Converting widget panel into a floating view

> The widget panel is only inflated when needed
> Using the swipe up/down interaction for widgets tray
> Removing additional view wrappers from all-apps
> Widget tray is preserved across activity recreation
> Launcher no longer has WIDGET state, the actual code around
  the states will be removed in a follow-up cl

Bug: 67678570
Bug: 67585158
Change-Id: Ia29a7c33ec81e6c53cc24e2906b7022b6f41755b

1 files changed, 64 insertions, 0 deletions

diff --git a/res/layout/widgets_full_sheet.xml b/res/layout/widgets_full_sheet.xml
new file mode 100644
index 000000000..153529968
--- /dev/null
+++ b/res/layout/widgets_full_sheet.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<com.android.launcher3.widget.WidgetsFullSheet
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:theme="?attr/widgetsTheme" >
+
+    <com.android.launcher3.graphics.GradientView
+        android:id="@+id/gradient_bg"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <FrameLayout
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="?android:attr/colorPrimary"
+        android:elevation="4dp">
+
+        <com.android.launcher3.widget.WidgetsRecyclerView
+            android:id="@+id/widgets_list_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clipToPadding="false"
+            />
+
+        <!-- Fast scroller popup -->
+        <TextView
+            android:id="@+id/fast_scroller_popup"
+            style="@style/FastScrollerPopup"
+            android:layout_gravity="top|end"
+            android:layout_marginEnd="@dimen/fastscroll_popup_margin" />
+
+        <com.android.launcher3.views.RecyclerViewFastScroller
+            android:id="@+id/fast_scroller"
+            android:layout_width="@dimen/fastscroll_width"
+            android:layout_height="match_parent"
+            android:layout_gravity="end"
+            android:layout_marginEnd="@dimen/fastscroll_end_margin" />
+
+        <View
+            android:id="@+id/nav_bar_bg"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_gravity="bottom"
+            android:background="?attr/allAppsNavBarScrimColor"
+            android:focusable="false"  />
+    </FrameLayout>
+</com.android.launcher3.widget.WidgetsFullSheet>
\ No newline at end of file