/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: PresenterPreviewCache.hxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: kz $ $Date: 2008-04-03 14:07:50 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX
#define SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX

#include <com/sun/star/drawing/XSlidePreviewCache.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include "cache/SlsPageCache.hxx"
#include <cppuhelper/compbase2.hxx>
#include <cppuhelper/basemutex.hxx>
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>

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

namespace sd { namespace presenter {

namespace {
    typedef ::cppu::WeakComponentImplHelper2<
        css::lang::XInitialization,
        css::drawing::XSlidePreviewCache
    > PresenterPreviewCacheInterfaceBase;
}

/** Uno API wrapper around the slide preview cache.
*/
class PresenterPreviewCache
    : private ::boost::noncopyable,
      private ::cppu::BaseMutex,
      public PresenterPreviewCacheInterfaceBase
{
public:
    PresenterPreviewCache (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
    virtual ~PresenterPreviewCache (void);

    // XInitialize

    /** Accepts no arguments.  All values that are necessary to set up a
        preview cache can be provided via methods.
    */
    virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments)
        throw(css::uno::Exception,css::uno::RuntimeException);


    // XSlidePreviewCache

    virtual void SAL_CALL setDocumentSlides (
        const css::uno::Reference<css::container::XIndexAccess>& rxSlides,
        const css::uno::Reference<css::uno::XInterface>& rxDocument)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL setVisibleRange (
        sal_Int32 nFirstVisibleSlideIndex,
        sal_Int32 nLastVisibleSlideIndex)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL setPreviewSize (
        const css::geometry::IntegerSize2D& rSize)
        throw (css::uno::RuntimeException);

    virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL
        getSlidePreview (
            sal_Int32 nSlideIndex,
            const css::uno::Reference<css::rendering::XCanvas>& rxCanvas)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL addPreviewCreationNotifyListener (
        const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL removePreviewCreationNotifyListener (
        const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL pause (void)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL resume (void)
        throw (css::uno::RuntimeException);

private:
    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
    class PresenterCacheContext;
    Size maPreviewSize;
    ::boost::shared_ptr<PresenterCacheContext> mpCacheContext;
    ::boost::shared_ptr<sd::slidesorter::cache::PageCache> mpCache;

    /** This method throws a DisposedException when the object has already been
        disposed.
    */
    void ThrowIfDisposed (void) throw (css::lang::DisposedException);
};

} } // end of namespace ::sd::presenter

#endif