michael@0: /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsOSHelperAppService_h__
michael@0: #define nsOSHelperAppService_h__
michael@0: 
michael@0: // The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
michael@0: // platform. It contains platform specific code for finding helper applications for a given mime type
michael@0: // in addition to launching those applications.
michael@0: 
michael@0: #include "nsExternalHelperAppService.h"
michael@0: #include "nsCExternalHandlerService.h"
michael@0: #include "nsMIMEInfoImpl.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include <windows.h>
michael@0: 
michael@0: #ifdef _WIN32_WINNT
michael@0: #undef _WIN32_WINNT
michael@0: #endif
michael@0: #define _WIN32_WINNT 0x0600
michael@0: #include <shlobj.h>
michael@0: 
michael@0: class nsMIMEInfoWin;
michael@0: 
michael@0: class nsOSHelperAppService : public nsExternalHelperAppService
michael@0: {
michael@0: public:
michael@0:   nsOSHelperAppService();
michael@0:   virtual ~nsOSHelperAppService();
michael@0: 
michael@0:   // override nsIExternalProtocolService methods
michael@0:   nsresult OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists);
michael@0:   nsresult LoadUriInternal(nsIURI * aURL);
michael@0:   NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
michael@0: 
michael@0:   // method overrides for windows registry look up steps....
michael@0:   already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, bool *aFound);
michael@0:   NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme, 
michael@0:                                           bool *found,
michael@0:                                           nsIHandlerInfo **_retval);
michael@0: 
michael@0:   /** Get the string value of a registry value and store it in result.
michael@0:    * @return true on success, false on failure
michael@0:    */
michael@0:   static bool GetValueString(HKEY hKey, const char16_t* pValueName, nsAString& result);
michael@0: 
michael@0:   // Removes registry command handler parameters, quotes, and expands environment strings.
michael@0:   static bool CleanupCmdHandlerPath(nsAString& aCommandHandler);
michael@0: 
michael@0: protected:
michael@0:   nsresult GetDefaultAppInfo(const nsAString& aTypeName, nsAString& aDefaultDescription, nsIFile** aDefaultApplication);
michael@0:   // Lookup a mime info by extension, using an optional type hint
michael@0:   already_AddRefed<nsMIMEInfoWin> GetByExtension(const nsAFlatString& aFileExt, const char *aTypeHint = nullptr);
michael@0:   nsresult FindOSMimeInfoForType(const char * aMimeContentType, nsIURI * aURI, char ** aFileExtension, nsIMIMEInfo ** aMIMEInfo);
michael@0: 
michael@0:   static nsresult GetMIMEInfoFromRegistry(const nsAFlatString& fileType, nsIMIMEInfo *pInfo);
michael@0:   /// Looks up the type for the extension aExt and compares it to aType
michael@0:   static bool typeFromExtEquals(const char16_t* aExt, const char *aType);
michael@0: 
michael@0: private:
michael@0:   IApplicationAssociationRegistration* mAppAssoc;
michael@0: };
michael@0: 
michael@0: #endif // nsOSHelperAppService_h__