1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Visual class for alfred widget model. |
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15 This class queries the visual by name and ID. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 |
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22 //INCLUDES |
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23 |
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24 #include "alf/alfreferencetovisual.h" |
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25 #include <alf/alfwidgetcontrol.h> |
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26 #include <alf/alfvisual.h> |
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27 #include "alf/alfelement.h" |
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28 #include <osn/ustring.h> |
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29 #include <osn/osnnew.h> |
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30 #include <alf/alfexceptions.h> |
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31 |
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32 //using namespace osncore; |
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33 |
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34 namespace Alf |
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35 { |
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36 ////////////////////// CAlfReferenceToVisual ////////////////////// |
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37 |
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38 |
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39 // ============================ MEMBER FUNCTIONS =============================== |
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40 |
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41 OSN_EXPORT AlfReferenceToVisual* AlfReferenceToVisual::create( |
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42 const char *aElementName, |
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43 const char *aVisualName, |
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44 bool aUseDataID) |
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45 { |
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46 return new( EMM ) AlfReferenceToVisual( aElementName, aVisualName, aUseDataID ); |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // Description : Constructor |
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51 // --------------------------------------------------------------------------- |
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52 // |
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53 AlfReferenceToVisual::AlfReferenceToVisual(const char *aElementName, |
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54 const char *aVisualName, bool aUseDataID) |
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55 { |
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56 mUseDataID = aUseDataID; |
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57 mElementName = UString(aElementName); |
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58 mVisualName = UString(aVisualName); |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // Description : Class Destructor |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 OSN_EXPORT AlfReferenceToVisual::~AlfReferenceToVisual() |
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66 { |
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67 |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // Description :Find the referenced visual according to the given data ID. |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 OSN_EXPORT CAlfVisual *AlfReferenceToVisual::resolve(CAlfWidgetControl &aControl, unsigned int aDataID) |
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75 { |
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76 // Find the element. |
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77 CAlfVisual* visual = NULL; |
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78 IAlfElement *element = aControl.findElement(mElementName.getUtf8()); |
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79 if (element) |
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80 { |
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81 unsigned int dataID = aDataID; |
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82 |
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83 // Find the visual. |
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84 visual = element->findVisual(mVisualName.getUtf8(), dataID); |
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85 if (!visual) |
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86 { |
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87 // maybe global visual. |
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88 visual = element->findVisual(mVisualName.getUtf8(), 0); |
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89 } |
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90 } |
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91 return visual; |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // Description :Finds the referenced visual according to the given pointer. |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 OSN_EXPORT CAlfVisual *AlfReferenceToVisual::resolve(CAlfWidgetControl &aControl, CAlfVisual* aSourceVisual) |
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99 { |
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100 // Find the element. |
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101 CAlfVisual* visual = NULL; |
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102 //Get the element with the name stored herein |
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103 IAlfElement *element = aControl.findElement(mElementName.getUtf8()); |
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104 if (element) |
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105 { |
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106 //is passed visual part of the element |
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107 if (element->contains(*aSourceVisual)) |
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108 { |
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109 HBufC8 *buf8 = NULL; |
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110 TRAPD(error,buf8 = aSourceVisual->Tag().AllocL()); |
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111 if (error != KErrNone) |
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112 { |
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113 ALF_THROW(AlfVisualException,ECommonError,"AlfReferenceToVisual") |
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114 } |
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115 |
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116 UString sourceTag((const char*)buf8->Des().PtrZ()); |
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117 if (mVisualName.compare(sourceTag)==0) //Is this visual same as what was stored herein? |
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118 { |
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119 visual = aSourceVisual; |
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120 } |
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121 delete buf8; |
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122 } |
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123 } |
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124 return visual; |
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125 } |
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126 |
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127 } // namespace Alf |
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