author Ben Newman <bnewman@mozilla.com>
Fri, 25 Sep 2009 12:57:09 -0700
changeset 33066 213da42e5f652ccbd9b946d5af831d85a0d47ead
parent 27958 047ec54f7a9d26c1b83c4e24d45fab688e8edf19
child 54802 8a6554580c4ee65421645ba65e7868472199fac6
permissions -rw-r--r--
[HTML5] Remove unneeded parser/html/java/translator directory (bug 518224). r=hsivonen

/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is the Mozilla browser.
 * The Initial Developer of the Original Code is
 * Netscape Communications, Inc.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Scott MacGregor <mscott@netscape.com>
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#ifndef nsOSHelperAppService_h__
#define nsOSHelperAppService_h__

// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
// platform. It contains platform specific code for finding helper applications for a given mime type
// in addition to launching those applications.

#include "nsExternalHelperAppService.h"
#include "nsCExternalHandlerService.h"
#include "nsCOMPtr.h"
#include <windows.h>

#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#define INITGUID
#include <shlobj.h>

class nsMIMEInfoWin;

class nsOSHelperAppService : public nsExternalHelperAppService
  virtual ~nsOSHelperAppService();

  // override nsIExternalProtocolService methods
  nsresult OSProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
  nsresult LoadUriInternal(nsIURI * aURL);
  NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);

  // method overrides for windows registry look up steps....
  already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, PRBool *aFound);
  NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme, 
                                          PRBool *found,
                                          nsIHandlerInfo **_retval);

  /** Get the string value of a registry value and store it in result.
   * @return PR_TRUE on success, PR_FALSE on failure
  static PRBool GetValueString(HKEY hKey, const PRUnichar* pValueName, nsAString& result);

  // Removes registry command handler parameters, quotes, and expands environment strings.
  static PRBool CleanupCmdHandlerPath(nsAString& aCommandHandler);

  nsresult GetDefaultAppInfo(const nsAString& aTypeName, nsAString& aDefaultDescription, nsIFile** aDefaultApplication);
  // Lookup a mime info by extension, using an optional type hint
  already_AddRefed<nsMIMEInfoWin> GetByExtension(const nsAFlatString& aFileExt, const char *aTypeHint = nsnull);
  nsresult FindOSMimeInfoForType(const char * aMimeContentType, nsIURI * aURI, char ** aFileExtension, nsIMIMEInfo ** aMIMEInfo);

  static nsresult GetMIMEInfoFromRegistry(const nsAFlatString& fileType, nsIMIMEInfo *pInfo);
  /// Looks up the type for the extension aExt and compares it to aType
  static PRBool typeFromExtEquals(const PRUnichar* aExt, const char *aType);

  IApplicationAssociationRegistration* mAppAssoc;

#endif // nsOSHelperAppService_h__