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1 /* |
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2 * Copyright (c) 2002 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: Implementation of class CAknFileProviderIconManager. |
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15 * |
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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 // INCLUDE FILES |
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22 #include <mifconvdefs.h> |
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23 #include "AknFileProviderIconManager.h" |
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24 #include "AknIconUtils.h" |
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25 #include "AknBitmap.h" |
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26 #include "AknIconPanic.h" |
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27 #include "AknIconTraces.h" |
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28 |
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29 |
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30 // ============================ GLOBAL FUNCTIONS =============================== |
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31 |
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32 GLREF_C void CleanupFileProvider( TAny* aParam ) |
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33 { |
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34 static_cast<MAknIconFileProvider*>( aParam )->Finished(); |
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35 } |
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36 |
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37 // ============================ MEMBER FUNCTIONS =============================== |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CAknFileProviderIconManager::CAknFileProviderIconManager |
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41 // C++ default constructor can NOT contain any code, that |
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42 // might leave. |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CAknFileProviderIconManager::CAknFileProviderIconManager( |
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46 MAknIconFileProvider& aFileProvider, |
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47 const TInt16 aBitmapId, |
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48 const TInt16 aMaskId ) : |
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49 iFileProvider( aFileProvider ), iFileType( -1 ) |
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50 { |
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51 iBitmapId = aBitmapId; |
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52 iMaskId = aMaskId; |
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53 } |
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54 |
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55 CAknFileProviderIconManager* CAknFileProviderIconManager::NewL( |
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56 MAknIconFileProvider& aFileProvider, |
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57 const TInt16 aBitmapId, |
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58 const TInt16 aMaskId ) |
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59 { |
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60 // Make sure that MAknIconFileProvider::Finished is called if manager creation fails. |
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61 CleanupStack::PushL( TCleanupItem( CleanupFileProvider, &aFileProvider ) ); |
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62 |
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63 CAknFileProviderIconManager* self = new( ELeave ) |
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64 CAknFileProviderIconManager( aFileProvider, aBitmapId, aMaskId ); |
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65 |
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66 // From now on, MAknIconFileProvider::Finished is called by |
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67 // CAknFileProviderIconManager destructor. |
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68 |
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69 CleanupStack::Pop(); // CleanupFileProvider |
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70 |
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71 CleanupStack::PushL( self ); |
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72 self->ConstructL(); |
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73 CleanupStack::Pop(); |
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74 return self; |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CAknFileProviderIconManager::ConstructL |
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79 // Symbian 2nd phase constructor can leave. |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 void CAknFileProviderIconManager::ConstructL() |
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83 { |
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84 FileHandleL( MAknIconFileProvider::EMifFile ); |
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85 |
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86 // Verify the file name and store information of it. |
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87 TFileName name; |
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88 User::LeaveIfError( iFile.FullName( name ) ); // This causes a server call. |
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89 |
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90 #ifdef __AKNICON_TRACES |
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91 RDebug::Print( _L("AknIcon: %x CAknFileProviderIconManager::ConstructL - iFile: %S"), this, &name); |
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92 #endif |
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93 // Test that the given file has the correct extension. |
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94 if ( name.Length() <= KExtensionLength ) |
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95 { |
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96 User::Leave( KErrArgument ); |
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97 } |
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98 |
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99 if ( name.Right( KExtensionLength ).CompareF( KMifExtension ) ) |
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100 { |
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101 User::Leave( KErrArgument ); |
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102 } |
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103 |
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104 InitIconFileNameL(name); |
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105 } |
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106 |
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107 // Destructor |
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108 CAknFileProviderIconManager::~CAknFileProviderIconManager() |
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109 { |
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110 iFile.Close(); |
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111 |
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112 // Informs the file provider object that it is not needed any more. |
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113 // It is the responsibility of its implementation to take care of |
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114 // deleting self. |
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115 iFileProvider.Finished(); |
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116 } |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CAknFileProviderIconManager::LoadBitmapIconL |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 void CAknFileProviderIconManager::LoadBitmapIconL() |
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123 { |
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124 RFile* file = FileHandleL( MAknIconFileProvider::EMbmFile ); |
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125 |
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126 User::LeaveIfError( iBitmap->Load( *file, iBitmapId ) ); |
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127 |
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128 if ( iMask ) |
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129 { |
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130 User::LeaveIfError( iMask->Load( *file, iMaskId ) ); |
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131 } |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CAknFileProviderIconManager::FileHandleL |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 RFile* CAknFileProviderIconManager::FileHandleL( |
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139 MAknIconFileProvider::TIconFileType aType ) |
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140 { |
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141 if ( !iFile.SubSessionHandle() || iFileType != aType ) |
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142 { |
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143 iFile.Close(); |
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144 iFileType = -1; |
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145 iFileProvider.RetrieveIconFileHandleL( iFile, aType ); |
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146 iFileType = aType; |
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147 #ifdef _DEBUG |
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148 // Verify that the file name has not changed after calling ConstructL |
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149 if (iFileName) |
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150 { |
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151 TFileName origname, currname; |
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152 GetFullFileName( origname ); |
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153 User::LeaveIfError( iFile.FullName( currname ) ); |
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154 if (origname.Length() < KExtensionLength || |
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155 currname.Length() < KExtensionLength || |
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156 (origname.SetLength( origname.Length() - KExtensionLength ), |
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157 currname.SetLength( currname.Length() - KExtensionLength ), |
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158 origname.CompareF(currname))) |
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159 { |
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160 User::Panic( KAknIconPanicCategory, EFileProviderCorrupt ); |
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161 } |
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162 } |
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163 #endif |
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164 } |
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165 |
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166 return &iFile; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CAknFileProviderIconManager::ReleaseFileHandle |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void CAknFileProviderIconManager::ReleaseFileHandle() |
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174 { |
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175 CAknIconManager::ReleaseFileHandle(); |
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176 iFile.Close(); |
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177 } |
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178 |
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179 // End of File |