commit 3797c22ea16e932329ebffdc7e7ce09f9ecd9545
author Wale Ogunwale <ogunwale@google.com> Tue Oct 27 14:21:58 2015 -0700
committer Wale Ogunwale <ogunwale@google.com> Mon Nov 02 11:32:42 2015 -0800
tree a5a4b09cb4c6dc8d8d4cc6e624ffb200856eab95
parent c11f46f41662feebbbd2184aaef25c14add45e7d

Added StackId object for checking what features a stack supports

Helps make the code easier to follow since we are no longer checking
multiple stack ids at various decision points.

Bug: 25282299
Change-Id: Ifa6864a1ef56ce2eca4c94f87a4e0b993de987cd

packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java

diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index a8a8259..32f7e20 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -60,7 +60,9 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import static android.app.ActivityManager.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
 
 /**
  * This view is the the top level layout that contains TaskStacks (which are laid out according
@@ -488,14 +490,14 @@
             int destinationStack) {
         final int targetStackId = destinationStack != INVALID_STACK_ID ?
                 destinationStack : clickedTask.getTask().key.stackId;
-        if (targetStackId != ActivityManager.FREEFORM_WORKSPACE_STACK_ID
-                && targetStackId != ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID) {
+        if (targetStackId != FREEFORM_WORKSPACE_STACK_ID
+                && targetStackId != FULLSCREEN_WORKSPACE_STACK_ID) {
             return null;
         }
         // If this is a full screen stack, the transition will be towards the single, full screen
         // task. We only need the transition spec for this task.
         List<AppTransitionAnimationSpec> specs = new ArrayList<>();
-        if (targetStackId == ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID) {
+        if (targetStackId == FULLSCREEN_WORKSPACE_STACK_ID) {
             specs.add(createThumbnailHeaderAnimationSpec(
                     stackView, offsetX, offsetY, stackScroll, clickedTask,
                     clickedTask.getTask().key.id, ADD_HEADER_BITMAP));