Create the RemoteTargetGluer based on the GroupedTaskInfo

Determine whether a `RemoteTargetGluer` for desktop should be
created based on GroupedTaskInfo instead of
`RecentsAnimationTargets.hasDesktopTasks`. The latter one is
inaccurate to assume that a desk may only have FREEFORM tasks.

Bug: 400866688
Flag: com.android.window.flags.enable_multiple_desktops_frontend
Flag: com.android.window.flags.enable_multiple_desktops_backend
Test: m
Change-Id: I6f35f41204790ada59317e0b4bd0a8965c9718eb

quickstep/src/com/android/quickstep/RecentsAnimationTargets.java

@@ -55,14 +55,11 @@ public class RecentsAnimationTargets extends RemoteAnimationTargets {
      *
      * @return {@code true} if at least one target app is a desktop task
      */
+    // TODO: b/362720309 - Remove this function once multi-desks is fully launched.
     public boolean hasDesktopTasks(Context context) {
         if (!DesktopModeStatus.canEnterDesktopMode(context)) {
             return false;
         }
-        // TODO: b/400866688 - Check if we need to update this such that for an empty desk, we
-        //  receive a list of apps that contain only the Launcher and the `DesktopWallpaperActivity`
-        //  and both are fullscreen windowing mode. A desk can also have transparent modals and
-        //  immersive apps which may not have a "freeform" windowing mode.
         for (RemoteAnimationTarget target : apps) {
             if (target.windowConfiguration.getWindowingMode() == WINDOWING_MODE_FREEFORM) {
                 return true;

quickstep/src/com/android/quickstep/RemoteTargetGluer.java

@@ -69,8 +69,6 @@ public class RemoteTargetGluer {
      */
     public RemoteTargetGluer(Context context, BaseContainerInterface sizingStrategy,
             @Nullable GroupedTaskInfo groupedTaskInfo) {
-        // TODO: b/403344864 Make sure init with correct number of RemoteTargetHandle with
-        //  multi-desks feature enabled as well.
         if (enableMultipleDesktops(context)) {
             if (groupedTaskInfo != null && groupedTaskInfo.isBaseType(GroupedTaskInfo.TYPE_DESK)) {
                 // Allocate +1 to account for the DesktopWallpaperActivity added to the desk.

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -5925,7 +5925,6 @@ public abstract class RecentsView<
         return mRemoteTargetHandles;
     }
 
-    // TODO: To be removed in a follow up CL
     public void setRecentsAnimationTargets(RecentsAnimationController recentsAnimationController,
             RecentsAnimationTargets recentsAnimationTargets) {
         Log.d(TAG, "setRecentsAnimationTargets "
@@ -5937,15 +5936,19 @@ public abstract class RecentsView<
             return;
         }
 
-        RemoteTargetGluer gluer;
-        if (recentsAnimationTargets.hasDesktopTasks(mContext)) {
-            gluer = new RemoteTargetGluer(getContext(), getContainerInterface(),
-                    recentsAnimationTargets, true /* forDesktop */);
-            mRemoteTargetHandles = gluer.assignTargetsForDesktop(
-                    recentsAnimationTargets, /* transitionInfo= */ null);
+        boolean forDesktop;
+        if (DesktopModeStatus.enableMultipleDesktops(getContext())) {
+            forDesktop = mActiveGestureGroupedTaskInfo != null
+                    && mActiveGestureGroupedTaskInfo.isBaseType(GroupedTaskInfo.TYPE_DESK);
+        } else {
+            forDesktop = recentsAnimationTargets.hasDesktopTasks(mContext);
+        }
+        RemoteTargetGluer gluer = new RemoteTargetGluer(getContext(), getContainerInterface(),
+                recentsAnimationTargets, forDesktop);
+        if (forDesktop) {
+            mRemoteTargetHandles = gluer.assignTargetsForDesktop(
+                    recentsAnimationTargets, /* transitionInfo = */ null);
         } else {
-            gluer = new RemoteTargetGluer(getContext(), getContainerInterface(),
-                    recentsAnimationTargets, false);
             mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(recentsAnimationTargets);
         }
         mSplitBoundsConfig = gluer.getSplitBounds();