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/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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 "nsMIMEInfoImpl.h"
#include "nsCOMPtr.h"
class nsILineInputStream;
class nsOSHelperAppService : public nsExternalHelperAppService
{
public:
nsOSHelperAppService();
virtual ~nsOSHelperAppService();
// method overrides for mime.types and mime.info look up steps
already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMimeType,
const nsACString& aFileExt,
bool *aFound);
NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
bool *found,
nsIHandlerInfo **_retval);
// override nsIExternalProtocolService methods
nsresult OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists);
NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
// GetFileTokenForPath must be implemented by each platform.
// platformAppPath --> a platform specific path to an application that we got out of the
// rdf data source. This can be a mac file spec, a unix path or a windows path depending on the platform
// aFile --> an nsIFile representation of that platform application path.
virtual nsresult GetFileTokenForPath(const char16_t * platformAppPath, nsIFile ** aFile);
protected:
already_AddRefed<nsMIMEInfoBase> GetFromType(const nsCString& aMimeType);
already_AddRefed<nsMIMEInfoBase> GetFromExtension(const nsCString& aFileExt);
private:
uint32_t mPermissions;
// Helper methods which have to access static members
static nsresult UnescapeCommand(const nsAString& aEscapedCommand,
const nsAString& aMajorType,
const nsAString& aMinorType,
nsACString& aUnEscapedCommand);
static nsresult GetFileLocation(const char* aPrefName,
const char* aEnvVarName,
nsAString& aFileLocation);
static nsresult LookUpTypeAndDescription(const nsAString& aFileExtension,
nsAString& aMajorType,
nsAString& aMinorType,
nsAString& aDescription,
bool aUserData);
static nsresult CreateInputStream(const nsAString& aFilename,
nsIFileInputStream ** aFileInputStream,
nsILineInputStream ** aLineInputStream,
nsACString& aBuffer,
bool * aNetscapeFormat,
bool * aMore);
static nsresult GetTypeAndDescriptionFromMimetypesFile(const nsAString& aFilename,
const nsAString& aFileExtension,
nsAString& aMajorType,
nsAString& aMinorType,
nsAString& aDescription);
static nsresult LookUpExtensionsAndDescription(const nsAString& aMajorType,
const nsAString& aMinorType,
nsAString& aFileExtensions,
nsAString& aDescription);
static nsresult GetExtensionsAndDescriptionFromMimetypesFile(const nsAString& aFilename,
const nsAString& aMajorType,
const nsAString& aMinorType,
nsAString& aFileExtensions,
nsAString& aDescription);
static nsresult ParseNetscapeMIMETypesEntry(const nsAString& aEntry,
nsAString::const_iterator& aMajorTypeStart,
nsAString::const_iterator& aMajorTypeEnd,
nsAString::const_iterator& aMinorTypeStart,
nsAString::const_iterator& aMinorTypeEnd,
nsAString& aExtensions,
nsAString::const_iterator& aDescriptionStart,
nsAString::const_iterator& aDescriptionEnd);
static nsresult ParseNormalMIMETypesEntry(const nsAString& aEntry,
nsAString::const_iterator& aMajorTypeStart,
nsAString::const_iterator& aMajorTypeEnd,
nsAString::const_iterator& aMinorTypeStart,
nsAString::const_iterator& aMinorTypeEnd,
nsAString& aExtensions,
nsAString::const_iterator& aDescriptionStart,
nsAString::const_iterator& aDescriptionEnd);
static nsresult LookUpHandlerAndDescription(const nsAString& aMajorType,
const nsAString& aMinorType,
nsAString& aHandler,
nsAString& aDescription,
nsAString& aMozillaFlags);
static nsresult DoLookUpHandlerAndDescription(const nsAString& aMajorType,
const nsAString& aMinorType,
nsAString& aHandler,
nsAString& aDescription,
nsAString& aMozillaFlags,
bool aUserData);
static nsresult GetHandlerAndDescriptionFromMailcapFile(const nsAString& aFilename,
const nsAString& aMajorType,
const nsAString& aMinorType,
nsAString& aHandler,
nsAString& aDescription,
nsAString& aMozillaFlags);
};
#endif // nsOSHelperAppService_h__
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