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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #include "nsGNOMERegistry.h" |
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7 #include "nsString.h" |
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8 #include "nsIComponentManager.h" |
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9 #include "nsIFile.h" |
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10 #include "nsMIMEInfoUnix.h" |
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11 #include "nsAutoPtr.h" |
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12 #include "nsIGConfService.h" |
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13 #include "nsIGnomeVFSService.h" |
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14 #include "nsIGIOService.h" |
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15 |
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16 #ifdef MOZ_WIDGET_GTK |
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17 #include <glib.h> |
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18 #include <glib-object.h> |
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19 #endif |
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20 |
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21 /* static */ bool |
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22 nsGNOMERegistry::HandlerExists(const char *aProtocolScheme) |
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23 { |
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24 nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); |
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25 nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); |
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26 if (giovfs) { |
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27 nsCOMPtr<nsIGIOMimeApp> app; |
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28 if (NS_FAILED(giovfs->GetAppForURIScheme(nsDependentCString(aProtocolScheme), |
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29 getter_AddRefs(app)))) |
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30 return false; |
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31 else |
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32 return true; |
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33 } else if (gconf) { |
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34 bool isEnabled; |
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35 nsAutoCString handler; |
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36 if (NS_FAILED(gconf->GetAppForProtocol(nsDependentCString(aProtocolScheme), &isEnabled, handler))) |
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37 return false; |
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38 |
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39 return isEnabled; |
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40 } |
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41 |
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42 return false; |
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43 } |
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44 |
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45 // XXX Check HandlerExists() before calling LoadURL. |
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46 // |
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47 // If there is not a registered handler for the protocol, gnome_url_show() |
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48 // falls back to using gnomevfs modules. See bug 389632. We don't want |
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49 // this fallback to happen as we are not sure of the safety of all gnomevfs |
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50 // modules and MIME-default applications. (gnomevfs should be handled in |
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51 // nsGnomeVFSProtocolHandler.) |
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52 |
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53 /* static */ nsresult |
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54 nsGNOMERegistry::LoadURL(nsIURI *aURL) |
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55 { |
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56 nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); |
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57 if (giovfs) |
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58 return giovfs->ShowURI(aURL); |
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59 |
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60 nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID); |
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61 if (gnomevfs) |
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62 return gnomevfs->ShowURI(aURL); |
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63 |
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64 return NS_ERROR_FAILURE; |
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65 } |
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66 |
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67 /* static */ void |
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68 nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme, |
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69 nsAString& aDesc) |
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70 { |
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71 nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); |
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72 nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); |
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73 if (!gconf && !giovfs) |
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74 return; |
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75 |
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76 nsAutoCString name; |
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77 if (giovfs) { |
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78 nsCOMPtr<nsIGIOMimeApp> app; |
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79 if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app)))) |
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80 return; |
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81 |
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82 app->GetName(name); |
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83 } else { |
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84 bool isEnabled; |
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85 if (NS_FAILED(gconf->GetAppForProtocol(aScheme, &isEnabled, name))) |
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86 return; |
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87 |
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88 if (!name.IsEmpty()) { |
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89 // Try to only provide the executable name, as it is much simpler than with the path and arguments |
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90 int32_t firstSpace = name.FindChar(' '); |
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91 if (firstSpace != kNotFound) { |
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92 name.Truncate(firstSpace); |
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93 int32_t lastSlash = name.RFindChar('/'); |
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94 if (lastSlash != kNotFound) { |
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95 name.Cut(0, lastSlash + 1); |
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96 } |
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97 } |
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98 } |
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99 } |
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100 |
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101 CopyUTF8toUTF16(name, aDesc); |
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102 } |
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103 |
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104 |
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105 /* static */ already_AddRefed<nsMIMEInfoBase> |
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106 nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt) |
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107 { |
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108 nsAutoCString mimeType; |
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109 nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); |
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110 |
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111 if (giovfs) { |
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112 // Get the MIME type from the extension, then call GetFromType to |
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113 // fill in the MIMEInfo. |
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114 if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) || |
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115 mimeType.EqualsLiteral("application/octet-stream")) { |
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116 return nullptr; |
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117 } |
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118 } else { |
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119 /* Fallback to GnomeVFS */ |
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120 nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID); |
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121 if (!gnomevfs) |
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122 return nullptr; |
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123 |
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124 if (NS_FAILED(gnomevfs->GetMimeTypeFromExtension(aFileExt, mimeType)) || |
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125 mimeType.EqualsLiteral("application/octet-stream")) |
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126 return nullptr; |
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127 } |
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128 |
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129 nsRefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType); |
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130 if (mi) { |
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131 mi->AppendExtension(aFileExt); |
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132 } |
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133 |
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134 return mi.forget(); |
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135 } |
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136 |
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137 /* static */ already_AddRefed<nsMIMEInfoBase> |
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138 nsGNOMERegistry::GetFromType(const nsACString& aMIMEType) |
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139 { |
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140 nsRefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType); |
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141 NS_ENSURE_TRUE(mimeInfo, nullptr); |
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142 |
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143 nsAutoCString name; |
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144 nsAutoCString description; |
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145 |
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146 nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); |
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147 if (giovfs) { |
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148 nsCOMPtr<nsIGIOMimeApp> gioHandlerApp; |
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149 if (NS_FAILED(giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gioHandlerApp))) || |
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150 !gioHandlerApp) { |
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151 return nullptr; |
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152 } |
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153 gioHandlerApp->GetName(name); |
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154 giovfs->GetDescriptionForMimeType(aMIMEType, description); |
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155 } else { |
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156 /* Fallback to GnomeVFS*/ |
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157 nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID); |
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158 if (!gnomevfs) |
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159 return nullptr; |
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160 |
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161 nsCOMPtr<nsIGnomeVFSMimeApp> gnomeHandlerApp; |
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162 if (NS_FAILED(gnomevfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gnomeHandlerApp))) || |
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163 !gnomeHandlerApp) { |
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164 return nullptr; |
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165 } |
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166 gnomeHandlerApp->GetName(name); |
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167 gnomevfs->GetDescriptionForMimeType(aMIMEType, description); |
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168 } |
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169 |
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170 mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name)); |
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171 mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault); |
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172 mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description)); |
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173 |
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174 return mimeInfo.forget(); |
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175 } |