Merge "Add methods to check tag availability"

1 files changed, 20 insertions, 0 deletions

diff --git a/src/com/android/nfc/NfcService.java b/src/com/android/nfc/NfcService.java
index acac182e..60f4f85b 100644
--- a/src/com/android/nfc/NfcService.java
+++ b/src/com/android/nfc/NfcService.java
@@ -336,6 +336,9 @@ public class NfcService implements DeviceHostListener {
     boolean mNotifyDispatchFailed;
     boolean mNotifyReadFailed;
 
+    // for recording the latest Tag object cookie
+    long mCookieUpToDate = 0;
+
     private NfcDispatcher mNfcDispatcher;
     private PowerManager mPowerManager;
     private KeyguardManager mKeyguard;
@@ -2055,6 +2058,23 @@ public class NfcService implements DeviceHostListener {
         public boolean getExtendedLengthApdusSupported() throws RemoteException {
             return mDeviceHost.getExtendedLengthApdusSupported();
         }
+
+        @Override
+        public void setTagUpToDate(long cookie) throws RemoteException {
+            if (DBG) Log.d(TAG, "Register Tag " + Long.toString(cookie) + " as the latest");
+            mCookieUpToDate = cookie;
+        }
+
+        @Override
+        public boolean isTagUpToDate(long cookie) throws RemoteException {
+            if (mCookieUpToDate == cookie) {
+                if (DBG) Log.d(TAG, "Tag " + Long.toString(cookie) + " is up to date");
+                return true;
+            }
+
+            if (DBG) Log.d(TAG, "Tag " + Long.toString(cookie) + " is out of date");
+            return false;
+        }
     }
 
     final class NfcDtaService extends INfcDta.Stub {