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package com.android.systemui.statusbar.notification
import android.util.MathUtils
import com.android.internal.annotations.VisibleForTesting
import com.android.systemui.animation.ActivityLaunchAnimator
import com.android.systemui.animation.Interpolators
import com.android.systemui.animation.LaunchAnimator
import kotlin.math.min
/** Parameters for the notifications launch expanding animations. */
class LaunchAnimationParameters(
top: Int,
bottom: Int,
left: Int,
right: Int,
topCornerRadius: Float = 0f,
bottomCornerRadius: Float = 0f
) : LaunchAnimator.State(top, bottom, left, right, topCornerRadius, bottomCornerRadius) {
@VisibleForTesting
constructor() : this(
top = 0, bottom = 0, left = 0, right = 0, topCornerRadius = 0f, bottomCornerRadius = 0f
)
var startTranslationZ = 0f
/**
* The top position of the notification at the start of the animation. This is needed in order
* to keep the notification at its place when launching a notification that is clipped rounded.
* This value is in absolute screen coordinates.
*/
var startNotificationTop = 0
var notificationParentTop = 0
var startClipTopAmount = 0
var parentStartClipTopAmount = 0
var progress = 0f
var linearProgress = 0f
/**
* The rounded top clipping at the beginning.
*/
var startRoundedTopClipping = 0
/**
* The rounded top clipping of the parent notification at the start.
*/
var parentStartRoundedTopClipping = 0
override val topChange: Int
get() {
// We need this compensation to ensure that the QS moves in sync.
var clipTopAmountCompensation = 0
if (startClipTopAmount.toFloat() != 0.0f) {
clipTopAmountCompensation = MathUtils.lerp(0f, startClipTopAmount.toFloat(),
Interpolators.FAST_OUT_SLOW_IN.getInterpolation(linearProgress)).toInt()
}
return min(super.topChange - clipTopAmountCompensation, 0)
}
fun getProgress(delay: Long, duration: Long): Float {
return LaunchAnimator.getProgress(ActivityLaunchAnimator.TIMINGS, linearProgress, delay,
duration)
}
}
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