uriloader/exthandler/unix/nsMIMEInfoUnix.cpp

   1 /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsMIMEInfoUnix.h"
   8 #include "nsGNOMERegistry.h"
   9 #include "nsIGIOService.h"
  10 #include "nsNetCID.h"
  11 #include "nsIIOService.h"
  12 #include "nsLocalFile.h"
  13
  14 #ifdef MOZ_ENABLE_DBUS
  15 #  include "nsDBusHandlerApp.h"
  16 #endif
  17
  18 nsresult nsMIMEInfoUnix::LoadUriInternal(nsIURI* aURI) {
  19   return nsGNOMERegistry::LoadURL(aURI);
  20 }
  21
  22 NS_IMETHODIMP nsMIMEInfoUnix::GetDefaultExecutable(nsIFile** aExecutable) {
  23   // This needs to be implemented before FirefoxBridge will work on Linux.
  24   // To implement this and be consistent, GetHasDefaultHandler and
  25   // LaunchDefaultWithFile should probably be made to be consistent.
  26   // Right now, they aren't. GetHasDefaultHandler reports true in cases
  27   // where calling LaunchDefaultWithFile will fail due to not finding the
  28   // right executable.
  29
  30   return NS_ERROR_NOT_IMPLEMENTED;
  31 }
  32
  33 NS_IMETHODIMP
  34 nsMIMEInfoUnix::GetHasDefaultHandler(bool* _retval) {
  35   // if a default app is set, it means the application has been set from
  36   // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
  37   // give the GNOME answer.
  38   if (GetDefaultApplication()) {
  39     return nsMIMEInfoImpl::GetHasDefaultHandler(_retval);
  40   }
  41
  42   *_retval = false;
  43
  44   if (mClass == eProtocolInfo) {
  45     *_retval = nsGNOMERegistry::HandlerExists(mSchemeOrType.get());
  46   } else {
  47     RefPtr<nsMIMEInfoBase> mimeInfo =
  48         nsGNOMERegistry::GetFromType(mSchemeOrType);
  49     if (!mimeInfo) {
  50       nsAutoCString ext;
  51       nsresult rv = GetPrimaryExtension(ext);
  52       if (NS_SUCCEEDED(rv)) {
  53         mimeInfo = nsGNOMERegistry::GetFromExtension(ext);
  54       }
  55     }
  56     if (mimeInfo) *_retval = true;
  57   }
  58
  59   if (*_retval) return NS_OK;
  60
  61   return NS_OK;
  62 }
  63
  64 nsresult nsMIMEInfoUnix::LaunchDefaultWithFile(nsIFile* aFile) {
  65   // if a default app is set, it means the application has been set from
  66   // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
  67   // give the GNOME answer.
  68   if (GetDefaultApplication()) {
  69     return nsMIMEInfoImpl::LaunchDefaultWithFile(aFile);
  70   }
  71
  72   nsAutoCString nativePath;
  73   aFile->GetNativePath(nativePath);
  74
  75   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
  76   if (!giovfs) {
  77     return NS_ERROR_FAILURE;
  78   }
  79
  80   // nsGIOMimeApp->Launch wants a URI string instead of local file
  81   nsresult rv;
  82   nsCOMPtr<nsIIOService> ioservice =
  83       do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
  84   NS_ENSURE_SUCCESS(rv, rv);
  85   nsCOMPtr<nsIURI> uri;
  86   rv = ioservice->NewFileURI(aFile, getter_AddRefs(uri));
  87   NS_ENSURE_SUCCESS(rv, rv);
  88
  89   nsCOMPtr<nsIHandlerApp> app;
  90   if (NS_FAILED(
  91           giovfs->GetAppForMimeType(mSchemeOrType, getter_AddRefs(app))) ||
  92       !app) {
  93     return NS_ERROR_FILE_NOT_FOUND;
  94   }
  95
  96   return app->LaunchWithURI(uri, nullptr);
  97 }