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Commit 7339a87b authored by Jordan Demeulenaere's avatar Jordan Demeulenaere Committed by Android (Google) Code Review
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Merge changes Ia5accb74,Ic4d7def4,I30bd56fc into sc-v2-dev

* changes:
  Change DialogLaunchAnimator X-axis interpolator
  Extract interpolators and durations out of LaunchAnimator
  Synchronize dialog launch animation using BLAST
parents 20e71a63 8c68088b
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<?xml version="1.0" encoding="utf-8"?>
<!--
     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.
-->
<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:pathData="M 0, 0 C 0.1217, 0.0462, 0.15, 0.4686, 0.1667, 0.66 C 0.1834, 0.8878, 0.1667, 1, 1, 1" />
 No newline at end of file
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<?xml version="1.0" encoding="utf-8"?>
<!--
     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.
-->
<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:pathData="M 0,0 C 0.05, 0, 0.133333, 0.06, 0.166666, 0.4 C 0.208333, 0.82, 0.25, 1, 1, 1" />
 No newline at end of file
+41 −9
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@@ -21,6 +21,7 @@ import android.app.ActivityTaskManager
import android.app.PendingIntent
import android.app.TaskInfo
import android.graphics.Matrix
import android.graphics.Path
import android.graphics.Rect
import android.graphics.RectF
import android.os.Looper
@@ -34,6 +35,7 @@ import android.view.SyncRtSurfaceTransactionApplier
import android.view.View
import android.view.ViewGroup
import android.view.WindowManager
import android.view.animation.Interpolator
import android.view.animation.PathInterpolator
import com.android.internal.annotations.VisibleForTesting
import com.android.internal.policy.ScreenDecorationsUtils
@@ -45,16 +47,46 @@ private const val TAG = "ActivityLaunchAnimator"
 * A class that allows activities to be started in a seamless way from a view that is transforming
 * nicely into the starting window.
 */
class ActivityLaunchAnimator(private val launchAnimator: LaunchAnimator) {
class ActivityLaunchAnimator(
    private val launchAnimator: LaunchAnimator = LaunchAnimator(TIMINGS, INTERPOLATORS)
) {
    companion object {
        @JvmField
        val TIMINGS = LaunchAnimator.Timings(
            totalDuration = 500L,
            contentBeforeFadeOutDelay = 0L,
            contentBeforeFadeOutDuration = 150L,
            contentAfterFadeInDelay = 150L,
            contentAfterFadeInDuration = 183L
        )

        val INTERPOLATORS = LaunchAnimator.Interpolators(
            positionInterpolator = Interpolators.EMPHASIZED,
            positionXInterpolator = createPositionXInterpolator(),
            contentBeforeFadeOutInterpolator = Interpolators.LINEAR_OUT_SLOW_IN,
            contentAfterFadeInInterpolator = PathInterpolator(0f, 0f, 0.6f, 1f)
        )

        /** Durations & interpolators for the navigation bar fading in & out. */
        private const val ANIMATION_DURATION_NAV_FADE_IN = 266L
        private const val ANIMATION_DURATION_NAV_FADE_OUT = 133L
        private const val ANIMATION_DELAY_NAV_FADE_IN =
            LaunchAnimator.ANIMATION_DURATION - ANIMATION_DURATION_NAV_FADE_IN
        private const val LAUNCH_TIMEOUT = 1000L
        private val ANIMATION_DELAY_NAV_FADE_IN =
            TIMINGS.totalDuration - ANIMATION_DURATION_NAV_FADE_IN

        private val NAV_FADE_IN_INTERPOLATOR = PathInterpolator(0f, 0f, 0f, 1f)
        private val NAV_FADE_IN_INTERPOLATOR = Interpolators.STANDARD_DECELERATE
        private val NAV_FADE_OUT_INTERPOLATOR = PathInterpolator(0.2f, 0f, 1f, 1f)

        /** The time we wait before timing out the remote animation after starting the intent. */
        private const val LAUNCH_TIMEOUT = 1000L

        private fun createPositionXInterpolator(): Interpolator {
            val path = Path().apply {
                moveTo(0f, 0f)
                cubicTo(0.1217f, 0.0462f, 0.15f, 0.4686f, 0.1667f, 0.66f)
                cubicTo(0.1834f, 0.8878f, 0.1667f, 1f, 1f, 1f)
            }
            return PathInterpolator(path)
        }
    }

    /**
@@ -107,8 +139,8 @@ class ActivityLaunchAnimator(private val launchAnimator: LaunchAnimator) {
        val animationAdapter = if (!hideKeyguardWithAnimation) {
            RemoteAnimationAdapter(
                runner,
                LaunchAnimator.ANIMATION_DURATION,
                LaunchAnimator.ANIMATION_DURATION - 150 /* statusBarTransitionDelay */
                TIMINGS.totalDuration,
                TIMINGS.totalDuration - 150 /* statusBarTransitionDelay */
            )
        } else {
            null
@@ -448,7 +480,7 @@ class ActivityLaunchAnimator(private val launchAnimator: LaunchAnimator) {
            state: LaunchAnimator.State,
            linearProgress: Float
        ) {
            val fadeInProgress = LaunchAnimator.getProgress(linearProgress,
            val fadeInProgress = LaunchAnimator.getProgress(TIMINGS, linearProgress,
                ANIMATION_DELAY_NAV_FADE_IN, ANIMATION_DURATION_NAV_FADE_OUT)

            val params = SyncRtSurfaceTransactionApplier.SurfaceParams.Builder(navigationBar.leash)
@@ -463,7 +495,7 @@ class ActivityLaunchAnimator(private val launchAnimator: LaunchAnimator) {
                    .withWindowCrop(windowCrop)
                    .withVisibility(true)
            } else {
                val fadeOutProgress = LaunchAnimator.getProgress(linearProgress, 0,
                val fadeOutProgress = LaunchAnimator.getProgress(TIMINGS, linearProgress, 0,
                    ANIMATION_DURATION_NAV_FADE_OUT)
                params.withAlpha(1f - NAV_FADE_OUT_INTERPOLATOR.getInterpolation(fadeOutProgress))
            }
+95 −77
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.animation.ValueAnimator
import android.app.Dialog
import android.content.Context
import android.graphics.Color
import android.graphics.Rect
import android.os.Looper
@@ -28,10 +27,11 @@ import android.service.dreams.IDreamManager
import android.util.Log
import android.util.MathUtils
import android.view.GhostView
import android.view.SurfaceControl
import android.view.View
import android.view.ViewGroup
import android.view.ViewGroup.LayoutParams.MATCH_PARENT
import android.view.ViewTreeObserver.OnPreDrawListener
import android.view.ViewRootImpl
import android.view.WindowManager
import android.widget.FrameLayout
import kotlin.math.roundToInt
@@ -42,12 +42,20 @@ private const val TAG = "DialogLaunchAnimator"
 * A class that allows dialogs to be started in a seamless way from a view that is transforming
 * nicely into the starting dialog.
 */
class DialogLaunchAnimator(
    private val context: Context,
    private val launchAnimator: LaunchAnimator,
    private val dreamManager: IDreamManager
class DialogLaunchAnimator @JvmOverloads constructor(
    private val dreamManager: IDreamManager,
    private val launchAnimator: LaunchAnimator = LaunchAnimator(TIMINGS, INTERPOLATORS),
    private var isForTesting: Boolean = false
) {
    private companion object {
        private val TIMINGS = ActivityLaunchAnimator.TIMINGS

        // We use the same interpolator for X and Y axis to make sure the dialog does not move out
        // of the screen bounds during the animation.
        private val INTERPOLATORS = ActivityLaunchAnimator.INTERPOLATORS.copy(
            positionXInterpolator = ActivityLaunchAnimator.INTERPOLATORS.positionInterpolator
        )

        private val TAG_LAUNCH_ANIMATION_RUNNING = R.id.launch_animation_running
    }

@@ -96,14 +104,14 @@ class DialogLaunchAnimator(
        animateFrom.setTag(TAG_LAUNCH_ANIMATION_RUNNING, true)

        val animatedDialog = AnimatedDialog(
                context,
                launchAnimator,
                dreamManager,
                animateFrom,
                onDialogDismissed = { openedDialogs.remove(it) },
                dialog = dialog,
                animateBackgroundBoundsChange,
                animatedParent
                animatedParent,
                isForTesting
        )

        openedDialogs.add(animatedDialog)
@@ -157,7 +165,6 @@ class DialogLaunchAnimator(
}

private class AnimatedDialog(
    private val context: Context,
    private val launchAnimator: LaunchAnimator,
    private val dreamManager: IDreamManager,

@@ -174,10 +181,16 @@ private class AnimatedDialog(
    val dialog: Dialog,

    /** Whether we should animate the dialog background when its bounds change. */
    private val animateBackgroundBoundsChange: Boolean,
    animateBackgroundBoundsChange: Boolean,

    /** Launch animation corresponding to the parent [AnimatedDialog]. */
    private val parentAnimatedDialog: AnimatedDialog? = null
    private val parentAnimatedDialog: AnimatedDialog? = null,

    /**
     * Whether we are currently running in a test, in which case we need to disable
     * synchronization.
     */
    private val isForTesting: Boolean
) {
    /**
     * The DecorView of this dialog window.
@@ -266,14 +279,14 @@ private class AnimatedDialog(
            // and the view that we added so that we can dismiss the dialog when this view is
            // clicked. This is necessary because DecorView overrides onTouchEvent and therefore we
            // can't set the click listener directly on the (now fullscreen) DecorView.
            val fullscreenTransparentBackground = FrameLayout(context)
            val fullscreenTransparentBackground = FrameLayout(dialog.context)
            decorView.addView(
                fullscreenTransparentBackground,
                0 /* index */,
                FrameLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT)
            )

            val dialogContentWithBackground = FrameLayout(context)
            val dialogContentWithBackground = FrameLayout(dialog.context)
            dialogContentWithBackground.background = decorView.background

            // Make the window background transparent. Note that setting the window (or DecorView)
@@ -365,59 +378,77 @@ private class AnimatedDialog(
        // Show the dialog.
        dialog.show()

        // Add a temporary touch surface ghost as soon as the window is ready to draw. This
        // temporary ghost will be drawn together with the touch surface, but in the dialog
        // window. Once it is drawn, we will make the touch surface invisible, and then start the
        // animation. We do all this synchronization to avoid flicker that would occur if we made
        // the touch surface invisible too early (before its ghost is drawn), leading to one or more
        // frames with a hole instead of the touch surface (or its ghost).
        decorView.viewTreeObserver.addOnPreDrawListener(object : OnPreDrawListener {
            override fun onPreDraw(): Boolean {
                decorView.viewTreeObserver.removeOnPreDrawListener(this)
                addTemporaryTouchSurfaceGhost()
                return true
        addTouchSurfaceGhost()
    }
        })
        decorView.invalidate()

    private fun addTouchSurfaceGhost() {
        if (decorView.viewRootImpl == null) {
            // Make sure that we have access to the dialog view root to synchronize the creation of
            // the ghost.
            decorView.post(::addTouchSurfaceGhost)
            return
        }

    private fun addTemporaryTouchSurfaceGhost() {
        // Create a ghost of the touch surface (which will make the touch surface invisible) and add
        // it to the dialog. We will wait for this ghost to be drawn before starting the animation.
        val ghost = GhostView.addGhost(touchSurface, decorView)
        // it to the host dialog. We trigger a one off synchronization to make sure that this is
        // done in sync between the two different windows.
        synchronizeNextDraw(then = {
            isTouchSurfaceGhostDrawn = true
            maybeStartLaunchAnimation()
        })
        GhostView.addGhost(touchSurface, decorView)

        // The ghost of the touch surface was just created, so the touch surface was made invisible.
        // We make it visible again until the ghost is actually drawn.
        touchSurface.visibility = View.VISIBLE
        // The ghost of the touch surface was just created, so the touch surface is currently
        // invisible. We need to make sure that it stays invisible as long as the dialog is shown or
        // animating.
        (touchSurface as? LaunchableView)?.setShouldBlockVisibilityChanges(true)
    }

        // Wait for the ghost to be drawn before continuing.
        ghost.viewTreeObserver.addOnPreDrawListener(object : OnPreDrawListener {
            override fun onPreDraw(): Boolean {
                ghost.viewTreeObserver.removeOnPreDrawListener(this)
                onTouchSurfaceGhostDrawn()
                return true
    /**
     * Synchronize the next draw of the touch surface and dialog view roots so that they are
     * performed at the same time, in the same transaction. This is necessary to make sure that the
     * ghost of the touch surface is drawn at the same time as the touch surface is made invisible
     * (or inversely, removed from the UI when the touch surface is made visible).
     */
    private fun synchronizeNextDraw(then: () -> Unit) {
        if (isForTesting || !touchSurface.isAttachedToWindow || touchSurface.viewRootImpl == null ||
            !decorView.isAttachedToWindow || decorView.viewRootImpl == null) {
            // No need to synchronize if either the touch surface or dialog view is not attached
            // to a window.
            then()
            return
        }

        // Consume the next frames of both view roots to make sure the ghost view is drawn at
        // exactly the same time as when the touch surface is made invisible.
        var remainingTransactions = 0
        val mergedTransactions = SurfaceControl.Transaction()

        fun onTransaction(transaction: SurfaceControl.Transaction?) {
            remainingTransactions--
            transaction?.let { mergedTransactions.merge(it) }

            if (remainingTransactions == 0) {
                mergedTransactions.apply()
                then()
            }
        })
        ghost.invalidate()
        }

    private fun onTouchSurfaceGhostDrawn() {
        // Make the touch surface invisible and make sure that it stays invisible as long as the
        // dialog is shown or animating.
        touchSurface.visibility = View.INVISIBLE
        (touchSurface as? LaunchableView)?.setShouldBlockVisibilityChanges(true)
        fun consumeNextDraw(viewRootImpl: ViewRootImpl) {
            if (viewRootImpl.consumeNextDraw(::onTransaction)) {
                remainingTransactions++

        // Add a pre draw listener to (maybe) start the animation once the touch surface is
        // actually invisible.
        touchSurface.viewTreeObserver.addOnPreDrawListener(object : OnPreDrawListener {
            override fun onPreDraw(): Boolean {
                touchSurface.viewTreeObserver.removeOnPreDrawListener(this)
                isTouchSurfaceGhostDrawn = true
                maybeStartLaunchAnimation()
                return true
                // Make sure we trigger a traversal.
                viewRootImpl.view.invalidate()
            }
        }

        consumeNextDraw(touchSurface.viewRootImpl)
        consumeNextDraw(decorView.viewRootImpl)

        if (remainingTransactions == 0) {
            then()
        }
        })
        touchSurface.invalidate()
    }

    private fun findFirstViewGroupWithBackground(view: View): ViewGroup? {
@@ -483,7 +514,7 @@ private class AnimatedDialog(

    private fun onDialogDismissed() {
        if (Looper.myLooper() != Looper.getMainLooper()) {
            context.mainExecutor.execute { onDialogDismissed() }
            dialog.context.mainExecutor.execute { onDialogDismissed() }
            return
        }

@@ -556,25 +587,12 @@ private class AnimatedDialog(
                        .removeOnLayoutChangeListener(backgroundLayoutListener)
                }

                // The animated ghost was just removed. We create a temporary ghost that will be
                // removed only once we draw the touch surface, to avoid flickering that would
                // happen when removing the ghost too early (before the touch surface is drawn).
                GhostView.addGhost(touchSurface, decorView)

                touchSurface.viewTreeObserver.addOnPreDrawListener(object : OnPreDrawListener {
                    override fun onPreDraw(): Boolean {
                        touchSurface.viewTreeObserver.removeOnPreDrawListener(this)

                        // Now that the touch surface was drawn, we can remove the temporary ghost
                        // and instantly dismiss the dialog.
                        GhostView.removeGhost(touchSurface)
                // Make sure that the removal of the ghost and making the touch surface visible is
                // done at the same time.
                synchronizeNextDraw(then = {
                    onAnimationFinished(true /* instantDismiss */)
                    onDialogDismissed(this@AnimatedDialog)

                        return true
                    }
                })
                touchSurface.invalidate()
            }
        )
    }
+76 −30
Original line number Diff line number Diff line
@@ -27,25 +27,19 @@ import android.util.Log
import android.util.MathUtils
import android.view.View
import android.view.ViewGroup
import android.view.animation.AnimationUtils
import android.view.animation.PathInterpolator
import android.view.animation.Interpolator
import com.android.systemui.animation.Interpolators.LINEAR
import kotlin.math.roundToInt

private const val TAG = "LaunchAnimator"

/** A base class to animate a window launch (activity or dialog) from a view . */
class LaunchAnimator @JvmOverloads constructor(
    context: Context,
    private val isForTesting: Boolean = false
class LaunchAnimator(
    private val timings: Timings,
    private val interpolators: Interpolators
) {
    companion object {
        internal const val DEBUG = false
        const val ANIMATION_DURATION = 500L
        private const val ANIMATION_DURATION_FADE_OUT_CONTENT = 150L
        private const val ANIMATION_DURATION_FADE_IN_WINDOW = 183L
        private const val ANIMATION_DELAY_FADE_IN_WINDOW = ANIMATION_DURATION_FADE_OUT_CONTENT

        private val WINDOW_FADE_IN_INTERPOLATOR = PathInterpolator(0f, 0f, 0.6f, 1f)
        private val SRC_MODE = PorterDuffXfermode(PorterDuff.Mode.SRC)

        /**
@@ -53,23 +47,20 @@ class LaunchAnimator @JvmOverloads constructor(
         * sub-animation starting [delay] ms after the launch animation and that lasts [duration].
         */
        @JvmStatic
        fun getProgress(linearProgress: Float, delay: Long, duration: Long): Float {
        fun getProgress(
            timings: Timings,
            linearProgress: Float,
            delay: Long,
            duration: Long
        ): Float {
            return MathUtils.constrain(
                (linearProgress * ANIMATION_DURATION - delay) / duration,
                (linearProgress * timings.totalDuration - delay) / duration,
                0.0f,
                1.0f
            )
        }
    }

    /** The interpolator used for the width, height, Y position and corner radius. */
    private val animationInterpolator = AnimationUtils.loadInterpolator(context,
        R.interpolator.launch_animation_interpolator_y)

    /** The interpolator used for the X position. */
    private val animationInterpolatorX = AnimationUtils.loadInterpolator(context,
        R.interpolator.launch_animation_interpolator_x)

    private val launchContainerLocation = IntArray(2)
    private val cornerRadii = FloatArray(8)

@@ -159,6 +150,45 @@ class LaunchAnimator @JvmOverloads constructor(
        fun cancel()
    }

    /** The timings (durations and delays) used by this animator. */
    class Timings(
        /** The total duration of the animation. */
        val totalDuration: Long,

        /** The time to wait before fading out the expanding content. */
        val contentBeforeFadeOutDelay: Long,

        /** The duration of the expanding content fade out. */
        val contentBeforeFadeOutDuration: Long,

        /**
         * The time to wait before fading in the expanded content (usually an activity or dialog
         * window).
         */
        val contentAfterFadeInDelay: Long,

        /** The duration of the expanded content fade in. */
        val contentAfterFadeInDuration: Long
    )

    /** The interpolators used by this animator. */
    data class Interpolators(
        /** The interpolator used for the Y position, width, height and corner radius. */
        val positionInterpolator: Interpolator,

        /**
         * The interpolator used for the X position. This can be different than
         * [positionInterpolator] to create an arc-path during the animation.
         */
        val positionXInterpolator: Interpolator = positionInterpolator,

        /** The interpolator used when fading out the expanding content. */
        val contentBeforeFadeOutInterpolator: Interpolator,

        /** The interpolator used when fading in the expanded content. */
        val contentAfterFadeInInterpolator: Interpolator
    )

    /**
     * Start a launch animation controlled by [controller] towards [endState]. An intermediary
     * layer with [windowBackgroundColor] will fade in then fade out above the expanding view, and
@@ -221,8 +251,8 @@ class LaunchAnimator @JvmOverloads constructor(

        // Update state.
        val animator = ValueAnimator.ofFloat(0f, 1f)
        animator.duration = if (isForTesting) 0 else ANIMATION_DURATION
        animator.interpolator = Interpolators.LINEAR
        animator.duration = timings.totalDuration
        animator.interpolator = LINEAR

        val launchContainerOverlay = launchContainer.overlay
        var cancelled = false
@@ -260,8 +290,8 @@ class LaunchAnimator @JvmOverloads constructor(
            // TODO(b/184121838): Use reverse interpolators to get the same path/arc as the non
            // reversed animation.
            val linearProgress = animation.animatedFraction
            val progress = animationInterpolator.getInterpolation(linearProgress)
            val xProgress = animationInterpolatorX.getInterpolation(linearProgress)
            val progress = interpolators.positionInterpolator.getInterpolation(linearProgress)
            val xProgress = interpolators.positionXInterpolator.getInterpolation(linearProgress)

            val xCenter = MathUtils.lerp(startCenterX, endCenterX, xProgress)
            val halfWidth = MathUtils.lerp(startWidth, endWidth, progress) / 2f
@@ -278,7 +308,12 @@ class LaunchAnimator @JvmOverloads constructor(

            // The expanding view can/should be hidden once it is completely covered by the opening
            // window.
            state.visible = getProgress(linearProgress, 0, ANIMATION_DURATION_FADE_OUT_CONTENT) < 1
            state.visible = getProgress(
                timings,
                linearProgress,
                timings.contentBeforeFadeOutDelay,
                timings.contentBeforeFadeOutDuration
            ) < 1

            applyStateToWindowBackgroundLayer(
                windowBackgroundLayer,
@@ -337,14 +372,25 @@ class LaunchAnimator @JvmOverloads constructor(

        // We first fade in the background layer to hide the expanding view, then fade it out
        // with SRC mode to draw a hole punch in the status bar and reveal the opening window.
        val fadeInProgress = getProgress(linearProgress, 0, ANIMATION_DURATION_FADE_OUT_CONTENT)
        val fadeInProgress = getProgress(
            timings,
            linearProgress,
            timings.contentBeforeFadeOutDelay,
            timings.contentBeforeFadeOutDuration
        )
        if (fadeInProgress < 1) {
            val alpha = Interpolators.LINEAR_OUT_SLOW_IN.getInterpolation(fadeInProgress)
            val alpha =
                interpolators.contentBeforeFadeOutInterpolator.getInterpolation(fadeInProgress)
            drawable.alpha = (alpha * 0xFF).roundToInt()
        } else {
            val fadeOutProgress = getProgress(
                linearProgress, ANIMATION_DELAY_FADE_IN_WINDOW, ANIMATION_DURATION_FADE_IN_WINDOW)
            val alpha = 1 - WINDOW_FADE_IN_INTERPOLATOR.getInterpolation(fadeOutProgress)
                timings,
                linearProgress,
                timings.contentAfterFadeInDelay,
                timings.contentAfterFadeInDuration
            )
            val alpha =
                1 - interpolators.contentAfterFadeInInterpolator.getInterpolation(fadeOutProgress)
            drawable.alpha = (alpha * 0xFF).roundToInt()

            if (drawHole) {
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