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/*
* Copyright (C) 2020 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 static android.Manifest.permission.WRITE_SECURE_SETTINGS;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
import android.annotation.SystemService;
import android.annotation.TestApi;
import android.annotation.UserHandleAware;
import android.content.ComponentName;
import android.content.Context;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.provider.Settings;
import android.service.dreams.DreamService;
import android.service.dreams.IDreamManager;
/**
* @hide
*/
@SystemService(Context.DREAM_SERVICE)
@TestApi
public class DreamManager {
private final IDreamManager mService;
private final Context mContext;
/**
* @hide
*/
public DreamManager(Context context) throws ServiceManager.ServiceNotFoundException {
mService = IDreamManager.Stub.asInterface(
ServiceManager.getServiceOrThrow(DreamService.DREAM_SERVICE));
mContext = context;
}
/**
* Returns whether Settings.Secure.SCREENSAVER_ENABLED is enabled.
*
* @hide
*/
@TestApi
public boolean isScreensaverEnabled() {
return Settings.Secure.getIntForUser(mContext.getContentResolver(),
Settings.Secure.SCREENSAVER_ENABLED, 0, UserHandle.USER_CURRENT) != 0;
}
/**
* Sets whether Settings.Secure.SCREENSAVER_ENABLED is enabled.
*
* @hide
*/
@TestApi
@RequiresPermission(WRITE_SECURE_SETTINGS)
public void setScreensaverEnabled(boolean enabled) {
Settings.Secure.putIntForUser(mContext.getContentResolver(),
Settings.Secure.SCREENSAVER_ENABLED, enabled ? 1 : 0, UserHandle.USER_CURRENT);
}
/**
* Returns whether dreams are supported.
*
* @hide
*/
@TestApi
public boolean areDreamsSupported() {
return mContext.getResources().getBoolean(
com.android.internal.R.bool.config_dreamsSupported);
}
/**
* Starts dreaming.
*
* This API is equivalent to {@link DreamManager#startDream()} but with a nullable component
* name to be compatible with TM CTS tests.
*
* <p>This is only used for testing the dream service APIs.
*
* @see DreamManager#startDream()
*
* @hide
*/
@TestApi
@UserHandleAware
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void startDream(@Nullable ComponentName name) {
startDream();
}
/**
* Starts dreaming.
*
* The system dream component, if set by {@link DreamManager#setSystemDreamComponent}, will be
* started.
* Otherwise, starts the active dream set by {@link DreamManager#setActiveDream}.
*
* <p>This is only used for testing the dream service APIs.
*
* @see DreamManager#setActiveDream(ComponentName)
* @see DreamManager#setSystemDreamComponent(ComponentName)
*
* @hide
*/
@TestApi
@UserHandleAware
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void startDream() {
try {
mService.dream();
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
}
/**
* Stops the dream service on the device if one is started.
*
* <p> This is only used for testing the dream service APIs.
*
* @hide
*/
@TestApi
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void stopDream() {
try {
mService.awaken();
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
}
/**
* Sets the active dream on the device to be "dreamComponent".
*
* <p>This is only used for testing the dream service APIs.
*
* @hide
*/
@TestApi
@UserHandleAware
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void setActiveDream(@Nullable ComponentName dreamComponent) {
ComponentName[] dreams = {dreamComponent};
try {
mService.setDreamComponentsForUser(mContext.getUserId(),
dreamComponent != null ? dreams : null);
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
}
/**
* Sets or clears the system dream component.
*
* The system dream component, when set, will be shown instead of the user configured dream
* when the system starts dreaming (not dozing). If the system is dreaming at the time the
* system dream is set or cleared, it immediately switches dream.
*
* @hide
*/
@TestApi
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void setSystemDreamComponent(@Nullable ComponentName dreamComponent) {
try {
mService.setSystemDreamComponent(dreamComponent);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Sets the active dream on the device to be "dreamComponent".
*
* <p>This is only used for testing the dream service APIs.
*
* @hide
*/
@TestApi
@UserHandleAware
@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
public void setDreamOverlay(@Nullable ComponentName dreamOverlayComponent) {
try {
mService.registerDreamOverlayService(dreamOverlayComponent);
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
}
/**
* Returns whether the device is Dreaming.
*
* <p> This is only used for testing the dream service APIs.
*
* @hide
*/
@TestApi
@RequiresPermission(android.Manifest.permission.READ_DREAM_STATE)
public boolean isDreaming() {
try {
return mService.isDreaming();
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
return false;
}
}
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