From 56162a0a51e2aa752a500d941869f1af652eabbf Mon Sep 17 00:00:00 2001
From: Albert Chaulk <achaulk@google.com>
Date: Mon, 5 Jun 2017 19:35:23 -0400
Subject: [PATCH] Add a WM API to query the touch region for the input method
 window

This is needed by VR to handle keyboards that display a window larger
than the interactable region

Bug: 62194867
Test: Manually with prints
Change-Id: I7288956ed8da8d24e7c46ffa8f27461f7abbca5e
---
 core/java/android/view/IWindowManager.aidl            |  6 ++++++
 .../com/android/server/wm/WindowManagerService.java   | 11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 58a6a5e788031..2b73c14540d50 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -29,6 +29,7 @@ import android.graphics.Bitmap;
 import android.graphics.GraphicBuffer;
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.graphics.Region;
 import android.os.Bundle;
 import android.os.IRemoteCallback;
 import android.os.ParcelFileDescriptor;
@@ -377,4 +378,9 @@ interface IWindowManager
      * associated with that InputConsumer.
      */
     boolean destroyInputConsumer(String name);
+
+    /**
+     * Return the touch region for the current IME window, or an empty region if there is none.
+     */
+    Region getCurrentImeTouchRegion();
 }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 9d1b3d9ed81aa..f19994b872f28 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -6168,6 +6168,17 @@ public class WindowManagerService extends IWindowManager.Stub
         }
     }
 
+    @Override
+    public Region getCurrentImeTouchRegion() {
+        synchronized (mWindowMap) {
+            final Region r = new Region();
+            if (mInputMethodWindow != null) {
+                mInputMethodWindow.getTouchableRegion(r);
+            }
+            return r;
+        }
+    }
+
     @Override
     public boolean hasNavigationBar() {
         return mPolicy.hasNavigationBar();