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| -rw-r--r-- | svtools/source/uno/statusbarcontroller.cxx | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/svtools/source/uno/statusbarcontroller.cxx b/svtools/source/uno/statusbarcontroller.cxx new file mode 100644 index 000000000..fae89f287 --- /dev/null +++ b/svtools/source/uno/statusbarcontroller.cxx @@ -0,0 +1,594 @@ +/* -*- 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 <svtools/statusbarcontroller.hxx> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/frame/XDispatchProvider.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/util/URLTransformer.hpp> +#include <com/sun/star/ui/XStatusbarItem.hpp> +#include <cppuhelper/queryinterface.hxx> +#include <vcl/svapp.hxx> +#include <vcl/window.hxx> +#include <vcl/status.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <comphelper/processfactory.hxx> + +using namespace ::cppu; +using namespace css::awt; +using namespace css::uno; +using namespace css::util; +using namespace css::beans; +using namespace css::lang; +using namespace css::frame; + +namespace svt +{ + +StatusbarController::StatusbarController( + const Reference< XComponentContext >& rxContext, + const Reference< XFrame >& xFrame, + const OUString& aCommandURL, + unsigned short nID ) : + OWeakObject() + , m_bInitialized( false ) + , m_bDisposed( false ) + , m_nID( nID ) + , m_xFrame( xFrame ) + , m_xContext( rxContext ) + , m_aCommandURL( aCommandURL ) + , m_aListenerContainer( m_aMutex ) +{ +} + +StatusbarController::StatusbarController() : + OWeakObject() + , m_bInitialized( false ) + , m_bDisposed( false ) + , m_nID( 0 ) + , m_aListenerContainer( m_aMutex ) +{ +} + +StatusbarController::~StatusbarController() +{ +} + +Reference< XFrame > StatusbarController::getFrameInterface() const +{ + SolarMutexGuard aSolarMutexGuard; + return m_xFrame; +} + +Reference< XURLTransformer > StatusbarController::getURLTransformer() const +{ + SolarMutexGuard aSolarMutexGuard; + if ( !m_xURLTransformer.is() && m_xContext.is() ) + { + m_xURLTransformer = css::util::URLTransformer::create( m_xContext ); + } + + return m_xURLTransformer; +} + +// XInterface +Any SAL_CALL StatusbarController::queryInterface( const Type& rType ) +{ + Any a = ::cppu::queryInterface( + rType , + static_cast< XStatusbarController* >( this ), + static_cast< XStatusListener* >( this ), + static_cast< XEventListener* >( this ), + static_cast< XInitialization* >( this ), + static_cast< XComponent* >( this ), + static_cast< XUpdatable* >( this )); + + if ( a.hasValue() ) + return a; + + return OWeakObject::queryInterface( rType ); +} + +void SAL_CALL StatusbarController::acquire() noexcept +{ + OWeakObject::acquire(); +} + +void SAL_CALL StatusbarController::release() noexcept +{ + OWeakObject::release(); +} + +void SAL_CALL StatusbarController::initialize( const Sequence< Any >& aArguments ) +{ + bool bInitialized( true ); + + { + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + throw DisposedException(); + + bInitialized = m_bInitialized; + } + + if ( bInitialized ) + return; + + SolarMutexGuard aSolarMutexGuard; + m_bInitialized = true; + + PropertyValue aPropValue; + for ( const auto& rArgument : aArguments ) + { + if ( rArgument >>= aPropValue ) + { + if ( aPropValue.Name == "Frame" ) + aPropValue.Value >>= m_xFrame; + else if ( aPropValue.Name == "CommandURL" ) + aPropValue.Value >>= m_aCommandURL; + else if ( aPropValue.Name == "ServiceManager" ) + { + Reference<XMultiServiceFactory> xMSF; + aPropValue.Value >>= xMSF; + if( xMSF.is() ) + m_xContext = comphelper::getComponentContext(xMSF); + } + else if ( aPropValue.Name == "ParentWindow" ) + aPropValue.Value >>= m_xParentWindow; + else if ( aPropValue.Name == "Identifier" ) + aPropValue.Value >>= m_nID; + else if ( aPropValue.Name == "StatusbarItem" ) + aPropValue.Value >>= m_xStatusbarItem; + } + } + + if ( !m_aCommandURL.isEmpty() ) + m_aListenerMap.emplace( m_aCommandURL, Reference< XDispatch >() ); +} + +void SAL_CALL StatusbarController::update() +{ + { + SolarMutexGuard aSolarMutexGuard; + if ( m_bDisposed ) + throw DisposedException(); + } + + // Bind all registered listeners to their dispatch objects + bindListener(); +} + +// XComponent +void SAL_CALL StatusbarController::dispose() +{ + Reference< XComponent > xThis = this; + + { + SolarMutexGuard aSolarMutexGuard; + if ( m_bDisposed ) + throw DisposedException(); + } + + css::lang::EventObject aEvent( xThis ); + m_aListenerContainer.disposeAndClear( aEvent ); + + SolarMutexGuard aSolarMutexGuard; + Reference< XStatusListener > xStatusListener = this; + Reference< XURLTransformer > xURLTransformer = getURLTransformer(); + css::util::URL aTargetURL; + for (auto const& listener : m_aListenerMap) + { + try + { + Reference< XDispatch > xDispatch(listener.second); + aTargetURL.Complete = listener.first; + xURLTransformer->parseStrict( aTargetURL ); + + if ( xDispatch.is() && xStatusListener.is() ) + xDispatch->removeStatusListener( xStatusListener, aTargetURL ); + } + catch ( Exception& ) + { + } + } + + // clear hash map + m_aListenerMap.clear(); + + // release references + m_xURLTransformer.clear(); + m_xContext.clear(); + m_xFrame.clear(); + m_xParentWindow.clear(); + m_xStatusbarItem.clear(); + + m_bDisposed = true; +} + +void SAL_CALL StatusbarController::addEventListener( const Reference< XEventListener >& xListener ) +{ + m_aListenerContainer.addInterface( cppu::UnoType<XEventListener>::get(), xListener ); +} + +void SAL_CALL StatusbarController::removeEventListener( const Reference< XEventListener >& aListener ) +{ + m_aListenerContainer.removeInterface( cppu::UnoType<XEventListener>::get(), aListener ); +} + +// XEventListener +void SAL_CALL StatusbarController::disposing( const EventObject& Source ) +{ + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + return; + + Reference< XFrame > xFrame( Source.Source, UNO_QUERY ); + if ( xFrame.is() ) + { + if ( xFrame == m_xFrame ) + m_xFrame.clear(); + return; + } + + Reference< XDispatch > xDispatch( Source.Source, UNO_QUERY ); + if ( !xDispatch.is() ) + return; + + for (auto & listener : m_aListenerMap) + { + // Compare references and release dispatch references if they are equal. + if ( xDispatch == listener.second ) + listener.second.clear(); + } +} + +// XStatusListener +void SAL_CALL StatusbarController::statusChanged( const FeatureStateEvent& Event ) +{ + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + return; + + VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow( m_xParentWindow ); + if ( pWindow && pWindow->GetType() == WindowType::STATUSBAR && m_nID != 0 ) + { + OUString aStrValue; + StatusBar* pStatusBar = static_cast<StatusBar *>(pWindow.get()); + + if ( Event.State >>= aStrValue ) + pStatusBar->SetItemText( m_nID, aStrValue ); + else if ( !Event.State.hasValue() ) + pStatusBar->SetItemText( m_nID, "" ); + } +} + +// XStatusbarController +sal_Bool SAL_CALL StatusbarController::mouseButtonDown( + const css::awt::MouseEvent& ) +{ + return false; +} + +sal_Bool SAL_CALL StatusbarController::mouseMove( + const css::awt::MouseEvent& ) +{ + return false; +} + +sal_Bool SAL_CALL StatusbarController::mouseButtonUp( + const css::awt::MouseEvent& ) +{ + return false; +} + +void SAL_CALL StatusbarController::command( + const css::awt::Point&, + ::sal_Int32, + sal_Bool, + const css::uno::Any& ) +{ +} + +void SAL_CALL StatusbarController::paint( + const css::uno::Reference< css::awt::XGraphics >&, + const css::awt::Rectangle&, + ::sal_Int32 ) +{ +} + +void SAL_CALL StatusbarController::click( const css::awt::Point& ) +{ +} + +void SAL_CALL StatusbarController::doubleClick( const css::awt::Point& ) +{ + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + return; + + Sequence< PropertyValue > aArgs; + execute( aArgs ); +} + +void StatusbarController::addStatusListener( const OUString& aCommandURL ) +{ + Reference< XDispatch > xDispatch; + Reference< XStatusListener > xStatusListener; + css::util::URL aTargetURL; + + { + SolarMutexGuard aSolarMutexGuard; + URLToDispatchMap::iterator pIter = m_aListenerMap.find( aCommandURL ); + + // Already in the list of status listener. Do nothing. + if ( pIter != m_aListenerMap.end() ) + return; + + // Check if we are already initialized. Implementation starts adding itself as status listener when + // initialize is called. + if ( !m_bInitialized ) + { + // Put into the unordered_map of status listener. Will be activated when initialized is called + m_aListenerMap.emplace( aCommandURL, Reference< XDispatch >() ); + return; + } + else + { + // Add status listener directly as initialize has already been called. + Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY ); + if ( m_xContext.is() && xDispatchProvider.is() ) + { + Reference< XURLTransformer > xURLTransformer = getURLTransformer(); + aTargetURL.Complete = aCommandURL; + xURLTransformer->parseStrict( aTargetURL ); + xDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 ); + + xStatusListener = this; + URLToDispatchMap::iterator aIter = m_aListenerMap.find( aCommandURL ); + if ( aIter != m_aListenerMap.end() ) + { + Reference< XDispatch > xOldDispatch( aIter->second ); + aIter->second = xDispatch; + + try + { + if ( xOldDispatch.is() ) + xOldDispatch->removeStatusListener( xStatusListener, aTargetURL ); + } + catch ( Exception& ) + { + } + } + else + m_aListenerMap.emplace( aCommandURL, xDispatch ); + } + } + } + + // Call without locked mutex as we are called back from dispatch implementation + try + { + if ( xDispatch.is() ) + xDispatch->addStatusListener( xStatusListener, aTargetURL ); + } + catch ( Exception& ) + { + } +} + +void StatusbarController::bindListener() +{ + std::vector< Listener > aDispatchVector; + Reference< XStatusListener > xStatusListener; + + { + SolarMutexGuard aSolarMutexGuard; + + if ( !m_bInitialized ) + return; + + // Collect all registered command URL's and store them temporary + Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY ); + if ( m_xContext.is() && xDispatchProvider.is() ) + { + xStatusListener = this; + for (auto & listener : m_aListenerMap) + { + Reference< XURLTransformer > xURLTransformer = getURLTransformer(); + css::util::URL aTargetURL; + aTargetURL.Complete = listener.first; + xURLTransformer->parseStrict( aTargetURL ); + + Reference< XDispatch > xDispatch(listener.second); + if ( xDispatch.is() ) + { + // We already have a dispatch object => we have to requery. + // Release old dispatch object and remove it as listener + try + { + xDispatch->removeStatusListener( xStatusListener, aTargetURL ); + } + catch ( Exception& ) + { + } + } + + listener.second.clear(); + xDispatch.clear(); + + // Query for dispatch object. Old dispatch will be released with this, too. + try + { + xDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 ); + } + catch ( Exception& ) + { + } + listener.second = xDispatch; + + Listener aListener( aTargetURL, xDispatch ); + aDispatchVector.push_back( aListener ); + } + } + } + + // Call without locked mutex as we are called back from dispatch implementation + if ( !xStatusListener.is() ) + return; + + for (Listener & rListener : aDispatchVector) + { + try + { + if ( rListener.xDispatch.is() ) + rListener.xDispatch->addStatusListener( xStatusListener, rListener.aURL ); + else if ( rListener.aURL.Complete == m_aCommandURL ) + { + // Send status changed for the main URL, if we cannot get a valid dispatch object. + // UI disables the button. Catch exception as we release our mutex, it is possible + // that someone else already disposed this instance! + FeatureStateEvent aFeatureStateEvent; + aFeatureStateEvent.IsEnabled = false; + aFeatureStateEvent.FeatureURL = rListener.aURL; + aFeatureStateEvent.State = Any(); + xStatusListener->statusChanged( aFeatureStateEvent ); + } + } + catch ( ... ){} + } +} + +::tools::Rectangle StatusbarController::getControlRect() const +{ + ::tools::Rectangle aRect; + + { + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + throw DisposedException(); + + if ( m_xParentWindow.is() ) + { + VclPtr< StatusBar > pStatusBar = dynamic_cast< StatusBar* >( VCLUnoHelper::GetWindow( m_xParentWindow ) ); + if ( pStatusBar && pStatusBar->GetType() == WindowType::STATUSBAR ) + aRect = pStatusBar->GetItemRect( m_nID ); + } + } + + return aRect; +} + +void StatusbarController::execute( const css::uno::Sequence< css::beans::PropertyValue >& aArgs ) +{ + Reference< XDispatch > xDispatch; + Reference< XURLTransformer > xURLTransformer; + OUString aCommandURL; + + { + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + throw DisposedException(); + + if ( m_bInitialized && + m_xFrame.is() && + m_xContext.is() && + !m_aCommandURL.isEmpty() ) + { + xURLTransformer = getURLTransformer(); + aCommandURL = m_aCommandURL; + URLToDispatchMap::iterator pIter = m_aListenerMap.find( m_aCommandURL ); + if ( pIter != m_aListenerMap.end() ) + xDispatch = pIter->second; + } + } + + if ( !(xDispatch.is() && xURLTransformer.is()) ) + return; + + try + { + css::util::URL aTargetURL; + + aTargetURL.Complete = aCommandURL; + xURLTransformer->parseStrict( aTargetURL ); + xDispatch->dispatch( aTargetURL, aArgs ); + } + catch ( DisposedException& ) + { + } +} + +void StatusbarController::execute( + const OUString& aCommandURL, + const Sequence< css::beans::PropertyValue >& aArgs ) +{ + Reference< XDispatch > xDispatch; + css::util::URL aTargetURL; + + { + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + throw DisposedException(); + + if ( m_bInitialized && + m_xFrame.is() && + m_xContext.is() && + !m_aCommandURL.isEmpty() ) + { + Reference< XURLTransformer > xURLTransformer( getURLTransformer() ); + aTargetURL.Complete = aCommandURL; + xURLTransformer->parseStrict( aTargetURL ); + + URLToDispatchMap::iterator pIter = m_aListenerMap.find( aCommandURL ); + if ( pIter != m_aListenerMap.end() ) + xDispatch = pIter->second; + else + { + Reference< css::frame::XDispatchProvider > xDispatchProvider( + m_xFrame->getController(), UNO_QUERY ); + if ( xDispatchProvider.is() ) + xDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 ); + } + } + } + + if ( xDispatch.is() ) + { + try + { + xDispatch->dispatch( aTargetURL, aArgs ); + } + catch ( DisposedException& ) + { + } + } +} + +} // svt + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |