| /* |
| * 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(); |
| |
| 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); |
| } |
| } |