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