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Diffstat (limited to 'src/org/openintents/openpgp/util/OpenPgpServiceConnection.java')
-rw-r--r--src/org/openintents/openpgp/util/OpenPgpServiceConnection.java118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java b/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java
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+++ b/src/org/openintents/openpgp/util/OpenPgpServiceConnection.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2014 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.util;
+
+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;
+
+public class OpenPgpServiceConnection {
+
+ // interface to create callbacks for onServiceConnected
+ public interface OnBound {
+ public void onBound(IOpenPgpService service);
+ }
+
+ private Context mApplicationContext;
+
+ private IOpenPgpService mService;
+ private String mProviderPackageName;
+
+ private OnBound mOnBoundListener;
+
+ /**
+ * Create new OpenPgpServiceConnection
+ *
+ * @param context
+ * @param providerPackageName specify package name of OpenPGP provider,
+ * e.g., "org.sufficientlysecure.keychain"
+ */
+ public OpenPgpServiceConnection(Context context, String providerPackageName) {
+ this.mApplicationContext = context.getApplicationContext();
+ this.mProviderPackageName = providerPackageName;
+ }
+
+ /**
+ * Create new OpenPgpServiceConnection
+ *
+ * @param context
+ * @param providerPackageName specify package name of OpenPGP provider,
+ * e.g., "org.sufficientlysecure.keychain"
+ * @param onBoundListener callback, executed when connection to service has been established
+ */
+ public OpenPgpServiceConnection(Context context, String providerPackageName,
+ OnBound onBoundListener) {
+ this.mApplicationContext = context.getApplicationContext();
+ this.mProviderPackageName = providerPackageName;
+ this.mOnBoundListener = onBoundListener;
+ }
+
+ public IOpenPgpService getService() {
+ return mService;
+ }
+
+ public boolean isBound() {
+ return (mService != null);
+ }
+
+ private ServiceConnection mServiceConnection = new ServiceConnection() {
+ public void onServiceConnected(ComponentName name, IBinder service) {
+ mService = IOpenPgpService.Stub.asInterface(service);
+ if (mOnBoundListener != null) {
+ mOnBoundListener.onBound(mService);
+ }
+ }
+
+ public void onServiceDisconnected(ComponentName name) {
+ mService = null;
+ }
+ };
+
+ /**
+ * If not already bound, bind to service!
+ *
+ * @return
+ */
+ public boolean bindToService() {
+ // if not already bound...
+ if (mService == null) {
+ try {
+ Intent serviceIntent = new Intent();
+ serviceIntent.setAction(IOpenPgpService.class.getName());
+ // NOTE: setPackage is very important to restrict the intent to this provider only!
+ serviceIntent.setPackage(mProviderPackageName);
+ mApplicationContext.bindService(serviceIntent, mServiceConnection,
+ Context.BIND_AUTO_CREATE);
+
+ return true;
+ } catch (Exception e) {
+ return false;
+ }
+ } else {
+ return true;
+ }
+ }
+
+ public void unbindFromService() {
+ mApplicationContext.unbindService(mServiceConnection);
+ }
+
+}