LibreOffice Module sd (master) 1
CanvasUpdateRequester.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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19
20#pragma once
21
22#include <com/sun/star/uno/Reference.hxx>
23#include <tools/link.hxx>
24#include <memory>
25
27{
28class XSpriteCanvas;
29}
30
31struct ImplSVEvent;
32
33namespace sd::presenter
34{
40class CanvasUpdateRequester : public std::enable_shared_from_this<CanvasUpdateRequester>
41{
42public:
45
49 static std::shared_ptr<CanvasUpdateRequester>
50 Instance(const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas);
51
52 void RequestUpdate(const bool bUpdateAll);
53
54private:
56 const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas);
58 class Deleter;
59 friend class Deleter;
60
62 std::shared_ptr<CanvasUpdateRequester> m_pThis;
63 css::uno::Reference<css::rendering::XSpriteCanvas> mxCanvas;
66
67 DECL_LINK(Callback, void*, void);
68};
69
70} // end of namespace ::sd::presenter
71
72/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Each UpdateRequester handles update requests (calls to XCanvas::updateScreen()) for one shared canvas...
static std::shared_ptr< CanvasUpdateRequester > Instance(const css::uno::Reference< css::rendering::XSpriteCanvas > &rxCanvas)
DECL_LINK(Callback, void *, void)
std::shared_ptr< CanvasUpdateRequester > m_pThis
keep instance alive waiting for event dispatch
CanvasUpdateRequester(const CanvasUpdateRequester &)=delete
CanvasUpdateRequester(const css::uno::Reference< css::rendering::XSpriteCanvas > &rxCanvas)
CanvasUpdateRequester & operator=(const CanvasUpdateRequester &)=delete
css::uno::Reference< css::rendering::XSpriteCanvas > mxCanvas