| /* |
| * Copyright (C) 2018 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.hardware.display; |
| |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemService; |
| import android.content.Context; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.ServiceManager.ServiceNotFoundException; |
| |
| import com.android.internal.R; |
| |
| /** |
| * Manages the display's color transforms and modes. |
| * |
| * @hide |
| */ |
| @SystemService(Context.COLOR_DISPLAY_SERVICE) |
| public final class ColorDisplayManager { |
| |
| private final ColorDisplayManagerInternal mManager; |
| |
| /** |
| * @hide |
| */ |
| public ColorDisplayManager() { |
| mManager = ColorDisplayManagerInternal.getInstance(); |
| } |
| |
| /** |
| * Returns whether the device has a wide color gamut display. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS) |
| public boolean isDeviceColorManaged() { |
| return mManager.isDeviceColorManaged(); |
| } |
| |
| /** |
| * Returns {@code true} if Night Display is supported by the device. |
| */ |
| public static boolean isNightDisplayAvailable(Context context) { |
| return context.getResources().getBoolean(R.bool.config_nightDisplayAvailable); |
| } |
| |
| private static class ColorDisplayManagerInternal { |
| |
| private static ColorDisplayManagerInternal sInstance; |
| |
| private final IColorDisplayManager mCdm; |
| |
| private ColorDisplayManagerInternal(IColorDisplayManager colorDisplayManager) { |
| mCdm = colorDisplayManager; |
| } |
| |
| public static ColorDisplayManagerInternal getInstance() { |
| synchronized (ColorDisplayManagerInternal.class) { |
| if (sInstance == null) { |
| try { |
| IBinder b = ServiceManager.getServiceOrThrow(Context.COLOR_DISPLAY_SERVICE); |
| sInstance = new ColorDisplayManagerInternal( |
| IColorDisplayManager.Stub.asInterface(b)); |
| } catch (ServiceNotFoundException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| return sInstance; |
| } |
| } |
| |
| boolean isDeviceColorManaged() { |
| try { |
| return mCdm.isDeviceColorManaged(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |