ActivityStack.kt
/*
* Copyright 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 androidx.window.embedding
import android.app.Activity
import androidx.window.core.ExperimentalWindowApi
/**
* A container that holds a stack of activities, overlapping and bound to the same rectangle on the
* screen.
*/
@ExperimentalWindowApi
class ActivityStack(internal val activities: List<Activity>) {
operator fun contains(activity: Activity): Boolean {
return activities.contains(activity)
}
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is ActivityStack) return false
if (activities != other.activities) return false
return true
}
override fun hashCode(): Int {
return activities.hashCode()
}
}