Add permission check before setMain()

Test: make; cts-tradefed; run cts -m CtsTvTestCases;
Bug: 64489430
Change-Id: I1365165eb1ba76b3a54a3141cc19e8245c99f279

1 files changed, 11 insertions, 2 deletions

diff --git a/media/java/android/media/tv/TvView.java b/media/java/android/media/tv/TvView.java
index 9538e1d5fa74..6b329f8ec694 100644
--- a/media/java/android/media/tv/TvView.java
+++ b/media/java/android/media/tv/TvView.java
@@ -22,6 +22,7 @@ import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.graphics.Canvas;
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
@@ -680,7 +681,8 @@ public class TvView extends ViewGroup {
         // Other app may have shown its own main TvView.
         // Set main again to regain main session.
         synchronized (sMainTvViewLock) {
-            if (hasFocus && this == sMainTvView.get() && mSession != null) {
+            if (hasFocus && this == sMainTvView.get() && mSession != null
+                    && checkChangeHdmiCecActiveSourcePermission()) {
                 mSession.setMain();
             }
         }
@@ -848,6 +850,12 @@ public class TvView extends ViewGroup {
         return frame;
     }
 
+    private boolean checkChangeHdmiCecActiveSourcePermission() {
+        return getContext().checkSelfPermission(
+                android.Manifest.permission.CHANGE_HDMI_CEC_ACTIVE_SOURCE)
+                        == PackageManager.PERMISSION_GRANTED;
+    }
+
     /**
      * Callback used to receive time shift position changes.
      */
@@ -1080,7 +1088,8 @@ public class TvView extends ViewGroup {
                 mPendingAppPrivateCommands.clear();
 
                 synchronized (sMainTvViewLock) {
-                    if (hasWindowFocus() && TvView.this == sMainTvView.get()) {
+                    if (hasWindowFocus() && TvView.this == sMainTvView.get()
+                            && checkChangeHdmiCecActiveSourcePermission()) {
                         mSession.setMain();
                     }
                 }