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Diffstat (limited to 'sd/source/ui/presenter/CanvasUpdateRequester.hxx')
-rw-r--r-- | sd/source/ui/presenter/CanvasUpdateRequester.hxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sd/source/ui/presenter/CanvasUpdateRequester.hxx b/sd/source/ui/presenter/CanvasUpdateRequester.hxx new file mode 100644 index 000000000000..6a93f5e85d27 --- /dev/null +++ b/sd/source/ui/presenter/CanvasUpdateRequester.hxx @@ -0,0 +1,80 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER +#define SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER + +#include "precompiled_sd.hxx" + +#include <com/sun/star/rendering/XSpriteCanvas.hpp> +#include <boost/noncopyable.hpp> +#include <boost/shared_ptr.hpp> +#include <sal/types.h> +#include <tools/solar.h> +#include <tools/link.hxx> +#include <vector> + +namespace css = ::com::sun::star; + +namespace sd { namespace presenter { + +/** Each UpdateRequester handles update requests (calls to + XCanvas::updateScreen()) for one shared canvas (a canvas that has one or + more PresenterCanvas wrappers). Multiple calls are collected and lead + to a single call to updateScreen. +*/ +class CanvasUpdateRequester : private ::boost::noncopyable +{ +public: + /** Return the Canvas UpdateRequester object for the given shared + canvas. A new object is created when it does not already exist. + */ + static ::boost::shared_ptr<CanvasUpdateRequester> Instance ( + const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); + + void RequestUpdate (const sal_Bool bUpdateAll); + +private: + CanvasUpdateRequester (const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); + ~CanvasUpdateRequester (void); + class Deleter; friend class Deleter; + + typedef ::std::vector< + ::std::pair< + css::uno::Reference<css::rendering::XSpriteCanvas>, + ::boost::shared_ptr<CanvasUpdateRequester> > > RequesterMap; + static RequesterMap maRequesterMap; + + css::uno::Reference<css::rendering::XSpriteCanvas> mxCanvas; + ULONG mnUserEventId; + sal_Bool mbUpdateFlag; + DECL_LINK(Callback, void*); +}; + +} } // end of namespace ::sd::presenter + +#endif |