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Diffstat (limited to 'slideshow/source/engine/waitsymbol.cxx')
| -rw-r--r-- | slideshow/source/engine/waitsymbol.cxx | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/slideshow/source/engine/waitsymbol.cxx b/slideshow/source/engine/waitsymbol.cxx new file mode 100644 index 000000000000..c96b11f6d4e9 --- /dev/null +++ b/slideshow/source/engine/waitsymbol.cxx @@ -0,0 +1,211 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_slideshow.hxx" + +#include <boost/current_function.hpp> +#include <canvas/canvastools.hxx> + +#include <comphelper/anytostring.hxx> +#include <cppuhelper/exc_hlp.hxx> + +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/vector/b2dvector.hxx> + +#include <com/sun/star/rendering/XCanvas.hpp> + +#include "waitsymbol.hxx" +#include "eventmultiplexer.hxx" + +#include <o3tl/compat_functional.hxx> +#include <algorithm> + + +using namespace com::sun::star; + +namespace slideshow { +namespace internal { + +const sal_Int32 LEFT_BORDER_SPACE = 10; +const sal_Int32 LOWER_BORDER_SPACE = 10; + +WaitSymbolSharedPtr WaitSymbol::create( const uno::Reference<rendering::XBitmap>& xBitmap, + ScreenUpdater& rScreenUpdater, + EventMultiplexer& rEventMultiplexer, + const UnoViewContainer& rViewContainer ) +{ + WaitSymbolSharedPtr pRet( + new WaitSymbol( xBitmap, + rScreenUpdater, + rViewContainer )); + + rEventMultiplexer.addViewHandler( pRet ); + + return pRet; +} + +WaitSymbol::WaitSymbol( uno::Reference<rendering::XBitmap> const & xBitmap, + ScreenUpdater& rScreenUpdater, + const UnoViewContainer& rViewContainer ) : + mxBitmap(xBitmap), + maViews(), + mrScreenUpdater( rScreenUpdater ), + mbVisible(false) +{ + std::for_each( rViewContainer.begin(), + rViewContainer.end(), + boost::bind( &WaitSymbol::viewAdded, + this, + _1 )); +} + +void WaitSymbol::setVisible( const bool bVisible ) +{ + if( mbVisible != bVisible ) + { + mbVisible = bVisible; + + ViewsVecT::const_iterator aIter( maViews.begin() ); + ViewsVecT::const_iterator const aEnd ( maViews.end() ); + while( aIter != aEnd ) + { + if( aIter->second ) + { + if( bVisible ) + aIter->second->show(); + else + aIter->second->hide(); + } + + ++aIter; + } + + // sprites changed, need a screen update for this frame. + mrScreenUpdater.requestImmediateUpdate(); + } +} + +basegfx::B2DPoint WaitSymbol::calcSpritePos( + UnoViewSharedPtr const & rView ) const +{ + const uno::Reference<rendering::XBitmap> xBitmap( rView->getCanvas()->getUNOCanvas(), + uno::UNO_QUERY_THROW ); + const geometry::IntegerSize2D realSize( xBitmap->getSize() ); + return basegfx::B2DPoint( + std::min<sal_Int32>( realSize.Width, LEFT_BORDER_SPACE ), + std::max<sal_Int32>( 0, realSize.Height - mxBitmap->getSize().Height + - LOWER_BORDER_SPACE ) ); +} + +void WaitSymbol::viewAdded( const UnoViewSharedPtr& rView ) +{ + cppcanvas::CustomSpriteSharedPtr sprite; + + try + { + const geometry::IntegerSize2D spriteSize( mxBitmap->getSize() ); + sprite = rView->createSprite( basegfx::B2DVector( spriteSize.Width, + spriteSize.Height ), + 1000.0 ); // sprite should be in front of all + // other sprites + rendering::ViewState viewState; + canvas::tools::initViewState( viewState ); + rendering::RenderState renderState; + canvas::tools::initRenderState( renderState ); + sprite->getContentCanvas()->getUNOCanvas()->drawBitmap( + mxBitmap, viewState, renderState ); + + sprite->setAlpha( 0.9 ); + sprite->movePixel( calcSpritePos( rView ) ); + if( mbVisible ) + sprite->show(); + } + catch( uno::Exception& ) + { + OSL_FAIL( rtl::OUStringToOString( + comphelper::anyToString( cppu::getCaughtException() ), + RTL_TEXTENCODING_UTF8 ).getStr() ); + } + + maViews.push_back( ViewsVecT::value_type( rView, sprite ) ); +} + +void WaitSymbol::viewRemoved( const UnoViewSharedPtr& rView ) +{ + maViews.erase( + std::remove_if( + maViews.begin(), maViews.end(), + boost::bind( + std::equal_to<UnoViewSharedPtr>(), + rView, + // select view: + boost::bind( o3tl::select1st<ViewsVecT::value_type>(), _1 ) ) ), + maViews.end() ); +} + +void WaitSymbol::viewChanged( const UnoViewSharedPtr& rView ) +{ + // find entry corresponding to modified view + ViewsVecT::iterator aModifiedEntry( + std::find_if( + maViews.begin(), + maViews.end(), + boost::bind( + std::equal_to<UnoViewSharedPtr>(), + rView, + // select view: + boost::bind( o3tl::select1st<ViewsVecT::value_type>(), _1 )))); + + OSL_ASSERT( aModifiedEntry != maViews.end() ); + if( aModifiedEntry == maViews.end() ) + return; + + if( aModifiedEntry->second ) + aModifiedEntry->second->movePixel( + calcSpritePos(aModifiedEntry->first) ); +} + +void WaitSymbol::viewsChanged() +{ + // reposition sprites on all views + ViewsVecT::const_iterator aIter( maViews.begin() ); + ViewsVecT::const_iterator const aEnd ( maViews.end() ); + while( aIter != aEnd ) + { + if( aIter->second ) + aIter->second->movePixel( + calcSpritePos( aIter->first )); + ++aIter; + } +} + +} // namespace internal +} // namespace presentation + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |