From 891146c6a6e40f40d9e9ca34378389a5aa6a53a7 Mon Sep 17 00:00:00 2001
From: Garfield Tan <xutan@google.com>
Date: Tue, 9 Oct 2018 12:14:00 -0700
Subject: Implement launch bounds logic in Android (3/3)

This CL introduces persistence to launch bounds logic. It also wires up
the following state changes and persister:
1) freeform resizing;
2) windowing mode change;
3) display change;
4) task closing.

We may still need to persist immersive mode, but that needs further
discussion.

Changed launch bounds modifier a bit so that it won't launch tasks that
are completely out of the new display or conflict to existing tasks.

Bug: 113252871
Test: Manual tests on that freeform launch bounds are persisted across
reboots.
atest WmTests:LaunchParamsPersisterTests
atest WmTests:LaunchParamsControllerTests
atest WmTests:PersisterQueueTests
Change-Id: I20f3056735253c668c7f09c6eb5204e6a5990b1c
---
 core/java/android/view/Display.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'core/java/android/view/Display.java')

diff --git a/core/java/android/view/Display.java b/core/java/android/view/Display.java
index 719a401ce0cf..4401b501538f 100644
--- a/core/java/android/view/Display.java
+++ b/core/java/android/view/Display.java
@@ -450,6 +450,19 @@ public final class Display {
         return mDisplayId;
     }
 
+    /**
+     * Gets the display unique id.
+     * <p>
+     * Unique id is different from display id because physical displays have stable unique id across
+     * reboots.
+     *
+     * @see com.android.service.display.DisplayDevice#hasStableUniqueId().
+     * @hide
+     */
+    public String getUniqueId() {
+        return mDisplayInfo.uniqueId;
+    }
+
     /**
      * Returns true if this display is still valid, false if the display has been removed.
      *
-- 
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