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/*
* Copyright (C) 2010 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 android.annotation.Nullable;
import com.android.systemui.DemoMode;
import com.android.systemui.Dumpable;
import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
import java.io.FileDescriptor;
import java.io.PrintWriter;
public interface BatteryController extends DemoMode, Dumpable,
CallbackController<BatteryStateChangeCallback> {
/**
* Prints the current state of the {@link BatteryController} to the given {@link PrintWriter}.
*/
void dump(FileDescriptor fd, PrintWriter pw, String[] args);
/**
* Sets if the current device is in power save mode.
*/
void setPowerSaveMode(boolean powerSave);
/**
* Returns {@code true} if the device is currently in power save mode.
*/
boolean isPowerSave();
/**
* Returns {@code true} if AOD was disabled by power saving policies.
*/
default boolean isAodPowerSave() {
return isPowerSave();
}
/**
* A listener that will be notified whenever a change in battery level or power save mode has
* occurred.
*/
interface BatteryStateChangeCallback {
default void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {
}
default void onPowerSaveChanged(boolean isPowerSave) {
}
}
/**
* If available, get the estimated battery time remaining as a string.
*
* @param completion A lambda that will be called with the result of fetching the estimate. The
* first time this method is called may need to be dispatched to a background thread. The
* completion is called on the main thread
*/
default void getEstimatedTimeRemainingString(EstimateFetchCompletion completion) {}
/**
* Callback called when the estimated time remaining text is fetched.
*/
public interface EstimateFetchCompletion {
/**
* The callback
* @param estimate the estimate
*/
void onBatteryRemainingEstimateRetrieved(@Nullable String estimate);
}
}
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