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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCOREDECORATORINSTANCER_H
#define ROCKETCOREDECORATORINSTANCER_H
#include "ReferenceCountable.h"
#include "Header.h"
#include "PropertyDictionary.h"
#include "PropertySpecification.h"
namespace Rocket {
namespace Core {
class Decorator;
/**
An element instancer provides a method for allocating and deallocating decorators.
It is important at the same instancer that allocated a decorator releases it. This ensures there are no issues with
memory from different DLLs getting mixed up.
@author Peter Curry
*/
class ROCKETCORE_API DecoratorInstancer : public ReferenceCountable
{
public:
DecoratorInstancer();
virtual ~DecoratorInstancer();
/// Instances a decorator given the property tag and attributes from the RCSS file.
/// @param[in] name The type of decorator desired. For example, "background-decorator: simple;" is declared as type "simple".
/// @param[in] properties All RCSS properties associated with the decorator.
/// @return The decorator if it was instanced successfully, NULL if an error occured.
virtual Decorator* InstanceDecorator(const String& name, const PropertyDictionary& properties) = 0;
/// Releases the given decorator.
/// @param[in] decorator Decorator to release. This is guaranteed to have been constructed by this instancer.
virtual void ReleaseDecorator(Decorator* decorator) = 0;
/// Releases the instancer.
virtual void Release() = 0;
/// Returns the property specification associated with the instancer.
const PropertySpecification& GetPropertySpecification() const;
protected:
/// Registers a property for the decorator.
/// @param[in] property_name The name of the new property (how it is specified through RCSS).
/// @param[in] default_value The default value to be used.
/// @return The new property definition, ready to have parsers attached.
PropertyDefinition& RegisterProperty(const String& property_name, const String& default_value);
/// Registers a shorthand property definition.
/// @param[in] shorthand_name The name to register the new shorthand property under.
/// @param[in] properties A comma-separated list of the properties this definition is shorthand for. The order in which they are specified here is the order in which the values will be processed.
/// @param[in] type The type of shorthand to declare.
/// @param True if all the property names exist, false otherwise.
bool RegisterShorthand(const String& shorthand_name, const String& property_names, PropertySpecification::ShorthandType type = PropertySpecification::AUTO);
// Releases the instancer.
virtual void OnReferenceDeactivate();
private:
PropertySpecification properties;
};
}
}
#endif
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