MaChat - a chat with a browser for LANs

////////////////////////////////////////////////////
// File            - WebBrowserEx.cpp
// Autor           - Michael Mac
// Contact         - GreenSequoia@wp.pl
// Description     - Implementation of the WebBrowserEx class
////////////////////////////////////////////////////

#include "stdafx.h"
#include "WebBrowserEx.h"
#include "WinError.h"

using namespace Crownwood::Magic::Menus;

#pragma warning ( disable : 4100 ) // Disable C4100 warning
#pragma warning ( disable : 4564 ) // Disable C4564 warning

namespace MaChat
{
	namespace WebBrowser
	{
		////////////////////////////////////////////////////
		// MaChat::WebBrowser::WebBrowserEx
		////////////////////////////////////////////////////
		WebBrowserEx::WebBrowserEx( Control* controlParent )
		{
			// Initialize
			this->BeginInit();
			controlParent->Controls->Add( this );
			this->CommandStateChange += new DWebBrowserEvents2_CommandStateChangeEventHandler( this, OnWebStateChange );
			this->EndInit();

			// Set several options
			this->RegisterAsBrowser = true;
			this->RegisterAsDropTarget = true;
			this->Silent = false;

			// Navigate to a blank page
			Navigate( "about:blank" );

			// Set the UI handler for the browser to this application
			IHTMLDocument2* doc = dynamic_cast<IHTMLDocument2*>( this->Document );
			ICustomDoc* custom = dynamic_cast<ICustomDoc*>( doc );
			custom->SetUIHandler( static_cast<IDocHostUIHandler*>( this ) );
		}

		void WebBrowserEx::OnWebStateChange( Object* sender, DWebBrowserEvents2_CommandStateChangeEvent* e )
		{
			if ( e->command == CommandStateChangeConstants::CSC_NAVIGATEBACK )
				m_bCanGoBack = e->enable;
			if ( e->command == CommandStateChangeConstants::CSC_NAVIGATEFORWARD )
				m_bCanGoForward = e->enable;		
		}

		// IDocHostUIHandler implementation
		////////////////////////////////////////////////////
		void WebBrowserEx::ShowContextMenu( unsigned int dwID, tagPOINT* ppt, 
			[MarshalAs(UnmanagedType::IUnknown)] Object* pcmdtReserved, 
			[MarshalAs(UnmanagedType::IDispatch)]Object* pdispReserved)
		{
			ContextMenuConstants eMenu = (ContextMenuConstants)dwID;
			System::Drawing::Point point = System::Drawing::Point::Point( ppt->x, ppt->y );
			
			// Fire the event
			if ( ContextMenu )
			{
				ContextMenu->Invoke( this, new ContextMenuEventArgs( eMenu, point,
					pcmdtReserved, pdispReserved ) );
			}
		}

		void WebBrowserEx::GetHostInfo(DOCHOSTUIINFO* pInfo)        
		{
		}

		void WebBrowserEx::ShowUI(unsigned int dwID,
			[MarshalAs(UnmanagedType::Interface)] IntPtr pActiveObject,
			[MarshalAs(UnmanagedType::Interface)] IntPtr pCommandTarget,
			[MarshalAs(UnmanagedType::Interface)] IntPtr pFrame,
			[MarshalAs(UnmanagedType::Interface)] IntPtr pDoc)
		{
		}

		void WebBrowserEx::HideUI()        
		{
		}

		void WebBrowserEx::UpdateUI()        
		{
		}

		void WebBrowserEx::EnableModeless(int fEnable)        
		{
		}

		void WebBrowserEx::OnDocWindowActivate(int fActivate)        
		{
		}

		void WebBrowserEx::OnFrameWindowActivate(int fActivate)        
		{
		}

		void WebBrowserEx::ResizeBorder( tagRECT* prcBorder,
			[MarshalAs(UnmanagedType::Interface)] IntPtr pUIWindow, int fRameWindow)
		{
		}

		void WebBrowserEx::TranslateAccelerator( tagMSG* lpmsg, Guid* pguidCmdGroup, unsigned int nCmdID)
		{
			/*if ( lpmsg->message == 0x0100 && lpmsg->lParam & 0x11)
				Marshal::ThrowExceptionForHR( 0x80004005L );*/
		}

		void WebBrowserEx::GetOptionKeyPath( String* pchKey, unsigned int dw)        
		{
			
		}

		void WebBrowserEx::GetDropTarget( [MarshalAs(UnmanagedType::Interface)] IntPtr pDropTarget,
			[MarshalAs(UnmanagedType::Interface)] IntPtr ppDropTarget)
		{
		}

		void WebBrowserEx::GetExternal( Object* ppDispatch )
		{
		}

		void WebBrowserEx::TranslateUrl( unsigned int dwTranslate, unsigned short pchURLIn,
					IntPtr ppchURLOut)
		{
		}

		void WebBrowserEx::FilterDataObject(IDataObject* pDO, IDataObject* ppDORet)
		{
		}

		// Navigate functions
		////////////////////////////////////////////////////
		void WebBrowserEx::Navigate ( String* strUrl )
		{
			Object* objMissing = System::Reflection::Missing::Value;
			
			// Navigate
			AxWebBrowser::Navigate( strUrl, &objMissing, &objMissing,
				&objMissing, &objMissing );	
		}

		void WebBrowserEx::NavigateNW ( String* strUrl )
		{
			Object* objMissing = System::Reflection::Missing::Value;
			Object* objTarget = static_cast<Object*>( new String( "_BLANK" ) );

			// Navigate
			AxWebBrowser::Navigate( strUrl, &objMissing, &objTarget,
				&objMissing, &objMissing );	
		}
	}
}