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/*
* Copyright (C) 2021 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.flags
/**
* Plugin for loading flag values
*/
interface FlagReader {
/** Returns a boolean value for the given flag. */
fun isEnabled(flag: BooleanFlag): Boolean {
return flag.default
}
/** Returns a boolean value for the given flag. */
fun isEnabled(id: Int, def: Boolean): Boolean {
return def
}
/** Add a listener to be alerted when any flag changes. */
fun addListener(listener: Listener) {}
/** Remove a listener to be alerted when any flag changes. */
fun removeListener(listener: Listener) {}
/** A simple listener to be alerted when a flag changes. */
fun interface Listener {
/** */
fun onFlagChanged(id: Int)
}
}
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