1 files changed, 93 insertions, 0 deletions
diff --git a/OpenPGP-Keychain-API/libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpServiceConnection.java b/OpenPGP-Keychain-API/libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpServiceConnection.java
new file mode 100644
index 000000000..f7ba06aaf
--- /dev/null
+++ b/OpenPGP-Keychain-API/libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpServiceConnection.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openintents.openpgp;
+
+import org.openintents.openpgp.IOpenPgpService;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.util.Log;
+
+public class OpenPgpServiceConnection {
+    private Context mApplicationContext;
+
+    private IOpenPgpService mService;
+    private boolean mBound;
+    private String mCryptoProviderPackageName;
+
+    public OpenPgpServiceConnection(Context context, String cryptoProviderPackageName) {
+        this.mApplicationContext = context.getApplicationContext();
+        this.mCryptoProviderPackageName = cryptoProviderPackageName;
+    }
+
+    public IOpenPgpService getService() {
+        return mService;
+    }
+
+    public boolean isBound() {
+        return mBound;
+    }
+
+    private ServiceConnection mCryptoServiceConnection = new ServiceConnection() {
+        public void onServiceConnected(ComponentName name, IBinder service) {
+            mService = IOpenPgpService.Stub.asInterface(service);
+            Log.d(OpenPgpConstants.TAG, "connected to service");
+            mBound = true;
+        }
+
+        public void onServiceDisconnected(ComponentName name) {
+            mService = null;
+            Log.d(OpenPgpConstants.TAG, "disconnected from service");
+            mBound = false;
+        }
+    };
+
+    /**
+     * If not already bound, bind!
+     * 
+     * @return
+     */
+    public boolean bindToService() {
+        if (mService == null && !mBound) { // if not already connected
+            try {
+                Log.d(OpenPgpConstants.TAG, "not bound yet");
+
+                Intent serviceIntent = new Intent();
+                serviceIntent.setAction(IOpenPgpService.class.getName());
+                serviceIntent.setPackage(mCryptoProviderPackageName);
+                mApplicationContext.bindService(serviceIntent, mCryptoServiceConnection,
+                        Context.BIND_AUTO_CREATE);
+
+                return true;
+            } catch (Exception e) {
+                Log.d(OpenPgpConstants.TAG, "Exception on binding", e);
+                return false;
+            }
+        } else {
+            Log.d(OpenPgpConstants.TAG, "already bound");
+            return true;
+        }
+    }
+
+    public void unbindFromService() {
+        mApplicationContext.unbindService(mCryptoServiceConnection);
+    }
+
+}