path: root/embed/mozilla/EphyBrowser.h

/*
 *  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 EPHY_BROWSER_H
#define EPHY_BROWSER_H

#include "ephy-encodings.h"
#include "ephy-embed.h"

#include <gtkmozembed.h>
#include <nsCOMPtr.h>
#include <nsIDOMEventListener.h>
#include <nsIWebNavigation.h>
#include <nsISHistory.h>
#include <nsIWebBrowser.h>
#include <nsIDOMDocument.h>
#include <nsIDOMWindow.h>
#include <nsIPrintSettings.h>

#ifdef ALLOW_PRIVATE_API
#include <nsIDocShell.h>
#include <nsIDOMEventReceiver.h>
#endif

class EphyEventListener : public nsIDOMEventListener
{
public:
    EphyEventListener();
    virtual ~EphyEventListener();

    nsresult Init(EphyEmbed *aOwner);

    NS_DECL_ISUPPORTS

    // nsIDOMEventListener

    NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) = 0;

protected:
    EphyEmbed *mOwner;
};

class EphyFaviconEventListener : public EphyEventListener
{
public:
    NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);

private:
    nsresult HandleFaviconLink (nsIDOMNode *node);
};

class EphyPopupBlockEventListener : public EphyEventListener
{
public:
    NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
};

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

    nsresult Init (GtkMozEmbed *mozembed);
    nsresult Destroy (void);

    nsresult DoCommand (const char *command);
    nsresult GetCommandState (const char *command, PRBool *enabled);

    nsresult SetZoom (float aTextZoom);
    nsresult GetZoom (float *aTextZoom);

    nsresult Print ();
    nsresult SetPrintPreviewMode (PRBool previewMode);
    nsresult PrintPreviewNumPages (int *numPages);
    nsresult PrintPreviewNavigate(PRInt16 navType, PRInt32 pageNum);

    nsresult FindSetProperties (const PRUnichar *search_string,
                        PRBool case_sensitive,
                    PRBool wrap_around);
    nsresult Find (PRBool bacwards,
               PRBool *didFind);

    nsresult GetPageDescriptor(nsISupports **aPageDescriptor);

    nsresult GetSHInfo (PRInt32 *count, PRInt32 *index);
    nsresult GetSHTitleAtIndex (PRInt32 index, PRUnichar **title);
    nsresult GetSHUrlAtIndex (PRInt32 index, nsACString &url);
    nsresult GoToHistoryIndex (PRInt16 index);

    enum { RELOAD_NORMAL = 0 };
    enum { RELOAD_FORCE = 1 };
    enum { RELOAD_ENCODING_CHANGE = 2 };

    nsresult Reload (PRUint32 flags);

    nsresult ForceEncoding (const char *encoding);
    nsresult GetEncoding (nsACString &encoding);
    nsresult GetForcedEncoding (nsACString &encoding);

    nsresult PushTargetDocument (nsIDOMDocument *domDoc);
    nsresult PopTargetDocument ();

    nsresult GetDocument (nsIDOMDocument **aDOMDocument);
    nsresult GetTargetDocument (nsIDOMDocument **aDOMDocument);
    nsresult GetDocumentUrl (nsACString &url);
    nsresult GetTargetDocumentUrl (nsACString &url);
    nsresult GetDOMWindow (nsIDOMWindow **window);

    nsresult GetHasModifiedForms (PRBool *modified);

    nsCOMPtr<nsIWebBrowser> mWebBrowser;

private:
    nsCOMPtr<nsIDOMDocument> mTargetDocument;
    nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
    nsCOMPtr<nsIDOMWindow> mDOMWindow;
    EphyFaviconEventListener *mFaviconEventListener;
    EphyPopupBlockEventListener *mPopupBlockEventListener;
    PRBool mInitialized;

    nsresult GetListener (void);
    nsresult AttachListeners (void);
    nsresult DetachListeners (void);
    nsresult GetSHistory (nsISHistory **aSHistory);
    nsresult GetContentViewer (nsIContentViewer **aViewer);
    nsresult GetDocumentHasModifiedForms (nsIDOMDocument *aDomDoc, PRUint32 *aNumTextFields, PRBool *aHasTextArea);
    PRBool   CompareFormsText (nsAString &aDefaultText, nsAString &aUserText);
};

#endif