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/*
* Copyright (C) 2022 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.biometrics;
import android.annotation.Nullable;
/**
* Interface for toggling the optimal display mode for the under-display fingerprint sensor
* (UDFPS). For example, the implementation might change the refresh rate and activate a
* high-brightness mode.
*/
public interface UdfpsDisplayModeProvider {
/**
* Enables the optimal display mode for UDFPS. The mode will persist until
* {@link #disable(Runnable)} is called.
*
* This call must be made from the UI thread. The callback, if provided, will also be invoked
* from the UI thread.
*
* @param onEnabled A runnable that will be executed once the mode is enabled.
*/
void enable(@Nullable Runnable onEnabled);
/**
* Disables the mode that was enabled by {@link #enable(Runnable)}.
*
* The call must be made from the UI thread. The callback, if provided, will also be invoked
* from the UI thread.
*
* @param onDisabled A runnable that will be executed once mode is disabled.
*/
void disable(@Nullable Runnable onDisabled);
}
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