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1 /*=====================================================================
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2
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3 Copyright © 2007 Nokia Corporation. All rights reserved.
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4
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5 ======================================================================*/
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6
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7 #include "DemoCameraNotify.h"
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8 #include "DemoCamera.h"
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9
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10 enum TInternalState
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11 {
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12 EUninitialized = 0x00,
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13 EReserved = 0x01,
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14 EPowered = 0x02,
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15 EReady = 0x03
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16 };
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17
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18 CDemoCamera* CDemoCamera::NewL(const TSize& aSize, MDemoCameraNotify* aNotify)
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19 {
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20 CDemoCamera* self = new(ELeave) CDemoCamera(aSize);
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21 CleanupStack::PushL(self);
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22 self->ConstructL(aNotify);
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23 CleanupStack::Pop();
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24 return self;
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25 }
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26
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27 CDemoCamera::CDemoCamera(const TSize& aSize) :
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28 iState(EUninitialized),
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29 iSize(aSize),
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30 iCamera(NULL),
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31 iNotify(NULL)
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32 {
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33 }
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34
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35 void CDemoCamera::ConstructL(MDemoCameraNotify* aNotify)
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36 {
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37 iNotify = aNotify;
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38 iCamera = CCamera::NewL(*this, 0);
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39 }
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40
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41 CDemoCamera::~CDemoCamera()
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42 {
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43 iNotify = NULL;
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44 if(iState & EReady)
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45 {
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46 Release();
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47 }
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48 if(iCamera)
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49 {
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50 delete iCamera;
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51 iCamera = NULL;
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52 }
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53 }
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54
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55 void CDemoCamera::Acquire()
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56 {
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57 switch(iState)
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58 {
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59 case EUninitialized:
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60 iCamera->Reserve();
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61 break;
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62 case EReserved:
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63 iCamera->PowerOn();
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64 break;
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65 case EReady:
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66 iNotify->CameraReady();
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67 break;
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68 default:
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69 break;
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70 }
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71 }
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72
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73 void CDemoCamera::Release()
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74 {
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75 switch(iState)
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76 {
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77 case EReady:
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78 iCamera->PowerOff();
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79 iState &= ~EPowered;
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80 case EReserved:
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81 iCamera->Release();
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82 iState &= ~EReserved;
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83 case EUninitialized:
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84 default:
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85 break;
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86 }
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87 }
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88
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89 void CDemoCamera::StartFeedL()
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90 {
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91 iCamera->StartViewFinderBitmapsL(iSize);
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92 }
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93
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94 void CDemoCamera::StopFeed()
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95 {
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96 iCamera->StopViewFinder();
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97 }
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98
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99 void CDemoCamera::ReserveComplete(TInt /*aError*/)
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100 {
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101 iState |= EReserved;
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102 iCamera->PowerOn();
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103 }
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104
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105 void CDemoCamera::PowerOnComplete(TInt /*aError*/)
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106 {
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107 iState |= EPowered;
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108 iNotify->CameraReady();
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109 }
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110
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111 void CDemoCamera::ViewFinderFrameReady(CFbsBitmap& aFrame)
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112 {
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113 iNotify->SetCameraFrame(aFrame);
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114 }
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115
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116 void CDemoCamera::ImageReady(CFbsBitmap* /*aBitmap*/, HBufC8* /*aData*/, TInt /*aError*/)
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117 {
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118 }
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119
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120 void CDemoCamera::FrameBufferReady(MFrameBuffer* /*aFrameBuffer*/, TInt /*aError*/)
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121 {
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122 }
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