Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2

src/plugins/gstreamer/camerabin/camerabinlocks.cpp

@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "camerabinlocks.h"
+#include "camerabinsession.h"
+#include "camerabinfocus.h"
+
+#include <gst/interfaces/photography.h>
+
+#include <QDebug>
+
+CameraBinLocks::CameraBinLocks(CameraBinSession *session)
+    :QCameraLocksControl(session),
+     m_session(session),
+     m_focus(m_session->cameraFocusControl())
+{
+    connect(m_focus, SIGNAL(_q_focusStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason)),
+            this, SLOT(updateFocusStatus(QCamera::LockStatus, QCamera::LockChangeReason)));
+}
+
+CameraBinLocks::~CameraBinLocks()
+{
+}
+
+QCamera::LockTypes CameraBinLocks::supportedLocks() const
+{
+    return QCamera::LockFocus;
+}
+
+QCamera::LockStatus CameraBinLocks::lockStatus(QCamera::LockType lock) const
+{
+    return lock == QCamera::LockFocus ? m_focus->focusStatus() : QCamera::Unlocked;
+}
+
+void CameraBinLocks::searchAndLock(QCamera::LockTypes locks)
+{
+    if (locks & QCamera::LockFocus)
+        m_focus->_q_startFocusing();
+}
+
+void CameraBinLocks::unlock(QCamera::LockTypes locks)
+{
+    if (locks & QCamera::LockFocus)
+        m_focus->_q_stopFocusing();
+}
+
+void CameraBinLocks::updateFocusStatus(QCamera::LockStatus status, QCamera::LockChangeReason reason)
+{
+    emit lockStatusChanged(QCamera::LockFocus, status, reason);
+}