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-o -iname "*.h" \
-o -iname "*.c" \
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
197 lines
8.1 KiB
C++
197 lines
8.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et: */
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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 __nsmimeinfoimpl_h___
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#define __nsmimeinfoimpl_h___
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#include "nsIMIMEInfo.h"
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#include "nsIAtom.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsIMutableArray.h"
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#include "nsIFile.h"
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#include "nsCOMPtr.h"
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#include "nsIURI.h"
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#include "nsIProcess.h"
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/**
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* UTF8 moz-icon URI string for the default handler application's icon, if
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* available.
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*/
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#define PROPERTY_DEFAULT_APP_ICON_URL "defaultApplicationIconURL"
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/**
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* UTF8 moz-icon URI string for the user's preferred handler application's
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* icon, if available.
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*/
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#define PROPERTY_CUSTOM_APP_ICON_URL "customApplicationIconURL"
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/**
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* Basic implementation of nsIMIMEInfo. Incomplete - it is meant to be
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* subclassed, and GetHasDefaultHandler as well as LaunchDefaultWithFile need to
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* be implemented.
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*/
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class nsMIMEInfoBase : public nsIMIMEInfo {
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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// I'd use NS_DECL_NSIMIMEINFO, but I don't want GetHasDefaultHandler
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NS_IMETHOD GetFileExtensions(nsIUTF8StringEnumerator **_retval) override;
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NS_IMETHOD SetFileExtensions(const nsACString & aExtensions) override;
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NS_IMETHOD ExtensionExists(const nsACString & aExtension, bool *_retval) override;
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NS_IMETHOD AppendExtension(const nsACString & aExtension) override;
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NS_IMETHOD GetPrimaryExtension(nsACString & aPrimaryExtension) override;
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NS_IMETHOD SetPrimaryExtension(const nsACString & aPrimaryExtension) override;
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NS_IMETHOD GetType(nsACString & aType) override;
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NS_IMETHOD GetMIMEType(nsACString & aMIMEType) override;
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NS_IMETHOD GetDescription(nsAString & aDescription) override;
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NS_IMETHOD SetDescription(const nsAString & aDescription) override;
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NS_IMETHOD Equals(nsIMIMEInfo *aMIMEInfo, bool *_retval) override;
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NS_IMETHOD GetPreferredApplicationHandler(nsIHandlerApp * *aPreferredAppHandler) override;
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NS_IMETHOD SetPreferredApplicationHandler(nsIHandlerApp * aPreferredAppHandler) override;
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NS_IMETHOD GetPossibleApplicationHandlers(nsIMutableArray * *aPossibleAppHandlers) override;
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NS_IMETHOD GetDefaultDescription(nsAString & aDefaultDescription) override;
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NS_IMETHOD LaunchWithFile(nsIFile *aFile) override;
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NS_IMETHOD LaunchWithURI(nsIURI *aURI,
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nsIInterfaceRequestor *aWindowContext) override;
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NS_IMETHOD GetPreferredAction(nsHandlerInfoAction *aPreferredAction) override;
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NS_IMETHOD SetPreferredAction(nsHandlerInfoAction aPreferredAction) override;
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NS_IMETHOD GetAlwaysAskBeforeHandling(bool *aAlwaysAskBeforeHandling) override;
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NS_IMETHOD SetAlwaysAskBeforeHandling(bool aAlwaysAskBeforeHandling) override;
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NS_IMETHOD GetPossibleLocalHandlers(nsIArray **_retval) override;
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enum HandlerClass {
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eMIMEInfo,
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eProtocolInfo
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};
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// nsMIMEInfoBase methods
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explicit nsMIMEInfoBase(const char *aMIMEType = "");
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explicit nsMIMEInfoBase(const nsACString& aMIMEType);
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nsMIMEInfoBase(const nsACString& aType, HandlerClass aClass);
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void SetMIMEType(const nsACString & aMIMEType) { mSchemeOrType = aMIMEType; }
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void SetDefaultDescription(const nsString& aDesc) { mDefaultAppDescription = aDesc; }
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/**
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* Copies basic data of this MIME Info Implementation to the given other
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* MIME Info. The data consists of the MIME Type, the (default) description,
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* the MacOS type and creator, and the extension list (this object's
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* extension list will replace aOther's list, not append to it). This
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* function also ensures that aOther's primary extension will be the same as
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* the one of this object.
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*/
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void CopyBasicDataTo(nsMIMEInfoBase* aOther);
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/**
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* Return whether this MIMEInfo has any extensions
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*/
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bool HasExtensions() const { return mExtensions.Length() != 0; }
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protected:
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virtual ~nsMIMEInfoBase(); // must be virtual, as the the base class's Release should call the subclass's destructor
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/**
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* Launch the default application for the given file.
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* For even more control over the launching, override launchWithFile.
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* Also see the comment about nsIMIMEInfo in general, above.
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*
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* @param aFile The file that should be opened
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*/
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virtual nsresult LaunchDefaultWithFile(nsIFile* aFile) = 0;
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/**
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* Loads the URI with the OS default app.
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*
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* @param aURI The URI to pass off to the OS.
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*/
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virtual nsresult LoadUriInternal(nsIURI *aURI) = 0;
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static already_AddRefed<nsIProcess> InitProcess(nsIFile* aApp,
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nsresult* aResult);
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/**
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* This method can be used to launch the file or URI with a single
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* argument (typically either a file path or a URI spec). This is
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* meant as a helper method for implementations of
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* LaunchWithURI/LaunchDefaultWithFile.
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*
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* @param aApp The application to launch (may not be null)
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* @param aArg The argument to pass on the command line
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*/
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static nsresult LaunchWithIProcess(nsIFile* aApp,
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const nsCString &aArg);
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static nsresult LaunchWithIProcess(nsIFile* aApp,
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const nsString &aArg);
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/**
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* Given a file: nsIURI, return the associated nsIFile
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*
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* @param aURI the file: URI in question
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* @param aFile the associated nsIFile (out param)
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*/
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static nsresult GetLocalFileFromURI(nsIURI *aURI,
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nsIFile **aFile);
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// member variables
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nsTArray<nsCString> mExtensions; ///< array of file extensions associated w/ this MIME obj
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nsString mDescription; ///< human readable description
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nsCString mSchemeOrType;
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HandlerClass mClass;
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nsCOMPtr<nsIHandlerApp> mPreferredApplication;
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nsCOMPtr<nsIMutableArray> mPossibleApplications;
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nsHandlerInfoAction mPreferredAction; ///< preferred action to associate with this type
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nsString mPreferredAppDescription;
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nsString mDefaultAppDescription;
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bool mAlwaysAskBeforeHandling;
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};
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/**
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* This is a complete implementation of nsIMIMEInfo, and contains all necessary
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* methods. However, depending on your platform you may want to use a different
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* way of launching applications. This class stores the default application in a
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* member variable and provides a function for setting it. For local
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* applications, launching is done using nsIProcess, native path of the file to
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* open as first argument.
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*/
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class nsMIMEInfoImpl : public nsMIMEInfoBase {
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public:
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explicit nsMIMEInfoImpl(const char *aMIMEType = "") : nsMIMEInfoBase(aMIMEType) {}
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explicit nsMIMEInfoImpl(const nsACString& aMIMEType) : nsMIMEInfoBase(aMIMEType) {}
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nsMIMEInfoImpl(const nsACString& aType, HandlerClass aClass) :
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nsMIMEInfoBase(aType, aClass) {}
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virtual ~nsMIMEInfoImpl() {}
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// nsIMIMEInfo methods
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NS_IMETHOD GetHasDefaultHandler(bool *_retval);
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NS_IMETHOD GetDefaultDescription(nsAString& aDefaultDescription);
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// additional methods
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/**
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* Sets the default application. Supposed to be only called by the OS Helper
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* App Services; the default application is immutable after it is first set.
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*/
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void SetDefaultApplication(nsIFile* aApp) { if (!mDefaultApplication) mDefaultApplication = aApp; }
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protected:
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// nsMIMEInfoBase methods
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/**
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* The base class implementation is to use LaunchWithIProcess in combination
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* with mDefaultApplication. Subclasses can override that behaviour.
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*/
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virtual nsresult LaunchDefaultWithFile(nsIFile* aFile);
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/**
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* Loads the URI with the OS default app. This should be overridden by each
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* OS's implementation.
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*/
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virtual nsresult LoadUriInternal(nsIURI *aURI) = 0;
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nsCOMPtr<nsIFile> mDefaultApplication; ///< default application associated with this type.
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};
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#endif //__nsmimeinfoimpl_h___
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