Animate split confirmation after second app selection from workspace

Fixes: 239824922
Test: https://recall.googleplex.com/projects/f46cfe9c-8076-4efe-bf8a-b1cc4f1f5e1b/sessions/099acb31-1e05-4d00-a670-590c177a846e
Change-Id: Ifb769afcaf694a1157444f273da69331db15ab1a

quickstep/src/com/android/launcher3/popup/QuickstepSystemShortcut.java

@@ -19,6 +19,8 @@ import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSP
 import static com.android.launcher3.util.SplitConfigurationOptions.getLogEventForPosition;
 import static com.android.quickstep.util.SplitAnimationTimings.TABLET_HOME_TO_SPLIT;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
@@ -115,13 +117,19 @@ public interface QuickstepSystemShortcut {
 
             PendingAnimation anim = new PendingAnimation(TABLET_HOME_TO_SPLIT.getDuration());
             RectF startingTaskRect = new RectF();
-            FloatingTaskView floatingTaskView = FloatingTaskView.getFloatingTaskView(mTarget,
-                    source.view, null /* thumbnail */,
-                    source.drawable, startingTaskRect);
+            final FloatingTaskView floatingTaskView = FloatingTaskView.getFloatingTaskView(mTarget,
+                    source.view, null /* thumbnail */, source.drawable, startingTaskRect);
             floatingTaskView.setAlpha(1);
             floatingTaskView.addStagingAnimation(anim, startingTaskRect, mTempRect,
                     false /* fadeWithThumbnail */, true /* isStagedTask */);
             controller.setFirstFloatingTaskView(floatingTaskView);
+            anim.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationCancel(Animator animation) {
+                    mTarget.getDragLayer().removeView(floatingTaskView);
+                    controller.resetState();
+                }
+            });
             anim.buildAnim().start();
         }
     }

quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java

@@ -342,6 +342,10 @@ public class StatsLogCompatManager extends StatsLogManager {
                 return;
             }
 
+            if (mItemInfo == null) {
+                return;
+            }
+
             if (mItemInfo.container < 0 || appState == null) {
                 // Write log on the model thread so that logs do not go out of order
                 // (for eg: drop comes after drag)

quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java

@@ -19,21 +19,39 @@ package com.android.quickstep.util;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.content.Intent;
+import android.graphics.Rect;
+import android.graphics.RectF;
 import android.view.View;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.quickstep.views.FloatingTaskView;
+import com.android.quickstep.views.RecentsView;
+import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 
 /** Handles when the stage split lands on the home screen. */
 public class SplitToWorkspaceController {
 
     private final Launcher mLauncher;
+    private final DeviceProfile mDP;
     private final SplitSelectStateController mController;
 
+    private final int mHalfDividerSize;
+
     public SplitToWorkspaceController(Launcher launcher, SplitSelectStateController controller) {
         mLauncher = launcher;
+        mDP = mLauncher.getDeviceProfile();
         mController = controller;
+
+        mHalfDividerSize = mLauncher.getResources().getDimensionPixelSize(
+                R.dimen.multi_window_task_divider_size) / 2;
     }
 
     /**
@@ -48,19 +66,74 @@ public class SplitToWorkspaceController {
         }
         Object tag = view.getTag();
         Intent intent;
+        BitmapInfo bitmapInfo;
         if (tag instanceof WorkspaceItemInfo) {
             final WorkspaceItemInfo workspaceItemInfo = (WorkspaceItemInfo) tag;
             intent = workspaceItemInfo.intent;
+            bitmapInfo = workspaceItemInfo.bitmap;
         } else if (tag instanceof com.android.launcher3.model.data.AppInfo) {
             final com.android.launcher3.model.data.AppInfo appInfo =
                     (com.android.launcher3.model.data.AppInfo) tag;
             intent = appInfo.intent;
+            bitmapInfo = appInfo.bitmap;
         } else {
             return false;
         }
+
         mController.setSecondTask(intent);
-        mController.launchSplitTasks(aBoolean -> mLauncher.getDragLayer().removeView(
-                mController.getFirstFloatingTaskView()));
+
+        boolean isTablet = mLauncher.getDeviceProfile().isTablet;
+        SplitAnimationTimings timings = AnimUtils.getDeviceSplitToConfirmTimings(isTablet);
+        PendingAnimation pendingAnimation = new PendingAnimation(timings.getDuration());
+
+        Rect firstTaskStartingBounds = new Rect();
+        Rect firstTaskEndingBounds = new Rect();
+        RectF secondTaskStartingBounds = new RectF();
+        Rect secondTaskEndingBounds = new Rect();
+
+        RecentsView recentsView = mLauncher.getOverviewPanel();
+        recentsView.getPagedOrientationHandler().getFinalSplitPlaceholderBounds(mHalfDividerSize,
+                mDP, mController.getActiveSplitStagePosition(), firstTaskEndingBounds,
+                secondTaskEndingBounds);
+
+        FloatingTaskView firstFloatingTaskView = mController.getFirstFloatingTaskView();
+        firstFloatingTaskView.getBoundsOnScreen(firstTaskStartingBounds);
+        firstFloatingTaskView.addConfirmAnimation(pendingAnimation,
+                new RectF(firstTaskStartingBounds), firstTaskEndingBounds,
+                false /* fadeWithThumbnail */, true /* isStagedTask */);
+
+        FloatingTaskView secondFloatingTaskView = FloatingTaskView.getFloatingTaskView(mLauncher,
+                view, null /* thumbnail */, bitmapInfo.newIcon(mLauncher),
+                secondTaskStartingBounds);
+        secondFloatingTaskView.setAlpha(1);
+        secondFloatingTaskView.addConfirmAnimation(pendingAnimation, secondTaskStartingBounds,
+                secondTaskEndingBounds, true /* fadeWithThumbnail */, false /* isStagedTask */);
+
+        pendingAnimation.addListener(new AnimatorListenerAdapter() {
+            private boolean mIsCancelled = false;
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mIsCancelled = true;
+                cleanUp();
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (!mIsCancelled) {
+                    mController.launchSplitTasks(aBoolean -> cleanUp());
+                    InteractionJankMonitorWrapper.end(
+                            InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER);
+                }
+            }
+
+            private void cleanUp() {
+                mLauncher.getDragLayer().removeView(firstFloatingTaskView);
+                mLauncher.getDragLayer().removeView(secondFloatingTaskView);
+                mController.resetState();
+            }
+        });
+        pendingAnimation.buildAnim().start();
         return true;
     }
 }