commit 0eefc8530e0d53e456f2926d5161410835e44e17
author Kevin <kevhan@google.com> Mon Apr 22 13:11:28 2019 -0700
committer Kevin Han <kevhan@google.com> Tue Apr 23 19:28:17 2019 +0000
tree e5068d77eb6dfc8e521799f4eaa7737120cca1ad
parent 072dcc3aeb6489501d464609d31145a730edba08

Clear all button should not be swipable

Unlike other task items in the recycler view, the clear all button
should not be swipable as you obviously can't remove the button.

Bug: 114136250
Test: Go to recents, attempt to swipe clear all, does not work
Change-Id: I0ab00c03b697f2174431b69bbf758c3ff104db97
(cherry picked from commit cd88cf8d1c37c65e55f98e7003151663ceeebf0a)

go/quickstep/src/com/android/quickstep/TaskAdapter.java

diff --git a/go/quickstep/src/com/android/quickstep/TaskAdapter.java b/go/quickstep/src/com/android/quickstep/TaskAdapter.java
index 8651698..6f75629 100644
--- a/go/quickstep/src/com/android/quickstep/TaskAdapter.java
+++ b/go/quickstep/src/com/android/quickstep/TaskAdapter.java
@@ -43,9 +43,10 @@
     public static final int MAX_TASKS_TO_DISPLAY = 6;
     public static final int TASKS_START_POSITION = 1;
 
+    public static final int ITEM_TYPE_TASK = 0;
+    public static final int ITEM_TYPE_CLEAR_ALL = 1;
+
     private static final String TAG = "TaskAdapter";
-    private static final int ITEM_TYPE_TASK = 0;
-    private static final int ITEM_TYPE_CLEAR_ALL = 1;
     private final TaskListLoader mLoader;
     private TaskActionController mTaskActionController;
     private OnClickListener mClearAllListener;

go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java

diff --git a/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java b/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java
index 98407d8..19951bb 100644
--- a/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java
+++ b/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java
@@ -17,6 +17,9 @@
 
 import static androidx.recyclerview.widget.ItemTouchHelper.RIGHT;
 
+import static com.android.quickstep.TaskAdapter.ITEM_TYPE_CLEAR_ALL;
+
+import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.RecyclerView.ViewHolder;
@@ -45,4 +48,14 @@
             mTaskActionController.removeTask((TaskHolder) viewHolder);
         }
     }
+
+    @Override
+    public int getSwipeDirs(@NonNull RecyclerView recyclerView,
+            @NonNull ViewHolder viewHolder) {
+        if (viewHolder.getItemViewType() == ITEM_TYPE_CLEAR_ALL) {
+            // Clear all button should not be swipable.
+            return 0;
+        }
+        return super.getSwipeDirs(recyclerView, viewHolder);
+    }
 }