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/*
* Copyright (C) 2016 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 com.android.systemui.statusbar.policy;
import com.android.systemui.Dumpable;
import com.android.systemui.statusbar.policy.FlashlightController.FlashlightListener;
public interface FlashlightController extends CallbackController<FlashlightListener>, Dumpable {
boolean hasFlashlight();
void setFlashlight(boolean newState);
boolean isAvailable();
boolean isEnabled();
void initFlashLight();
public interface FlashlightListener {
/**
* Called when the flashlight was turned off or on.
* @param enabled true if the flashlight is currently turned on.
*/
void onFlashlightChanged(boolean enabled);
/**
* Called when there is an error that turns the flashlight off.
*/
void onFlashlightError();
/**
* Called when there is a change in availability of the flashlight functionality
* @param available true if the flashlight is currently available.
*/
void onFlashlightAvailabilityChanged(boolean available);
}
}
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