initial

public/movieobjects/dmeusersettings.h

@@ -0,0 +1,114 @@
+//============ Copyright (c) Valve Corporation, All rights reserved. ============
+
+#ifndef DMEUSERSETTINGS_H
+#define DMEUSERSETTINGS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "datamodel/dmelement.h"
+#include "idmeusersettingschangedlistener.h"
+
+//-----------------------------------------------------------------------------
+
+class CDmeUserSettings : public CDmElement
+{
+	DEFINE_ELEMENT( CDmeUserSettings, CDmElement );
+
+public:
+	static CDmeUserSettings *SharedUserSettings();
+
+	template< class T> static void InitSettingsValue( const char *pRegistryPath, const T& value);
+	template< class T> static void SetSettingsValue( const char *pRegistryPath, const T& value);
+	template< class T > static const T& GetSettingsValue( const char *pRegistryPath, const T& defaultValue );
+	virtual CDmeUserSettings *GetUserSettingsForRegistryPath( const char *pRegistryPath );
+
+	virtual void OnAttributeChanged( CDmAttribute *pAttribute );
+
+	virtual void AddUserSettingsChangedListener( IDmeUserSettingsChangedListener *pListener );
+	
+protected:
+	
+
+private:
+	CDmAttribute *FindAttributeForRegistryPath( const char *pRegistryPath );
+	const char *FindRegistryPathForAttribute( CDmAttribute *pAttribute );
+
+	bool RegistryPathHasValue( const char *pRegistryPath );
+	void SetAttributeFromRegistry( CDmAttribute *pAttribute, const char *pRegistryPath );
+	void SetRegistryFromAttribute( CDmAttribute *pAttribute, const char *pRegistryPath );
+	
+	void GetAttributeNameFromRegistryPath( const char *pRegistryPath, char *pAttributeName, int nAttributeNameLength );
+	void SetAttributeForRegistryPathInDatabase( CDmAttribute *pAttribute, const char *pRegistryPath );
+
+	void CreateRegistryEntryAndValueKey( const char *pRegistryPath, char *pEntryKey, int nEntryKeyLength, char *pValueKey, int nValueKeyLength );
+	bool GetRegistryString(const char *pRegistryPath, char *pStringValue, int nStringValueLen);
+	bool SetRegistryString(const char *pRegistryPath, const char *pStringValue);
+
+	static CUtlVector< IDmeUserSettingsChangedListener * > s_UserSettingsChangedListeners;
+};
+
+//-----------------------------------------------------------------------------
+
+template< class T >
+void CDmeUserSettings::InitSettingsValue( const char *pRegistryPath, const T& value )
+{
+	CDmAttribute *pAttribute = SharedUserSettings()->FindAttributeForRegistryPath( pRegistryPath );
+	if( pAttribute )
+	{
+		SharedUserSettings()->SetAttributeFromRegistry( pAttribute, pRegistryPath );
+	}
+	else
+	{
+		CDmElement *pUserSettingGroup = SharedUserSettings()->GetUserSettingsForRegistryPath( pRegistryPath );
+		char pAttributeName[255];
+		SharedUserSettings()->GetAttributeNameFromRegistryPath( pRegistryPath, pAttributeName, 255);
+		if( pUserSettingGroup )
+		{
+			pAttribute = pUserSettingGroup->InitValue( pAttributeName, value );
+			if( pAttribute )
+			{
+				pAttribute->AddFlag( FATTRIB_HAS_CALLBACK );
+				SharedUserSettings()->SetAttributeForRegistryPathInDatabase( pAttribute, pRegistryPath );
+				if( SharedUserSettings()->RegistryPathHasValue( pRegistryPath ) )
+				{
+					SharedUserSettings()->SetAttributeFromRegistry( pAttribute, pRegistryPath );
+				}
+				else
+				{
+					SharedUserSettings()->SetRegistryFromAttribute( pAttribute, pRegistryPath );
+				}
+			}
+		}
+	}
+}
+
+template< class T >
+void CDmeUserSettings::SetSettingsValue( const char *pRegistryPath, const T& value )
+{
+	CDmAttribute *pAttribute = SharedUserSettings()->FindAttributeForRegistryPath( pRegistryPath );
+	if( pAttribute )
+	{
+		pAttribute->SetValue( value );
+	}
+	else
+	{
+		InitSettingsValue( pRegistryPath, value );
+	}
+}
+
+template< class T >
+const T& CDmeUserSettings::GetSettingsValue( const char *pRegistryPath, const T& defaultValue )
+{
+	CDmAttribute *pAttribute = SharedUserSettings()->FindAttributeForRegistryPath( pRegistryPath );
+	if( pAttribute )
+	{
+		return pAttribute->GetValue< T >( defaultValue );
+	}
+	else
+	{
+		return defaultValue;
+	}
+}
+
+#endif // DMEUSERSETTINGS_H