80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER
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#define SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER
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#include "precompiled_sd.hxx"
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#include <com/sun/star/rendering/XSpriteCanvas.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/shared_ptr.hpp>
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#include <sal/types.h>
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#include <tools/solar.h>
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#include <tools/link.hxx>
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#include <vector>
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namespace css = ::com::sun::star;
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namespace sd { namespace presenter {
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/** Each UpdateRequester handles update requests (calls to
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XCanvas::updateScreen()) for one shared canvas (a canvas that has one or
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more PresenterCanvas wrappers). Multiple calls are collected and lead
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to a single call to updateScreen.
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*/
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class CanvasUpdateRequester : private ::boost::noncopyable
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{
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public:
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/** Return the Canvas UpdateRequester object for the given shared
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canvas. A new object is created when it does not already exist.
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*/
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static ::boost::shared_ptr<CanvasUpdateRequester> Instance (
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const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas);
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void RequestUpdate (const sal_Bool bUpdateAll);
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private:
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CanvasUpdateRequester (const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas);
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~CanvasUpdateRequester (void);
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class Deleter; friend class Deleter;
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typedef ::std::vector<
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::std::pair<
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css::uno::Reference<css::rendering::XSpriteCanvas>,
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::boost::shared_ptr<CanvasUpdateRequester> > > RequesterMap;
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static RequesterMap maRequesterMap;
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css::uno::Reference<css::rendering::XSpriteCanvas> mxCanvas;
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ULONG mnUserEventId;
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sal_Bool mbUpdateFlag;
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DECL_LINK(Callback, void*);
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};
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} } // end of namespace ::sd::presenter
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#endif
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