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| -rw-r--r-- | sdext/source/presenter/PresenterProtocolHandler.cxx | 735 |
1 files changed, 735 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterProtocolHandler.cxx b/sdext/source/presenter/PresenterProtocolHandler.cxx new file mode 100644 index 000000000..66bf66c6f --- /dev/null +++ b/sdext/source/presenter/PresenterProtocolHandler.cxx @@ -0,0 +1,735 @@ +/* -*- 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 <memory> +#include "PresenterProtocolHandler.hxx" +#include "PresenterController.hxx" +#include "PresenterNotesView.hxx" +#include "PresenterPaneContainer.hxx" +#include "PresenterViewFactory.hxx" +#include "PresenterWindowManager.hxx" +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <algorithm> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::drawing::framework; + +namespace sdext::presenter { + +namespace { + class Command + { + public: + virtual ~Command() {} + virtual void Execute() = 0; + virtual bool IsEnabled() const { return true; } + virtual Any GetState() const { return Any(false); } + }; + + class GotoPreviousSlideCommand : public Command + { + public: + explicit GotoPreviousSlideCommand ( + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + virtual bool IsEnabled() const override; + private: + rtl::Reference<PresenterController> mpPresenterController; + }; + + class GotoNextSlideCommand : public Command + { + public: + explicit GotoNextSlideCommand ( + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + // The next slide command is always enabled, even when the current slide + // is the last slide: from the last slide it goes to the pause slide, + // and from there it ends the slide show. + virtual bool IsEnabled() const override { return true; } + private: + rtl::Reference<PresenterController> mpPresenterController; + }; + + class GotoNextEffectCommand : public Command + { + public: + explicit GotoNextEffectCommand ( + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + virtual bool IsEnabled() const override; + private: + rtl::Reference<PresenterController> mpPresenterController; + }; + + class SwitchMonitorCommand : public Command + { + public: + explicit SwitchMonitorCommand ( + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + private: + rtl::Reference<PresenterController> mpPresenterController; + }; + + /// This command restarts the presentation timer. + class RestartTimerCommand : public Command + { + public: + explicit RestartTimerCommand(const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + private: + rtl::Reference<PresenterController> mpPresenterController; + }; + + class SetNotesViewCommand : public Command + { + public: + SetNotesViewCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + virtual Any GetState() const override; + private: + bool mbOn; + rtl::Reference<PresenterController> mpPresenterController; + }; + + class SetSlideSorterCommand : public Command + { + public: + SetSlideSorterCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + virtual Any GetState() const override; + private: + bool mbOn; + rtl::Reference<PresenterController> mpPresenterController; + }; + + class SetHelpViewCommand : public Command + { + public: + SetHelpViewCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController); + virtual void Execute() override; + virtual Any GetState() const override; + private: + bool mbOn; + rtl::Reference<PresenterController> mpPresenterController; + }; + + class NotesFontSizeCommand : public Command + { + public: + NotesFontSizeCommand( + const rtl::Reference<PresenterController>& rpPresenterController, + const sal_Int32 nSizeChange); + virtual void Execute() override; + virtual Any GetState() const override; + protected: + ::rtl::Reference<PresenterNotesView> GetNotesView() const; + private: + rtl::Reference<PresenterController> mpPresenterController; + const sal_Int32 mnSizeChange; + }; + +} // end of anonymous namespace + +namespace { + typedef ::cppu::WeakComponentImplHelper < + css::frame::XDispatch, + css::document::XEventListener + > PresenterDispatchInterfaceBase; +} + +class PresenterProtocolHandler::Dispatch + : protected ::cppu::BaseMutex, + public PresenterDispatchInterfaceBase +{ +public: + /** Create a new Dispatch object. When the given command name + (rsURLPath) is not known then an empty reference is returned. + */ + static Reference<frame::XDispatch> Create ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController); + + void SAL_CALL disposing() override; + static Command* CreateCommand ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController); + + // XDispatch + virtual void SAL_CALL dispatch( + const css::util::URL& aURL, + const css::uno::Sequence<css::beans::PropertyValue>& rArguments) override; + + virtual void SAL_CALL addStatusListener( + const css::uno::Reference<css::frame::XStatusListener>& rxListener, + const css::util::URL& rURL) override; + + virtual void SAL_CALL removeStatusListener ( + const css::uno::Reference<css::frame::XStatusListener>& rxListener, + const css::util::URL& rURL) override; + + // document::XEventListener + + virtual void SAL_CALL notifyEvent (const css::document::EventObject& rEvent) override; + + // lang::XEventListener + + virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override; + +private: + OUString msURLPath; + std::unique_ptr<Command> mpCommand; + ::rtl::Reference<PresenterController> mpPresenterController; + typedef ::std::vector<Reference<frame::XStatusListener> > StatusListenerContainer; + StatusListenerContainer maStatusListenerContainer; + bool mbIsListeningToWindowManager; + + Dispatch ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController); + virtual ~Dispatch() override; +}; + +//----- Service --------------------------------------------------------------- + +OUString PresenterProtocolHandler::getImplementationName_static() +{ + return "org.libreoffice.comp.PresenterScreenProtocolHandler"; +} + +Sequence<OUString> PresenterProtocolHandler::getSupportedServiceNames_static() +{ + return { "com.sun.star.frame.ProtocolHandler" }; +} + +Reference<XInterface> PresenterProtocolHandler::Create ( + SAL_UNUSED_PARAMETER const Reference<uno::XComponentContext>&) +{ + return Reference<XInterface>(static_cast<XWeak*>(new PresenterProtocolHandler)); +} + +//===== PresenterProtocolHandler ========================================================= + +PresenterProtocolHandler::PresenterProtocolHandler () + : PresenterProtocolHandlerInterfaceBase(m_aMutex) +{ +} + +PresenterProtocolHandler::~PresenterProtocolHandler() +{ +} + +void SAL_CALL PresenterProtocolHandler::disposing() +{ +} + +//----- XInitialize ----------------------------------------------------------- + +void SAL_CALL PresenterProtocolHandler::initialize (const Sequence<Any>& aArguments) +{ + ThrowIfDisposed(); + if (aArguments.getLength() <= 0) + return; + + try + { + Reference<frame::XFrame> xFrame; + if (aArguments[0] >>= xFrame) + { + mpPresenterController = PresenterController::Instance(xFrame); + } + } + catch (RuntimeException&) + { + OSL_ASSERT(false); + } +} + +OUString PresenterProtocolHandler::getImplementationName() +{ + return getImplementationName_static(); +} + +sal_Bool PresenterProtocolHandler::supportsService(OUString const & ServiceName) +{ + return cppu::supportsService(this, ServiceName); +} + +css::uno::Sequence<OUString> +PresenterProtocolHandler::getSupportedServiceNames() +{ + return getSupportedServiceNames_static(); +} + +//----- XDispatchProvider ----------------------------------------------------- + +Reference<frame::XDispatch> SAL_CALL PresenterProtocolHandler::queryDispatch ( + const css::util::URL& rURL, + const OUString&, + sal_Int32) +{ + ThrowIfDisposed(); + + Reference<frame::XDispatch> xDispatch; + + if (rURL.Protocol == "vnd.org.libreoffice.presenterscreen:") + { + xDispatch.set(Dispatch::Create(rURL.Path, mpPresenterController)); + } + + return xDispatch; +} + +Sequence<Reference<frame::XDispatch> > SAL_CALL PresenterProtocolHandler::queryDispatches( + const Sequence<frame::DispatchDescriptor>&) +{ + ThrowIfDisposed(); + return Sequence<Reference<frame::XDispatch> >(); +} + + +void PresenterProtocolHandler::ThrowIfDisposed() const +{ + if (rBHelper.bDisposed || rBHelper.bInDispose) + { + throw lang::DisposedException ( + "PresenterProtocolHandler object has already been disposed", + const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this))); + } +} + +//===== PresenterProtocolHandler::Dispatch ==================================== + +Reference<frame::XDispatch> PresenterProtocolHandler::Dispatch::Create ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController) +{ + ::rtl::Reference<Dispatch> pDispatch (new Dispatch (rsURLPath, rpPresenterController)); + if (pDispatch->mpCommand != nullptr) + return Reference<frame::XDispatch>(pDispatch.get()); + else + return nullptr; +} + +PresenterProtocolHandler::Dispatch::Dispatch ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController) + : PresenterDispatchInterfaceBase(m_aMutex), + msURLPath(rsURLPath), + mpCommand(CreateCommand(rsURLPath, rpPresenterController)), + mpPresenterController(rpPresenterController), + maStatusListenerContainer(), + mbIsListeningToWindowManager(false) +{ + if (mpCommand != nullptr) + { + mpPresenterController->GetWindowManager()->AddLayoutListener(this); + mbIsListeningToWindowManager = true; + } +} + +Command* PresenterProtocolHandler::Dispatch::CreateCommand ( + const OUString& rsURLPath, + const ::rtl::Reference<PresenterController>& rpPresenterController) +{ + if (rsURLPath.getLength() <= 5) + return nullptr; + + if (rsURLPath == "CloseNotes") + return new SetNotesViewCommand(false, rpPresenterController); + if (rsURLPath == "CloseSlideSorter") + return new SetSlideSorterCommand(false, rpPresenterController); + if (rsURLPath == "CloseHelp") + return new SetHelpViewCommand(false, rpPresenterController); + if (rsURLPath == "GrowNotesFont") + return new NotesFontSizeCommand(rpPresenterController, +1); + if (rsURLPath == "NextEffect") + return new GotoNextEffectCommand(rpPresenterController); + if (rsURLPath == "NextSlide") + return new GotoNextSlideCommand(rpPresenterController); + if (rsURLPath == "PrevSlide") + return new GotoPreviousSlideCommand(rpPresenterController); + if (rsURLPath == "SwitchMonitor") + return new SwitchMonitorCommand(rpPresenterController); + if (rsURLPath == "RestartTimer") + return new RestartTimerCommand(rpPresenterController); + if (rsURLPath == "ShowNotes") + return new SetNotesViewCommand(true, rpPresenterController); + if (rsURLPath == "ShowSlideSorter") + return new SetSlideSorterCommand(true, rpPresenterController); + if (rsURLPath == "ShowHelp") + return new SetHelpViewCommand(true, rpPresenterController); + if (rsURLPath == "ShrinkNotesFont") + return new NotesFontSizeCommand(rpPresenterController, -1); + + return nullptr; +} + +PresenterProtocolHandler::Dispatch::~Dispatch() +{ +} + +void PresenterProtocolHandler::Dispatch::disposing() +{ + if (mbIsListeningToWindowManager) + { + if (mpPresenterController.get() != nullptr) + mpPresenterController->GetWindowManager()->RemoveLayoutListener(this); + mbIsListeningToWindowManager = false; + } + + msURLPath.clear(); + mpCommand.reset(); +} + +//----- XDispatch ------------------------------------------------------------- + +void SAL_CALL PresenterProtocolHandler::Dispatch::dispatch( + const css::util::URL& rURL, + const css::uno::Sequence<css::beans::PropertyValue>& /*rArguments*/) +{ + if (rBHelper.bDisposed || rBHelper.bInDispose) + { + throw lang::DisposedException ( + "PresenterProtocolHandler::Dispatch object has already been disposed", + static_cast<uno::XWeak*>(this)); + } + + if (rURL.Protocol != "vnd.org.libreoffice.presenterscreen:" + || rURL.Path != msURLPath) + { + // We can not throw an IllegalArgumentException + throw RuntimeException(); + } + + if (mpCommand != nullptr) + mpCommand->Execute(); +} + +void SAL_CALL PresenterProtocolHandler::Dispatch::addStatusListener( + const css::uno::Reference<css::frame::XStatusListener>& rxListener, + const css::util::URL& rURL) +{ + if (rURL.Path != msURLPath) + throw RuntimeException(); + + maStatusListenerContainer.push_back(rxListener); + + frame::FeatureStateEvent aEvent; + aEvent.FeatureURL = rURL; + aEvent.IsEnabled = mpCommand->IsEnabled(); + aEvent.Requery = false; + aEvent.State = mpCommand->GetState(); + rxListener->statusChanged(aEvent); +} + +void SAL_CALL PresenterProtocolHandler::Dispatch::removeStatusListener ( + const css::uno::Reference<css::frame::XStatusListener>& rxListener, + const css::util::URL& rURL) +{ + if (rURL.Path != msURLPath) + throw RuntimeException(); + + StatusListenerContainer::iterator iListener ( + ::std::find( + maStatusListenerContainer.begin(), + maStatusListenerContainer.end(), + rxListener)); + if (iListener != maStatusListenerContainer.end()) + maStatusListenerContainer.erase(iListener); +} + +//----- document::XEventListener ---------------------------------------------- + +void SAL_CALL PresenterProtocolHandler::Dispatch::notifyEvent ( + const css::document::EventObject&) +{ + mpCommand->GetState(); +} + +//----- lang::XEventListener -------------------------------------------------- + +void SAL_CALL PresenterProtocolHandler::Dispatch::disposing (const css::lang::EventObject&) +{ + mbIsListeningToWindowManager = false; +} + +//===== GotoPreviousSlideCommand ============================================== + +GotoPreviousSlideCommand::GotoPreviousSlideCommand ( + const rtl::Reference<PresenterController>& rpPresenterController) + : mpPresenterController(rpPresenterController) +{ +} + +void GotoPreviousSlideCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + if ( ! mpPresenterController->GetSlideShowController().is()) + return; + + mpPresenterController->GetSlideShowController()->gotoPreviousSlide(); +} + +bool GotoPreviousSlideCommand::IsEnabled() const +{ + if ( ! mpPresenterController.is()) + return false; + + if ( ! mpPresenterController->GetSlideShowController().is()) + return false; + + return mpPresenterController->GetSlideShowController()->getCurrentSlideIndex()>0; +} + +//===== GotoNextEffect ======================================================== + +GotoNextEffectCommand::GotoNextEffectCommand ( + const rtl::Reference<PresenterController>& rpPresenterController) + : mpPresenterController(rpPresenterController) +{ +} + +void GotoNextEffectCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + if ( ! mpPresenterController->GetSlideShowController().is()) + return; + + mpPresenterController->GetSlideShowController()->gotoNextEffect(); +} + +bool GotoNextEffectCommand::IsEnabled() const +{ + if ( ! mpPresenterController.is()) + return false; + + if ( ! mpPresenterController->GetSlideShowController().is()) + return false; + + return ( mpPresenterController->GetSlideShowController()->getNextSlideIndex() < mpPresenterController->GetSlideShowController()->getSlideCount() ); + +} + +//===== GotoNextSlide ========================================================= + +GotoNextSlideCommand::GotoNextSlideCommand ( + const rtl::Reference<PresenterController>& rpPresenterController) + : mpPresenterController(rpPresenterController) +{ +} + +void GotoNextSlideCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + if ( ! mpPresenterController->GetSlideShowController().is()) + return; + + mpPresenterController->GetSlideShowController()->gotoNextSlide(); +} + +//===== SwitchMonitorCommand ============================================== + +SwitchMonitorCommand::SwitchMonitorCommand ( + const rtl::Reference<PresenterController>& rpPresenterController) + : mpPresenterController(rpPresenterController) +{ +} + +void SwitchMonitorCommand::Execute() +{ + mpPresenterController->SwitchMonitors(); +} + +RestartTimerCommand::RestartTimerCommand (const rtl::Reference<PresenterController>& rpPresenterController) +: mpPresenterController(rpPresenterController) +{ +} + +void RestartTimerCommand::Execute() +{ + if (IPresentationTime* pPresentationTime = mpPresenterController->GetPresentationTime()) + pPresentationTime->restart(); +} + +//===== SetNotesViewCommand =================================================== + +SetNotesViewCommand::SetNotesViewCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController) + : mbOn(bOn), + mpPresenterController(rpPresenterController) +{ +} + +void SetNotesViewCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return; + + if (mbOn) + pWindowManager->SetViewMode(PresenterWindowManager::VM_Notes); + else + pWindowManager->SetViewMode(PresenterWindowManager::VM_Standard); +} + +Any SetNotesViewCommand::GetState() const +{ + if ( ! mpPresenterController.is()) + return Any(false); + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return Any(false); + + return Any(pWindowManager->GetViewMode() == PresenterWindowManager::VM_Notes); +} + +//===== SetSlideSorterCommand ================================================= + +SetSlideSorterCommand::SetSlideSorterCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController) + : mbOn(bOn), + mpPresenterController(rpPresenterController) +{ +} + +void SetSlideSorterCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return; + + pWindowManager->SetSlideSorterState(mbOn); +} + +Any SetSlideSorterCommand::GetState() const +{ + if ( ! mpPresenterController.is()) + return Any(false); + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return Any(false); + + return Any(pWindowManager->GetViewMode()==PresenterWindowManager::VM_SlideOverview); +} + +//===== SetHelpViewCommand =================================================== + +SetHelpViewCommand::SetHelpViewCommand ( + const bool bOn, + const rtl::Reference<PresenterController>& rpPresenterController) + : mbOn(bOn), + mpPresenterController(rpPresenterController) +{ +} + +void SetHelpViewCommand::Execute() +{ + if ( ! mpPresenterController.is()) + return; + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return; + + pWindowManager->SetHelpViewState(mbOn); +} + +Any SetHelpViewCommand::GetState() const +{ + if ( ! mpPresenterController.is()) + return Any(false); + + ::rtl::Reference<PresenterWindowManager> pWindowManager ( + mpPresenterController->GetWindowManager()); + if ( ! pWindowManager.is()) + return Any(false); + + return Any(pWindowManager->GetViewMode()==PresenterWindowManager::VM_Help); +} + +//===== NotesFontSizeCommand ================================================== + +NotesFontSizeCommand::NotesFontSizeCommand( + const rtl::Reference<PresenterController>& rpPresenterController, + const sal_Int32 nSizeChange) + : mpPresenterController(rpPresenterController), + mnSizeChange(nSizeChange) +{ +} + +::rtl::Reference<PresenterNotesView> NotesFontSizeCommand::GetNotesView() const +{ + if (mpPresenterController.get() == nullptr) + return nullptr; + + PresenterPaneContainer::SharedPaneDescriptor pDescriptor ( + mpPresenterController->GetPaneContainer()->FindViewURL( + PresenterViewFactory::msNotesViewURL)); + if (pDescriptor.get() == nullptr) + return nullptr; + + return dynamic_cast<PresenterNotesView*>(pDescriptor->mxView.get()); +} + +void NotesFontSizeCommand::Execute() +{ + ::rtl::Reference<PresenterNotesView> pView (GetNotesView()); + if (pView.is()) + pView->ChangeFontSize(mnSizeChange); +} + +Any NotesFontSizeCommand::GetState() const +{ + return Any(); +} + +} // end of namespace ::sdext::presenter + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |