Block logging watched histories for passthrough inputs

Added a system API TvContract.isChannelUriForPassthroughTvInput

Change-Id: I933482831ae2a8b4d6000c4d16520387b5b6a13f

media/java/android/media/tv/TvContract.java

@@ -16,6 +16,7 @@
 
 package android.media.tv;
 
+import android.annotation.SystemApi;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.ContentUris;
@@ -119,6 +120,15 @@ public final class TvContract {
                 .appendPath(PATH_PASSTHROUGH).build();
     }
 
+    /**
+     * Returns true, if {@code channelUri} is a channel URI for a passthrough TV input.
+     * @hide
+     */
+    @SystemApi
+    public static final boolean isChannelUriForPassthroughTvInput(Uri channelUri) {
+        return channelUri.toString().endsWith(PATH_PASSTHROUGH);
+    }
+
     /**
      * Builds a URI that points to a channel logo. See {@link Channels.Logo}.
      *

services/core/java/com/android/server/tv/TvInputManagerService.java

@@ -993,7 +993,10 @@ public final class TvInputManagerService extends SystemService {
                 synchronized (mLock) {
                     try {
                         getSessionLocked(sessionToken, callingUid, resolvedUserId).tune(channelUri);
-
+                        if (TvContract.isChannelUriForPassthroughTvInput(channelUri)) {
+                            // Do not log the watch history for passthrough inputs.
+                            return;
+                        }
                         long currentTime = System.currentTimeMillis();
                         long channelId = ContentUris.parseId(channelUri);