Route PredictedAppIcon clicks through launcher

* This allows us to intercept launching predicted apps for
split-screen if user is in split selection flow
* Defaults to existing behavior of ItemClickHandler.INSTANCE
if we do not need to intercept the click

Bug: 276361926
Flag: ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE
Test: Launches as expected when not in split, launches in
split when selected as second app to initiate split with

Change-Id: Ieb45137ae89da340d314e995f4f6eb1f8b49a42f

quickstep/src/com/android/launcher3/uioverrides/PredictedAppIcon.java

@@ -402,8 +402,9 @@ public class PredictedAppIcon extends DoubleShadowBubbleTextView {
         PredictedAppIcon icon = (PredictedAppIcon) LayoutInflater.from(parent.getContext())
                 .inflate(R.layout.predicted_app_icon, parent, false);
         icon.applyFromWorkspaceItem(info);
-        icon.setOnClickListener(ItemClickHandler.INSTANCE);
-        icon.setOnFocusChangeListener(Launcher.getLauncher(parent.getContext()).getFocusHandler());
+        Launcher launcher = Launcher.getLauncher(parent.getContext());
+        icon.setOnClickListener(launcher.getItemOnClickListener());
+        icon.setOnFocusChangeListener(launcher.getFocusHandler());
         return icon;
     }
 

src/com/android/launcher3/folder/FolderIcon.java

@@ -205,7 +205,7 @@ public class FolderIcon extends FrameLayout implements FolderListener, IconLabel
         lp.topMargin = grid.iconSizePx + grid.iconDrawablePaddingPx;
 
         icon.setTag(folderInfo);
-        icon.setOnClickListener(ItemClickHandler.INSTANCE);
+        icon.setOnClickListener(activity.getItemOnClickListener());
         icon.mInfo = folderInfo;
         icon.mActivity = activity;
         icon.mDotRenderer = grid.mDotRendererWorkSpace;

src/com/android/launcher3/folder/FolderPagedView.java

@@ -216,7 +216,7 @@ public class FolderPagedView extends PagedView<PageIndicatorDots> implements Cli
         final BubbleTextView textView = mViewCache.getView(
                 R.layout.folder_application, getContext(), null);
         textView.applyFromWorkspaceItem(item);
-        textView.setOnClickListener(ItemClickHandler.INSTANCE);
+        textView.setOnClickListener(mFolder.mActivityContext.getItemOnClickListener());
         textView.setOnLongClickListener(mFolder);
         textView.setOnFocusChangeListener(mFocusIndicatorHelper);
         CellLayoutLayoutParams lp = (CellLayoutLayoutParams) textView.getLayoutParams();

src/com/android/launcher3/widget/PendingAppWidgetHostView.java

@@ -86,7 +86,7 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView
         setWillNotDraw(false);
 
         super.updateAppWidget(null);
-        setOnClickListener(ItemClickHandler.INSTANCE);
+        setOnClickListener(mLauncher.getItemOnClickListener());
 
         if (info.pendingItemInfo == null) {
             info.pendingItemInfo = new PackageItemInfo(info.providerName.getPackageName(),