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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "drawresource.h" |
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17 #include "wstop.h" |
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18 #include <graphics/sgimage.h> |
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19 |
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20 |
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21 CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner) |
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22 : CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE) |
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23 { |
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24 } |
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25 |
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26 CWsDrawableSource::~CWsDrawableSource() |
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27 { |
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28 if (iDrawableSource && iDrawResource) |
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29 { |
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30 iDrawResource->CloseDrawableSource(iDrawableSource); |
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31 } |
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32 } |
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33 |
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34 void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams) |
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35 { |
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36 NewObjL(); |
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37 |
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38 CScreen* screen = NULL; |
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39 if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1)) |
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40 { |
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41 screen = CWsTop::Screen(aParams.iScreenNumber); |
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42 } |
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43 else |
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44 { |
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45 User::Leave(KErrArgument); |
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46 } |
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47 MWsScreen* pOI=screen; |
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48 CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>(); |
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49 if (!iDrawResource) |
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50 { |
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51 User::Leave(KErrNotSupported); |
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52 } |
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53 User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource)); |
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54 IncRefCount(); |
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55 } |
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56 |
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57 void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *) |
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58 { |
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59 switch(aOpcode) |
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60 { |
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61 case EWsDrawableSourceOpFree: |
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62 iFlags |= EWsClientHandleClosed; |
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63 DecRefCount(); |
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64 break; |
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65 default: |
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66 OwnerPanic(EWservPanicOpcode); |
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67 break; |
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68 } |
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69 } |
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70 |
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71 /* |
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72 CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it |
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73 */ |
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74 void CWsDrawableSource::CloseObject() |
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75 { |
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76 RemoveFromIndex(); |
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77 if (!(iFlags & EWsClientHandleClosed)) |
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78 { |
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79 DecRefCount(); |
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80 } |
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81 } |
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82 |
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83 void CWsDrawableSource::IncRefCount() |
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84 { |
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85 iRefCount++; |
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86 } |
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87 |
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88 void CWsDrawableSource::DecRefCount() |
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89 { |
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90 if (--iRefCount <= 0) |
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91 { |
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92 delete this; |
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93 } |
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94 } |
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95 |
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96 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const |
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97 { |
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98 ASSERT(iDrawResource); |
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99 MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>(); |
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100 if (drawResource == iDrawResource) |
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101 { |
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102 drawResource->DrawResource(iDrawableSource, aPos, aRotation); |
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103 } |
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104 } |
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105 |
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106 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const |
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107 { |
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108 ASSERT(iDrawResource); |
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109 MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>(); |
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110 if (drawResource == iDrawResource) |
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111 { |
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112 drawResource->DrawResource(iDrawableSource, aRect, aRotation); |
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113 } |
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114 } |
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115 |
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116 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const |
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117 { |
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118 ASSERT(iDrawResource); |
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119 MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>(); |
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120 if (drawResource == iDrawResource) |
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121 { |
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122 drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation); |
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123 } |
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124 } |
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125 |
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126 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const |
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127 { |
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128 ASSERT(iDrawResource); |
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129 MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>(); |
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130 if (drawResource == iDrawResource) |
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131 { |
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132 drawResource->DrawResource(iDrawableSource, aRect, aDes); |
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133 } |
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134 } |