LCOV - code coverage report
Current view: directory - uriloader/exthandler/unix - nsGNOMERegistry.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 81 52 64.2 %
Date: 2012-06-02 Functions: 5 4 80.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the GNOME helper app implementation.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * IBM Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2003
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *  Brian Ryner <bryner@brianryner.com>  (Original Author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "nsGNOMERegistry.h"
      40                 : #include "prlink.h"
      41                 : #include "prmem.h"
      42                 : #include "nsString.h"
      43                 : #include "nsIComponentManager.h"
      44                 : #include "nsILocalFile.h"
      45                 : #include "nsMIMEInfoUnix.h"
      46                 : #include "nsAutoPtr.h"
      47                 : #include "nsIGConfService.h"
      48                 : #include "nsIGnomeVFSService.h"
      49                 : #include "nsIGIOService.h"
      50                 : 
      51                 : #ifdef MOZ_WIDGET_GTK2
      52                 : #include <glib.h>
      53                 : #include <glib-object.h>
      54                 : #endif
      55                 : 
      56                 : #ifdef MOZ_PLATFORM_MAEMO
      57                 : #include <libintl.h>
      58                 : #endif
      59                 : 
      60                 : /* static */ bool
      61              28 : nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
      62                 : {
      63              56 :   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
      64              56 :   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
      65              28 :   if (giovfs) {
      66               0 :     nsCOMPtr<nsIGIOMimeApp> app;
      67               0 :     if (NS_FAILED(giovfs->GetAppForURIScheme(nsDependentCString(aProtocolScheme),
      68                 :                                              getter_AddRefs(app))))
      69               0 :       return false;
      70                 :     else
      71               0 :       return true;
      72              28 :   } else if (gconf) {
      73                 :     bool isEnabled;
      74              56 :     nsCAutoString handler;
      75              28 :     if (NS_FAILED(gconf->GetAppForProtocol(nsDependentCString(aProtocolScheme), &isEnabled, handler)))
      76               0 :       return false;
      77                 : 
      78              28 :     return isEnabled;
      79                 :   }
      80                 : 
      81               0 :   return false;
      82                 : }
      83                 : 
      84                 : // XXX Check HandlerExists() before calling LoadURL.
      85                 : //
      86                 : // If there is not a registered handler for the protocol, gnome_url_show()
      87                 : // falls back to using gnomevfs modules.  See bug 389632.  We don't want
      88                 : // this fallback to happen as we are not sure of the safety of all gnomevfs
      89                 : // modules and MIME-default applications.  (gnomevfs should be handled in
      90                 : // nsGnomeVFSProtocolHandler.)
      91                 : 
      92                 : /* static */ nsresult
      93               0 : nsGNOMERegistry::LoadURL(nsIURI *aURL)
      94                 : {
      95               0 :   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
      96               0 :   if (giovfs)
      97               0 :     return giovfs->ShowURI(aURL);
      98                 : 
      99               0 :   nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
     100               0 :   if (gnomevfs)
     101               0 :     return gnomevfs->ShowURI(aURL);
     102                 : 
     103               0 :   return NS_ERROR_FAILURE;
     104                 : }
     105                 : 
     106                 : /* static */ void
     107               9 : nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
     108                 :                                      nsAString& aDesc)
     109                 : {
     110              18 :   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
     111              18 :   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
     112               9 :   if (!gconf && !giovfs)
     113                 :     return;
     114                 : 
     115              18 :   nsCAutoString name;
     116               9 :   if (giovfs) {
     117               0 :     nsCOMPtr<nsIGIOMimeApp> app;
     118               0 :     if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
     119                 :       return;
     120                 : 
     121               0 :     app->GetName(name);
     122                 :   } else {
     123                 :     bool isEnabled;
     124               9 :     if (NS_FAILED(gconf->GetAppForProtocol(aScheme, &isEnabled, name)))
     125                 :       return;
     126                 : 
     127               9 :     if (!name.IsEmpty()) {
     128                 :       // Try to only provide the executable name, as it is much simpler than with the path and arguments
     129               9 :       PRInt32 firstSpace = name.FindChar(' ');
     130               9 :       if (firstSpace != kNotFound) {
     131               9 :         name.Truncate(firstSpace);
     132               9 :         PRInt32 lastSlash = name.RFindChar('/');
     133               9 :         if (lastSlash != kNotFound) {
     134               0 :           name.Cut(0, lastSlash + 1);
     135                 :         }
     136                 :       }
     137                 :     }
     138                 :   }
     139                 : 
     140              18 :   CopyUTF8toUTF16(name, aDesc);
     141                 : }
     142                 : 
     143                 : 
     144                 : /* static */ already_AddRefed<nsMIMEInfoBase>
     145              62 : nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt)
     146                 : {
     147             124 :   nsCAutoString mimeType;
     148             124 :   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
     149                 : 
     150              62 :   if (giovfs) {
     151                 :     // Get the MIME type from the extension, then call GetFromType to
     152                 :     // fill in the MIMEInfo.
     153               0 :     if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
     154               0 :         mimeType.EqualsLiteral("application/octet-stream")) {
     155               0 :       return nsnull;
     156                 :     }
     157                 :   } else {
     158                 :     /* Fallback to GnomeVFS */
     159             124 :     nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
     160              62 :     if (!gnomevfs)
     161               0 :       return nsnull;
     162                 : 
     163             124 :     if (NS_FAILED(gnomevfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
     164              62 :         mimeType.EqualsLiteral("application/octet-stream"))
     165              43 :       return nsnull;
     166                 :   }
     167                 : 
     168              19 :   return GetFromType(mimeType);
     169                 : }
     170                 : 
     171                 : /* static */ already_AddRefed<nsMIMEInfoBase>
     172              60 : nsGNOMERegistry::GetFromType(const nsACString& aMIMEType)
     173                 : {
     174             120 :   nsRefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
     175              60 :   NS_ENSURE_TRUE(mimeInfo, nsnull);
     176                 : 
     177             120 :   nsCAutoString name;
     178             120 :   nsCAutoString description;
     179                 : 
     180             120 :   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
     181              60 :   if (giovfs) {
     182               0 :     nsCOMPtr<nsIGIOMimeApp> gioHandlerApp;
     183               0 :     if (NS_FAILED(giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gioHandlerApp))) ||
     184               0 :         !gioHandlerApp) {
     185               0 :       return nsnull;
     186                 :     }
     187               0 :     gioHandlerApp->GetName(name);
     188               0 :     giovfs->GetDescriptionForMimeType(aMIMEType, description);
     189                 :   } else {
     190                 :     /* Fallback to GnomeVFS*/
     191             120 :     nsCOMPtr<nsIGnomeVFSService> gnomevfs = do_GetService(NS_GNOMEVFSSERVICE_CONTRACTID);
     192              60 :     if (!gnomevfs)
     193               0 :       return nsnull;
     194                 : 
     195             120 :     nsCOMPtr<nsIGnomeVFSMimeApp> gnomeHandlerApp;
     196             120 :     if (NS_FAILED(gnomevfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gnomeHandlerApp))) ||
     197              60 :         !gnomeHandlerApp) {
     198              18 :       return nsnull;
     199                 :     }
     200              42 :     gnomeHandlerApp->GetName(name);
     201             102 :     gnomevfs->GetDescriptionForMimeType(aMIMEType, description);
     202                 :   }
     203                 : 
     204                 : #ifdef MOZ_PLATFORM_MAEMO
     205                 :   // On Maemo/Hildon, GetName ends up calling gnome_vfs_mime_application_get_name,
     206                 :   // which happens to return a non-localized message-id for the application. To
     207                 :   // get the localized name for the application, we have to call dgettext with 
     208                 :   // the default maemo domain-name to try and translate the string into the operating 
     209                 :   // system's native language.
     210                 :   const char kDefaultTextDomain [] = "maemo-af-desktop";
     211                 :   nsCAutoString realName (dgettext(kDefaultTextDomain, PromiseFlatCString(name).get()));
     212                 :   mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(realName));
     213                 : #else
     214              42 :   mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name));
     215                 : #endif
     216              42 :   mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
     217              42 :   mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
     218                 : 
     219                 :   nsMIMEInfoBase* retval;
     220              42 :   NS_ADDREF((retval = mimeInfo));
     221              42 :   return retval;
     222                 : }

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