Update animations for TM-QPR: OverviewSplitSelect > Confirmed transition

This change updates the animation for confirming a split.

Includes:
- New timings
- A new interface, SplitAnimationTimings, that centralizes timing values for splitscreen animations

Fixes: 241126570
Test: Manual
Change-Id: I61339964a7254618b368b17f00fda8f5efb53de4
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index f5161aa..bfece6c 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -62,6 +62,7 @@
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.DisplayController;
 import com.android.quickstep.util.RecentsAtomicAnimationFactory;
+import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -79,14 +80,6 @@
     private static final int PER_PAGE_SCROLL_DURATION = 150;
     private static final int MAX_PAGE_SCROLL_DURATION = 750;
 
-    private static final int OVERVIEW_TO_SPLIT_ACTIONS_FADE_START = 0;
-    private static final int OVERVIEW_TO_SPLIT_ACTIONS_FADE_END = 83;
-
-    private static final float OVERVIEW_TO_SPLIT_ACTIONS_FADE_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_ACTIONS_FADE_START / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_ACTIONS_FADE_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_ACTIONS_FADE_END / SplitScreenSelectState.ENTER_DURATION;
-
     // Due to use of physics, duration may differ between devices so we need to calculate and
     // cache the value.
     private int mHintToNormalDuration = -1;
@@ -197,9 +190,10 @@
         } else if (fromState == NORMAL && toState == ALL_APPS) {
             AllAppsSwipeController.applyNormalToAllAppsAnimConfig(mActivity, config);
         } else if (fromState == OVERVIEW && toState == OVERVIEW_SPLIT_SELECT) {
+            SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
             config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, clampToProgress(LINEAR,
-                    OVERVIEW_TO_SPLIT_ACTIONS_FADE_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_ACTIONS_FADE_END_OFFSET));
+                    timings.getActionsFadeStartOffset(),
+                    timings.getActionsFadeEndOffset()));
         }
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
index 2bc3c3e..430053d 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 
 import com.android.launcher3.Launcher;
+import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -26,10 +27,6 @@
  * pinned and user is selecting the second one
  */
 public class SplitScreenSelectState extends OverviewState {
-    public static final int ENTER_DURATION = 866;
-    public static final int EXIT_DURATION = 500;
-    // TODO: Add ability to differentiate between Split > Home and Split > Confirmed timings
-
     public SplitScreenSelectState(int id) {
         super(id);
     }
@@ -47,6 +44,8 @@
 
     @Override
     public int getTransitionDuration(Context context, boolean isToState) {
-        return isToState ? ENTER_DURATION : EXIT_DURATION;
+        return isToState
+                ? SplitAnimationTimings.ENTER_DURATION
+                : SplitAnimationTimings.ABORT_DURATION;
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java b/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java
new file mode 100644
index 0000000..40e547b
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java
@@ -0,0 +1,89 @@
+/*
+ * 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.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
+
+import android.view.animation.Interpolator;
+
+/**
+ * Timings for the Overview > OverviewSplitSelect animation.
+ */
+public class OverviewToSplitTimings implements SplitAnimationTimings {
+    public int getThumbnailFadeToGrayStart() { return 0; }
+    public int getThumbnailFadeToGrayEnd() { return 133; }
+    public int getDockedIconFadeInStart() { return 167; }
+    public int getDockedIconFadeInEnd() { return 250; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 417; }
+    public int getGridSlideStart() { return 67; }
+    public int getGridSlideStagger() { return 16; }
+    public int getGridSlideDuration() { return 500; }
+    public int getActionsFadeStart() { return 0; }
+    public int getActionsFadeEnd() { return 83; }
+    public int getIconFadeStart() { return 0; }
+    public int getIconFadeEnd() { return 83; }
+    public int getInstructionsContainerFadeInStart() { return 167; }
+    public int getInstructionsContainerFadeInEnd() { return 250; }
+    public int getInstructionsTextFadeInStart() { return 217; }
+    public int getInstructionsTextFadeInEnd() { return 300; }
+    public int getInstructionsUnfoldStart() { return 167; }
+    public int getInstructionsUnfoldEnd() { return 500; }
+
+    public int getDuration() { return ENTER_DURATION; }
+    public Interpolator getStagedRectSlideInterpolator() { return DEACCEL_2; }
+
+    public float getGridSlideStartOffset() {
+        return (float) getGridSlideStart() / getDuration();
+    }
+    public float getGridSlideStaggerOffset() {
+        return (float) getGridSlideStagger() / getDuration();
+    }
+    public float getGridSlideDurationOffset() {
+        return (float) getGridSlideDuration() / getDuration();
+    }
+    public float getActionsFadeStartOffset() {
+        return (float) getActionsFadeStart() / getDuration();
+    }
+    public float getActionsFadeEndOffset() {
+        return (float) getActionsFadeEnd() / getDuration();
+    }
+    public float getIconFadeStartOffset() {
+        return (float) getIconFadeStart() / getDuration();
+    }
+    public float getIconFadeEndOffset() {
+        return (float) getIconFadeEnd() / getDuration();
+    }
+    public float getInstructionsContainerFadeInStartOffset() {
+        return (float) getInstructionsContainerFadeInStart() / getDuration();
+    }
+    public float getInstructionsContainerFadeInEndOffset() {
+        return (float) getInstructionsContainerFadeInEnd() / getDuration();
+    }
+    public float getInstructionsTextFadeInStartOffset() {
+        return (float) getInstructionsTextFadeInStart() / getDuration();
+    }
+    public float getInstructionsTextFadeInEndOffset() {
+        return (float) getInstructionsTextFadeInEnd() / getDuration();
+    }
+    public float getInstructionsUnfoldStartOffset() {
+        return (float) getInstructionsUnfoldStart() / getDuration();
+    }
+    public float getInstructionsUnfoldEndOffset() {
+        return (float) getInstructionsUnfoldEnd() / getDuration();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
new file mode 100644
index 0000000..c6f7fb1
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
@@ -0,0 +1,79 @@
+/*
+ * 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.quickstep.util;
+
+import android.view.animation.Interpolator;
+
+/**
+ * An interface that supports the centralization of timing information for splitscreen animations.
+ */
+public interface SplitAnimationTimings {
+    int ENTER_DURATION = 866;
+    int ABORT_DURATION = 500;
+    int CONFIRM_DURATION = 383;
+
+    SplitAnimationTimings OVERVIEW_TO_SPLIT = new OverviewToSplitTimings();
+    SplitAnimationTimings SPLIT_TO_CONFIRM = new SplitToConfirmTimings();
+
+    // Shared methods
+    int getDuration();
+    int getThumbnailFadeToGrayStart();
+    int getThumbnailFadeToGrayEnd();
+    int getDockedIconFadeInStart();
+    int getDockedIconFadeInEnd();
+    int getStagedRectSlideStart();
+    int getStagedRectSlideEnd();
+    Interpolator getStagedRectSlideInterpolator();
+    default float getThumbnailFadeToGrayStartOffset() {
+        return (float) getThumbnailFadeToGrayStart() / getDuration();
+    }
+    default float getThumbnailFadeToGrayEndOffset() {
+        return (float) getThumbnailFadeToGrayEnd() / getDuration();
+    }
+    default float getDockedIconFadeInStartOffset() {
+        return (float) getDockedIconFadeInStart() / getDuration();
+    }
+    default float getDockedIconFadeInEndOffset() {
+        return (float) getDockedIconFadeInEnd() / getDuration();
+    }
+    default float getStagedRectSlideStartOffset() {
+        return (float) getStagedRectSlideStart() / getDuration();
+    }
+    default float getStagedRectSlideEndOffset() {
+        return (float) getStagedRectSlideEnd() / getDuration();
+    }
+
+    // Defaults for OverviewToSplit
+    default float getGridSlideStartOffset() { return 0; }
+    default float getGridSlideStaggerOffset() { return 0; }
+    default float getGridSlideDurationOffset() { return 0; }
+    default float getActionsFadeStartOffset() { return 0; }
+    default float getActionsFadeEndOffset() { return 0; }
+    default float getIconFadeStartOffset() { return 0; }
+    default float getIconFadeEndOffset() { return 0; }
+    default float getInstructionsContainerFadeInStartOffset() { return 0; }
+    default float getInstructionsContainerFadeInEndOffset() { return 0; }
+    default float getInstructionsTextFadeInStartOffset() { return 0; }
+    default float getInstructionsTextFadeInEndOffset() { return 0; }
+    default float getInstructionsUnfoldStartOffset() { return 0; }
+    default float getInstructionsUnfoldEndOffset() { return 0; }
+
+    // Defaults for SplitToConfirm
+    default float getInstructionsFadeStartOffset() { return 0; }
+    default float getInstructionsFadeEndOffset() { return 0; }
+}
+
diff --git a/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java b/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java
new file mode 100644
index 0000000..2eb0941
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java
@@ -0,0 +1,45 @@
+/*
+ * 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.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+
+import android.view.animation.Interpolator;
+
+/**
+ * Timings for the OverviewSplitSelect > confirmed animation.
+ */
+public class SplitToConfirmTimings implements SplitAnimationTimings {
+    public int getThumbnailFadeToGrayStart() { return 0; }
+    public int getThumbnailFadeToGrayEnd() { return 133; }
+    public int getDockedIconFadeInStart() { return 167; }
+    public int getDockedIconFadeInEnd() { return 250; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 383; }
+    public int getInstructionsFadeStart() { return 0; }
+    public int getInstructionsFadeEnd() { return 67; }
+
+    public int getDuration() { return CONFIRM_DURATION; }
+    public Interpolator getStagedRectSlideInterpolator() { return LINEAR; }
+
+    public float getInstructionsFadeStartOffset() {
+        return (float) getInstructionsFadeStart() / getDuration();
+    }
+    public float getInstructionsFadeEndOffset() {
+        return (float) getInstructionsFadeEnd() / getDuration();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index c211d7a..1d58748 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -2,7 +2,6 @@
 
 import static com.android.launcher3.AbstractFloatingView.TYPE_TASK_MENU;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
-import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
 import static com.android.launcher3.anim.Interpolators.INSTANT;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
@@ -31,10 +30,10 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.touch.PagedOrientationHandler;
-import com.android.launcher3.uioverrides.states.SplitScreenSelectState;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.util.MultiValueUpdateListener;
+import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.util.TaskCornerRadius;
 import com.android.systemui.shared.system.QuickStepContract;
 
@@ -44,38 +43,14 @@
  * which will have the thumbnail from the provided existing TaskView overlaying the taskview itself.
  *
  * Can then animate the taskview using
- * {@link #addAnimation(PendingAnimation, RectF, Rect, boolean, boolean)}
+ * {@link #addStagingAnimation(PendingAnimation, RectF, Rect, boolean, boolean)} or
+ * {@link #addConfirmAnimation(PendingAnimation, RectF, Rect, boolean, boolean)}
  * giving a starting and ending bounds. Currently this is set to use the split placeholder view,
  * but it could be generified.
  *
  * TODO: Figure out how to copy thumbnail data from existing TaskView to this view.
  */
 public class FloatingTaskView extends FrameLayout {
-    private static final int OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_START = 0;
-    private static final int OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_END = 133;
-    private static final int OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_START = 167;
-    private static final int OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_END = 250;
-    private static final int OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START = 0;
-    private static final int OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END = 417;
-
-    private static final float OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END
-                    / SplitScreenSelectState.ENTER_DURATION;
 
     public static final FloatProperty<FloatingTaskView> PRIMARY_TRANSLATE_OFFSCREEN =
             new FloatProperty<FloatingTaskView>("floatingTaskPrimaryTranslateOffscreen") {
@@ -236,8 +211,34 @@
         layout(left, lp.topMargin, left + lp.width, lp.topMargin + lp.height);
     }
 
-    public void addAnimation(PendingAnimation animation, RectF startingBounds, Rect endBounds,
-            boolean fadeWithThumbnail, boolean isStagedTask) {
+    /**
+     * Animates a FloatingTaskThumbnailView and its overlapping SplitPlaceholderView when a split
+     * is staged.
+     */
+    public void addStagingAnimation(PendingAnimation animation, RectF startingBounds,
+            Rect endBounds, boolean fadeWithThumbnail, boolean isStagedTask) {
+        addAnimation(animation, startingBounds, endBounds, fadeWithThumbnail, isStagedTask,
+                SplitAnimationTimings.OVERVIEW_TO_SPLIT);
+    }
+
+    /**
+     * Animates the FloatingTaskThumbnailView and SplitPlaceholderView for the two thumbnails
+     * when a split is confirmed.
+     */
+    public void addConfirmAnimation(PendingAnimation animation, RectF startingBounds,
+            Rect endBounds, boolean fadeWithThumbnail, boolean isStagedTask) {
+        addAnimation(animation, startingBounds, endBounds, fadeWithThumbnail, isStagedTask,
+                SplitAnimationTimings.SPLIT_TO_CONFIRM);
+    }
+
+    /**
+     * Sets up and builds a split staging animation.
+     * Called by {@link #addStagingAnimation(PendingAnimation, RectF, Rect, boolean, boolean)} and
+     * {@link #addConfirmAnimation(PendingAnimation, RectF, Rect, boolean, boolean)}.
+     */
+    public void addAnimation(PendingAnimation animation, RectF startingBounds,
+            Rect endBounds, boolean fadeWithThumbnail, boolean isStagedTask,
+            SplitAnimationTimings timings) {
         mFullscreenParams.setIsStagedTask(isStagedTask);
         final BaseDragLayer dragLayer = mActivity.getDragLayer();
         int[] dragLayerBounds = new int[2];
@@ -251,49 +252,54 @@
         RectF floatingTaskViewBounds = new RectF();
 
         if (fadeWithThumbnail) {
-            // This code block runs when animating from Overview > OverviewSplitSelect
-            // And for the second thumbnail on confirm
+            // This code block runs for the placeholder view during Overview > OverviewSplitSelect
+            // and for the selected (secondary) thumbnail during OverviewSplitSelect > Confirmed
 
             // FloatingTaskThumbnailView: thumbnail fades out to transparent
             animation.setViewAlpha(mThumbnailView, 0, clampToProgress(LINEAR,
-                    OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_END_OFFSET));
+                    timings.getThumbnailFadeToGrayStartOffset(),
+                    timings.getThumbnailFadeToGrayEndOffset()));
 
-            // SplitPlaceholderView: gray background fades in at the same time, then new icon fades
-            // in
+            // SplitPlaceholderView: gray background fades in at same time, then new icon fades in
             animation.setViewAlpha(mSplitPlaceholderView, 1, clampToProgress(LINEAR,
-                    OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_THUMBNAIL_FADE_TO_GRAY_END_OFFSET));
+                    timings.getThumbnailFadeToGrayStartOffset(),
+                    timings.getThumbnailFadeToGrayEndOffset()));
             animation.setViewAlpha(mSplitPlaceholderView.getIconView(), 1, clampToProgress(
-                    LINEAR, OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_DOCKED_ICON_FADE_IN_END_OFFSET));
+                    LINEAR,
+                    timings.getDockedIconFadeInStartOffset(),
+                    timings.getDockedIconFadeInEndOffset()));
         } else if (isStagedTask) {
-            // This code block runs when animating from Normal > OverviewSplitSelect
-            // and for the first thumbnail on confirm
+            // This code block runs for the placeholder view during Normal > OverviewSplitSelect
+            // and for the placeholder (primary) thumbnail during OverviewSplitSelect > Confirmed
 
-            // Fade in the placeholder view when split is initiated from homescreen / all apps
+            // Fade in the placeholder view during Normal > OverviewSplitSelect
             if (mSplitPlaceholderView.getAlpha() == 0) {
                 animation.setViewAlpha(mSplitPlaceholderView, 0.3f, INSTANT);
                 animation.setViewAlpha(mSplitPlaceholderView, 1, ACCEL);
             }
+
+            // No-op for placeholder during OverviewSplitSelect > Confirmed, alpha should be set
         }
 
+
         MultiValueUpdateListener listener = new MultiValueUpdateListener() {
             // SplitPlaceholderView: rectangle translates and stretches to new position
             final FloatProp mDx = new FloatProp(0, prop.dX, 0, animDuration,
-                    clampToProgress(DEACCEL_2, OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START_OFFSET,
-                            OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END_OFFSET));
+                    clampToProgress(timings.getStagedRectSlideInterpolator(),
+                            timings.getStagedRectSlideStartOffset(),
+                            timings.getStagedRectSlideEndOffset()));
             final FloatProp mDy = new FloatProp(0, prop.dY, 0, animDuration,
-                    clampToProgress(DEACCEL_2, OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START_OFFSET,
-                            OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END_OFFSET));
+                    clampToProgress(timings.getStagedRectSlideInterpolator(),
+                            timings.getStagedRectSlideStartOffset(),
+                            timings.getStagedRectSlideEndOffset()));
             final FloatProp mTaskViewScaleX = new FloatProp(1f, prop.finalTaskViewScaleX, 0,
-                    animDuration, clampToProgress(DEACCEL_2,
-                    OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END_OFFSET));
+                    animDuration, clampToProgress(timings.getStagedRectSlideInterpolator(),
+                    timings.getStagedRectSlideStartOffset(),
+                    timings.getStagedRectSlideEndOffset()));
             final FloatProp mTaskViewScaleY = new FloatProp(1f, prop.finalTaskViewScaleY, 0,
-                    animDuration, clampToProgress(DEACCEL_2,
-                    OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_STAGED_RECT_SLIDE_END_OFFSET));
+                    animDuration, clampToProgress(timings.getStagedRectSlideInterpolator(),
+                    timings.getStagedRectSlideStartOffset(),
+                    timings.getStagedRectSlideEndOffset()));
             @Override
             public void onUpdate(float percent, boolean initOnly) {
                 // Calculate the icon position.
@@ -305,6 +311,7 @@
                 update(floatingTaskViewBounds, percent);
             }
         };
+
         transitionAnimator.addUpdateListener(listener);
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 8da08b4..3f2681c 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -39,7 +39,7 @@
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
 import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_0_85;
+import static com.android.launcher3.anim.Interpolators.OVERSHOOT_0_75;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_CLEAR_ALL;
@@ -140,7 +140,6 @@
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.touch.OverScroll;
 import com.android.launcher3.touch.PagedOrientationHandler;
-import com.android.launcher3.uioverrides.states.SplitScreenSelectState;
 import com.android.launcher3.util.DynamicResource;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
@@ -173,6 +172,7 @@
 import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RecentsOrientedState;
+import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.util.SplitScreenBounds;
 import com.android.quickstep.util.SplitSelectStateController;
 import com.android.quickstep.util.SurfaceTransaction;
@@ -417,54 +417,6 @@
     private static final float ANIMATION_DISMISS_PROGRESS_MIDPOINT = 0.5f;
     private static final float END_DISMISS_TRANSLATION_INTERPOLATION_OFFSET = 0.75f;
 
-    private static final int OVERVIEW_TO_SPLIT_THUMBNAIL_SLIDE_START = 67;
-    private static final int OVERVIEW_TO_SPLIT_THUMBNAIL_SLIDE_OFFSET = 16;
-    private static final int SPRING_DISMISS_TRANSLATION_DURATION = 500;
-
-    private static final float INITIAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_THUMBNAIL_SLIDE_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float ADDITIONAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_THUMBNAIL_SLIDE_OFFSET
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float END_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET =
-            (float) SPRING_DISMISS_TRANSLATION_DURATION
-                    / SplitScreenSelectState.ENTER_DURATION;
-
-    private static final int OVERVIEW_TO_SPLIT_ICON_FADE_START = 0;
-    private static final int OVERVIEW_TO_SPLIT_ICON_FADE_END = 83;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_START = 167;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_END = 250;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_START = 217;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_END = 300;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_START = 167;
-    private static final int OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_END = 500;
-
-    private static final float OVERVIEW_TO_SPLIT_ICON_FADE_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_ICON_FADE_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_ICON_FADE_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_ICON_FADE_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_START_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_START
-                    / SplitScreenSelectState.ENTER_DURATION;
-    private static final float OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_END_OFFSET =
-            (float) OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_END
-                    / SplitScreenSelectState.ENTER_DURATION;
-
     private static final float SIGNIFICANT_MOVE_SCREEN_WIDTH_PERCENTAGE = 0.15f;
 
     protected final RecentsOrientedState mOrientationState;
@@ -2856,27 +2808,28 @@
         mOrientationHandler.getInitialSplitPlaceholderBounds(mSplitPlaceholderSize,
                 mSplitPlaceholderInset, mActivity.getDeviceProfile(),
                 mSplitSelectStateController.getActiveSplitStagePosition(), mTempRect);
+        SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
 
         RectF startingTaskRect = new RectF();
         if (mSplitHiddenTaskView != null) {
             // Split staging is initiated
             mSplitHiddenTaskView.setThumbnailVisibility(INVISIBLE);
             anim.setViewAlpha(mSplitHiddenTaskView.getIconView(), 0, clampToProgress(LINEAR,
-                    OVERVIEW_TO_SPLIT_ICON_FADE_START_OFFSET,
-                    OVERVIEW_TO_SPLIT_ICON_FADE_END_OFFSET));
+                    timings.getIconFadeStartOffset(),
+                    timings.getIconFadeEndOffset()));
             mFirstFloatingTaskView = FloatingTaskView.getFloatingTaskView(mActivity,
                     mSplitHiddenTaskView.getThumbnail(),
                     mSplitHiddenTaskView.getThumbnail().getThumbnail(),
                     mSplitHiddenTaskView.getIconView().getDrawable(), startingTaskRect);
             mFirstFloatingTaskView.setAlpha(1);
-            mFirstFloatingTaskView.addAnimation(anim, startingTaskRect, mTempRect,
+            mFirstFloatingTaskView.addStagingAnimation(anim, startingTaskRect, mTempRect,
                     true /* fadeWithThumbnail */, true /* isStagedTask */);
         } else {
             mFirstFloatingTaskView = FloatingTaskView.getFloatingTaskView(mActivity,
                     mSplitSelectSource.view, null /* thumbnail */,
                     mSplitSelectSource.drawable, startingTaskRect);
             mFirstFloatingTaskView.setAlpha(1);
-            mFirstFloatingTaskView.addAnimation(anim, startingTaskRect, mTempRect,
+            mFirstFloatingTaskView.addStagingAnimation(anim, startingTaskRect, mTempRect,
                     false /* fadeWithThumbnail */, true /* isStagedTask */);
         }
 
@@ -2884,15 +2837,15 @@
         mSplitInstructionsView = SplitInstructionsView.getSplitInstructionsView(mActivity);
         mSplitInstructionsView.setAlpha(0);
         anim.setViewAlpha(mSplitInstructionsView, 1, clampToProgress(LINEAR,
-                OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_START_OFFSET,
-                OVERVIEW_TO_SPLIT_INSTRUCTIONS_CONTAINER_FADE_IN_END_OFFSET));
+                timings.getInstructionsContainerFadeInStartOffset(),
+                timings.getInstructionsContainerFadeInEndOffset()));
         anim.setViewAlpha(mSplitInstructionsView.getTextView(), 1, clampToProgress(LINEAR,
-                OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_START_OFFSET,
-                OVERVIEW_TO_SPLIT_INSTRUCTIONS_TEXT_FADE_IN_END_OFFSET));
+                timings.getInstructionsTextFadeInStartOffset(),
+                timings.getInstructionsTextFadeInEndOffset()));
         anim.addFloat(mSplitInstructionsView, mSplitInstructionsView.UNFOLD, 0.1f, 1,
                 clampToProgress(EMPHASIZED_DECELERATE,
-                        OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_START_OFFSET,
-                        OVERVIEW_TO_SPLIT_INSTRUCTIONS_UNFOLD_END_OFFSET));
+                        timings.getInstructionsUnfoldStartOffset(),
+                        timings.getInstructionsUnfoldEndOffset()));
 
         InteractionJankMonitorWrapper.begin(this,
                 InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER, "First tile selected");
@@ -3181,24 +3134,26 @@
                         : distanceFromDismissedTask;
                 // Set timings based on if user is initiating splitscreen on the focused task,
                 // or splitting/dismissing some other task.
+                SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
                 float animationStartProgress = isStagingFocusedTask
                         ? Utilities.boundToRange(
-                                INITIAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                        + ADDITIONAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                        * staggerColumn, 0f, dismissTranslationInterpolationEnd)
+                                timings.getGridSlideStartOffset()
+                                        + (timings.getGridSlideStaggerOffset() * staggerColumn),
+                        0f,
+                        dismissTranslationInterpolationEnd)
                         : Utilities.boundToRange(
                                 INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
                                         + ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
                                         * staggerColumn, 0f, dismissTranslationInterpolationEnd);
                 float animationEndProgress = isStagingFocusedTask
                         ? Utilities.boundToRange(
-                                INITIAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                        + END_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                        + ADDITIONAL_SPRING_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                        * staggerColumn,
-                        0f, dismissTranslationInterpolationEnd)
+                                timings.getGridSlideStartOffset()
+                                        + (timings.getGridSlideStaggerOffset() * staggerColumn)
+                                        + timings.getGridSlideDurationOffset(),
+                        0f,
+                        dismissTranslationInterpolationEnd)
                         : dismissTranslationInterpolationEnd;
-                Interpolator dismissInterpolator = isStagingFocusedTask ? OVERSHOOT_0_85 : LINEAR;
+                Interpolator dismissInterpolator = isStagingFocusedTask ? OVERSHOOT_0_75 : LINEAR;
 
                 if (taskView == nextFocusedTaskView) {
                     // Enlarge the task to be focused next, and translate into focus position.
@@ -4214,9 +4169,9 @@
         // TODO(194414938) starting bounds seem slightly off, investigate
         Rect firstTaskStartingBounds = new Rect();
         Rect firstTaskEndingBounds = mTempRect;
-        int duration = mActivity.getStateManager().getState().getTransitionDuration(mActivity,
-                false /* isToState */);
-        PendingAnimation pendingAnimation = new PendingAnimation(duration);
+        PendingAnimation pendingAnimation =
+                new PendingAnimation(SplitAnimationTimings.CONFIRM_DURATION);
+        SplitAnimationTimings timings = SplitAnimationTimings.SPLIT_TO_CONFIRM;
 
         int halfDividerSize = getResources()
                 .getDimensionPixelSize(R.dimen.multi_window_task_divider_size) / 2;
@@ -4226,7 +4181,7 @@
                 secondTaskEndingBounds);
 
         mFirstFloatingTaskView.getBoundsOnScreen(firstTaskStartingBounds);
-        mFirstFloatingTaskView.addAnimation(pendingAnimation,
+        mFirstFloatingTaskView.addConfirmAnimation(pendingAnimation,
                 new RectF(firstTaskStartingBounds), firstTaskEndingBounds,
                 false /* fadeWithThumbnail */, true /* isStagedTask */);
 
@@ -4234,8 +4189,13 @@
                 thumbnailView, thumbnailView.getThumbnail(),
                 iconView.getDrawable(), secondTaskStartingBounds);
         mSecondFloatingTaskView.setAlpha(1);
-        mSecondFloatingTaskView.addAnimation(pendingAnimation, secondTaskStartingBounds,
+        mSecondFloatingTaskView.addConfirmAnimation(pendingAnimation, secondTaskStartingBounds,
                 secondTaskEndingBounds, true /* fadeWithThumbnail */, false /* isStagedTask */);
+
+        pendingAnimation.setViewAlpha(mSplitInstructionsView, 0, clampToProgress(LINEAR,
+                timings.getInstructionsFadeStartOffset(),
+                timings.getInstructionsFadeEndOffset()));
+
         pendingAnimation.addEndListener(aBoolean -> {
             mSplitSelectStateController.launchSplitTasks(
                     aBoolean1 -> RecentsView.this.resetFromSplitSelectionState());
diff --git a/src/com/android/launcher3/anim/Interpolators.java b/src/com/android/launcher3/anim/Interpolators.java
index d900c90..b55a1e4 100644
--- a/src/com/android/launcher3/anim/Interpolators.java
+++ b/src/com/android/launcher3/anim/Interpolators.java
@@ -83,7 +83,7 @@
         EXAGGERATED_EASE = new PathInterpolator(exaggeratedEase);
     }
 
-    public static final Interpolator OVERSHOOT_0_85 = new OvershootInterpolator(0.85f);
+    public static final Interpolator OVERSHOOT_0_75 = new OvershootInterpolator(0.75f);
     public static final Interpolator OVERSHOOT_1_2 = new OvershootInterpolator(1.2f);
     public static final Interpolator OVERSHOOT_1_7 = new OvershootInterpolator(1.7f);