09b546cf9c
With enabled -Woverloaded-virtual gcc warning (see http://lists.freedesktop.org/archives/libreoffice/2011-March/009567.html), canvas exposed a nasty clash between WeakComponentImplHelper::disposing and XEventListener::disposing. Fixed by overriding *once* in baseclass, and then calling disambiguated, renamed methods.
164 lines
5.5 KiB
C++
164 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_canvas.hxx"
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#include <canvas/debug.hxx>
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#include <canvas/verbosetrace.hxx>
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#include <canvas/canvastools.hxx>
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#include <tools/diagnose_ex.h>
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#include <com/sun/star/registry/XRegistryKey.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/lang/NoSupportException.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <vcl/canvastools.hxx>
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#include <vcl/outdev.hxx>
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#include <vcl/window.hxx>
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#include <vcl/bitmapex.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <algorithm>
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#include "canvas.hxx"
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#include "windowoutdevholder.hxx"
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using namespace ::com::sun::star;
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namespace vclcanvas
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{
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namespace
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{
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class OutDevHolder : public OutDevProvider,
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private ::boost::noncopyable
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{
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public:
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explicit OutDevHolder( OutputDevice& rOutDev ) :
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mrOutDev(rOutDev)
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{}
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private:
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virtual OutputDevice& getOutDev() { return mrOutDev; }
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virtual const OutputDevice& getOutDev() const { return mrOutDev; }
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// TODO(Q2): Lifetime issue. This _only_ works reliably,
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// if disposing the Canvas correctly disposes all
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// entities which hold this pointer.
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OutputDevice& mrOutDev;
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};
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}
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Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments,
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const uno::Reference< uno::XComponentContext >& rxContext ) :
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maArguments(aArguments),
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mxComponentContext( rxContext )
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{
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}
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void Canvas::initialize()
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{
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// #i64742# Only perform initialization when not in probe mode
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if( maArguments.getLength() == 0 )
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return;
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/* maArguments:
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0: ptr to creating instance (Window or VirtualDevice)
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1: SystemEnvData as a streamed Any (or empty for VirtualDevice)
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2: current bounds of creating instance
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3: bool, denoting always on top state for Window (always false for VirtualDevice)
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4: XWindow for creating Window (or empty for VirtualDevice)
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5: SystemGraphicsData as a streamed Any
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*/
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SolarMutexGuard aGuard;
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VERBOSE_TRACE( "VCLCanvas::initialize called" );
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ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 &&
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maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER,
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"Canvas::initialize: wrong number of arguments, or wrong types" );
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sal_Int64 nPtr = 0;
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maArguments[0] >>= nPtr;
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OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr);
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if( !pOutDev )
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throw lang::NoSupportException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"Passed OutDev invalid!")),
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NULL);
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OutDevProviderSharedPtr pOutdevProvider( new OutDevHolder(*pOutDev) );
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// setup helper
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maDeviceHelper.init( pOutdevProvider );
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maCanvasHelper.init( *this,
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pOutdevProvider,
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true, // OutDev state preservation
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false ); // no alpha on surface
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maArguments.realloc(0);
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}
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Canvas::~Canvas()
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{
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OSL_TRACE( "Canvas destroyed" );
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}
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void Canvas::disposeThis()
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{
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SolarMutexGuard aGuard;
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mxComponentContext.clear();
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// forward to parent
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CanvasBaseT::disposeThis();
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}
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::rtl::OUString SAL_CALL Canvas::getServiceName( ) throw (::com::sun::star::uno::RuntimeException)
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{
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( CANVAS_SERVICE_NAME ) );
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}
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bool Canvas::repaint( const GraphicObjectSharedPtr& rGrf,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const ::Point& rPt,
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const ::Size& rSz,
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const GraphicAttr& rAttr ) const
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{
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SolarMutexGuard aGuard;
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return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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