winrt: Add camera focus and focus lock controls

[ChangLog][multimedia][winrt] The winrt backend now supports camera focus
and focus lock for Windows Phone.

Task-Id: QTBUG-46120
Change-Id: Idb222798284d887a6e90a4986c69274e0ef765f5
Reviewed-by: Andrew Knight <andrew.knight@intopalo.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/plugins/winrt/qwinrtcameralockscontrol.h b/src/plugins/winrt/qwinrtcameralockscontrol.h
new file mode 100644
index 000000000..5a7b57c11
--- /dev/null
+++ b/src/plugins/winrt/qwinrtcameralockscontrol.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies).
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINRTCAMERALOCKSCONTROL_H
+#define QWINRTCAMERALOCKSCONTROL_H
+
+#include <QCameraLocksControl>
+
+QT_BEGIN_NAMESPACE
+
+class QWinRTCameraControl;
+class QWinRTCameraLocksControl : public QCameraLocksControl
+{
+    Q_OBJECT
+public:
+    explicit QWinRTCameraLocksControl(QObject *parent);
+
+    QCamera::LockTypes supportedLocks() const Q_DECL_OVERRIDE;
+    QCamera::LockStatus lockStatus(QCamera::LockType lock) const Q_DECL_OVERRIDE;
+    void searchAndLock(QCamera::LockTypes locks) Q_DECL_OVERRIDE;
+    void unlock(QCamera::LockTypes locks) Q_DECL_OVERRIDE;
+    void initialize();
+
+private:
+    Q_INVOKABLE void searchAndLockFocus();
+    Q_INVOKABLE void unlockFocus();
+    QCamera::LockTypes m_supportedLocks;
+    QCamera::LockStatus m_focusLockStatus;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWINRTCAMERALOCKSCONTROL_H