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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER
#define SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER
#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 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;
sal_uLong mnUserEventId;
sal_Bool mbUpdateFlag;
DECL_LINK(Callback, void*);
};
} } // end of namespace ::sd::presenter
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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