Move all files to natural position.

app/src/main/java/org/thoughtcrime/securesms/PassphraseActivity.java

@@ -0,0 +1,77 @@
+/**
+ * Copyright (C) 2011 Whisper Systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.thoughtcrime.securesms;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import org.thoughtcrime.securesms.logging.Log;
+
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.service.KeyCachingService;
+
+
+/**
+ * Base Activity for changing/prompting local encryption passphrase.
+ *
+ * @author Moxie Marlinspike
+ */
+public abstract class PassphraseActivity extends BaseActionBarActivity {
+
+  private static final String TAG = PassphraseActivity.class.getSimpleName();
+
+  private KeyCachingService keyCachingService;
+  private MasterSecret masterSecret;
+
+  protected void setMasterSecret(MasterSecret masterSecret) {
+    this.masterSecret = masterSecret;
+    Intent bindIntent = new Intent(this, KeyCachingService.class);
+    startService(bindIntent);
+    bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
+  }
+
+  protected abstract void cleanup();
+
+  private ServiceConnection serviceConnection = new ServiceConnection() {
+      @Override
+      public void onServiceConnected(ComponentName className, IBinder service) {
+        keyCachingService = ((KeyCachingService.KeySetBinder)service).getService();
+        keyCachingService.setMasterSecret(masterSecret);
+
+        PassphraseActivity.this.unbindService(PassphraseActivity.this.serviceConnection);
+
+        masterSecret = null;
+        cleanup();
+
+        Intent nextIntent = getIntent().getParcelableExtra("next_intent");
+        if (nextIntent != null) {
+            try {
+                startActivity(nextIntent);
+            } catch (java.lang.SecurityException e) {
+                Log.w(TAG, "Access permission not passed from PassphraseActivity, retry sharing.");
+            }
+        }
+        finish();
+      }
+      @Override
+      public void onServiceDisconnected(ComponentName name) {
+        keyCachingService = null;
+      }
+  };
+}