From 9c17e537c7dc979cabcb3e70763f1aeec9763b92 Mon Sep 17 00:00:00 2001
From: Adrian Roos <roosa@google.com>
Date: Wed, 11 Mar 2020 16:00:50 +0100
Subject: [PATCH] WindowContext: Add @WindowType intdef

Fixes: 151156902
Test: make checkapi
Change-Id: I966f8cd305189a54a5de48b03e5b4bdd51700fdf
---
 core/java/android/content/Context.java        |  3 +-
 core/java/android/content/ContextWrapper.java |  3 +-
 core/java/android/view/WindowManager.java     | 37 ++++++++++++++++++-
 3 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 6cba3270042d8..5e9ed60260830 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -71,6 +71,7 @@ import android.view.DisplayAdjustments;
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.WindowManager;
+import android.view.WindowManager.LayoutParams.WindowType;
 import android.view.autofill.AutofillManager.AutofillClient;
 import android.view.contentcapture.ContentCaptureManager.ContentCaptureClient;
 import android.view.textclassifier.TextClassificationManager;
@@ -5820,7 +5821,7 @@ public abstract class Context {
      * @see #WALLPAPER_SERVICE
      * @throws IllegalArgumentException if token is invalid
      */
-    public @NonNull Context createWindowContext(int type, @Nullable Bundle options)  {
+    public @NonNull Context createWindowContext(@WindowType int type, @Nullable Bundle options)  {
         throw new RuntimeException("Not implemented. Must override in a subclass.");
     }
 
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index 91d214badd2d2..b7e04cf74c4a1 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -42,6 +42,7 @@ import android.os.Looper;
 import android.os.UserHandle;
 import android.view.Display;
 import android.view.DisplayAdjustments;
+import android.view.WindowManager.LayoutParams.WindowType;
 import android.view.autofill.AutofillManager.AutofillClient;
 
 import java.io.File;
@@ -978,7 +979,7 @@ public class ContextWrapper extends Context {
 
     @Override
     @NonNull
-    public Context createWindowContext(int type, @Nullable Bundle options) {
+    public Context createWindowContext(@WindowType int type, @Nullable Bundle options) {
         return mBase.createWindowContext(type, options);
     }
 
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 867b648cfb10e..c5fa3c83a0e51 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -805,6 +805,7 @@ public interface WindowManager extends ViewManager {
                 @ViewDebug.IntToString(from = TYPE_APPLICATION_OVERLAY,
                         to = "APPLICATION_OVERLAY")
         })
+        @WindowType
         public int type;
 
         /**
@@ -1243,6 +1244,40 @@ public interface WindowManager extends ViewManager {
          */
         public static final int INVALID_WINDOW_TYPE = -1;
 
+        /**
+         * @hide
+         */
+        @IntDef(prefix = "TYPE_", value = {
+                TYPE_ACCESSIBILITY_OVERLAY,
+                TYPE_APPLICATION,
+                TYPE_APPLICATION_ATTACHED_DIALOG,
+                TYPE_APPLICATION_MEDIA,
+                TYPE_APPLICATION_OVERLAY,
+                TYPE_APPLICATION_PANEL,
+                TYPE_APPLICATION_STARTING,
+                TYPE_APPLICATION_SUB_PANEL,
+                TYPE_BASE_APPLICATION,
+                TYPE_DRAWN_APPLICATION,
+                TYPE_INPUT_METHOD,
+                TYPE_INPUT_METHOD_DIALOG,
+                TYPE_KEYGUARD,
+                TYPE_KEYGUARD_DIALOG,
+                TYPE_PHONE,
+                TYPE_PRIORITY_PHONE,
+                TYPE_PRIVATE_PRESENTATION,
+                TYPE_SEARCH_BAR,
+                TYPE_STATUS_BAR,
+                TYPE_STATUS_BAR_PANEL,
+                TYPE_SYSTEM_ALERT,
+                TYPE_SYSTEM_DIALOG,
+                TYPE_SYSTEM_ERROR,
+                TYPE_SYSTEM_OVERLAY,
+                TYPE_TOAST,
+                TYPE_WALLPAPER,
+        })
+        @Retention(RetentionPolicy.SOURCE)
+        public @interface WindowType {}
+
         /**
          * Return true if the window type is an alert window.
          *
@@ -1250,7 +1285,7 @@ public interface WindowManager extends ViewManager {
          * @return If the window type is an alert window.
          * @hide
          */
-        public static boolean isSystemAlertWindowType(int type) {
+        public static boolean isSystemAlertWindowType(@WindowType int type) {
             switch (type) {
                 case TYPE_PHONE:
                 case TYPE_PRIORITY_PHONE: