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+/* -*- 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: */