75 lines
3.2 KiB
C++
75 lines
3.2 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
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// implemented on each platform. It contains platform specific code for finding
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// helper applications for a given mime type in addition to launching those
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// applications.
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#include "nsExternalHelperAppService.h"
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#include "nsCExternalHandlerService.h"
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#include "nsCOMPtr.h"
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#include <windows.h>
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#include <shlobj.h>
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class nsMIMEInfoWin;
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class nsIMIMEInfo;
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class nsOSHelperAppService : public nsExternalHelperAppService {
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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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NS_IMETHOD OSProtocolHandlerExists(const char* aProtocolScheme,
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bool* aHandlerExists) override;
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NS_IMETHOD GetApplicationDescription(const nsACString& aScheme,
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nsAString& _retval) override;
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NS_IMETHOD IsCurrentAppOSDefaultForProtocol(const nsACString& aScheme,
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bool* _retval) override;
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// method overrides for windows registry look up steps....
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NS_IMETHOD GetMIMEInfoFromOS(const nsACString& aMIMEType,
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const nsACString& aFileExt, bool* aFound,
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nsIMIMEInfo** aMIMEInfo) override;
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NS_IMETHOD UpdateDefaultAppInfo(nsIMIMEInfo* aMIMEInfo) override;
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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,
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nsAString& result);
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protected:
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nsresult GetDefaultAppInfo(const nsAString& aTypeName,
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nsAString& aDefaultDescription,
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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(
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const nsString& aFileExt, const char* aTypeHint = nullptr);
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nsresult InternalSetDefaultsOnMIME(nsMIMEInfoWin* aMIMEInfo);
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nsresult FindOSMimeInfoForType(const char* aMimeContentType, nsIURI* aURI,
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char** aFileExtension,
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nsIMIMEInfo** aMIMEInfo);
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static nsresult GetMIMEInfoFromRegistry(const nsString& fileType,
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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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