path: root/embed/mozilla/EphyBrowser.h

/*
 *  Copyright © 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  $Id$
 */

#ifndef EPHY_BROWSER_H
#define EPHY_BROWSER_H

#include "ephy-embed.h"
#include <gtk/gtkwidget.h>

#include <gtkmozembed.h>
#include <nsCOMPtr.h>
#include <nsIDOMContextMenuListener.h>
#include <nsIDOMDocument.h>
#include <nsIDOMEventListener.h>
#include <nsIDOMEventTarget.h>
#include <nsIDOMWindow.h>
#include <nsIRequest.h>
#include <nsISHistory.h>
#include <nsIWebBrowserFocus.h>
#include <nsIWebBrowser.h>
#include <nsIWebNavigation.h>
#include <nsPIDOMWindow.h>

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

#ifdef HAVE_MOZILLA_PSM
#include <nsISecureBrowserUI.h>
#endif

class EphyBrowser;

class EphyEventListener : public nsIDOMEventListener
{
public:
    NS_DECL_ISUPPORTS

    // nsIDOMEventListener
    NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) = 0;

    EphyEventListener(EphyBrowser *aOwner) : mOwner(aOwner) { };
    virtual ~EphyEventListener() { };

protected:
    EphyBrowser *mOwner;
};

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

    EphyDOMLinkEventListener(EphyBrowser *aOwner) : EphyEventListener(aOwner) { };
private:
    nsresult GetDocURI (nsIDOMElement *aElement,
                nsIURI **aDocURI);

};

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

    EphyPopupBlockEventListener(EphyBrowser *aOwner) : EphyEventListener(aOwner) { };
};

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

    EphyModalAlertEventListener(EphyBrowser *aOwner) : EphyEventListener(aOwner) { };
};

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

    EphyMiscDOMEventsListener(EphyBrowser *aOwner) : EphyEventListener(aOwner) { };
};

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

    EphyDOMScrollEventListener(EphyBrowser *aOwner) : EphyEventListener(aOwner) { };
};

class EphyContextMenuListener : public nsIDOMContextMenuListener
{
public:
        NS_DECL_ISUPPORTS

    // nsIDOMContextMenuListener
        NS_IMETHOD ContextMenu(nsIDOMEvent *aEvent);
        NS_IMETHOD HandleEvent(nsIDOMEvent *aEvent);

    EphyContextMenuListener(EphyBrowser *aOwner) : mOwner(aOwner) { };
    virtual ~EphyContextMenuListener() { };

protected:
        EphyBrowser *mOwner;
};

class EphyBrowser
{
friend class EphyEventListener;
friend class EphyDOMLinkEventListener;
friend class EphyMiscDOMEventsListener;
friend class EphyDOMScrollEventListener;
friend class EphyPopupBlockEventListener;
friend class EphyModalAlertEventListener;
friend class EphyContextMenuListener;
public:
    EphyBrowser();
    ~EphyBrowser();

    nsresult Init (EphyEmbed *embed);
    nsresult Destroy (void);

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

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

    nsresult ScrollLines (PRInt32 aNumLines);
    nsresult ScrollPages (PRInt32 aNumPages);
    nsresult ScrollPixels (PRInt32 aDeltaX, PRInt32 aDeltaY);

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

    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);

    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 GetDocumentURI (nsIURI **aURI);
    nsresult GetTargetDocumentURI (nsIURI **aURI);
    nsresult GetDOMWindow (nsIDOMWindow **window);
    nsresult GetPIDOMWindow(nsPIDOMWindow **aPIWin);

    nsresult GetHasModifiedForms (PRBool *modified);

    nsresult GetSecurityInfo (PRUint32 *aState, nsACString &aDescription);
    nsresult ShowCertificate ();

    nsresult CopySHistory (EphyBrowser *dest, PRBool copy_back,
                           PRBool copy_forward, PRBool copy_current);

    nsresult Close ();

    nsresult LoadURI(const char *aURI, 
             PRUint32 aLoadFlags = nsIWebNavigation::LOAD_FLAGS_NONE, 
             nsIURI *aReferrer = nsnull);

        EphyEmbedDocumentType GetDocumentType ();

    nsCOMPtr<nsIWebBrowser> mWebBrowser;
private:
    GtkWidget *mEmbed;

    nsCOMPtr<nsIWebBrowserFocus> mWebBrowserFocus;
    nsCOMPtr<nsIDOMDocument> mTargetDocument;
    nsCOMPtr<nsIDOMEventTarget> mEventTarget;
    nsCOMPtr<nsIDOMWindow> mDOMWindow;
    EphyDOMLinkEventListener *mDOMLinkEventListener;
    EphyMiscDOMEventsListener *mMiscDOMEventsListener;
    EphyDOMScrollEventListener *mDOMScrollEventListener;
    EphyPopupBlockEventListener *mPopupBlockEventListener;
    EphyModalAlertEventListener *mModalAlertListener;
    EphyContextMenuListener *mContextMenuListener;
    PRBool mInitialized;
#ifdef HAVE_MOZILLA_PSM
    nsCOMPtr<nsISecureBrowserUI> mSecurityInfo;
#endif

    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 /* !EPHY_BROWSER_H */