Mouse Gestures for Internet Explorer

///////////////////////////////////////////////////////////////
//
// BrowserHelperObject.h
//
// Created: 07/07/2003
// Copyright (c) 2003 Ralph Hare (ralph.hare@ysgyfarnog.co.uk)
// All rights reserved.
//
// The code and information is provided "as-is" without
// warranty of any kind, either expressed or implied.
//
///////////////////////////////////////////////////////////////

#ifndef __BROWSERHELPEROBJECT_H_853C1B80_13F9_4D62_8A56_E800344DE4ED_
#define __BROWSERHELPEROBJECT_H_853C1B80_13F9_4D62_8A56_E800344DE4ED_

#include "resource.h"       // main symbols
#include "GestureTracker.h"
#include "Action.h"
#include "BrowserWatcher.h"
#include <memory>

class ATL_NO_VTABLE BrowserHelperObject : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<BrowserHelperObject, &CLSID_BrowserHelperObject>,
	public IDispatchImpl<IBrowserHelperObject, &IID_IBrowserHelperObject, &LIBID_MOUSEGESTURESLib>,
    public IObjectWithSiteImpl< BrowserHelperObject >,
    public GestureTracker::Observer,
    public ActionBase
{
public:
	BrowserHelperObject();
    void FinalRelease();

DECLARE_REGISTRY_RESOURCEID(IDR_BROWSERHELPEROBJECT)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(BrowserHelperObject)
	COM_INTERFACE_ENTRY(IBrowserHelperObject)
	COM_INTERFACE_ENTRY(IDispatch)
    COM_INTERFACE_ENTRY(IObjectWithSite)
END_COM_MAP()

// IObjectWithSite
private:
    STDMETHOD( SetSite )( IUnknown *pUnkSite );

// ActionBase
private:
    void GotoPrevious( const ActionPacket &ap );
    void GotoNext( const ActionPacket &ap );
    void GotoTop( const ActionPacket &ap );
    void GotoBottom( const ActionPacket &ap );
    void GoHome( const ActionPacket &ap );
    void Close( const ActionPacket &ap );
    void OpenNewForeWindow( const ActionPacket &ap );
    void OpenNewBackWindow( const ActionPacket &ap );
    void Refresh( const ActionPacket &ap );
    void Reload( const ActionPacket &ap );
    void Minimise( const ActionPacket &ap );
    void Restore( const ActionPacket &ap );
    void Duplicate( const ActionPacket &ap );
    void ScrollWindows( const ActionPacket &ap );

// GestureTracker::Observer
private:
    virtual bool OnGesture( 
                        HWND hWnd, 
                        GestureManager::Pattern pattern,
                        const Path &path
                        );

// Implementation
private:
/**
 * Execute the action associated with a gesture
 * @param hWnd handle to the window in which the gesture was performed
 * @param pattern the gesture pattern performed
 * @param path a std::vector of POINT's describing the path of the gesture
 **/
    bool    Execute( HWND hWnd, int pattern, const Path &path );

/**
 * Open a new browser window. If the mouse gesture started on an anchor
 * element (a hyperlink) then the browser will start at the page
 * referenced by the anchor. Otherwise the browser will start at the
 * default home page.
 * @param hWnd handle to the window in which the gesture was performed
 * @param pt the POINT where the user started the mouse gesture (i.e. where
 *           WM_MOUSEDOWN message was received)
 * @param isForeground should the window be opened in the foreground or not
 **/
    void    OpenNewWindow( HWND hWnd, const POINT &pt, bool isForeground );

private:
    typedef std::auto_ptr< BrowserWatcher >     AutoBrowserWatcher;

private:
    CComQIPtr< IWebBrowser2 >   m_pWebBrowser;
    AutoBrowserWatcher          m_pBrowserWatcher;
};

#endif // __BROWSERHELPEROBJECT_H_853C1B80_13F9_4D62_8A56_E800344DE4ED_