commit 9e370f2912620a4f3239cb58d2bce23a58f78cd6
author Adrian Roos <roosa@google.com> Tue Mar 06 18:19:45 2018 +0100
committer Adrian Roos <roosa@google.com> Wed Mar 07 16:53:54 2018 +0100
tree 837a268b887d12a94f903321c9fc575373c67d2f
parent 999e97f405b8f01b12a6fb8e844d33dc807813fa

Window: Provide frame size hint to ViewRootImpl

Provides a better estimate to the ViewRootImpl about the likely
window frame size than it can get from the configuration, which
allows it to avoid unneccessary measure passes.

Bug: 73813813
Test: atest PhoneWindowManagerLayoutTest
Change-Id: Ia4de6509416d90eed61929ce1646904c31afdd8d

services/core/java/com/android/server/wm/Session.java

diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index 94b8518..662d51d 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -193,16 +193,16 @@
             int viewVisibility, Rect outContentInsets, Rect outStableInsets,
             InputChannel outInputChannel) {
         return addToDisplay(window, seq, attrs, viewVisibility, Display.DEFAULT_DISPLAY,
-                outContentInsets, outStableInsets, null /* outOutsets */, null /* cutout */,
-                outInputChannel);
+                new Rect() /* outFrame */, outContentInsets, outStableInsets, null /* outOutsets */,
+                null /* cutout */, outInputChannel);
     }
 
     @Override
     public int addToDisplay(IWindow window, int seq, WindowManager.LayoutParams attrs,
-            int viewVisibility, int displayId, Rect outContentInsets, Rect outStableInsets,
-            Rect outOutsets, DisplayCutout.ParcelableWrapper outDisplayCutout,
-            InputChannel outInputChannel) {
-        return mService.addWindow(this, window, seq, attrs, viewVisibility, displayId,
+            int viewVisibility, int displayId, Rect outFrame, Rect outContentInsets,
+            Rect outStableInsets, Rect outOutsets,
+            DisplayCutout.ParcelableWrapper outDisplayCutout, InputChannel outInputChannel) {
+        return mService.addWindow(this, window, seq, attrs, viewVisibility, displayId, outFrame,
                 outContentInsets, outStableInsets, outOutsets, outDisplayCutout, outInputChannel);
     }
 
@@ -217,7 +217,8 @@
     public int addToDisplayWithoutInputChannel(IWindow window, int seq, WindowManager.LayoutParams attrs,
             int viewVisibility, int displayId, Rect outContentInsets, Rect outStableInsets) {
         return mService.addWindow(this, window, seq, attrs, viewVisibility, displayId,
-            outContentInsets, outStableInsets, null /* outOutsets */, null /* cutout */, null);
+                new Rect() /* outFrame */, outContentInsets, outStableInsets, null /* outOutsets */,
+                null /* cutout */, null /* outInputChannel */);
     }
 
     @Override