Added classes for Notifications (Sound playback use case)

[harmattan/cameraplus] / lib / qtcamnotifications.cpp

diff --git a/lib/qtcamnotifications.cpp b/lib/qtcamnotifications.cpp
new file mode 100644 (file)
index 0000000..5b50c0e
--- /dev/null
+++ b/lib/qtcamnotifications.cpp
@@ -0,0 +1,73 @@
+/*!
+ * This file is part of CameraPlus.
+ *
+ * Copyright (C) 2012 Mohammed Sameer <msameer@foolab.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "qtcamnotifications.h"
+#include "qtcamgstreamermessagehandler.h"
+#include "qtcamgstreamermessagelistener.h"
+#include "qtcamdevice.h"
+#include <QPointer>
+
+class QtCamNotificationsPrivate {
+public:
+  QtCamDevice *dev;
+  QPointer<QtCamGStreamerMessageHandler> imageStart;
+  QPointer<QtCamGStreamerMessageHandler> imageEnd;
+
+  QPointer<QtCamGStreamerMessageHandler> videoDone;
+  QPointer<QtCamGStreamerMessageListener> listener;
+};
+
+QtCamNotifications::QtCamNotifications(QtCamDevice *dev, QObject *parent) :
+  QObject(parent), d_ptr(new QtCamNotificationsPrivate) {
+  d_ptr->dev = dev;
+
+  d_ptr->listener = dev->listener();
+  d_ptr->imageStart = new QtCamGStreamerMessageHandler("photo-capture-start", this);
+  d_ptr->imageEnd = new QtCamGStreamerMessageHandler("photo-capture-end", this);
+  d_ptr->videoDone = new QtCamGStreamerMessageHandler("video-done", this);
+
+  if (d_ptr->listener) {
+    d_ptr->listener->addSyncHandler(d_ptr->imageStart);
+    d_ptr->listener->addHandler(d_ptr->imageEnd);
+    d_ptr->listener->addHandler(d_ptr->videoDone);
+  }
+
+  QObject::connect(d_ptr->imageStart, SIGNAL(messageSent(GstMessage *)),
+                  this, SIGNAL(imageCaptureStarted()), Qt::DirectConnection);
+
+  QObject::connect(d_ptr->imageEnd, SIGNAL(messageSent(GstMessage *)),
+                  this, SIGNAL(imageCaptureEnded()), Qt::DirectConnection);
+
+  QObject::connect(d_ptr->videoDone, SIGNAL(messageSent(GstMessage *)),
+                  this, SIGNAL(videoRecordingEnded()), Qt::DirectConnection);
+}
+
+QtCamNotifications::~QtCamNotifications() {
+  if (d_ptr->listener) {
+    d_ptr->listener->removeSyncHandler(d_ptr->imageStart);
+    d_ptr->listener->removeHandler(d_ptr->imageEnd);
+    d_ptr->listener->removeHandler(d_ptr->videoDone);
+  }
+
+  delete d_ptr->imageStart.data();
+  delete d_ptr->imageEnd.data();
+
+  delete d_ptr; d_ptr = 0;
+}