1 /*

     2 * Copyright (c) 2007 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:  Emulator version of CCamera*

    15 */

    16 

    17 

    18 

    19 #ifndef CAMCAMERACALLBACK_H

    20 #define CAMCAMERACALLBACK_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <fbs.h>

    25 

    26 class CCameraappTestBitmapManager; 

    27 class MCameraObserver;

    28 

    29 

    30 class CCamCameraCallBack : public CActive

    31     {

    32     public:  // Constructors and destructor

    33         

    34         /**

    35         * Two-phased constructor.

    36         */

    37         static CCamCameraCallBack* NewL( MCameraObserver& aController );

    38         

    39         /**

    40         * Destructor.

    41         */

    42         virtual ~CCamCameraCallBack();

    43 

    44     public: // Functions from CActive

    45 

    46         // void Cancel();

    47 

    48     public: // New Methods

    49 

    50         /**

    51         * Complete reserve request.

    52         */

    53         void ReserveCompleteRequest( const TInt aError );

    54         

    55         /**

    56         * Complete power-on request.

    57         */

    58         void PowerOnCompleteRequest( const TInt aError );

    59         

    60         /**

    61         * Prepare for Still capture

    62         */

    63         void StillPrepareComplete();

    64 

    65         /**

    66         * Initiate Still Image Capture

    67         */

    68         void SendViewFinderFrames();

    69         

    70         /**

    71         * Stop Sending View Finder Frames

    72         */

    73         void StopViewFinderFrames();

    74         

    75         /**

    76         * Capture Image and Call MCameraObserver::ImageReady .

    77         */

    78         void RequestCaptureImage();

    79 

    80     private: // New Methods

    81 

    82         /*

    83         * Constructor

    84         */ 

    85         CCamCameraCallBack( MCameraObserver& aController );

    86         

    87         // 2nd phase constructor

    88         void ConstructL( );

    89         

    90         // We call SetActive and check the handling of all requests

    91         void SetActiveAndCompleteRequest();

    92         

    93         // Complete Reserve request by calling MCameraObserver::ReserveComplete

    94         void DoReserveComplete();

    95 

    96         // Complete Reserve request by calling MCameraObserver::PowerOnComplete

    97         void DoPowerOnComplete();

    98         

    99         void DoStillPrepareComplete();

   100 

   101         // Transfer view finder frames request by calling MCameraObserver::ViewFinderFrameReady

   102         void DoViewFinderFrame();

   103 

   104         // Complete Reserve request by calling MCameraObserver::ImageReady

   105         void DoCaptureImageL();

   106         

   107         void Reset();

   108         

   109 

   110         /**

   111         * Cancels the active object

   112         */

   113         void DoCancel();

   114         

   115         /*

   116         * All requests are handled one by one in this method 

   117         */

   118         void RunL();

   119 

   120     private:

   121         MCameraObserver& iController;

   122         

   123         CCameraappTestBitmapManager* iBitmapManager;

   124         // Request complete status flags

   125         TBool iStillPrepareComplete;

   126         TBool iReserveComplete;

   127         TBool iPowerOnComplete;

   128         TBool iCaptureImage;

   129         TBool iViewFinderFrame;

   130         

   131         // Errors caused during request

   132         TInt iReserveError;

   133         TInt iPowerOnError; 

   134     };

   135 

   136 #endif      // CAMCAMERACALLBACKACTIVE_H

   137