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/*
 *  Copyright (C) 2000-2004 Marco Pesenti Gritti
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#ifndef EVENT_CONTEXT_H
#define EVENT_CONTEXT_H

#include "EphyBrowser.h"

#include "ephy-embed.h"
#include "mozilla-embed-event.h"

#include <nsIDOMEventTarget.h>
#include <nsIDOMMouseEvent.h>
#include <nsIDOMKeyEvent.h>
#include <nsIDOMEvent.h>
#include <nsIDOMNode.h>
#include <nsIDOMHTMLAnchorElement.h>
#include <nsIDOMHTMLAreaElement.h>
#include <nsIDOMHTMLBodyElement.h>
#include <nsIDOMDocument.h>
#include <nsIURI.h>
#undef MOZILLA_INTERNAL_API
#include <nsEmbedString.h>
#define MOZILLA_INTERNAL_API 1

#ifdef ALLOW_PRIVATE_API
#include <nsIDOMViewCSS.h>
#endif

class EventContext
{
public:
    EventContext();
    ~EventContext();

    nsresult Init              (EphyBrowser *wrapper);
    nsresult GetMouseEventInfo (nsIDOMMouseEvent *event, MozillaEmbedEvent *info);
    nsresult GetKeyEventInfo   (nsIDOMKeyEvent *event, MozillaEmbedEvent *info);
    nsresult GetTargetDocument (nsIDOMDocument **domDoc);

    static PRBool CheckKeyPress (nsIDOMKeyEvent *aEvent);

private:
    EphyBrowser *mBrowser;
    MozillaEmbedEvent *mEmbedEvent;
    nsCOMPtr<nsIDOMDocument> mDOMDocument;
    nsCOMPtr<nsIDOMViewCSS> mViewCSS;
    nsCOMPtr<nsIURI> mBaseURI;
    nsEmbedCString mCharset;

    nsresult GetTargetCoords    (nsIDOMEventTarget *aTarget, PRInt32 *aX, PRInt32 *aY);
    nsresult GatherTextUnder    (nsIDOMNode* aNode, nsAString& aResult);
    nsresult ResolveBaseURL     (const nsAString &relurl, nsACString &url);
    nsresult Unescape       (const nsACString &aEscaped, nsACString &aUnescaped);
    nsresult GetEventContext    (nsIDOMEventTarget *EventTarget,
                     MozillaEmbedEvent *info);
    nsresult GetCSSBackground   (nsIDOMNode *node, nsAString& url);
    nsresult IsPageFramed       (nsIDOMNode *node, PRBool *Framed);
    nsresult CheckInput     (nsIDOMNode *node);
    nsresult CheckLinkScheme    (const nsAString &link);
    nsresult SetIntProperty     (const char *name, int value);
    nsresult SetStringProperty  (const char *name, const char *value);
    nsresult SetStringProperty  (const char *name, const nsAString &value);
    nsresult SetURIProperty     (nsIDOMNode *node, const char *name, const nsAString &value);
    nsresult SetURIProperty     (nsIDOMNode *node, const char *name, const nsACString &value);
};

#endif