Simplify GlobalActionsFlatLayout and fix dismiss

Add a touch handler to the ScrollView container to catch touches
outside of the power, wallet, and controls UIs.

Adjust MultiListLayout and GloblActionsLayout to allow a very
simple row-based layout for the new power menu design, instead
of having to use ListGridLayout.

Extract the AirplaneMode action into its own class, instead of
defining it inline.

Bump emergency to the top of the list of global actions to
ensure it's top-priority and positioned correctly for global
actions layouts without a separated view.

Fixes: 149299063

Test: Manual. Enable quick controls -- tapping beneath the controls
area should dismiss the GlobalActionsDialog. Dismissing should
still work in either the grid (no Controls) or column (no wallet
or controls) layouts. Tapping actions, swiping cards in Quick
Access Wallet, and interacting with control items should still
work as expected.

Change-Id: Iad32045837edb0be6c9f36ec5d663483bda6f5de
diff --git a/packages/SystemUI/res/layout/global_actions_grid_v2.xml b/packages/SystemUI/res/layout/global_actions_grid_v2.xml
index f90012d..4fe21e5 100644
--- a/packages/SystemUI/res/layout/global_actions_grid_v2.xml
+++ b/packages/SystemUI/res/layout/global_actions_grid_v2.xml
@@ -2,15 +2,17 @@
 <ScrollView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/global_actions_container"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
   <androidx.constraintlayout.widget.ConstraintLayout
       android:id="@+id/global_actions_grid_root"
       android:layout_width="match_parent"
-      android:layout_height="wrap_content"
+      android:layout_height="match_parent"
       android:clipChildren="false"
       android:clipToPadding="false"
+      android:paddingBottom="@dimen/global_actions_grid_container_shadow_offset"
       android:layout_marginBottom="@dimen/global_actions_grid_container_negative_shadow_offset">
 
     <com.android.systemui.globalactions.GlobalActionsFlatLayout
@@ -25,65 +27,20 @@
         android:gravity="top | center_horizontal"
         android:clipChildren="false"
         android:clipToPadding="false"
-        android:paddingBottom="@dimen/global_actions_grid_container_shadow_offset"
-        android:layout_marginTop="@dimen/global_actions_top_margin"
-        android:layout_marginBottom="@dimen/global_actions_grid_container_negative_shadow_offset">
+        android:layout_marginTop="@dimen/global_actions_top_margin">
       <LinearLayout
-          android:layout_height="wrap_content"
+          android:id="@android:id/list"
           android:layout_width="wrap_content"
-          android:layoutDirection="ltr"
-          android:clipChildren="false"
-          android:clipToPadding="false"
-          android:layout_marginBottom="@dimen/global_actions_grid_container_bottom_margin">
-        <!-- For separated items-->
-        <LinearLayout
-            android:id="@+id/separated_button"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_marginLeft="@dimen/global_actions_grid_side_margin"
-            android:layout_marginRight="@dimen/global_actions_grid_side_margin"
-            android:paddingLeft="@dimen/global_actions_grid_horizontal_padding"
-            android:paddingRight="@dimen/global_actions_grid_horizontal_padding"
-            android:paddingTop="@dimen/global_actions_grid_vertical_padding"
-            android:paddingBottom="@dimen/global_actions_grid_vertical_padding"
-            android:orientation="vertical"
-            android:gravity="center"
-            android:translationZ="@dimen/global_actions_translate"
-            />
-        <!-- Grid of action items -->
-        <com.android.systemui.globalactions.ListGridLayout
-            android:id="@android:id/list"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:gravity="right"
-            android:layout_marginRight="@dimen/global_actions_grid_side_margin"
-            android:translationZ="@dimen/global_actions_translate"
-            android:paddingLeft="@dimen/global_actions_grid_horizontal_padding"
-            android:paddingRight="@dimen/global_actions_grid_horizontal_padding"
-            android:paddingTop="@dimen/global_actions_grid_vertical_padding"
-            android:paddingBottom="@dimen/global_actions_grid_vertical_padding"
-            >
-          <LinearLayout
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:visibility="gone"
-              android:layoutDirection="locale"
-              />
-          <LinearLayout
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:visibility="gone"
-              android:layoutDirection="locale"
-              />
-          <LinearLayout
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:visibility="gone"
-              android:layoutDirection="locale"
-              />
-        </com.android.systemui.globalactions.ListGridLayout>
-      </LinearLayout>
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="@dimen/global_actions_grid_side_margin"
+          android:layout_marginRight="@dimen/global_actions_grid_side_margin"
+          android:paddingLeft="@dimen/global_actions_grid_horizontal_padding"
+          android:paddingRight="@dimen/global_actions_grid_horizontal_padding"
+          android:paddingTop="@dimen/global_actions_grid_vertical_padding"
+          android:paddingBottom="@dimen/global_actions_grid_vertical_padding"
+          android:orientation="horizontal"
+          android:gravity="left"
+          android:translationZ="@dimen/global_actions_translate" />
     </com.android.systemui.globalactions.GlobalActionsFlatLayout>
 
     <LinearLayout
@@ -110,8 +67,7 @@
         android:layout_marginLeft="@dimen/global_actions_grid_horizontal_padding"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/global_actions_panel">
-
-    </LinearLayout>
+        app:layout_constraintTop_toBottomOf="@id/global_actions_panel"
+        app:layout_constraintBottom_toBottomOf="parent" />
   </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>