Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */