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 CxeSnapshotControl;

    27 class CxeCameraDevice;

    28 

    29 

    30 /*!

    31 * Snapshot control private implementation.

    32 */

    33 class CxeSnapshotControlPrivate : public CxeStateMachine

    34 {

    35 private:

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

    37     virtual ~CxeSnapshotControlPrivate();

    38 

    39 protected: // from CxeStateMachine

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

    41 

    42 private:

    43     CxeSnapshotControl::State state() const;

    44     void initializeStates();

    45     QSize calculateSnapshotSize(const QSize &displaySize, Cxe::AspectRatio aspectRatio) const;

    46     void start(const QSize &size);

    47     void stop();

    48     void handleCameraEvent(int id, int error);

    49     QImage snapshot();

    50 

    51 private:

    52     CxeSnapshotControl *q;

    53     CxeCameraDevice &mDevice;

    54 

    55     friend class CxeSnapshotControl;

    56 };

    57 

    58 #endif // CXESNAPSHOTCONTROLPRIVATE_H