TIF: Add a method to get TvInputInfo for a given TV input

This is going to be needed by applications to get information about the
inputs that are just added thus not included in the previously retrieved
input list.

Bug: 16166859, Bug: 15838097
Change-Id: Icecd03fcea208a0c4d41caab1eec64e574f40877

1 files changed, 16 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/tv/TvInputManagerService.java b/services/core/java/com/android/server/tv/TvInputManagerService.java
index f679f79..0407b10 100644
--- a/services/core/java/com/android/server/tv/TvInputManagerService.java
+++ b/services/core/java/com/android/server/tv/TvInputManagerService.java
@@ -754,6 +754,22 @@ public final class TvInputManagerService extends SystemService {
         }
 
         @Override
+        public TvInputInfo getTvInputInfo(String inputId, int userId) {
+            final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(),
+                    Binder.getCallingUid(), userId, "getTvInputInfo");
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                synchronized (mLock) {
+                    UserState userState = getUserStateLocked(resolvedUserId);
+                    TvInputState state = userState.inputMap.get(inputId);
+                    return state == null ? null : state.mInfo;
+                }
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+
+        @Override
         public void registerCallback(final ITvInputManagerCallback callback, int userId) {
             final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(),
                     Binder.getCallingUid(), userId, "registerCallback");