Blackberry: Remove QtGui dependency

In the Blackberry backend, we can't depend on QtGui and especially
not on the Blackberry QPA plugin, as Cascades uses
QCoreApplication, not QGuiApplication.

All QtGui functions are replaced with a new GuiHelper class, that
internally uses BPS.

Change-Id: Ia508e8b397050676c68612340d33cdbf57041076
Reviewed-by: Adam Parco <aparco@rim.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/src/plugins/sensors/blackberry/bbguihelper.h b/src/plugins/sensors/blackberry/bbguihelper.h
new file mode 100644
index 00000000..08c1de42
--- /dev/null
+++ b/src/plugins/sensors/blackberry/bbguihelper.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef BBGUIHELPER_H
+#define BBGUIHELPER_H
+
+#include <QtCore/QAbstractNativeEventFilter>
+#include <QtCore/QObject>
+
+struct bps_event_t;
+
+// We can't depend on QtGui in this plugin, only on BPS.
+// This class provides replacements for some QtGui functions, implemented using BPS.
+class BbGuiHelper : public QObject, public QAbstractNativeEventFilter
+{
+    Q_OBJECT
+public:
+    explicit BbGuiHelper(QObject *parent = 0);
+    ~BbGuiHelper();
+
+    // Orientation 0 is device held in normal position (Blackberry logo readable), then orientation
+    // increases in 90 degrees steps counter-clockwise, i.e. rotating the device to the left.
+    // Therefore the range is 0 to 270 degrees.
+    int currentOrientation() const;
+
+    bool applicationActive() const;
+
+    bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) Q_DECL_OVERRIDE;
+
+signals:
+    void orientationChanged();
+    void applicationActiveChanged();
+
+private:
+    int m_currentOrientation;
+    bool m_applicationActive;
+};
+
+#endif