Merge "Introduce INPUT_CONSUMER permission for InputConsumer" into rvc-d1-dev am: c3347f92cd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12937360

Change-Id: I63a88a3b97c87490551535b58042cc210e998944

core/res/AndroidManifest.xml

@@ -5056,6 +5056,10 @@
     <permission android:name="android.permission.ACCESS_LOCUS_ID_USAGE_STATS"
                 android:protectionLevel="signature|appPredictor" />
 
+    <!-- @hide Allows an application to create/destroy input consumer. -->
+    <permission android:name="android.permission.INPUT_CONSUMER"
+                android:protectionLevel="signature" />
+
     <!-- Attribution for Country Detector. -->
     <attribution android:tag="CountryDetector" android:label="@string/country_detector"/>
     <!-- Attribution for Location service. -->

packages/SystemUI/AndroidManifest.xml

@@ -113,6 +113,7 @@
     <uses-permission android:name="android.permission.SET_ORIENTATION" />
     <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
     <uses-permission android:name="android.permission.MONITOR_INPUT" />
+    <uses-permission android:name="android.permission.INPUT_CONSUMER" />
 
     <!-- DreamManager -->
     <uses-permission android:name="android.permission.READ_DREAM_STATE" />

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

@@ -219,6 +219,11 @@ final class InputMonitor {
 
     WindowManagerPolicy.InputConsumer createInputConsumer(Looper looper, String name,
             InputEventReceiver.Factory inputEventReceiverFactory) {
+        if (!name.contentEquals(INPUT_CONSUMER_NAVIGATION)) {
+            throw new IllegalArgumentException("Illegal input consumer : " + name
+                    + ", display: " + mDisplayId);
+        }
+
         if (mInputConsumers.containsKey(name)) {
             throw new IllegalStateException("Existing input consumer found with name: " + name
                     + ", display: " + mDisplayId);
@@ -248,6 +253,11 @@ final class InputMonitor {
                 // stack, and we need FLAG_NOT_TOUCH_MODAL to ensure other events fall through
                 consumer.mWindowHandle.layoutParamsFlags |= FLAG_NOT_TOUCH_MODAL;
                 break;
+            case INPUT_CONSUMER_RECENTS_ANIMATION:
+                break;
+            default:
+                throw new IllegalArgumentException("Illegal input consumer : " + name
+                        + ", display: " + mDisplayId);
         }
         addInputConsumer(name, consumer);
     }
@@ -459,9 +469,6 @@ final class InputMonitor {
             mDisplayContent.forAllWindows(this,
                     true /* traverseTopToBottom */);
 
-            if (mAddWallpaperInputConsumerHandle) {
-                mWallpaperInputConsumer.show(mInputTransaction, 0);
-            }
             if (!mUpdateInputWindowsImmediately) {
                 mDisplayContent.getPendingTransaction().merge(mInputTransaction);
                 mDisplayContent.scheduleAnimation();

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

@@ -17,6 +17,7 @@
 package com.android.server.wm;
 
 import static android.Manifest.permission.CONTROL_REMOTE_APP_TRANSITION_ANIMATIONS;
+import static android.Manifest.permission.INPUT_CONSUMER;
 import static android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
 import static android.Manifest.permission.MANAGE_ACTIVITY_STACKS;
 import static android.Manifest.permission.MANAGE_APP_TOKENS;
@@ -5886,6 +5887,11 @@ public class WindowManagerService extends IWindowManager.Stub
     @Override
     public void createInputConsumer(IBinder token, String name, int displayId,
             InputChannel inputChannel) {
+        if (!mAtmInternal.isCallerRecents(Binder.getCallingUid())
+                && mContext.checkCallingOrSelfPermission(INPUT_CONSUMER) != PERMISSION_GRANTED) {
+            throw new SecurityException("createInputConsumer requires INPUT_CONSUMER permission");
+        }
+
         synchronized (mGlobalLock) {
             DisplayContent display = mRoot.getDisplayContent(displayId);
             if (display != null) {
@@ -5897,6 +5903,11 @@ public class WindowManagerService extends IWindowManager.Stub
 
     @Override
     public boolean destroyInputConsumer(String name, int displayId) {
+        if (!mAtmInternal.isCallerRecents(Binder.getCallingUid())
+                && mContext.checkCallingOrSelfPermission(INPUT_CONSUMER) != PERMISSION_GRANTED) {
+            throw new SecurityException("destroyInputConsumer requires INPUT_CONSUMER permission");
+        }
+
         synchronized (mGlobalLock) {
             DisplayContent display = mRoot.getDisplayContent(displayId);
             if (display != null) {