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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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 *************************************************************/



#ifndef SD_FRAMEWORK_RESOURCE_FACTORY_MANAGER_HXX
#define SD_FRAMEWORK_RESOURCE_FACTORY_MANAGER_HXX

#include <com/sun/star/drawing/framework/XControllerManager.hpp>
#include <com/sun/star/drawing/framework/XModuleController.hpp>
#include <com/sun/star/drawing/framework/XResourceFactoryManager.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <osl/mutex.hxx>
#include <comphelper/stl_types.hxx>
#include <hash_map>

namespace css = ::com::sun::star;

namespace sd { namespace framework {

/** Container of resource factories of the drawing framework.
*/
class ResourceFactoryManager
{
public:
    ResourceFactoryManager (
        const css::uno::Reference<css::drawing::framework::XControllerManager>& rxManager);

    ~ResourceFactoryManager (void);

    /** Register a resource factory for one type of resource.
        @param rsURL
            The type of the resource that will be created by the factory.
        @param rxFactory
            The factory that will create resource objects of the specfied type.
    */
    void AddFactory (
        const ::rtl::OUString& rsURL,
        const css::uno::Reference<css::drawing::framework::XResourceFactory>& rxFactory)
        throw (css::uno::RuntimeException);

    /** Unregister the specifed factory.
        @param rsURL
            Unregister only the factory for this URL.  When the same factory
            is registered for other URLs then these remain registered.
    */
    void RemoveFactoryForURL(
        const ::rtl::OUString& rsURL)
        throw (css::uno::RuntimeException);

    /** Unregister the specified factory.
        @param rxFactory
            Unregister the this factory for all URLs that it has been
            registered for.
    */
    void RemoveFactoryForReference(
        const css::uno::Reference<css::drawing::framework::XResourceFactory>& rxFactory)
        throw (css::uno::RuntimeException);

    /** Return a factory that can create resources specified by the given URL.
        @param rsCompleteURL
            This URL specifies the type of the resource.  It may contain arguments.
        @return
            When a factory for the specified URL has been registered by a
            previous call to AddFactory() then a reference to that factory
            is returned.  Otherwise an empty reference is returned.
    */
    css::uno::Reference<css::drawing::framework::XResourceFactory> GetFactory (
        const ::rtl::OUString& rsURL)
        throw (css::uno::RuntimeException);

private:
    ::osl::Mutex maMutex;
    typedef ::std::hash_map<
        ::rtl::OUString,
        css::uno::Reference<css::drawing::framework::XResourceFactory>,
        ::comphelper::UStringHash,
        ::comphelper::UStringEqual> FactoryMap;
    FactoryMap maFactoryMap;

    typedef ::std::vector<
        ::std::pair<
            rtl::OUString, 
            css::uno::Reference<css::drawing::framework::XResourceFactory> > >
        FactoryPatternList;
    FactoryPatternList maFactoryPatternList;

    css::uno::Reference<css::drawing::framework::XControllerManager> mxControllerManager;
    css::uno::Reference<css::util::XURLTransformer> mxURLTransformer;

    /** Look up the factory for the given URL.
        @param rsURLBase
            The css::tools::URL.Main part of a URL. Arguments have to be
            stripped off by the caller.
        @return
            When the factory has not yet been added then return NULL.
    */
    css::uno::Reference<css::drawing::framework::XResourceFactory> FindFactory (
        const ::rtl::OUString& rsURLBase)
        throw (css::uno::RuntimeException);
};


} } // end of namespace sd::framework

#endif