diff options
Diffstat (limited to 'sd/source/ui/slideshow/slideshowviewimpl.cxx')
| -rw-r--r-- | sd/source/ui/slideshow/slideshowviewimpl.cxx | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/sd/source/ui/slideshow/slideshowviewimpl.cxx b/sd/source/ui/slideshow/slideshowviewimpl.cxx new file mode 100644 index 000000000..d6addc3f8 --- /dev/null +++ b/sd/source/ui/slideshow/slideshowviewimpl.cxx @@ -0,0 +1,626 @@ +/* -*- 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 . + */ + +#include "slideshowviewimpl.hxx" +#include "slideshowimpl.hxx" +#include <sdpage.hxx> + +#include <vcl/svapp.hxx> + +#include <com/sun/star/awt/Pointer.hpp> +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/awt/XWindowPeer.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> + +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +#include <cppcanvas/vclfactory.hxx> +#include <cppcanvas/basegfxfactory.hxx> +#include <basegfx/utils/canvastools.hxx> + +#include <toolkit/helper/vclunohelper.hxx> +#include <comphelper/processfactory.hxx> + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::WeakReference; +using ::com::sun::star::uno::Exception; + +using namespace ::com::sun::star; + +namespace sd +{ + +void SlideShowViewMouseListeners::notify( std::unique_lock<std::mutex>& rGuard, const WrappedMouseEvent& rEvent ) +{ + forEach(rGuard, + [&rEvent] (const Reference<css::awt::XMouseListener>& rListener) + { + switch( rEvent.meType ) + { + case WrappedMouseEvent::PRESSED: + rListener->mousePressed( rEvent.maEvent ); + break; + + case WrappedMouseEvent::RELEASED: + rListener->mouseReleased( rEvent.maEvent ); + break; + + case WrappedMouseEvent::ENTERED: + rListener->mouseEntered( rEvent.maEvent ); + break; + + case WrappedMouseEvent::EXITED: + rListener->mouseExited( rEvent.maEvent ); + break; + } + }); +} + + +void SlideShowViewMouseMotionListeners::notify( std::unique_lock<std::mutex>& rGuard,const WrappedMouseMotionEvent& rEvent ) +{ + forEach(rGuard, + [&rEvent] (const Reference< awt::XMouseMotionListener >& rListener) + { + switch( rEvent.meType ) + { + case WrappedMouseMotionEvent::DRAGGED: + rListener->mouseDragged( rEvent.maEvent ); + break; + + case WrappedMouseMotionEvent::MOVED: + rListener->mouseMoved( rEvent.maEvent ); + break; + } + }); +} + +// SlideShowView +SlideShowView::SlideShowView( ShowWindow& rOutputWindow, + SdDrawDocument* pDoc, + AnimationMode eAnimationMode, + SlideshowImpl* pSlideShow, + bool bFullScreen ) +: mpCanvas( ::cppcanvas::VCLFactory::createSpriteCanvas( rOutputWindow ) ), + mxWindow( VCLUnoHelper::GetInterface( &rOutputWindow ), uno::UNO_SET_THROW ), + mxWindowPeer( mxWindow, uno::UNO_QUERY_THROW ), + mpSlideShow( pSlideShow ), + mrOutputWindow( rOutputWindow ), + mpDoc( pDoc ), + mbIsMouseMotionListener( false ), + meAnimationMode( eAnimationMode ), + mbFirstPaint( true ), + mbMousePressedEaten( false ) +{ + mxWindow->addWindowListener( this ); + mxWindow->addMouseListener( this ); + + mxPointer = awt::Pointer::create( ::comphelper::getProcessComponentContext() ); + + getTransformation(); + + // #i48939# only switch on kind of hacky scroll optimization, when + // running fullscreen. this minimizes the probability that other + // windows partially cover the show. + if( bFullScreen ) + { + try + { + Reference< beans::XPropertySet > xCanvasProps( getCanvas(), + uno::UNO_QUERY_THROW ); + xCanvasProps->setPropertyValue("UnsafeScrolling", + uno::Any( true ) ); + } + catch( uno::Exception& ) + { + } + } + + mTranslationOffset.Width = 0; + mTranslationOffset.Height = 0; +} + +// Dispose all internal references +void SlideShowView::disposing(std::unique_lock<std::mutex>& rGuard) +{ + mpSlideShow = nullptr; + + // deregister listeners + if( mxWindow.is() ) + { + mxWindow->removeWindowListener( this ); + mxWindow->removeMouseListener( this ); + + if( mbIsMouseMotionListener ) + mxWindow->removeMouseMotionListener( this ); + } + + mpCanvas.reset(); + mxWindow.clear(); + + // clear all listener containers + disposingImpl(rGuard); +} + +// Disposing our broadcaster +void SAL_CALL SlideShowView::disposing( const lang::EventObject& ) +{ + std::unique_lock aGuard( m_aMutex ); + + disposingImpl(aGuard); +} + +// Disposing our broadcaster +void SlideShowView::disposingImpl(std::unique_lock<std::mutex>& rGuard) +{ + // notify all listeners that _we_ are going down (send a disposing()), + // then delete listener containers: + lang::EventObject const evt( static_cast<OWeakObject *>(this) ); + if (!maViewListeners.empty()) + { + auto tmp = std::move(maViewListeners); + rGuard.unlock(); + for( const auto& rxListener : tmp ) + { + Reference< util::XModifyListener > xListener( rxListener ); + if( xListener.is() ) + xListener->disposing( evt ); + } + rGuard.lock(); + } + if (maPaintListeners.getLength(rGuard)) + { + maPaintListeners.disposeAndClear( rGuard, evt ); + rGuard.lock(); + } + if (maMouseListeners.getLength(rGuard)) + { + maMouseListeners.disposeAndClear( rGuard, evt ); + rGuard.lock(); + } + if (maMouseMotionListeners.getLength(rGuard)) + { + maMouseMotionListeners.disposeAndClear( rGuard, evt ); + rGuard.lock(); + } +} + +void SlideShowView::paint( const awt::PaintEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + + if( mbFirstPaint ) + { + mbFirstPaint = false; + SlideshowImpl* pSlideShow = mpSlideShow; + aGuard.unlock(); + if( pSlideShow ) + pSlideShow->onFirstPaint(); + } + else + { + // Change event source, to enable listeners to match event + // with view + awt::PaintEvent aEvent( e ); + aEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + maPaintListeners.notifyEach( aGuard, &css::awt::XPaintListener::windowPaint, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! + } +} + +// XSlideShowView methods +Reference< rendering::XSpriteCanvas > SAL_CALL SlideShowView::getCanvas( ) +{ + std::unique_lock aGuard( m_aMutex ); + + return mpCanvas ? mpCanvas->getUNOSpriteCanvas() : Reference< rendering::XSpriteCanvas >(); +} + +void SAL_CALL SlideShowView::clear() +{ + // paint background in black + std::unique_lock aGuard( m_aMutex ); + SolarMutexGuard aSolarGuard; + + // fill the bounds rectangle in black + + const Size aWindowSize( mrOutputWindow.GetSizePixel() ); + + ::basegfx::B2DPolygon aPoly( ::basegfx::utils::createPolygonFromRect( + ::basegfx::B2DRectangle(0.0,0.0, + aWindowSize.Width(), + aWindowSize.Height() ) ) ); + ::cppcanvas::PolyPolygonSharedPtr pPolyPoly( + ::cppcanvas::BaseGfxFactory::createPolyPolygon( mpCanvas, aPoly ) ); + + if( pPolyPoly ) + { + pPolyPoly->setRGBAFillColor( 0x000000FFU ); + pPolyPoly->draw(); + } +} + +geometry::IntegerSize2D SAL_CALL SlideShowView::getTranslationOffset( ) +{ + return mTranslationOffset; +} + +geometry::AffineMatrix2D SAL_CALL SlideShowView::getTransformation( ) +{ + std::unique_lock aGuard( m_aMutex ); + SolarMutexGuard aSolarGuard; + + const Size& rTmpSize( mrOutputWindow.GetSizePixel() ); + + if (rTmpSize.IsEmpty()) + { + return geometry::AffineMatrix2D (1,0,0,0,1,0); + } + + const Size aWindowSize( mrOutputWindow.GetSizePixel() ); + Size aOutputSize( aWindowSize ); + + if( meAnimationMode != ANIMATIONMODE_SHOW ) + { + aOutputSize.setWidth( static_cast<::tools::Long>( aOutputSize.Width() / 1.03 ) ); + aOutputSize.setHeight( static_cast<::tools::Long>( aOutputSize.Height() / 1.03 ) ); + } + + SdPage* pP = mpDoc->GetSdPage( 0, PageKind::Standard ); + Size aPageSize( pP->GetSize() ); + + const double page_ratio = static_cast<double>(aPageSize.Width()) / static_cast<double>(aPageSize.Height()); + const double output_ratio = static_cast<double>(aOutputSize.Width()) / static_cast<double>(aOutputSize.Height()); + + if( page_ratio > output_ratio ) + { + aOutputSize.setHeight( ( aOutputSize.Width() * aPageSize.Height() ) / aPageSize.Width() ); + } + else if( page_ratio < output_ratio ) + { + aOutputSize.setWidth( ( aOutputSize.Height() * aPageSize.Width() ) / aPageSize.Height() ); + } + + Point aOutputOffset( ( aWindowSize.Width() - aOutputSize.Width() ) >> 1, + ( aWindowSize.Height() - aOutputSize.Height() ) >> 1 ); + + // Reduce available width by one, as the slides might actually + // render one pixel wider and higher as aPageSize below specifies + // (when shapes of page size have visible border lines) + aOutputSize.AdjustWidth( -1 ); + aOutputSize.AdjustHeight( -1 ); + + // Record mTranslationOffset + mTranslationOffset.Height = aOutputOffset.Y(); + mTranslationOffset.Width = aOutputOffset.X(); + + // scale presentation into available window rect (minus 10%); center in the window + const basegfx::B2DHomMatrix aMatrix(basegfx::utils::createScaleTranslateB2DHomMatrix( + aOutputSize.Width(), aOutputSize.Height(), aOutputOffset.X(), aOutputOffset.Y())); + + geometry::AffineMatrix2D aRes; + + return ::basegfx::unotools::affineMatrixFromHomMatrix( aRes, aMatrix ); +} + +void SAL_CALL SlideShowView::addTransformationChangedListener( const Reference< util::XModifyListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (m_bDisposed) + return; + WeakReference< util::XModifyListener > xWeak( xListener ); + if( std::find( maViewListeners.begin(), maViewListeners.end(), xWeak ) == maViewListeners.end() ) + maViewListeners.push_back( xWeak ); +} + +void SAL_CALL SlideShowView::removeTransformationChangedListener( const Reference< util::XModifyListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (m_bDisposed) + return; + WeakReference< util::XModifyListener > xWeak( xListener ); + auto aIter( std::find( maViewListeners.begin(), maViewListeners.end(), xWeak ) ); + if( aIter != maViewListeners.end() ) + maViewListeners.erase( aIter ); +} + +void SAL_CALL SlideShowView::addPaintListener( const Reference< awt::XPaintListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (!m_bDisposed) + maPaintListeners.addInterface( aGuard, xListener ); +} + +void SAL_CALL SlideShowView::removePaintListener( const Reference< awt::XPaintListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (!m_bDisposed) + maPaintListeners.removeInterface( aGuard, xListener ); +} + +void SAL_CALL SlideShowView::addMouseListener( const Reference< awt::XMouseListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (!m_bDisposed) + maMouseListeners.addInterface( aGuard, xListener ); +} + +void SAL_CALL SlideShowView::removeMouseListener( const Reference< awt::XMouseListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (!m_bDisposed) + maMouseListeners.removeInterface( aGuard, xListener ); +} + +void SAL_CALL SlideShowView::addMouseMotionListener( const Reference< awt::XMouseMotionListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (m_bDisposed) + return; + + if( !mbIsMouseMotionListener && mxWindow.is() ) + { + // delay motion event registration, until we really + // need it + mbIsMouseMotionListener = true; + mxWindow->addMouseMotionListener( this ); + } + + maMouseMotionListeners.addInterface( aGuard, xListener ); +} + +void SAL_CALL SlideShowView::removeMouseMotionListener( const Reference< awt::XMouseMotionListener >& xListener ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (!m_bDisposed) + maMouseMotionListeners.removeInterface( aGuard, xListener ); + + // TODO(P1): Might be nice to deregister for mouse motion + // events, when the last listener is gone. +} + +void SAL_CALL SlideShowView::setMouseCursor( sal_Int16 nPointerShape ) +{ + std::unique_lock aGuard( m_aMutex ); + + // forward to window + if( mxPointer.is() ) + mxPointer->setType( nPointerShape ); + + if( mxWindowPeer.is() ) + mxWindowPeer->setPointer( mxPointer ); +} + +awt::Rectangle SAL_CALL SlideShowView::getCanvasArea( ) +{ + awt::Rectangle aRectangle; + + if( mxWindow.is() ) + return mxWindow->getPosSize(); + + aRectangle.X = aRectangle.Y = aRectangle.Width = aRectangle.Height = 0; + + return aRectangle; +} + +void SlideShowView::updateimpl( std::unique_lock<std::mutex>& rGuard, SlideshowImpl* pSlideShow ) +{ + if( !pSlideShow ) + return; + + ::rtl::Reference< SlideshowImpl > xKeepAlive( pSlideShow ); + + if( mbFirstPaint ) + { + mbFirstPaint = false; + SlideshowImpl* pTmpSlideShow = mpSlideShow; + rGuard.unlock(); + if( pTmpSlideShow ) + pTmpSlideShow->onFirstPaint(); + } else + rGuard.unlock(); + + pSlideShow->startUpdateTimer(); +} + +// XWindowListener methods +void SAL_CALL SlideShowView::windowResized( const awt::WindowEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + + if (m_bDisposed) + return; + + if (!maViewListeners.empty()) + { + // Change event source, to enable listeners to match event + // with view + awt::WindowEvent aEvent( e ); + aEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + auto aIter( maViewListeners.begin() ); + while( aIter != maViewListeners.end() ) + { + Reference< util::XModifyListener > xListener( *aIter ); + if( xListener.is() ) + { + aGuard.unlock(); + xListener->modified( aEvent ); + aGuard.lock(); + ++aIter; + } + else + { + aIter = maViewListeners.erase( aIter ); + } + } + } + + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! +} + +void SAL_CALL SlideShowView::windowMoved( const awt::WindowEvent& ) +{ + // ignored +} + +void SAL_CALL SlideShowView::windowShown( const lang::EventObject& ) +{ + // ignored +} + +void SAL_CALL SlideShowView::windowHidden( const lang::EventObject& ) +{ + // ignored +} + +// XMouseListener implementation +void SAL_CALL SlideShowView::mousePressed( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + if( mpSlideShow && mpSlideShow->isInputFreezed() ) + { + mbMousePressedEaten = true; + } + else + { + mbMousePressedEaten = false; + + // Change event source, to enable listeners to match event + // with view + WrappedMouseEvent aEvent; + aEvent.meType = WrappedMouseEvent::PRESSED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! + } +} + +void SAL_CALL SlideShowView::mouseReleased( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + if( mbMousePressedEaten ) + { + // if mouse button down was ignored, also ignore mouse button up + mbMousePressedEaten = false; + } + else if( mpSlideShow && !mpSlideShow->isInputFreezed() ) + { + // Change event source, to enable listeners to match event + // with view + WrappedMouseEvent aEvent; + aEvent.meType = WrappedMouseEvent::RELEASED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! + } +} + +void SAL_CALL SlideShowView::mouseEntered( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + // Change event source, to enable listeners to match event + // with view + WrappedMouseEvent aEvent; + aEvent.meType = WrappedMouseEvent::ENTERED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! +} + +void SAL_CALL SlideShowView::mouseExited( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + // Change event source, to enable listeners to match event + // with view + WrappedMouseEvent aEvent; + aEvent.meType = WrappedMouseEvent::EXITED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! +} + +// XMouseMotionListener implementation +void SAL_CALL SlideShowView::mouseDragged( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + // Change event source, to enable listeners to match event + // with view + WrappedMouseMotionEvent aEvent; + aEvent.meType = WrappedMouseMotionEvent::DRAGGED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseMotionListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! +} + +void SAL_CALL SlideShowView::mouseMoved( const awt::MouseEvent& e ) +{ + std::unique_lock aGuard( m_aMutex ); + if (m_bDisposed) + return; + + // Change event source, to enable listeners to match event + // with view + WrappedMouseMotionEvent aEvent; + aEvent.meType = WrappedMouseMotionEvent::MOVED; + aEvent.maEvent = e; + aEvent.maEvent.Source = static_cast< ::cppu::OWeakObject* >( this ); + + maMouseMotionListeners.notify( aGuard, aEvent ); + updateimpl( aGuard, mpSlideShow ); // warning: clears guard! +} + +} // namespace ::sd + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |