hide
*/
@TestApi
@UserHandleAware
@RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
public void setGameMode(@NonNull String packageName, @GameMode int gameMode) {
try {
mService.setGameMode(packageName, gameMode, mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Returns a list of supported game modes for a given package.
* <p>
* The caller must have {@link android.Manifest.permission#MANAGE_GAME_MODE}.
*
* @hide
*/
@RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
public @GameMode int[] getAvailableGameModes(@NonNull String packageName) {
try {
return mService.getAvailableGameModes(packageName);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Returns if ANGLE is enabled for a given package.
* <p>
* The caller must have {@link android.Manifest.permission#MANAGE_GAME_MODE}.
*
* @hide
*/
@UserHandleAware
@RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
public @GameMode boolean isAngleEnabled(@NonNull String packageName) {
try {
return mService.getAngleEnabled(packageName, mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
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