gecko/profile/dirserviceprovider/public/nsProfileDirServiceProvider.h
2012-07-30 17:20:58 +03:00

113 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
// Interfaces Needed
#include "nsIDirectoryService.h"
#include "nsIFile.h"
#include "nsCOMPtr.h"
#include "nsDirectoryServiceUtils.h"
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#ifdef MOZILLA_INTERNAL_API
#include "nsString.h"
#else
#include "nsEmbedString.h"
#endif
// Forward Declarations
class nsProfileLock;
// --------------------------------------------------------------------------------------
// nsProfileDirServiceProvider - The nsIDirectoryServiceProvider implementation used for
// profile-relative file locations.
// --------------------------------------------------------------------------------------
class nsProfileDirServiceProvider: public nsIDirectoryServiceProvider
{
NS_DECL_ISUPPORTS
NS_DECL_NSIDIRECTORYSERVICEPROVIDER
friend nsresult NS_NewProfileDirServiceProvider(bool, nsProfileDirServiceProvider**);
public:
/**
* SetProfileDir
*
* @param aProfileDir The directory containing the profile files.
* It does not need to exist before calling this
* method. If it does not, it will be created and
* defaults will be copied to it.
* @param aLocalProfileDir
* Directory for local profile data, e.g. Cache.
* If null, aProfileDir will be used for this purpose.
*/
virtual nsresult SetProfileDir(nsIFile* aProfileDir,
nsIFile* aLocalProfileDir = nullptr);
/**
* Register
*
* Convenience method to register the provider with directory service.
* The service holds strong references to registered providers so consumers
* don't need to hold a reference to this object after calling Register().
*/
virtual nsresult Register();
/**
* Shutdown
*
* This method must be called before shutting down XPCOM if this object
* was created with aNotifyObservers == true. If this object was
* created with aNotifyObservers == false, this method is a no-op.
*/
virtual nsresult Shutdown();
protected:
nsProfileDirServiceProvider(bool aNotifyObservers = true);
virtual ~nsProfileDirServiceProvider();
nsresult Initialize();
nsresult InitProfileDir(nsIFile* profileDir);
nsresult InitNonSharedProfileDir();
nsresult EnsureProfileFileExists(nsIFile *aFile, nsIFile *destDir);
nsresult UndefineFileLocations();
protected:
nsCOMPtr<nsIFile> mProfileDir;
nsCOMPtr<nsIFile> mLocalProfileDir;
nsProfileLock* mProfileDirLock;
bool mNotifyObservers;
bool mSharingEnabled;
#ifndef MOZILLA_INTERNAL_API
nsEmbedString mNonSharedDirName;
#else
nsString mNonSharedDirName;
#endif
nsCOMPtr<nsIFile> mNonSharedProfileDir;
};
// --------------------------------------------------------------------------------------
/**
* Global method to create an instance of nsProfileDirServiceProvider
*
* @param aNotifyObservers If true, will send out profile startup
* notifications when the profile directory is set.
* See nsIProfileChangeStatus.
*/
nsresult NS_NewProfileDirServiceProvider(bool aNotifyObservers,
nsProfileDirServiceProvider** aProvider);