--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/runonphone/symbianutils/communicationstarter.h	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef COMMUNICATIONSTARTER_H
+#define COMMUNICATIONSTARTER_H
+
+#include "symbianutils_global.h"
+
+#include <QtCore/QSharedPointer>
+#include <QtCore/QObject>
+
+namespace trk {
+class TrkDevice;
+class BluetoothListener;
+struct BaseCommunicationStarterPrivate;
+
+/* BaseCommunicationStarter: A QObject that repeatedly tries to open a
+ * trk device until a connection succeeds or a timeout occurs (emitting
+ * signals), allowing to do something else in the foreground (local event loop
+ * [say QMessageBox] or some asynchronous operation). If the initial
+ * connection attempt in start() fails, the
+ * virtual initializeStartupResources() is called to initialize resources
+ * required to pull up the communication (namely Bluetooth listeners).
+ * The base class can be used as is to prompt the user to launch App TRK for a
+ * serial communication as this requires no further resource setup. */
+
+class SYMBIANUTILS_EXPORT BaseCommunicationStarter : public QObject {
+    Q_OBJECT
+    Q_DISABLE_COPY(BaseCommunicationStarter)
+public:
+    typedef QSharedPointer<TrkDevice> TrkDevicePtr;
+
+    enum State { Running, Connected, TimedOut };
+
+    explicit BaseCommunicationStarter(const TrkDevicePtr& trkDevice, QObject *parent = 0);
+    virtual ~BaseCommunicationStarter();
+
+    int intervalMS() const;
+    void setIntervalMS(int i);
+
+    int attempts() const;
+    void setAttempts(int a);
+
+    QString device() const;
+
+    State state() const;
+    QString errorString() const;
+
+    enum StartResult {
+        Started,               // Starter is now running.
+        ConnectionSucceeded,   /* Initial connection attempt succeeded,
+                                * no need to keep running. */
+        StartError             // Error occurred during start.
+    };
+
+    StartResult start();
+
+signals:
+    void connected();
+    void timeout();
+    void message(const QString &);
+
+private slots:
+    void slotTimer();
+
+protected:
+    virtual bool initializeStartupResources(QString *errorMessage);
+
+private:
+    inline void stopTimer();
+
+    BaseCommunicationStarterPrivate *d;
+};
+
+/* AbstractBluetoothStarter: Repeatedly tries to open a trk Bluetooth
+ * device. Note that in case a Listener is already running mode, the
+ * connection will succeed immediately.
+ * initializeStartupResources() is implemented to fire up the listener.
+ * Introduces a new virtual createListener() that derived classes must
+ * implement as a factory function that creates and sets up the
+ * listener (mode, message connection, etc). */
+
+class SYMBIANUTILS_EXPORT AbstractBluetoothStarter : public BaseCommunicationStarter {
+    Q_OBJECT
+    Q_DISABLE_COPY(AbstractBluetoothStarter)
+public:
+
+protected:
+    explicit AbstractBluetoothStarter(const TrkDevicePtr& trkDevice, QObject *parent = 0);
+
+    // Implemented to fire up the listener.
+    virtual bool initializeStartupResources(QString *errorMessage);
+    // New virtual: Overwrite to create and parametrize the listener.
+    virtual BluetoothListener *createListener() = 0;
+};
+
+/* ConsoleBluetoothStarter: Convenience class for console processes. Creates a
+ * listener in "Listen" mode with the messages redirected to standard output. */
+
+class SYMBIANUTILS_EXPORT ConsoleBluetoothStarter : public AbstractBluetoothStarter {
+    Q_OBJECT
+    Q_DISABLE_COPY(ConsoleBluetoothStarter)
+public:
+    static bool startBluetooth(const TrkDevicePtr& trkDevice,
+                               QObject *listenerParent,
+                               int attempts,
+                               QString *errorMessage);
+
+protected:
+    virtual BluetoothListener *createListener();
+
+private:
+    explicit ConsoleBluetoothStarter(const TrkDevicePtr& trkDevice,
+                                     QObject *listenerParent,
+                                     QObject *parent = 0);
+
+    QObject *m_listenerParent;
+};
+
+} // namespace trk
+
+#endif // COMMUNICATIONSTARTER_H