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1 // Copyright (c) 1997-2009 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 the License "Symbian Foundation 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.symbianfoundation.org/legal/sfl-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 <f32file.h> |
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17 #include <apaflrec.h> |
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18 #include <apaid.h> |
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19 #include <apacmdln.h> |
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20 #include "APASTD.H" |
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21 #include "APGCLI.H" |
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22 |
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23 #ifdef USING_ECOM_RECOGS |
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24 #include <ecom/ecom.h> |
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25 #endif |
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26 |
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27 // |
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28 //CFileRecognizerExtension Class |
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29 // |
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30 //stores the destructor key to track the instance of ecom implementation class |
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31 class CFileRecognizerExtension : public CBase |
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32 { |
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33 public: |
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34 static CFileRecognizerExtension* NewL(TUid aDtorKey); |
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35 ~CFileRecognizerExtension(); |
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36 //returns the destructor key |
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37 TUid DestructorUid()const; |
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38 private: |
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39 CFileRecognizerExtension(TUid aDtorKey); |
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40 private: |
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41 //destructor key to track the instance of ecom implementation class |
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42 TUid iDtorKey; |
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43 }; |
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44 |
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45 // |
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46 // Class CApaFileRecognizer |
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47 // |
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48 |
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49 EXPORT_C CApaFileRecognizer::CApaFileRecognizer(RFs& aFs) |
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50 :iFs(aFs) |
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51 {} |
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52 |
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53 |
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54 EXPORT_C CApaFileRecognizer::~CApaFileRecognizer() |
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55 { |
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56 DestroyRecognizerList(); |
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57 delete iAppLocator; |
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58 //lint -esym(1740,CApaFileRecognizer::iFileRecognizerList) not directly freed - see DestroyRecognizerList() |
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59 } |
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60 |
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61 |
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62 EXPORT_C void CApaFileRecognizer::DestroyRecognizerList() |
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63 // this method exists to allow subclassers to destroy the list earlier if they wish |
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64 { |
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65 CApaFileRecognizerType* rec=iFileRecognizerList; |
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66 //delete one element after the other in the list |
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67 while (rec!=NULL ) |
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68 { |
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69 CApaFileRecognizerType* prev=NULL; |
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70 prev = rec; |
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71 rec=rec->iNext; |
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72 delete prev; |
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73 } |
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74 iFileRecognizerList=NULL; |
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75 } |
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76 |
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77 |
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78 EXPORT_C void CApaFileRecognizer::SetAppLocator(CApaAppLocator* aAppLocator) |
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79 // takes ownership of the locator |
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80 { |
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81 iAppLocator = aAppLocator; |
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82 } |
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83 |
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84 static TUidType UidTypeL(const TDesC& aFullFileName, const RFs& aFs) |
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85 { |
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86 _LIT(KSysBin, "\\sys\\bin\\"); |
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87 if (TParsePtrC(aFullFileName).Path().CompareF(KSysBin)==0) |
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88 { |
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89 RLoader loader; |
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90 User::LeaveIfError(loader.Connect()); |
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91 CleanupClosePushL(loader); |
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92 TPckgBuf<RLibrary::TInfo> dllInfo; |
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93 User::LeaveIfError(loader.GetInfo(aFullFileName, dllInfo)); |
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94 CleanupStack::PopAndDestroy(&loader); |
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95 return dllInfo().iUids; |
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96 } |
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97 TEntry entry; |
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98 User::LeaveIfError(aFs.Entry(aFullFileName,entry)); |
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99 return entry.iType; |
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100 } |
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101 |
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102 EXPORT_C CApaFileRecognizerType* CApaFileRecognizer::RecognizeFileL(const TDesC& aFullFileName,const TUidType* aUidType) |
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103 // Returns the specific recognizer if the file is recogized as a runnable file. or NULL if not. |
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104 // TUidType is optional, if not supplied it will be read from the file. |
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105 // Leaves, if any files required cannot be found or if OOM. |
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106 // Leaves with KErrNotSupported, if file cannot be recognized. |
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107 { |
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108 const TUidType uidType((aUidType!=NULL)? *aUidType: UidTypeL(aFullFileName, iFs)); |
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109 CApaFileRecognizerType* rec=iFileRecognizerList; |
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110 CApaFileRecognizerType::TRecognizedType type; |
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111 while (rec!=NULL) |
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112 { |
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113 type=rec->RecognizeFileL(iFs,aFullFileName,uidType); |
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114 if (type==CApaFileRecognizerType::EOtherFile) |
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115 { |
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116 rec=NULL; // Recognised but not runnable so stop search now |
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117 break; |
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118 } |
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119 if (type!=CApaFileRecognizerType::ENotRecognized) |
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120 { |
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121 break; |
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122 } |
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123 rec=rec->iNext; |
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124 } |
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125 if (rec==NULL) |
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126 { |
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127 User::Leave(KErrNotSupported); |
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128 } |
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129 return rec; |
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130 } |
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131 |
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132 EXPORT_C void CApaFileRecognizer::AddFileRecognizerType(CApaFileRecognizerType* aFileRecognizerType) |
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133 // Add given RecognizerType to the end of the recognizer list. |
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134 // Set's it's iFileRecognizer pointer to "this" - recognizers may call AppDataByUid |
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135 { |
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136 aFileRecognizerType->iNext=NULL; |
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137 aFileRecognizerType->iFileRecognizer=this; |
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138 CApaFileRecognizerType* rec=iFileRecognizerList; |
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139 if (rec==NULL) |
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140 iFileRecognizerList=aFileRecognizerType; |
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141 else |
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142 { |
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143 while (rec->iNext!=NULL) |
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144 rec=rec->iNext; |
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145 rec->iNext=aFileRecognizerType; |
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146 } |
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147 } |
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148 |
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149 |
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150 EXPORT_C TInt CApaFileRecognizer::RemoveFileRecognizerType(const CApaFileRecognizerType* aFileRecognizerType) |
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151 // remove the given recognizer from the list if it is not locked |
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152 // return an error code if removal failed |
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153 { |
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154 CApaFileRecognizerType* rec=iFileRecognizerList; |
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155 CApaFileRecognizerType* prev=NULL; |
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156 // find the recognizer in the list |
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157 while (rec!=NULL && rec!=aFileRecognizerType) |
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158 { |
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159 prev = rec; |
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160 rec=rec->iNext; |
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161 } |
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162 // did we find a match |
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163 if (!rec) |
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164 return KErrNotFound; |
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165 // is the matching recognizer locked |
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166 if (rec->Locked()) |
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167 return KErrLocked; |
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168 // remove the recognizer from the list, then delete it |
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169 if (prev) |
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170 prev->iNext = rec->iNext; |
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171 else |
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172 iFileRecognizerList = rec->iNext; |
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173 rec->iNext = NULL; |
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174 delete rec; |
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175 return KErrNone; |
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176 } |
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177 |
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178 |
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179 EXPORT_C CApaAppLocator* CApaFileRecognizer::AppLocator() const |
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180 { |
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181 __ASSERT_ALWAYS(iAppLocator,Panic(EPanicNoAppLocator)); |
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182 // |
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183 return iAppLocator; |
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184 } |
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185 |
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186 |
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187 // |
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188 // Class CApaFileRecognizerType |
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189 // |
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190 |
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191 EXPORT_C CApaFileRecognizerType::CApaFileRecognizerType():iFileRecognizerExtn(NULL) |
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192 { |
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193 } |
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194 |
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195 |
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196 EXPORT_C CApaFileRecognizerType::~CApaFileRecognizerType() |
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197 { |
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198 #ifdef USING_ECOM_RECOGS |
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199 //if ecom plugin is used destroy its implementation |
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200 if(iFileRecognizerExtn!=NULL) |
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201 { |
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202 REComSession::DestroyedImplementation(iFileRecognizerExtn->DestructorUid()); |
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203 delete iFileRecognizerExtn; |
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204 } |
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205 #else |
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206 iFileRecognizerExtn = NULL; |
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207 #endif |
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208 delete iCapabilityBuf; |
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209 delete iFullFileName; |
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210 iFileRecognizer = NULL; |
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211 iAppStarter = NULL; |
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212 iNext = NULL; |
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213 } |
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214 |
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215 EXPORT_C TThreadId CApaFileRecognizerType::AppRunL(const CApaCommandLine& aCommandLine) const |
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216 { |
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217 __ASSERT_ALWAYS(iAppStarter,Panic(EPanicNoAppStarter)); |
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218 // |
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219 return iAppStarter->StartAppL(aCommandLine); |
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220 } |
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221 |
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222 CApaFileRecognizerType::TRecognizedType CApaFileRecognizerType::RecognizeFileL(RFs& aFs,const TDesC& aFullFileName,TUidType aUidType) |
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223 { |
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224 // set the UID's and name |
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225 iFileType = aUidType[1]; |
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226 iAppUid = aUidType[2]; |
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227 delete iFullFileName; |
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228 iFullFileName = NULL; |
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229 iFullFileName = aFullFileName.AllocL(); |
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230 // |
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231 // see if we recognize it |
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232 iRecognizedType = ENotRecognized; |
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233 TRecognizedType type=DoRecognizeFileL(aFs,aUidType); |
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234 if (type==ENotRecognized) |
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235 { |
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236 delete iFullFileName; |
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237 iFullFileName=NULL; |
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238 } |
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239 else |
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240 { |
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241 if(!iCapabilityBuf) |
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242 { |
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243 // Actually, iCapabilityBuf is not needed anymore, but in order not to break BC, |
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244 // we must still support it (in case someone calls CApaFileRecognizerType::Capability). |
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245 iCapabilityBuf = new(ELeave) TApaAppCapabilityBuf; |
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246 iCapabilityBuf->FillZ(iCapabilityBuf->MaxLength()); |
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247 } |
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248 } |
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249 return type; |
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250 } |
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251 |
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252 |
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253 EXPORT_C void CApaFileRecognizerType::Capability(TDes8& aCapabilityBuf)const |
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254 { |
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255 __ASSERT_ALWAYS(iCapabilityBuf,Panic(EPanicCapabilityNotSet)); // capability has been called when no file has been recognized |
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256 // |
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257 TApaAppCapability::CopyCapability(aCapabilityBuf,*iCapabilityBuf); |
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258 } |
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259 |
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260 |
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261 EXPORT_C void CApaFileRecognizerType::Lock() |
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262 { |
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263 iLock++; |
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264 } |
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265 |
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266 |
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267 EXPORT_C void CApaFileRecognizerType::Unlock() |
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268 { |
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269 if (iLock>0) |
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270 iLock--; |
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271 } |
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272 |
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273 |
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274 TBool CApaFileRecognizerType::Locked()const |
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275 { |
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276 return (iLock>0); |
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277 } |
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278 |
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279 EXPORT_C void CApaFileRecognizerType::Reserved_1() |
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280 {} |
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281 |
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282 #ifdef USING_ECOM_RECOGS |
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283 // instantiate the ecom implementation class |
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284 EXPORT_C CApaFileRecognizerType* CApaFileRecognizerType::CreateFileRecognizerL(TUid aImplUid) |
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285 { |
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286 CApaFileRecognizerType* fileRecType = NULL; |
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287 TUid tempDtorKey = KNullUid; |
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288 fileRecType = static_cast<CApaFileRecognizerType*>(REComSession::CreateImplementationL(aImplUid, tempDtorKey)); |
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289 CleanupStack::PushL(fileRecType); |
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290 fileRecType->iFileRecognizerExtn=CFileRecognizerExtension::NewL(tempDtorKey); |
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291 CleanupStack::Pop(fileRecType); |
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292 return fileRecType; |
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293 } |
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294 #else |
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295 EXPORT_C CApaFileRecognizerType* CApaFileRecognizerType::CreateFileRecognizerL(TUid) |
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296 { |
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297 return NULL; |
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298 } |
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299 #endif |
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300 |
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301 CFileRecognizerExtension::CFileRecognizerExtension(TUid aDtorKey) |
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302 :iDtorKey(aDtorKey) |
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303 { |
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304 } |
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305 |
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306 CFileRecognizerExtension* CFileRecognizerExtension::NewL(TUid aDtorKey) |
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307 { |
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308 //instantiate CFileRecognizerExtension with the destructor key of the ecom implentation instance |
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309 CFileRecognizerExtension* self=new(ELeave) CFileRecognizerExtension(aDtorKey); |
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310 return self; |
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311 } |
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312 |
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313 CFileRecognizerExtension::~CFileRecognizerExtension() |
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314 { |
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315 } |
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316 |
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317 //returns the destructor key of the ecom implentation instance |
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318 TUid CFileRecognizerExtension::DestructorUid()const |
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319 { |
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320 return iDtorKey; |
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321 } |
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322 |
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323 // |
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324 // MApaAppStarter |
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325 // |
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326 |
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327 /** Constructor for MApaAppStarter. */ |
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328 EXPORT_C MApaAppStarter::MApaAppStarter() |
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329 { |
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330 } |
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331 |
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332 /** Reserved for future use */ |
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333 EXPORT_C void MApaAppStarter::MApaAppStarter_Reserved1() |
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334 { |
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335 } |
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336 |
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337 /** Reserved for future use */ |
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338 EXPORT_C void MApaAppStarter::MApaAppStarter_Reserved2() |
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339 { |
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340 } |