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/* -*- Mode: C++; tab-width: 4; 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/. */
#ifndef __nsMsgRDFDataSource_h
#define __nsMsgRDFDataSource_h
#include "nsCOMPtr.h"
#include "nsIRDFDataSource.h"
#include "nsIRDFService.h"
#include "nsIServiceManager.h"
#include "nsCOMArray.h"
#include "nsIObserver.h"
#include "nsITransactionManager.h"
#include "nsIMsgWindow.h"
#include "nsIMsgRDFDataSource.h"
#include "nsWeakReference.h"
#include "nsCycleCollectionParticipant.h"
class nsMsgRDFDataSource : public nsIRDFDataSource,
public nsIObserver,
public nsSupportsWeakReference,
public nsIMsgRDFDataSource
{
public:
nsMsgRDFDataSource();
virtual nsresult Init();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsMsgRDFDataSource,
nsIRDFDataSource)
NS_DECL_NSIMSGRDFDATASOURCE
NS_DECL_NSIRDFDATASOURCE
NS_DECL_NSIOBSERVER
// called to reset the datasource to an empty state
// if you need to release yourself as an observer/listener, do it here
virtual void Cleanup();
protected:
virtual ~nsMsgRDFDataSource();
nsIRDFService *getRDFService();
static bool assertEnumFunc(nsIRDFObserver *aObserver, void *aData);
static bool unassertEnumFunc(nsIRDFObserver *aObserver, void *aData);
static bool changeEnumFunc(nsIRDFObserver *aObserver, void *aData);
nsresult NotifyObservers(nsIRDFResource *subject, nsIRDFResource *property,
nsIRDFNode *newObject, nsIRDFNode *oldObject,
bool assert, bool change);
virtual nsresult NotifyPropertyChanged(nsIRDFResource *resource,
nsIRDFResource *propertyResource, nsIRDFNode *newNode,
nsIRDFNode *oldNode = nullptr);
nsCOMPtr<nsIMsgWindow> mWindow;
bool m_shuttingDown;
bool mInitialized;
private:
nsCOMPtr<nsIRDFService> mRDFService;
nsCOMArray<nsIRDFObserver> mObservers;
};
#endif
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