From 26867ae4d6ffebf9538ec468f4b46736b9e0f3be Mon Sep 17 00:00:00 2001
From: mattsziklay <mattsziklay@google.com>
Date: Wed, 24 Aug 2022 12:06:09 -0700
Subject: [PATCH] Disable dragging on fullscreen tasks.

This CL prevents dragging fullscreen tasks via caption.

Bug: 243683959
Test: Attempt to drag a fullscreen task, ensure dragging non-maximized
captions is unaffected.

Change-Id: I297f2e8b6d69aba29061ae008d9d51df03ae134c
---
 .../wm/shell/windowdecor/CaptionWindowDecorViewModel.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
index e7695926d2446..ad539568e3eba 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
@@ -199,6 +199,10 @@ public class CaptionWindowDecorViewModel implements WindowDecorViewModel<Caption
         }
 
         private void handleEventForMove(MotionEvent e) {
+            if (mTaskOrganizer.getRunningTaskInfo(mTaskId).getWindowingMode()
+                    == WINDOWING_MODE_FULLSCREEN) {
+                return;
+            }
             switch (e.getActionMasked()) {
                 case MotionEvent.ACTION_DOWN:
                     mDragPointerId  = e.getPointerId(0);