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 CXEZOOMCONTROLDESKTOP_H

    19 #define CXEZOOMCONTROLDESKTOP_H

    20 

    21 #include "cxezoomcontrol.h"

    22 #include "cxestatemachine.h"

    23 #include "cxecameradevicecontrol.h"

    24 

    25 class CxeCameraDeviceControl;

    26 class CxeSettings;

    27 class CxeFeatureManager;

    28 

    29 class CxeZoomControlDesktop : public CxeZoomControl

    30 {

    31     Q_OBJECT

    32 

    33 public: // constructors

    34 

    35     CxeZoomControlDesktop(CxeCameraDeviceControl &cameraDeviceControl);

    36 

    37     virtual ~CxeZoomControlDesktop();

    38 

    39 public:

    40     // from CxeZoomControl

    41     CxeZoomControl::State state() const;

    42     int min() const;

    43     int max() const;

    44     void zoomTo(int value);

    45 

    46 protected slots:

    47 

    48     // Slot to react to still capture signal:

    49     // prepares the zoom control for still.

    50     void prepareZoomForStill(int ecamStillResolutionIndex);

    51     

    52     // Slot to react to video capture signal:

    53     // prepares the zoom control for video.

    54     void prepareZoomForVideo();

    55 

    56     // Slot to prepare for camera delete signal.

    57     void reset();

    58 

    59 private:

    60     // private member functions

    61     void init();

    62     void finalizeZoomPreparation(int error);

    63 

    64 private:

    65     // private data

    66 

    67     CxeCameraDeviceControl &mCameraDeviceControl;

    68 

    69     // Zoom levels

    70     int mCurrentZoomLevel;

    71     int mMinZoomLevel;

    72     int mMaxZoomLevel;

    73 

    74     // values ready from feature manager.

    75     QList<int> mStillMaxZoomLimits;

    76     QList<int> mVideoMaxZoomLimits;

    77 

    78     CxeZoomControl::State mState;

    79 };

    80 

    81 #endif // CXEZOOMCONTROLDESKTOP_H