1 files changed, 125 insertions, 0 deletions
diff --git a/src/plugins/winrt/qwinrtcameralockscontrol.cpp b/src/plugins/winrt/qwinrtcameralockscontrol.cpp
new file mode 100644
index 000000000..8528d16fb
--- /dev/null
+++ b/src/plugins/winrt/qwinrtcameralockscontrol.cpp
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QCameraFocusControl>
+
+#include "qwinrtcameralockscontrol.h"
+#include "qwinrtcameracontrol.h"
+
+QT_BEGIN_NAMESPACE
+
+QWinRTCameraLocksControl::QWinRTCameraLocksControl(QObject *parent)
+    : QCameraLocksControl(parent)
+    , m_supportedLocks(QCamera::NoLock)
+    , m_focusLockStatus(QCamera::Unlocked)
+{
+}
+
+QCamera::LockTypes QWinRTCameraLocksControl::supportedLocks() const
+{
+    return m_supportedLocks;
+}
+
+QCamera::LockStatus QWinRTCameraLocksControl::lockStatus(QCamera::LockType lock) const
+{
+    switch (lock) {
+    case QCamera::LockFocus:
+        return m_focusLockStatus;
+    case QCamera::LockExposure:
+    case QCamera::LockWhiteBalance:
+    default:
+        return QCamera::Unlocked;
+    }
+}
+
+void QWinRTCameraLocksControl::searchAndLock(QCamera::LockTypes locks)
+{
+    QWinRTCameraControl *cameraControl = qobject_cast<QWinRTCameraControl *>(parent());
+    Q_ASSERT(cameraControl);
+    if (cameraControl->state() != QCamera::ActiveState)
+        return;
+    else if (locks.testFlag(QCamera::LockFocus))
+        QMetaObject::invokeMethod(this, "searchAndLockFocus", Qt::QueuedConnection);
+    else
+        cameraControl->emitError(QCamera::InvalidRequestError, QStringLiteral("Unsupported camera lock type."));
+}
+
+void QWinRTCameraLocksControl::unlock(QCamera::LockTypes locks)
+{
+    if (locks.testFlag(QCamera::LockFocus))
+        QMetaObject::invokeMethod(this, "unlockFocus", Qt::QueuedConnection);
+}
+
+void QWinRTCameraLocksControl::initialize()
+{
+    QWinRTCameraControl *cameraControl = qobject_cast<QWinRTCameraControl *>(parent());
+    Q_ASSERT(cameraControl);
+    QCameraFocusControl *focusControl = cameraControl->cameraFocusControl();
+    Q_ASSERT(focusControl);
+    if (focusControl->isFocusModeSupported(QCameraFocus::AutoFocus))
+        m_supportedLocks |= QCamera::LockFocus;
+}
+
+void QWinRTCameraLocksControl::searchAndLockFocus()
+{
+    if (QCamera::Locked == m_focusLockStatus)
+        unlockFocus();
+    QWinRTCameraControl *cameraControl = qobject_cast<QWinRTCameraControl *>(parent());
+    Q_ASSERT(cameraControl);
+    QCameraFocusControl *focusControl = cameraControl->cameraFocusControl();
+    Q_ASSERT(focusControl);
+    if (focusControl->focusMode().testFlag(QCameraFocus::ContinuousFocus)) {
+        cameraControl->emitError(QCamera::NotSupportedFeatureError, QStringLiteral("Camera can't lock focus in continuous focus mode."));
+    } else {
+        m_focusLockStatus = QCamera::Searching;
+        emit lockStatusChanged(QCamera::LockFocus, m_focusLockStatus, QCamera::LockAcquired);
+        if (cameraControl->focus()) {
+            m_focusLockStatus = cameraControl->lockFocus() ? QCamera::Locked : QCamera::Unlocked;
+            emit lockStatusChanged(QCamera::LockFocus, m_focusLockStatus, QCamera::LockAcquired);
+        }
+    }
+}
+
+void QWinRTCameraLocksControl::unlockFocus()
+{
+    if (QCamera::Unlocked == m_focusLockStatus)
+        return;
+    QWinRTCameraControl *cameraControl = qobject_cast<QWinRTCameraControl *>(parent());
+    Q_ASSERT(cameraControl);
+    m_focusLockStatus = cameraControl->unlockFocus() ? QCamera::Unlocked : QCamera::Locked;
+    emit lockStatusChanged(QCamera::LockFocus, m_focusLockStatus, QCamera::UserRequest);
+}
+
+QT_END_NAMESPACE