Add QML accessors for camera viewfinder properties.

[ChangeLog] Added QML accessors for camera viewfinder properties.

Change-Id: I05a2a6c552aa8606e8dc31a11d1cfdedf66c554f
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/imports/multimedia/qdeclarativecameraviewfinder.cpp b/src/imports/multimedia/qdeclarativecameraviewfinder.cpp
new file mode 100644
index 000000000..5fa9dada5
--- /dev/null
+++ b/src/imports/multimedia/qdeclarativecameraviewfinder.cpp
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Jolla Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdeclarativecamera_p.h"
+#include "qdeclarativecameraviewfinder_p.h"
+
+#include <QtMultimedia/qcameraviewfindersettingscontrol.h>
+
+
+QT_BEGIN_NAMESPACE
+
+QDeclarativeCameraViewfinder::QDeclarativeCameraViewfinder(QCamera *camera, QObject *parent)
+    : QObject(parent)
+    , m_camera(camera)
+    , m_control(0)
+{
+    if (QMediaService *service = m_camera->service())
+        m_control = service->requestControl<QCameraViewfinderSettingsControl *>();
+}
+
+QDeclarativeCameraViewfinder::~QDeclarativeCameraViewfinder()
+{
+    if (m_control) {
+        if (QMediaService *service = m_camera->service())
+            service->releaseControl(m_control);
+    }
+}
+
+QSize QDeclarativeCameraViewfinder::resolution() const
+{
+    return m_control
+            ? m_control->viewfinderParameter(QCameraViewfinderSettingsControl::Resolution).value<QSize>()
+            : QSize();
+}
+
+void QDeclarativeCameraViewfinder::setResolution(const QSize &resolution)
+{
+    if (m_control) {
+        m_control->setViewfinderParameter(
+                    QCameraViewfinderSettingsControl::Resolution, resolution);
+        emit resolutionChanged();
+    }
+}
+
+qreal QDeclarativeCameraViewfinder::minimumFrameRate() const
+{
+    return m_control
+            ? m_control->viewfinderParameter(QCameraViewfinderSettingsControl::MinimumFrameRate).value<qreal>()
+            : 0.0;
+}
+
+void QDeclarativeCameraViewfinder::setMinimumFrameRate(qreal frameRate)
+{
+    if (m_control) {
+        m_control->setViewfinderParameter(
+                    QCameraViewfinderSettingsControl::MinimumFrameRate, frameRate);
+        emit minimumFrameRateChanged();
+    }
+}
+
+qreal QDeclarativeCameraViewfinder::maximumFrameRate() const
+{
+    return m_control
+            ? m_control->viewfinderParameter(QCameraViewfinderSettingsControl::MaximumFrameRate).value<qreal>()
+            : 0.0;
+}
+
+void QDeclarativeCameraViewfinder::setMaximumFrameRate(qreal frameRate)
+{
+    if (m_control) {
+        m_control->setViewfinderParameter(
+                    QCameraViewfinderSettingsControl::MaximumFrameRate, frameRate);
+        emit maximumFrameRateChanged();
+    }
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qdeclarativecameraviewfinder_p.cpp"