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serverbrowser/LanGames.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#include "pch_serverbrowser.h"
+
+using namespace vgui;
+
+const float BROADCAST_LIST_TIMEOUT = 0.4f;
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CLanGames::CLanGames(vgui::Panel *parent, bool bAutoRefresh, const char *pCustomResFilename ) : 
+	CBaseGamesPage(parent, "LanGames", eLANServer, pCustomResFilename)
+{
+	m_iServerRefreshCount = 0;
+	m_bRequesting = false;
+	m_bAutoRefresh = bAutoRefresh;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+CLanGames::~CLanGames()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Activates the page, starts refresh
+//-----------------------------------------------------------------------------
+void CLanGames::OnPageShow()
+{
+	if ( m_bAutoRefresh )
+		StartRefresh();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called every frame
+//-----------------------------------------------------------------------------
+void CLanGames::OnTick()
+{
+	BaseClass::OnTick();
+	CheckRetryRequest();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: returns true if the game list supports the specified ui elements
+//-----------------------------------------------------------------------------
+bool CLanGames::SupportsItem(InterfaceItem_e item)
+{
+	switch (item)
+	{
+	case FILTERS:
+		return true;
+
+	case GETNEWLIST:
+	default:
+		return false;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: starts the servers refreshing
+//-----------------------------------------------------------------------------
+void CLanGames::StartRefresh()
+{
+	BaseClass::StartRefresh();
+	m_fRequestTime = Plat_FloatTime();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Control which button are visible.
+//-----------------------------------------------------------------------------
+void CLanGames::ManualShowButtons( bool bShowConnect, bool bShowRefreshAll, bool bShowFilter )
+{
+	m_pConnect->SetVisible( bShowConnect );
+	m_pRefreshAll->SetVisible( bShowRefreshAll );
+	m_pFilter->SetVisible( bShowFilter );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: stops current refresh/GetNewServerList()
+//-----------------------------------------------------------------------------
+void CLanGames::StopRefresh()
+{
+	BaseClass::StopRefresh();
+	// clear update states
+	m_bRequesting = false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Check to see if we've finished looking for local servers
+//-----------------------------------------------------------------------------
+void CLanGames::CheckRetryRequest()
+{
+	if (!m_bRequesting)
+		return;
+
+	double curtime = Plat_FloatTime();
+	if (curtime - m_fRequestTime <= BROADCAST_LIST_TIMEOUT)
+	{
+		return;
+	}
+
+	// time has elapsed, finish up
+	m_bRequesting = false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: called when a server response has timed out, remove it
+//-----------------------------------------------------------------------------
+void CLanGames::ServerFailedToRespond( HServerListRequest hReq, int iServer )
+{
+	int iServerMap = m_mapServers.Find( iServer );
+	if ( iServerMap != m_mapServers.InvalidIndex() )
+		RemoveServer( m_mapServers[ iServerMap ] );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: called when the current refresh list is complete
+//-----------------------------------------------------------------------------
+void CLanGames::RefreshComplete( HServerListRequest hReq, EMatchMakingServerResponse response )
+{
+	SetRefreshing( false );
+	m_pGameList->SortList();
+	m_iServerRefreshCount = 0;
+	m_pGameList->SetEmptyListText("#ServerBrowser_NoLanServers");
+	SetEmptyListText();
+
+	BaseClass::RefreshComplete( hReq, response );
+}
+
+void CLanGames::SetEmptyListText()
+{
+	m_pGameList->SetEmptyListText("#ServerBrowser_NoLanServers");
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: opens context menu (user right clicked on a server)
+//-----------------------------------------------------------------------------
+void CLanGames::OnOpenContextMenu(int row)
+{
+	int serverID = GetSelectedServerID();
+
+	if ( serverID == -1 )
+		return;
+
+	// Activate context menu
+	CServerContextMenu *menu = ServerBrowserDialog().GetContextMenu(GetActiveList());
+	menu->ShowMenu(this, serverID, true, true, true, false);
+}
+