Added shared prefs for SE wired mode

When SE is in wired mode shared prefs sets the se_wired to true,
when SE is no more in wired mode shared prefs sets se_wired to
false. Default value for se_wired is false. se_wired shared pref
is set during the NFC initialization.

Change-Id: I9a3565c23035802895c8e99c671483c808312e0e

3 files changed, 66 insertions, 13 deletions

diff --git a/src/com/android/nfc/NfcService.java b/src/com/android/nfc/NfcService.java
index ecff25c..9e4e21b 100755
--- a/src/com/android/nfc/NfcService.java
+++ b/src/com/android/nfc/NfcService.java
@@ -320,7 +320,7 @@ public class NfcService extends Application implements DeviceHostListener {
         mNfcDispatcher = new NfcDispatcher(this, handoverManager);
         mP2pLinkManager = new P2pLinkManager(mContext, handoverManager);
 
-        mSecureElement = new NativeNfcSecureElement();
+        mSecureElement = new NativeNfcSecureElement(mContext);
         mEeRoutingState = ROUTE_OFF;
 
         mNfceeAccessControl = new NfceeAccessControl(this);
diff --git a/src/com/android/nfc/nxp/NativeNfcManager.java b/src/com/android/nfc/nxp/NativeNfcManager.java
index 1a50805..4bd8c24 100755
--- a/src/com/android/nfc/nxp/NativeNfcManager.java
+++ b/src/com/android/nfc/nxp/NativeNfcManager.java
@@ -38,7 +38,7 @@ public class NativeNfcManager implements DeviceHost {
 
     private static final String NFC_CONTROLLER_FIRMWARE_FILE_NAME = "/vendor/firmware/libpn544_fw.so";
 
-    private static final String PREF = "NxpDeviceHost";
+    static final String PREF = "NxpDeviceHost";
 
     private static final String PREF_FIRMWARE_MODTIME = "firmware_modtime";
     private static final long FIRMWARE_MODTIME_DEFAULT = -1;
@@ -112,11 +112,36 @@ public class NativeNfcManager implements DeviceHost {
         }
     }
 
+    private native boolean doInitialize();
+
     @Override
-    public native boolean initialize();
+    public boolean initialize() {
+        SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefs.edit();
+
+        if (prefs.getBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false)) {
+            try {
+                Thread.sleep (12000);
+                editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false);
+                editor.apply();
+            } catch (InterruptedException e) { }
+        }
+
+        return doInitialize();
+    }
+
+    private native boolean doDeinitialize();
 
     @Override
-    public native boolean deinitialize();
+    public boolean deinitialize() {
+        SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefs.edit();
+
+        editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false);
+        editor.apply();
+
+        return doDeinitialize();
+    }
 
     @Override
     public native void enableDiscovery();
diff --git a/src/com/android/nfc/nxp/NativeNfcSecureElement.java b/src/com/android/nfc/nxp/NativeNfcSecureElement.java
index 768ad2f..88f9b9d 100755
--- a/src/com/android/nfc/nxp/NativeNfcSecureElement.java
+++ b/src/com/android/nfc/nxp/NativeNfcSecureElement.java
@@ -16,6 +16,8 @@
 
 package com.android.nfc.nxp;
 
+import android.content.Context;
+import android.content.SharedPreferences;
 
 
 /**
@@ -24,16 +26,42 @@ package com.android.nfc.nxp;
  * {@hide}
  */
 public class NativeNfcSecureElement {
-    
-    public NativeNfcSecureElement() { }
-    
-    public native int doOpenSecureElementConnection();
-        
-    public native boolean doDisconnect(int handle);
-    
+
+    static final String PREF_SE_WIRED = "se_wired";
+
+    private final Context mContext;
+
+    SharedPreferences mPrefs;
+    SharedPreferences.Editor mPrefsEditor;
+
+    public NativeNfcSecureElement(Context context) {
+        mContext = context;
+
+        mPrefs = mContext.getSharedPreferences(NativeNfcManager.PREF, Context.MODE_PRIVATE);
+        mPrefsEditor = mPrefs.edit();
+    }
+
+    private native int doNativeOpenSecureElementConnection();
+
+    public int doOpenSecureElementConnection() {
+        mPrefsEditor.putBoolean(PREF_SE_WIRED, true);
+        mPrefsEditor.apply();
+
+        return doNativeOpenSecureElementConnection();
+    }
+
+    private native boolean doNativeDisconnectSecureElementConnection(int handle);
+
+    public boolean doDisconnect(int handle) {
+        mPrefsEditor.putBoolean(PREF_SE_WIRED, false);
+        mPrefsEditor.apply();
+
+        return doNativeDisconnectSecureElementConnection(handle);
+    }
+
     public native byte[] doTransceive(int handle, byte[] data);
-    
+
     public native int[] doGetTechList(int handle);
-    
+
     public native byte [] doGetUid(int handle);
 }