1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef CXESNAPSHOTCONTROLPRIVATE_H

    19 #define CXESNAPSHOTCONTROLPRIVATE_H

    20 

    21 

    22 #include <QObject>

    23 #include "cxeerror.h"

    24 #include "cxestatemachine.h"

    25 

    26 class QPixmap;

    27 class CxeSnapshotControl;

    28 class CxeCameraDevice;

    29 

    30 

    31 /*!

    32 * Snapshot control private implementation.

    33 */

    34 class CxeSnapshotControlPrivate : public CxeStateMachine

    35 {

    36 private:

    37     CxeSnapshotControlPrivate(CxeSnapshotControl *parent, CxeCameraDevice &device);

    38     virtual ~CxeSnapshotControlPrivate();

    39 

    40 protected: // from CxeStateMachine

    41     void handleStateChanged(int newStateId, CxeError::Id error);

    42 

    43 private:

    44     CxeSnapshotControl::State state() const;

    45     void initializeStates();

    46     QSize calculateSnapshotSize(const QSize &displaySize, const QSize &outputResolution) const;

    47     void start(const QSize &size);

    48     void stop();

    49     void handleCameraEvent(int id, int error);

    50     QPixmap snapshot();

    51 

    52 private:

    53     CxeSnapshotControl *q;

    54     CxeCameraDevice &mDevice;

    55 

    56     friend class CxeSnapshotControl;

    57 };

    58 

    59 #endif // CXESNAPSHOTCONTROLPRIVATE_H