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Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/waitsymbol.hxx | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/slideshow/source/engine/waitsymbol.hxx b/slideshow/source/engine/waitsymbol.hxx new file mode 100644 index 000000000..b5cdadda3 --- /dev/null +++ b/slideshow/source/engine/waitsymbol.hxx @@ -0,0 +1,90 @@ +/* -*- 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 INCLUDED_SLIDESHOW_SOURCE_ENGINE_WAITSYMBOL_HXX +#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_WAITSYMBOL_HXX + +#include <com/sun/star/rendering/XBitmap.hpp> +#include <cppcanvas/sprite.hxx> + +#include <vieweventhandler.hxx> +#include <screenupdater.hxx> +#include <eventmultiplexer.hxx> +#include <unoview.hxx> + +#include <memory> +#include <vector> + +namespace slideshow { +namespace internal { + +class EventMultiplexer; +typedef std::shared_ptr<class WaitSymbol> WaitSymbolSharedPtr; + +/// On-screen 'hour glass' for when slideshow is unresponsive +class WaitSymbol : public ViewEventHandler +{ +public: + WaitSymbol(const WaitSymbol&) = delete; + WaitSymbol& operator=(const WaitSymbol&) = delete; + + static WaitSymbolSharedPtr create( const css::uno::Reference<css::rendering::XBitmap>& xBitmap, + ScreenUpdater& rScreenUpdater, + EventMultiplexer& rEventMultiplexer, + const UnoViewContainer& rViewContainer ); + + /** Shows the wait symbol. + */ + void show() { setVisible(true); } + + /** Hides the wait symbol. + */ + void hide() { setVisible(false); } + +private: + WaitSymbol( const css::uno::Reference<css::rendering::XBitmap>& xBitmap, + ScreenUpdater& rScreenUpdater, + const UnoViewContainer& rViewContainer ); + + // ViewEventHandler + virtual void viewAdded( const UnoViewSharedPtr& rView ) override; + virtual void viewRemoved( const UnoViewSharedPtr& rView ) override; + virtual void viewChanged( const UnoViewSharedPtr& rView ) override; + virtual void viewsChanged() override; + + void setVisible( const bool bVisible ); + ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const; + + typedef ::std::vector< + ::std::pair<UnoViewSharedPtr, + cppcanvas::CustomSpriteSharedPtr> > ViewsVecT; + + css::uno::Reference<css::rendering::XBitmap> mxBitmap; + + ViewsVecT maViews; + ScreenUpdater& mrScreenUpdater; + bool mbVisible; +}; + +} // namespace internal +} // namespace presentation + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |