Implement transition for docking task in recents #2
- Put window into resizing mode when docking it from recents,
so it fills the "void".
- Send whole task bitmap window as the thumbnail, to make
the transition smoother.
Bug: 27607141
Change-Id: Ib647d44d9777f1155deab818d1fd5425c1bdd3d1
diff --git a/services/core/java/com/android/server/wm/DragResizeMode.java b/services/core/java/com/android/server/wm/DragResizeMode.java
new file mode 100644
index 0000000..08acf9d
--- /dev/null
+++ b/services/core/java/com/android/server/wm/DragResizeMode.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016 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
+ */
+
+package com.android.server.wm;
+
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.HOME_STACK_ID;
+
+/**
+ * Describes the mode in which a window is drag resizing.
+ */
+class DragResizeMode {
+
+ /**
+ * Freeform mode: Client surface is fullscreen, and client is responsible to draw window at
+ * the correct position.
+ */
+ static final int DRAG_RESIZE_MODE_FREEFORM = 0;
+
+ /**
+ * Mode for resizing the docked (and adjacent) stack: Client surface is fullscreen, but window
+ * is drawn at (0, 0), window manager is responsible for positioning the surface when draging.
+ */
+ static final int DRAG_RESIZE_MODE_DOCKED_DIVIDER = 1;
+
+ static boolean isModeAllowedForStack(int stackId, int mode) {
+ switch (mode) {
+ case DRAG_RESIZE_MODE_FREEFORM:
+ return stackId == FREEFORM_WORKSPACE_STACK_ID;
+ case DRAG_RESIZE_MODE_DOCKED_DIVIDER:
+ return stackId == DOCKED_STACK_ID
+ || stackId == FULLSCREEN_WORKSPACE_STACK_ID
+ || stackId == HOME_STACK_ID;
+ default:
+ return false;
+ }
+ }
+}