MaChat - a chat with a browser for LANs

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

#include "stdafx.h"
#include "WebBrowserPage.h"


namespace MaChat
{
	////////////////////////////////////////////////////
	// MaChat::WebBrowserPage
	////////////////////////////////////////////////////
	WebBrowserPage::WebBrowserPage()
	{
		this->Resize += new EventHandler( this, OnResize );

		m_bProgressBar = false;
		m_bStatusBar = true;

		// Hider Label
		this->m_labelHider = new Label();
		this->Controls->Add( m_labelHider );

		// Initialize the WebBrowser
		this->m_browserWeb = new WebBrowser::WebBrowserEx( this );
		// Set EventHandlers
		this->m_browserWeb->CommandStateChange += new DWebBrowserEvents2_CommandStateChangeEventHandler( this, OnWebStateChange );
		this->m_browserWeb->ProgressChange += new DWebBrowserEvents2_ProgressChangeEventHandler( this, OnWebProgressChange );
		this->m_browserWeb->TitleChange += new DWebBrowserEvents2_TitleChangeEventHandler( this, OnWebTitleChange );
		this->m_browserWeb->NavigateComplete2 += new DWebBrowserEvents2_NavigateComplete2EventHandler( this, OnWebNavigateComplete );
		this->m_browserWeb->StatusTextChange += new DWebBrowserEvents2_StatusTextChangeEventHandler( this, OnWebStatusChange );
		// NOTE: We don't need to add this control to the panel becasue it's done in the constructor

		// Add a ProgressBar
		this->m_labelProgressBar = new Label();
		this->m_labelProgressBar->BorderStyle = BorderStyle::None;
		this->m_labelProgressBar->Visible = false;
		this->Controls->Add( m_labelProgressBar );

		// Add a StatusBar
		this->m_labelStatusBar = new Label();
		this->m_labelStatusBar->BorderStyle = BorderStyle::None;
		this->m_labelStatusBar->Visible = false;
		this->Controls->Add( m_labelStatusBar );
	}

	void WebBrowserPage::OnResize ( Object* sender, EventArgs* e )
	{
		if ( m_browserWeb )
		{
			this->m_browserWeb->SetBounds( -1, -1, this->Width + 2 ,
				( m_bProgressBar || m_bStatusBar ) ? this->Height - 12 : this->Height + 2 );

			this->m_labelHider->SetBounds( -1, this->m_browserWeb->Bottom - 1,
				this->Width, 1 );

			if ( m_bProgressBar )
			{
				this->m_labelProgressBar->SetBounds( 0, m_browserWeb->Bottom + 1,
					m_bStatusBar ? 50 : this->Width, 12 );
				this->m_labelProgressBar->Visible = true;
			}

			if ( m_bStatusBar )
			{
				this->m_labelStatusBar->SetBounds( m_bProgressBar ? 50 : 0, 
					m_browserWeb->Bottom + 1, m_bProgressBar ? this->Width - m_labelProgressBar->Width : this->Width, 12 );
				this->m_labelStatusBar->Visible = true;
			}
		}
	}

	// WebBrowser Handlers
	////////////////////////////////////////////////////
	void WebBrowserPage::OnWebStateChange( Object* sender, DWebBrowserEvents2_CommandStateChangeEvent* e )
	{
		if ( e->command == WebBrowser::CommandStateChangeConstants::CSC_NAVIGATEBACK )
		{
			if ( UpdateUI )
				UpdateUI->Invoke( this, new UpdateUIEventArgs( UpdateUIElement::Back ) );
		}
		if ( e->command == WebBrowser::CommandStateChangeConstants::CSC_NAVIGATEFORWARD )
		{
			if ( UpdateUI )
				UpdateUI->Invoke( this, new UpdateUIEventArgs( UpdateUIElement::Forward ) );
		}
	}

	void WebBrowserPage::OnWebProgressChange( Object* sender, DWebBrowserEvents2_ProgressChangeEvent* e )
	{
		double dProgress = e->progress;
		double dMax = e->progressMax;
		double dWidth = ( dProgress / dMax ) * 50;
		m_labelProgressBar->Width = dWidth;
	}

	void WebBrowserPage::OnWebTitleChange( Object* sender, DWebBrowserEvents2_TitleChangeEvent* e )
	{
		// UpdateUI
		if ( UpdateUI )
			UpdateUI->Invoke( this, new UpdateUIEventArgs( UpdateUIElement::Title ) );
	}

	/*void WebBrowserPage::OnWebBeforeNavigate ( Object* sender, DWebBrowserEvents2_BeforeNavigate2Event* e )
	{
	}*/

	void WebBrowserPage::OnWebStatusChange ( Object* sender, DWebBrowserEvents2_StatusTextChangeEvent* e )
	{
		m_labelStatusBar->Text = e->text;
	}

	void WebBrowserPage::OnWebNavigateComplete ( Object* sender, DWebBrowserEvents2_NavigateComplete2Event* e )
	{
		if ( UpdateUI )
			UpdateUI->Invoke( this, new UpdateUIEventArgs( UpdateUIElement::Address ) );
	}

	/*void WebBrowserPage::OnWebDocumentComplete ( Object* sender, DWebBrowserEvents2_DocumentCompleteEvent* e )
	{	
	}*/
}