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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.shade
/** Provides certain notification panel events. */
interface ShadeStateEvents {
/** Registers callbacks to be invoked when notification panel events occur. */
fun addShadeStateEventsListener(listener: ShadeStateEventsListener)
/** Unregisters callbacks previously registered via [addShadeStateEventsListener] */
fun removeShadeStateEventsListener(listener: ShadeStateEventsListener)
/** Callbacks for certain notification panel events. */
interface ShadeStateEventsListener {
/** Invoked when the notification panel starts or stops collapsing. */
@JvmDefault fun onPanelCollapsingChanged(isCollapsing: Boolean) {}
/**
* Invoked when the notification panel starts or stops launching an [android.app.Activity].
*/
@JvmDefault fun onLaunchingActivityChanged(isLaunchingActivity: Boolean) {}
/**
* Invoked when the "expand immediate" attribute changes.
*
* An example of expanding immediately is when swiping down from the top with two fingers.
* Instead of going to QQS, we immediately expand to full QS.
*
* Another example is when full QS is showing, and we swipe up from the bottom. Instead of
* going to QQS, the panel fully collapses.
*/
@JvmDefault fun onExpandImmediateChanged(isExpandImmediateEnabled: Boolean) {}
}
}
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