예제 #1
0
NS_IMETHODIMP
nsMIMEInfoUnix::GetHasDefaultHandler(bool *_retval)
{
  // if mDefaultApplication is set, it means the application has been set from
  // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
  // give the GNOME answer.
  if (mDefaultApplication)
    return nsMIMEInfoImpl::GetHasDefaultHandler(_retval);

  *_retval = false;
  nsRefPtr<nsMIMEInfoBase> mimeInfo = nsGNOMERegistry::GetFromType(mSchemeOrType);
  if (!mimeInfo) {
    nsAutoCString ext;
    nsresult rv = GetPrimaryExtension(ext);
    if (NS_SUCCEEDED(rv)) {
      mimeInfo = nsGNOMERegistry::GetFromExtension(ext);
    }
  }
  if (mimeInfo)
    *_retval = true;

  if (*_retval)
    return NS_OK;

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
  HildonURIAction *action = hildon_uri_get_default_action(mSchemeOrType.get(), nullptr);
  if (action) {
    *_retval = true;
    hildon_uri_action_unref(action);
    return NS_OK;
  }
#endif

#if defined(MOZ_ENABLE_CONTENTACTION)
  ContentAction::Action action = 
    ContentAction::Action::defaultActionForFile(QUrl(), QString(mSchemeOrType.get()));
  if (action.isValid()) {
    *_retval = true;
    return NS_OK;
  }
#endif

  return NS_OK;
}
예제 #2
0
NS_IMETHODIMP
nsMIMEInfoUnix::GetHasDefaultHandler(bool *_retval)
{
  *_retval = PR_FALSE;
  nsRefPtr<nsMIMEInfoBase> mimeInfo = nsGNOMERegistry::GetFromType(mSchemeOrType);
  if (!mimeInfo) {
    nsCAutoString ext;
    nsresult rv = GetPrimaryExtension(ext);
    if (NS_SUCCEEDED(rv)) {
      mimeInfo = nsGNOMERegistry::GetFromExtension(ext);
    }
  }
  if (mimeInfo)
    *_retval = PR_TRUE;

  if (*_retval)
    return NS_OK;

#if (MOZ_PLATFORM_MAEMO == 5) && defined (MOZ_ENABLE_GNOMEVFS)
  HildonURIAction *action = hildon_uri_get_default_action(mSchemeOrType.get(), nsnull);
  if (action) {
    *_retval = PR_TRUE;
    hildon_uri_action_unref(action);
    return NS_OK;
  }
#endif

#if defined(MOZ_ENABLE_CONTENTACTION)
  ContentAction::Action action = 
    ContentAction::Action::defaultActionForFile(QUrl(), QString(mSchemeOrType.get()));
  if (action.isValid()) {
    *_retval = PR_TRUE;
    return NS_OK;
  }
#endif

  // If we didn't find a VFS handler, fallback.
  return nsMIMEInfoImpl::GetHasDefaultHandler(_retval);
}
예제 #3
0
/** 
 * Returns a list of nsILocalHandlerApp objects containing local 
 * handlers associated with this mimeinfo. Implemented per 
 * platform using information in this object to generate the
 * best list. Typically used for an "open with" style user 
 * option.
 * 
 * @return nsIArray of nsILocalHandlerApp
 */
NS_IMETHODIMP
nsMIMEInfoWin::GetPossibleLocalHandlers(nsIArray **_retval)
{
  nsresult rv;

  *_retval = nsnull;

  nsCOMPtr<nsIMutableArray> appList =
    do_CreateInstance("@mozilla.org/array;1");

  if (!appList)
    return NS_ERROR_FAILURE;

  nsTArray<nsString> trackList;

  nsCAutoString fileExt;
  GetPrimaryExtension(fileExt);

  nsCOMPtr<nsIWindowsRegKey> regKey =
    do_CreateInstance("@mozilla.org/windows-registry-key;1");
  if (!regKey) 
    return NS_ERROR_FAILURE; 
  nsCOMPtr<nsIWindowsRegKey> appKey =
    do_CreateInstance("@mozilla.org/windows-registry-key;1");
  if (!appKey) 
    return NS_ERROR_FAILURE; 

  nsAutoString workingRegistryPath;

  bool extKnown = false;
  if (fileExt.IsEmpty()) {
    extKnown = true;
    // Mime type discovery is possible in some cases, through 
    // HKEY_CLASSES_ROOT\MIME\Database\Content Type, however, a number
    // of file extensions related to mime type are simply not defined,
    // (application/rss+xml & application/atom+xml are good examples)
    // in which case we can only provide a generic list.
    nsCAutoString mimeType;
    GetMIMEType(mimeType);
    if (!mimeType.IsEmpty()) {
      workingRegistryPath.AppendLiteral("MIME\\Database\\Content Type\\");
      workingRegistryPath.Append(NS_ConvertASCIItoUTF16(mimeType));
            
      rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                        workingRegistryPath,
                        nsIWindowsRegKey::ACCESS_QUERY_VALUE);
      if(NS_SUCCEEDED(rv)) {
        nsAutoString mimeFileExt;
        if (NS_SUCCEEDED(regKey->ReadStringValue(EmptyString(), mimeFileExt))) {
          CopyUTF16toUTF8(mimeFileExt, fileExt);
          extKnown = false;
        }
      }
    }
  }

  nsAutoString fileExtToUse;
  if (fileExt.First() != '.')
    fileExtToUse = PRUnichar('.');
  fileExtToUse.Append(NS_ConvertUTF8toUTF16(fileExt));

  // Note, the order in which these occur has an effect on the 
  // validity of the resulting display list.

  if (!extKnown) {
    // 1) Get the default handler if it exists
    workingRegistryPath = fileExtToUse;

    rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                      workingRegistryPath,
                      nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      nsAutoString appProgId;
      if (NS_SUCCEEDED(regKey->ReadStringValue(EmptyString(), appProgId))) {
        // Bug 358297 - ignore the embedded internet explorer handler
        if (appProgId != NS_LITERAL_STRING("XPSViewer.Document")) {
          nsAutoString appFilesystemCommand;
          if (GetProgIDVerbCommandHandler(appProgId,
                                          appFilesystemCommand,
                                          false) &&
              !IsPathInList(appFilesystemCommand, trackList)) {
            ProcessPath(appList, trackList, appFilesystemCommand);
          }
        }
      }
      regKey->Close();
    }


    // 2) list HKEY_CLASSES_ROOT\.ext\OpenWithList\ 
    
    workingRegistryPath = fileExtToUse;
    workingRegistryPath.AppendLiteral("\\OpenWithList");

    rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                      workingRegistryPath,
                      nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      PRUint32 count = 0;
      if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
        for (PRUint32 index = 0; index < count; index++) {
          nsAutoString appName;
          if (NS_FAILED(regKey->GetValueName(index, appName)))
            continue;

          // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
          nsAutoString appFilesystemCommand;
          if (!GetAppsVerbCommandHandler(appName,
                                         appFilesystemCommand,
                                         false) ||
              IsPathInList(appFilesystemCommand, trackList))
            continue;
          ProcessPath(appList, trackList, appFilesystemCommand);
        }
      }
      regKey->Close();
    }


    // 3) List HKEY_CLASSES_ROOT\.ext\OpenWithProgids, with the
    // different step of resolving the progids for the command handler.

    workingRegistryPath = fileExtToUse;
    workingRegistryPath.AppendLiteral("\\OpenWithProgids");

    rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                      workingRegistryPath,
                      nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      PRUint32 count = 0;
      if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
        for (PRUint32 index = 0; index < count; index++) {
          // HKEY_CLASSES_ROOT\.ext\OpenWithProgids\Windows.XPSReachViewer
          nsAutoString appProgId;
          if (NS_FAILED(regKey->GetValueName(index, appProgId)))
            continue;

          nsAutoString appFilesystemCommand;
          if (!GetProgIDVerbCommandHandler(appProgId,
                                           appFilesystemCommand,
                                           false) ||
              IsPathInList(appFilesystemCommand, trackList))
            continue;
          ProcessPath(appList, trackList, appFilesystemCommand);
        }
      }
      regKey->Close();
    }


    // 4) Add any non configured applications located in the MRU list

    // HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
    // Explorer\FileExts\.ext\OpenWithList
    workingRegistryPath =
      NS_LITERAL_STRING("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\");
    workingRegistryPath += fileExtToUse;
    workingRegistryPath.AppendLiteral("\\OpenWithList");

    rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
                      workingRegistryPath,
                      nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      PRUint32 count = 0;
      if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
        for (PRUint32 index = 0; index < count; index++) {
          nsAutoString appName, appValue;
          if (NS_FAILED(regKey->GetValueName(index, appName)))
            continue;
          if (appName.EqualsLiteral("MRUList"))
            continue;
          if (NS_FAILED(regKey->ReadStringValue(appName, appValue)))
            continue;
          
          // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
          nsAutoString appFilesystemCommand;
          if (!GetAppsVerbCommandHandler(appValue,
                                         appFilesystemCommand,
                                         false) ||
              IsPathInList(appFilesystemCommand, trackList))
            continue;
          ProcessPath(appList, trackList, appFilesystemCommand);
        }
      }
    }
    

    // 5) Add any non configured progids in the MRU list, with the
    // different step of resolving the progids for the command handler.
    
    // HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
    // Explorer\FileExts\.ext\OpenWithProgids
    workingRegistryPath =
      NS_LITERAL_STRING("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\");
    workingRegistryPath += fileExtToUse;
    workingRegistryPath.AppendLiteral("\\OpenWithProgids");

    regKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
                 workingRegistryPath,
                 nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      PRUint32 count = 0;
      if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
        for (PRUint32 index = 0; index < count; index++) {
          nsAutoString appIndex, appProgId;
          if (NS_FAILED(regKey->GetValueName(index, appProgId)))
            continue;

          nsAutoString appFilesystemCommand;
          if (!GetProgIDVerbCommandHandler(appProgId,
                                           appFilesystemCommand,
                                           false) ||
              IsPathInList(appFilesystemCommand, trackList))
            continue;
          ProcessPath(appList, trackList, appFilesystemCommand);
        }
      }
      regKey->Close();
    }


    // 6) Check the perceived type value, and use this to lookup the perceivedtype
    // open with list.
    // http://msdn2.microsoft.com/en-us/library/aa969373.aspx

    workingRegistryPath = fileExtToUse;

    regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                 workingRegistryPath,
                 nsIWindowsRegKey::ACCESS_QUERY_VALUE);
    if (NS_SUCCEEDED(rv)) {
      nsAutoString perceivedType;
      rv = regKey->ReadStringValue(NS_LITERAL_STRING("PerceivedType"),
                                   perceivedType);
      if (NS_SUCCEEDED(rv)) {
        nsAutoString openWithListPath(NS_LITERAL_STRING("SystemFileAssociations\\"));
        openWithListPath.Append(perceivedType); // no period
        openWithListPath.Append(NS_LITERAL_STRING("\\OpenWithList"));

        nsresult rv = appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                                   openWithListPath,
                                   nsIWindowsRegKey::ACCESS_QUERY_VALUE);
        if (NS_SUCCEEDED(rv)) {
          PRUint32 count = 0;
          if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
            for (PRUint32 index = 0; index < count; index++) {
              nsAutoString appName;
              if (NS_FAILED(regKey->GetValueName(index, appName)))
                continue;
              
              // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
              nsAutoString appFilesystemCommand;
              if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand, 
                                             false) ||
                  IsPathInList(appFilesystemCommand, trackList))
                continue;
              ProcessPath(appList, trackList, appFilesystemCommand);
            }
          }
        }
      }
    }
  } // extKnown == false


  // 7) list global HKEY_CLASSES_ROOT\*\OpenWithList\
  // Listing general purpose handlers, not specific to a mime type or file extension

  workingRegistryPath = NS_LITERAL_STRING("*\\OpenWithList");

  rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                    workingRegistryPath,
                    nsIWindowsRegKey::ACCESS_QUERY_VALUE);
  if (NS_SUCCEEDED(rv)) {
    PRUint32 count = 0;
    if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
      for (PRUint32 index = 0; index < count; index++) {
        nsAutoString appName;
        if (NS_FAILED(regKey->GetValueName(index, appName)))
          continue;

        // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
        nsAutoString appFilesystemCommand;
        if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand,
                                       false) ||
            IsPathInList(appFilesystemCommand, trackList))
          continue;
        ProcessPath(appList, trackList, appFilesystemCommand);
      }
    }
    regKey->Close();
  }


  // 8) General application's list - not file extension specific on windows
  workingRegistryPath = NS_LITERAL_STRING("Applications");

  rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
                    workingRegistryPath,
                    nsIWindowsRegKey::ACCESS_ENUMERATE_SUB_KEYS|
                    nsIWindowsRegKey::ACCESS_QUERY_VALUE);
  if (NS_SUCCEEDED(rv)) {
    PRUint32 count = 0;
    if (NS_SUCCEEDED(regKey->GetChildCount(&count)) && count > 0) {
      for (PRUint32 index = 0; index < count; index++) {
        nsAutoString appName;
        if (NS_FAILED(regKey->GetChildName(index, appName)))
          continue;

        // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
        nsAutoString appFilesystemCommand;
        if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand,
                                       false) ||
            IsPathInList(appFilesystemCommand, trackList))
          continue;
        ProcessPath(appList, trackList, appFilesystemCommand);
      }
    }
  }

  // Return to the caller
  *_retval = appList;
  NS_ADDREF(*_retval);

  return NS_OK;
}