provider.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <memory>
#include <rtl/ustring.hxx>
#include <ucbhelper/providerhelper.hxx>
#include <com/sun/star/container/XContainerListener.hpp>
#include <com/sun/star/container/XContainer.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
 
namespace chelp {
 
// URL scheme. This is the scheme the provider will be able to create
// contents for. The UCB will select the provider ( i.e. in order to create
// contents ) according to this scheme.
 
#define MYUCP_URL_SCHEME        "vnd.sun.star.help"
inline constexpr OUStringLiteral MYUCP_CONTENT_TYPE = u"application/vnd.sun.star.xmlhelp";    // UCB Content Type.
 
    class Databases;
 
    typedef cppu::ImplInheritanceHelper< ::ucbhelper::ContentProviderImplHelper, css::container::XContainerListener, css::lang::XComponent> ContentProvider_Base;
    class ContentProvider : public ContentProvider_Base
    {
    public:
        explicit ContentProvider(
            const css::uno::Reference< css::uno::XComponentContext >& rxContext );
 
        virtual ~ContentProvider() override;
 
        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName() override;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 
        // XContentProvider
        virtual css::uno::Reference< css::ucb::XContent > SAL_CALL queryContent(
                const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier ) override;
 
        // Additional interfaces
 
        // XComponent
 
        virtual void SAL_CALL
        dispose(  ) override;
 
        virtual void SAL_CALL
        addEventListener( const css::uno::Reference< css::lang::XEventListener >& ) override {}
 
        virtual void SAL_CALL
        removeEventListener( const css::uno::Reference< css::lang::XEventListener >& ) override {}
 
        // XContainerListener ( derive from XEventListener )
 
        virtual void SAL_CALL
        disposing( const css::lang::EventObject& /*Source*/ ) override
        {
            m_xContainer.clear();
        }
 
        virtual void SAL_CALL
        elementInserted( const css::container::ContainerEvent& ) override {}
 
        virtual void SAL_CALL
        elementRemoved( const css::container::ContainerEvent& ) override {}
 
        virtual void SAL_CALL
        elementReplaced( const css::container::ContainerEvent& Event ) override;
 
        // Non-interface methods.
 
    private:
        bool                           isInitialized;
        std::unique_ptr<Databases>     m_pDatabases;
        css::uno::Reference<css::container::XContainer> m_xContainer;
 
        // private methods
 
        void init();
 
        static void subst( OUString& instpath );
    };
 
}
 
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