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/*
* Copyright 2020 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.ui.core.gesture
import androidx.ui.core.PointerInputChange
import androidx.ui.core.pointerinput.PointerInputFilter
import androidx.ui.core.pointerinput.PointerInputModifier
import androidx.ui.unit.IntPxSize
/**
* Utility method that determines if any pointers are currently in [bounds].
*
* A pointer is considered in bounds if it is currently down and it's current
* position is within the provided [bounds]
*
* @return True if at least one pointer is in bounds.
*/
fun List<PointerInputChange>.anyPointersInBounds(bounds: IntPxSize) =
any {
it.current.down &&
it.current.position!!.x.value >= 0 &&
it.current.position!!.x < bounds.width &&
it.current.position!!.y.value >= 0 &&
it.current.position!!.y < bounds.height
}
internal class PointerInputModifierImpl(override val pointerInputFilter: PointerInputFilter) :
PointerInputModifier