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Diffstat (limited to 'sdext/source/presenter/PresenterAccessibility.cxx')
| -rw-r--r-- | sdext/source/presenter/PresenterAccessibility.cxx | 1849 |
1 files changed, 1849 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterAccessibility.cxx b/sdext/source/presenter/PresenterAccessibility.cxx new file mode 100644 index 000000000..e3f49ed1d --- /dev/null +++ b/sdext/source/presenter/PresenterAccessibility.cxx @@ -0,0 +1,1849 @@ +/* -*- 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 "PresenterAccessibility.hxx" +#include "PresenterTextView.hxx" +#include "PresenterConfigurationAccess.hxx" +#include "PresenterNotesView.hxx" +#include "PresenterPaneBase.hxx" +#include "PresenterPaneContainer.hxx" +#include "PresenterPaneFactory.hxx" + +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleRelationType.hpp> +#include <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/accessibility/AccessibleScrollType.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/XAccessibleComponent.hpp> +#include <com/sun/star/accessibility/XAccessibleContext.hpp> +#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp> +#include <com/sun/star/accessibility/XAccessibleText.hpp> +#include <com/sun/star/awt/XWindow2.hpp> +#include <com/sun/star/drawing/framework/XPane.hpp> +#include <com/sun/star/drawing/framework/XView.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/implbase.hxx> +#include <o3tl/safeint.hxx> +#include <sal/log.hxx> + +#include <algorithm> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::drawing::framework; + +//===== PresenterAccessibleObject ============================================= + +namespace sdext::presenter { + +namespace { + typedef ::cppu::WeakComponentImplHelper < + css::accessibility::XAccessible, + css::accessibility::XAccessibleContext, + css::accessibility::XAccessibleComponent, + css::accessibility::XAccessibleEventBroadcaster, + css::awt::XWindowListener + > PresenterAccessibleObjectInterfaceBase; +} + +class PresenterAccessible::AccessibleObject + : public ::cppu::BaseMutex, + public PresenterAccessibleObjectInterfaceBase +{ +public: + AccessibleObject ( + const css::lang::Locale& rLocale, + const sal_Int16 nRole, + const OUString& rsName); + void LateInitialization(); + + virtual void SetWindow ( + const css::uno::Reference<css::awt::XWindow>& rxContentWindow, + const css::uno::Reference<css::awt::XWindow>& rxBorderWindow); + void SetAccessibleParent (const css::uno::Reference<css::accessibility::XAccessible>& rxAccessibleParent); + + virtual void SAL_CALL disposing() override; + + void AddChild (const ::rtl::Reference<AccessibleObject>& rpChild); + void RemoveChild (const ::rtl::Reference<AccessibleObject>& rpChild); + + void SetIsFocused (const bool bIsFocused); + void SetAccessibleName (const OUString& rsName); + + void FireAccessibleEvent ( + const sal_Int16 nEventId, + const css::uno::Any& rOldValue, + const css::uno::Any& rNewValue); + + void UpdateStateSet(); + + //----- XAccessible ------------------------------------------------------- + + virtual css::uno::Reference<css::accessibility::XAccessibleContext> SAL_CALL + getAccessibleContext() override; + + //----- XAccessibleContext ---------------------------------------------- + + virtual sal_Int32 SAL_CALL getAccessibleChildCount() override; + + virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL + getAccessibleChild (sal_Int32 nIndex) override; + + virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL getAccessibleParent() override; + + virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() override; + + virtual sal_Int16 SAL_CALL getAccessibleRole() override; + + virtual OUString SAL_CALL getAccessibleDescription() override; + + virtual OUString SAL_CALL getAccessibleName() override; + + virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet> SAL_CALL + getAccessibleRelationSet() override; + + virtual css::uno::Reference<css::accessibility::XAccessibleStateSet> SAL_CALL + getAccessibleStateSet() override; + + virtual css::lang::Locale SAL_CALL getLocale() override; + + //----- XAccessibleComponent -------------------------------------------- + + virtual sal_Bool SAL_CALL containsPoint ( + const css::awt::Point& aPoint) override; + + virtual css::uno::Reference<css::accessibility::XAccessible> SAL_CALL + getAccessibleAtPoint ( + const css::awt::Point& aPoint) override; + + virtual css::awt::Rectangle SAL_CALL getBounds() override; + + virtual css::awt::Point SAL_CALL getLocation() override; + + virtual css::awt::Point SAL_CALL getLocationOnScreen() override; + + virtual css::awt::Size SAL_CALL getSize() override; + + virtual void SAL_CALL grabFocus() override; + + virtual sal_Int32 SAL_CALL getForeground() override; + + virtual sal_Int32 SAL_CALL getBackground() override; + + //----- XAccessibleEventBroadcaster -------------------------------------- + + virtual void SAL_CALL addAccessibleEventListener ( + const css::uno::Reference<css::accessibility::XAccessibleEventListener>& rxListener) override; + + virtual void SAL_CALL removeAccessibleEventListener ( + const css::uno::Reference<css::accessibility::XAccessibleEventListener>& rxListener) override; + + //----- XWindowListener --------------------------------------------------- + + virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override; + + virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override; + + virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override; + + virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override; + + //----- XEventListener ---------------------------------------------------- + + virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override; + +protected: + OUString msName; + css::uno::Reference<css::awt::XWindow2> mxContentWindow; + css::uno::Reference<css::awt::XWindow2> mxBorderWindow; + const css::lang::Locale maLocale; + const sal_Int16 mnRole; + sal_uInt32 mnStateSet; + bool mbIsFocused; + css::uno::Reference<css::accessibility::XAccessible> mxParentAccessible; + ::std::vector<rtl::Reference<AccessibleObject> > maChildren; + ::std::vector<Reference<XAccessibleEventListener> > maListeners; + + virtual awt::Point GetRelativeLocation(); + virtual awt::Size GetSize(); + virtual awt::Point GetAbsoluteParentLocation(); + + virtual bool GetWindowState (const sal_Int16 nType) const; + + void UpdateState (const sal_Int16 aState, const bool bValue); + + /// @throws css::lang::DisposedException + void ThrowIfDisposed() const; +}; + +//===== AccessibleStateSet ==================================================== + +namespace { +typedef ::cppu::WeakComponentImplHelper < + css::accessibility::XAccessibleStateSet + > AccessibleStateSetInterfaceBase; + +class AccessibleStateSet + : public ::cppu::BaseMutex, + public AccessibleStateSetInterfaceBase +{ +public: + explicit AccessibleStateSet (const sal_Int32 nStateSet); + + static sal_uInt32 GetStateMask (const sal_Int16 nType); + + //----- XAccessibleStateSet ----------------------------------------------- + + virtual sal_Bool SAL_CALL isEmpty() override; + + virtual sal_Bool SAL_CALL contains (sal_Int16 nState) override; + + virtual sal_Bool SAL_CALL containsAll (const css::uno::Sequence<sal_Int16>& rStateSet) override; + + virtual css::uno::Sequence<sal_Int16> SAL_CALL getStates() override; + +private: + const sal_Int32 mnStateSet; +}; + +//===== AccessibleRelationSet ================================================= + +typedef ::cppu::WeakComponentImplHelper < + css::accessibility::XAccessibleRelationSet + > AccessibleRelationSetInterfaceBase; + +class AccessibleRelationSet + : public ::cppu::BaseMutex, + public AccessibleRelationSetInterfaceBase +{ +public: + AccessibleRelationSet(); + + void AddRelation ( + const sal_Int16 nRelationType, + const Reference<XInterface>& rxObject); + + //----- XAccessibleRelationSet -------------------------------------------- + + virtual sal_Int32 SAL_CALL getRelationCount() override; + + virtual AccessibleRelation SAL_CALL getRelation (sal_Int32 nIndex) override; + + virtual sal_Bool SAL_CALL containsRelation (sal_Int16 nRelationType) override; + + virtual AccessibleRelation SAL_CALL getRelationByType (sal_Int16 nRelationType) override; + +private: + ::std::vector<AccessibleRelation> maRelations; +}; + +//===== PresenterAccessibleParagraph ========================================== + +typedef ::cppu::ImplInheritanceHelper < + PresenterAccessible::AccessibleObject, + css::accessibility::XAccessibleText + > PresenterAccessibleParagraphInterfaceBase; +} + +class PresenterAccessible::AccessibleParagraph + : public PresenterAccessibleParagraphInterfaceBase +{ +public: + AccessibleParagraph ( + const css::lang::Locale& rLocale, + const OUString& rsName, + const SharedPresenterTextParagraph& rpParagraph, + const sal_Int32 nParagraphIndex); + + //----- XAccessibleContext ------------------------------------------------ + + virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet> SAL_CALL + getAccessibleRelationSet() override; + + //----- XAccessibleText --------------------------------------------------- + + virtual sal_Int32 SAL_CALL getCaretPosition() override; + + virtual sal_Bool SAL_CALL setCaretPosition (sal_Int32 nIndex) override; + + virtual sal_Unicode SAL_CALL getCharacter (sal_Int32 nIndex) override; + + virtual css::uno::Sequence<css::beans::PropertyValue> SAL_CALL + getCharacterAttributes ( + ::sal_Int32 nIndex, + const css::uno::Sequence<OUString>& rRequestedAttributes) override; + + virtual css::awt::Rectangle SAL_CALL getCharacterBounds (sal_Int32 nIndex) override; + + virtual sal_Int32 SAL_CALL getCharacterCount() override; + + virtual sal_Int32 SAL_CALL getIndexAtPoint (const css::awt::Point& rPoint) override; + + virtual OUString SAL_CALL getSelectedText() override; + + virtual sal_Int32 SAL_CALL getSelectionStart() override; + + virtual sal_Int32 SAL_CALL getSelectionEnd() override; + + virtual sal_Bool SAL_CALL setSelection (sal_Int32 nStartIndex, sal_Int32 nEndIndex) override; + + virtual OUString SAL_CALL getText() override; + + virtual OUString SAL_CALL getTextRange ( + sal_Int32 nStartIndex, + sal_Int32 nEndIndex) override; + + virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex ( + sal_Int32 nIndex, + sal_Int16 nTextType) override; + + virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex ( + sal_Int32 nIndex, + sal_Int16 nTextType) override; + + virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex ( + sal_Int32 nIndex, + sal_Int16 nTextType) override; + + virtual sal_Bool SAL_CALL copyText (sal_Int32 nStartIndex, sal_Int32 nEndIndex) override; + + virtual sal_Bool SAL_CALL scrollSubstringTo( + sal_Int32 nStartIndex, + sal_Int32 nEndIndex, + css::accessibility::AccessibleScrollType aScrollType) override; + +protected: + virtual awt::Point GetRelativeLocation() override; + virtual awt::Size GetSize() override; + virtual awt::Point GetAbsoluteParentLocation() override; + virtual bool GetWindowState (const sal_Int16 nType) const override; + +private: + SharedPresenterTextParagraph mpParagraph; + const sal_Int32 mnParagraphIndex; +}; + +//===== AccessibleConsole ===================================================== + +namespace { + +class AccessibleConsole +{ +public: + static rtl::Reference<PresenterAccessible::AccessibleObject> Create ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const lang::Locale& rLocale) + { + OUString sName ("Presenter Console"); + PresenterConfigurationAccess aConfiguration ( + rxContext, + "/org.openoffice.Office.PresenterScreen/", + PresenterConfigurationAccess::READ_ONLY); + aConfiguration.GetConfigurationNode("Presenter/Accessibility/Console/String") + >>= sName; + + rtl::Reference<PresenterAccessible::AccessibleObject> pObject ( + new PresenterAccessible::AccessibleObject( + rLocale, AccessibleRole::PANEL, sName)); + pObject->LateInitialization(); + pObject->UpdateStateSet(); + + return pObject; + } +}; + +//===== AccessiblePreview ===================================================== + +class AccessiblePreview +{ +public: + static rtl::Reference<PresenterAccessible::AccessibleObject> Create ( + const Reference<css::uno::XComponentContext>& rxContext, + const lang::Locale& rLocale, + const Reference<awt::XWindow>& rxContentWindow, + const Reference<awt::XWindow>& rxBorderWindow) + { + OUString sName ("Presenter Notes Window"); + { + PresenterConfigurationAccess aConfiguration ( + rxContext, + "/org.openoffice.Office.PresenterScreen/", + PresenterConfigurationAccess::READ_ONLY); + aConfiguration.GetConfigurationNode("Presenter/Accessibility/Preview/String") + >>= sName; + } + + rtl::Reference<PresenterAccessible::AccessibleObject> pObject ( + new PresenterAccessible::AccessibleObject( + rLocale, + AccessibleRole::LABEL, + sName)); + pObject->LateInitialization(); + pObject->UpdateStateSet(); + pObject->SetWindow(rxContentWindow, rxBorderWindow); + + return pObject; + } +}; + +//===== AccessibleNotes ======================================================= + +class AccessibleNotes : public PresenterAccessible::AccessibleObject +{ +public: + AccessibleNotes ( + const css::lang::Locale& rLocale, + const OUString& rsName); + + static rtl::Reference<PresenterAccessible::AccessibleObject> Create ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const lang::Locale& rLocale, + const Reference<awt::XWindow>& rxContentWindow, + const Reference<awt::XWindow>& rxBorderWindow, + const std::shared_ptr<PresenterTextView>& rpTextView); + + void SetTextView (const std::shared_ptr<PresenterTextView>& rpTextView); + + virtual void SetWindow ( + const css::uno::Reference<css::awt::XWindow>& rxContentWindow, + const css::uno::Reference<css::awt::XWindow>& rxBorderWindow) override; + +private: + std::shared_ptr<PresenterTextView> mpTextView; + + void NotifyCaretChange ( + const sal_Int32 nOldParagraphIndex, + const sal_Int32 nOldCharacterIndex, + const sal_Int32 nNewParagraphIndex, + const sal_Int32 nNewCharacterIndex); +}; + +//===== AccessibleFocusManager ================================================ + +/** A singleton class that makes sure that only one accessibility object in + the PresenterConsole hierarchy has the focus. +*/ +class AccessibleFocusManager +{ +public: + static std::shared_ptr<AccessibleFocusManager> const & Instance(); + + void AddFocusableObject (const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject); + void RemoveFocusableObject (const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject); + + void FocusObject (const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject); + + ~AccessibleFocusManager(); + +private: + static std::shared_ptr<AccessibleFocusManager> mpInstance; + ::std::vector<rtl::Reference<PresenterAccessible::AccessibleObject> > maFocusableObjects; + bool m_isInDtor = false; + + AccessibleFocusManager(); +}; + +} + +//===== PresenterAccessible =================================================== + +PresenterAccessible::PresenterAccessible ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const ::rtl::Reference<PresenterController>& rpPresenterController, + const Reference<drawing::framework::XPane>& rxMainPane) + : PresenterAccessibleInterfaceBase(m_aMutex), + mxComponentContext(rxContext), + mpPresenterController(rpPresenterController), + mxMainPane(rxMainPane, UNO_QUERY) +{ + if (mxMainPane.is()) + mxMainPane->setAccessible(this); +} + +PresenterAccessible::~PresenterAccessible() +{ +} + +PresenterPaneContainer::SharedPaneDescriptor PresenterAccessible::GetPreviewPane() const +{ + PresenterPaneContainer::SharedPaneDescriptor pPreviewPane; + + if ( ! mpPresenterController.is()) + return pPreviewPane; + + rtl::Reference<PresenterPaneContainer> pContainer (mpPresenterController->GetPaneContainer()); + if ( ! pContainer.is()) + return pPreviewPane; + + pPreviewPane = pContainer->FindPaneURL(PresenterPaneFactory::msCurrentSlidePreviewPaneURL); + Reference<drawing::framework::XPane> xPreviewPane; + if (pPreviewPane) + xPreviewPane = pPreviewPane->mxPane.get(); + if ( ! xPreviewPane.is()) + { + pPreviewPane = pContainer->FindPaneURL(PresenterPaneFactory::msSlideSorterPaneURL); + } + return pPreviewPane; +} + +void PresenterAccessible::UpdateAccessibilityHierarchy() +{ + if ( ! mpPresenterController.is()) + return; + + Reference<drawing::framework::XConfigurationController> xConfigurationController( + mpPresenterController->GetConfigurationController()); + if ( ! xConfigurationController.is()) + return; + + rtl::Reference<PresenterPaneContainer> pPaneContainer ( + mpPresenterController->GetPaneContainer()); + if ( ! pPaneContainer.is()) + return; + + if ( ! mpAccessibleConsole.is()) + return; + + // Get the preview pane (standard or notes view) or the slide overview + // pane. + PresenterPaneContainer::SharedPaneDescriptor pPreviewPane(GetPreviewPane()); + Reference<drawing::framework::XPane> xPreviewPane; + if (pPreviewPane) + xPreviewPane = pPreviewPane->mxPane.get(); + + // Get the notes pane. + PresenterPaneContainer::SharedPaneDescriptor pNotesPane( + pPaneContainer->FindPaneURL(PresenterPaneFactory::msNotesPaneURL)); + Reference<drawing::framework::XPane> xNotesPane; + if (pNotesPane) + xNotesPane = pNotesPane->mxPane.get(); + + // Get the notes view. + Reference<drawing::framework::XView> xNotesView; + if (pNotesPane) + xNotesView = pNotesPane->mxView; + rtl::Reference<PresenterNotesView> pNotesView ( + dynamic_cast<PresenterNotesView*>(xNotesView.get())); + + UpdateAccessibilityHierarchy( + pPreviewPane ? pPreviewPane->mxContentWindow : Reference<awt::XWindow>(), + pPreviewPane ? pPreviewPane->mxBorderWindow : Reference<awt::XWindow>(), + (pPreviewPane&&pPreviewPane->mxPane.is()) ? pPreviewPane->mxPane->GetTitle() : OUString(), + pNotesPane ? pNotesPane->mxContentWindow : Reference<awt::XWindow>(), + pNotesPane ? pNotesPane->mxBorderWindow : Reference<awt::XWindow>(), + pNotesView.is() + ? pNotesView->GetTextView() + : std::shared_ptr<PresenterTextView>()); +} + +void PresenterAccessible::UpdateAccessibilityHierarchy ( + const Reference<awt::XWindow>& rxPreviewContentWindow, + const Reference<awt::XWindow>& rxPreviewBorderWindow, + const OUString& rsTitle, + const Reference<awt::XWindow>& rxNotesContentWindow, + const Reference<awt::XWindow>& rxNotesBorderWindow, + const std::shared_ptr<PresenterTextView>& rpNotesTextView) +{ + if ( ! mpAccessibleConsole.is()) + return; + + if (mxPreviewContentWindow != rxPreviewContentWindow) + { + if (mpAccessiblePreview.is()) + { + mpAccessibleConsole->RemoveChild(mpAccessiblePreview); + mpAccessiblePreview = nullptr; + } + + mxPreviewContentWindow = rxPreviewContentWindow; + mxPreviewBorderWindow = rxPreviewBorderWindow; + + if (mxPreviewContentWindow.is()) + { + mpAccessiblePreview = AccessiblePreview::Create( + mxComponentContext, + lang::Locale(), + mxPreviewContentWindow, + mxPreviewBorderWindow); + mpAccessibleConsole->AddChild(mpAccessiblePreview); + mpAccessiblePreview->SetAccessibleName(rsTitle); + } + } + + if (mxNotesContentWindow == rxNotesContentWindow) + return; + + if (mpAccessibleNotes.is()) + { + mpAccessibleConsole->RemoveChild(mpAccessibleNotes); + mpAccessibleNotes = nullptr; + } + + mxNotesContentWindow = rxNotesContentWindow; + mxNotesBorderWindow = rxNotesBorderWindow; + + if (mxNotesContentWindow.is()) + { + mpAccessibleNotes = AccessibleNotes::Create( + mxComponentContext, + lang::Locale(), + mxNotesContentWindow, + mxNotesBorderWindow, + rpNotesTextView); + mpAccessibleConsole->AddChild(mpAccessibleNotes); + } +} + +void PresenterAccessible::NotifyCurrentSlideChange () +{ + if (mpAccessiblePreview.is()) + { + PresenterPaneContainer::SharedPaneDescriptor pPreviewPane (GetPreviewPane()); + mpAccessiblePreview->SetAccessibleName( + pPreviewPane&&pPreviewPane->mxPane.is() + ? pPreviewPane->mxPane->GetTitle() + : OUString()); + } + + // Play some focus ping-pong to trigger AT tools. + //AccessibleFocusManager::Instance()->FocusObject(mpAccessibleConsole); + AccessibleFocusManager::Instance()->FocusObject(mpAccessiblePreview); +} + +void SAL_CALL PresenterAccessible::disposing() +{ + UpdateAccessibilityHierarchy( + nullptr, + nullptr, + OUString(), + nullptr, + nullptr, + std::shared_ptr<PresenterTextView>()); + + if (mxMainWindow.is()) + { + mxMainWindow->removeFocusListener(this); + + if (mxMainPane.is()) + mxMainPane->setAccessible(nullptr); + } + + mpAccessiblePreview = nullptr; + mpAccessibleNotes = nullptr; + mpAccessibleConsole = nullptr; +} + +//----- XAccessible ----------------------------------------------------------- + +Reference<XAccessibleContext> SAL_CALL PresenterAccessible::getAccessibleContext() +{ + if ( ! mpAccessibleConsole.is()) + { + Reference<XPane> xMainPane (mxMainPane, UNO_QUERY); + if (xMainPane.is()) + { + mxMainWindow = xMainPane->getWindow(); + mxMainWindow->addFocusListener(this); + } + mpAccessibleConsole = AccessibleConsole::Create( + mxComponentContext, css::lang::Locale()); + mpAccessibleConsole->SetWindow(mxMainWindow, nullptr); + mpAccessibleConsole->SetAccessibleParent(mxAccessibleParent); + UpdateAccessibilityHierarchy(); + if (mpPresenterController.is()) + mpPresenterController->SetAccessibilityActiveState(true); + } + return mpAccessibleConsole->getAccessibleContext(); +} + +//----- XFocusListener ---------------------------------------------------- + +void SAL_CALL PresenterAccessible::focusGained (const css::awt::FocusEvent&) +{ + SAL_INFO("sdext.presenter", __func__ << ": PresenterAccessible::focusGained at " << this + << " and window " << mxMainWindow.get()); + AccessibleFocusManager::Instance()->FocusObject(mpAccessibleConsole); +} + +void SAL_CALL PresenterAccessible::focusLost (const css::awt::FocusEvent&) +{ + SAL_INFO("sdext.presenter", __func__ << ": PresenterAccessible::focusLost at " << this); + AccessibleFocusManager::Instance()->FocusObject(nullptr); +} + +//----- XEventListener ---------------------------------------------------- + +void SAL_CALL PresenterAccessible::disposing (const css::lang::EventObject& rEvent) +{ + if (rEvent.Source == mxMainWindow) + mxMainWindow = nullptr; +} + +//----- XInitialize ----------------------------------------------------------- + +void SAL_CALL PresenterAccessible::initialize (const css::uno::Sequence<css::uno::Any>& rArguments) +{ + if (rArguments.hasElements()) + { + mxAccessibleParent.set(rArguments[0], UNO_QUERY); + if (mpAccessibleConsole.is()) + mpAccessibleConsole->SetAccessibleParent(mxAccessibleParent); + } +} + +//===== PresenterAccessible::AccessibleObject ========================================= + +PresenterAccessible::AccessibleObject::AccessibleObject ( + const lang::Locale& rLocale, + const sal_Int16 nRole, + const OUString& rsName) + : PresenterAccessibleObjectInterfaceBase(m_aMutex), + msName(rsName), + maLocale(rLocale), + mnRole(nRole), + mnStateSet(0), + mbIsFocused(false) +{ +} + +void PresenterAccessible::AccessibleObject::LateInitialization() +{ + AccessibleFocusManager::Instance()->AddFocusableObject(this); +} + +void PresenterAccessible::AccessibleObject::SetWindow ( + const Reference<awt::XWindow>& rxContentWindow, + const Reference<awt::XWindow>& rxBorderWindow) +{ + Reference<awt::XWindow2> xContentWindow (rxContentWindow, UNO_QUERY); + + if (mxContentWindow.get() == xContentWindow.get()) + return; + + if (mxContentWindow.is()) + { + mxContentWindow->removeWindowListener(this); + } + + mxContentWindow = xContentWindow; + mxBorderWindow.set(rxBorderWindow, UNO_QUERY); + + if (mxContentWindow.is()) + { + mxContentWindow->addWindowListener(this); + } + + UpdateStateSet(); +} + +void PresenterAccessible::AccessibleObject::SetAccessibleParent ( + const Reference<XAccessible>& rxAccessibleParent) +{ + mxParentAccessible = rxAccessibleParent; +} + +void SAL_CALL PresenterAccessible::AccessibleObject::disposing() +{ + AccessibleFocusManager::Instance()->RemoveFocusableObject(this); + SetWindow(nullptr, nullptr); +} + +//----- XAccessible ------------------------------------------------------- + +Reference<XAccessibleContext> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleContext() +{ + ThrowIfDisposed(); + + return this; +} + +//----- XAccessibleContext ---------------------------------------------- + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleObject::getAccessibleChildCount() +{ + ThrowIfDisposed(); + + const sal_Int32 nChildCount (maChildren.size()); + + return nChildCount; +} + +Reference<XAccessible> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleChild (sal_Int32 nIndex) +{ + ThrowIfDisposed(); + + if (nIndex<0 || o3tl::make_unsigned(nIndex)>=maChildren.size()) + throw lang::IndexOutOfBoundsException("invalid child index", static_cast<uno::XWeak*>(this)); + + return maChildren[nIndex]; +} + +Reference<XAccessible> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleParent() +{ + ThrowIfDisposed(); + + return mxParentAccessible; +} + +sal_Int32 SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleIndexInParent() +{ + ThrowIfDisposed(); + + const Reference<XAccessible> xThis (this); + if (mxParentAccessible.is()) + { + const Reference<XAccessibleContext> xContext (mxParentAccessible->getAccessibleContext()); + for (sal_Int32 nIndex=0,nCount=xContext->getAccessibleChildCount(); + nIndex<nCount; + ++nIndex) + { + if (xContext->getAccessibleChild(nIndex) == xThis) + return nIndex; + } + } + + return 0; +} + +sal_Int16 SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleRole() +{ + ThrowIfDisposed(); + + return mnRole; +} + +OUString SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleDescription() +{ + ThrowIfDisposed(); + + return msName; +} + +OUString SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleName() +{ + ThrowIfDisposed(); + + return msName; +} + +Reference<XAccessibleRelationSet> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleRelationSet() +{ + ThrowIfDisposed(); + + return nullptr; +} + +Reference<XAccessibleStateSet> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleStateSet() +{ + ThrowIfDisposed(); + + return Reference<XAccessibleStateSet>(new AccessibleStateSet(mnStateSet)); +} + +lang::Locale SAL_CALL + PresenterAccessible::AccessibleObject::getLocale() +{ + ThrowIfDisposed(); + + if (mxParentAccessible.is()) + { + Reference<XAccessibleContext> xParentContext (mxParentAccessible->getAccessibleContext()); + if (xParentContext.is()) + return xParentContext->getLocale(); + } + return maLocale; +} + +//----- XAccessibleComponent ------------------------------------------------ + +sal_Bool SAL_CALL PresenterAccessible::AccessibleObject::containsPoint ( + const awt::Point& rPoint) +{ + ThrowIfDisposed(); + + if (mxContentWindow.is()) + { + const awt::Rectangle aBox (getBounds()); + return rPoint.X>=aBox.X + && rPoint.Y>=aBox.Y + && rPoint.X<aBox.X+aBox.Width + && rPoint.Y<aBox.Y+aBox.Height; + } + else + return false; +} + +Reference<XAccessible> SAL_CALL + PresenterAccessible::AccessibleObject::getAccessibleAtPoint (const awt::Point&) +{ + ThrowIfDisposed(); + + return Reference<XAccessible>(); +} + +awt::Rectangle SAL_CALL PresenterAccessible::AccessibleObject::getBounds() +{ + ThrowIfDisposed(); + + const awt::Point aLocation (GetRelativeLocation()); + const awt::Size aSize (GetSize()); + + return awt::Rectangle (aLocation.X, aLocation.Y, aSize.Width, aSize.Height); +} + +awt::Point SAL_CALL PresenterAccessible::AccessibleObject::getLocation() +{ + ThrowIfDisposed(); + + const awt::Point aLocation (GetRelativeLocation()); + + return aLocation; +} + +awt::Point SAL_CALL PresenterAccessible::AccessibleObject::getLocationOnScreen() +{ + ThrowIfDisposed(); + + awt::Point aRelativeLocation (GetRelativeLocation()); + awt::Point aParentLocationOnScreen (GetAbsoluteParentLocation()); + + return awt::Point( + aRelativeLocation.X + aParentLocationOnScreen.X, + aRelativeLocation.Y + aParentLocationOnScreen.Y); +} + +awt::Size SAL_CALL PresenterAccessible::AccessibleObject::getSize() +{ + ThrowIfDisposed(); + + const awt::Size aSize (GetSize()); + + return aSize; +} + +void SAL_CALL PresenterAccessible::AccessibleObject::grabFocus() +{ + ThrowIfDisposed(); + if (mxBorderWindow.is()) + mxBorderWindow->setFocus(); + else if (mxContentWindow.is()) + mxContentWindow->setFocus(); +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleObject::getForeground() +{ + ThrowIfDisposed(); + + return 0x00ffffff; +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleObject::getBackground() +{ + ThrowIfDisposed(); + + return 0x00000000; +} + +//----- XAccessibleEventBroadcaster ------------------------------------------- + +void SAL_CALL PresenterAccessible::AccessibleObject::addAccessibleEventListener ( + const Reference<XAccessibleEventListener>& rxListener) +{ + if (!rxListener.is()) + return; + + const osl::MutexGuard aGuard(m_aMutex); + + if (rBHelper.bDisposed || rBHelper.bInDispose) + { + uno::Reference<uno::XInterface> xThis (static_cast<XWeak*>(this), UNO_QUERY); + rxListener->disposing (lang::EventObject(xThis)); + } + else + { + maListeners.push_back(rxListener); + } +} + +void SAL_CALL PresenterAccessible::AccessibleObject::removeAccessibleEventListener ( + const Reference<XAccessibleEventListener>& rxListener) +{ + ThrowIfDisposed(); + if (rxListener.is()) + { + const osl::MutexGuard aGuard(m_aMutex); + + auto const it(std::remove(maListeners.begin(), maListeners.end(), rxListener)); + if (it != maListeners.end()) + { + maListeners.erase(it); + } + } +} + +//----- XWindowListener --------------------------------------------------- + +void SAL_CALL PresenterAccessible::AccessibleObject::windowResized ( + const css::awt::WindowEvent&) +{ + FireAccessibleEvent(AccessibleEventId::BOUNDRECT_CHANGED, Any(), Any()); +} + +void SAL_CALL PresenterAccessible::AccessibleObject::windowMoved ( + const css::awt::WindowEvent&) +{ + FireAccessibleEvent(AccessibleEventId::BOUNDRECT_CHANGED, Any(), Any()); +} + +void SAL_CALL PresenterAccessible::AccessibleObject::windowShown ( + const css::lang::EventObject&) +{ + UpdateStateSet(); +} + +void SAL_CALL PresenterAccessible::AccessibleObject::windowHidden ( + const css::lang::EventObject&) +{ + UpdateStateSet(); +} + +//----- XEventListener -------------------------------------------------------- + +void SAL_CALL PresenterAccessible::AccessibleObject::disposing (const css::lang::EventObject& rEvent) +{ + if (rEvent.Source == mxContentWindow) + { + mxContentWindow = nullptr; + mxBorderWindow = nullptr; + } + else + { + SetWindow(nullptr, nullptr); + } +} + +//----- private --------------------------------------------------------------- + +bool PresenterAccessible::AccessibleObject::GetWindowState (const sal_Int16 nType) const +{ + switch (nType) + { + case AccessibleStateType::ENABLED: + return mxContentWindow.is() && mxContentWindow->isEnabled(); + + case AccessibleStateType::FOCUSABLE: + return true; + + case AccessibleStateType::FOCUSED: + return mbIsFocused; + + case AccessibleStateType::SHOWING: + return mxContentWindow.is() && mxContentWindow->isVisible(); + + default: + return false; + } +} + +void PresenterAccessible::AccessibleObject::UpdateStateSet() +{ + UpdateState(AccessibleStateType::FOCUSABLE, true); + UpdateState(AccessibleStateType::VISIBLE, true); + UpdateState(AccessibleStateType::ENABLED, true); + UpdateState(AccessibleStateType::MULTI_LINE, true); + UpdateState(AccessibleStateType::SENSITIVE, true); + + UpdateState(AccessibleStateType::ENABLED, GetWindowState(AccessibleStateType::ENABLED)); + UpdateState(AccessibleStateType::FOCUSED, GetWindowState(AccessibleStateType::FOCUSED)); + UpdateState(AccessibleStateType::SHOWING, GetWindowState(AccessibleStateType::SHOWING)); + // UpdateState(AccessibleStateType::ACTIVE, GetWindowState(AccessibleStateType::ACTIVE)); +} + +void PresenterAccessible::AccessibleObject::UpdateState( + const sal_Int16 nState, + const bool bValue) +{ + const sal_uInt32 nStateMask (AccessibleStateSet::GetStateMask(nState)); + if (((mnStateSet & nStateMask) != 0) == bValue) + return; + if (bValue) + { + mnStateSet |= nStateMask; + FireAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), Any(nState)); + } + else + { + mnStateSet &= ~nStateMask; + FireAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(nState), Any()); + } +} + +void PresenterAccessible::AccessibleObject::AddChild ( + const ::rtl::Reference<AccessibleObject>& rpChild) +{ + maChildren.push_back(rpChild); + rpChild->SetAccessibleParent(this); + FireAccessibleEvent(AccessibleEventId::INVALIDATE_ALL_CHILDREN, Any(), Any()); +} + +void PresenterAccessible::AccessibleObject::RemoveChild ( + const ::rtl::Reference<AccessibleObject>& rpChild) +{ + rpChild->SetAccessibleParent(Reference<XAccessible>()); + maChildren.erase(::std::find(maChildren.begin(), maChildren.end(), rpChild)); + FireAccessibleEvent(AccessibleEventId::INVALIDATE_ALL_CHILDREN, Any(), Any()); +} + +void PresenterAccessible::AccessibleObject::SetIsFocused (const bool bIsFocused) +{ + if (mbIsFocused != bIsFocused) + { + mbIsFocused = bIsFocused; + UpdateStateSet(); + } +} + +void PresenterAccessible::AccessibleObject::SetAccessibleName (const OUString& rsName) +{ + if (msName != rsName) + { + const OUString sOldName(msName); + msName = rsName; + FireAccessibleEvent(AccessibleEventId::NAME_CHANGED, Any(sOldName), Any(msName)); + } +} + +void PresenterAccessible::AccessibleObject::FireAccessibleEvent ( + const sal_Int16 nEventId, + const uno::Any& rOldValue, + const uno::Any& rNewValue ) +{ + AccessibleEventObject aEventObject; + + aEventObject.Source = Reference<XWeak>(this); + aEventObject.EventId = nEventId; + aEventObject.NewValue = rNewValue; + aEventObject.OldValue = rOldValue; + + ::std::vector<Reference<XAccessibleEventListener> > aListenerCopy(maListeners); + for (const auto& rxListener : aListenerCopy) + { + try + { + rxListener->notifyEvent(aEventObject); + } + catch (const lang::DisposedException&) + { + // Listener has been disposed and should have been removed + // already. + removeAccessibleEventListener(rxListener); + } + catch (const Exception&) + { + // Ignore all other exceptions and assume that they are + // caused by a temporary problem. + } + } +} + +awt::Point PresenterAccessible::AccessibleObject::GetRelativeLocation() +{ + awt::Point aLocation; + if (mxContentWindow.is()) + { + const awt::Rectangle aContentBox (mxContentWindow->getPosSize()); + aLocation.X = aContentBox.X; + aLocation.Y = aContentBox.Y; + if (mxBorderWindow.is()) + { + const awt::Rectangle aBorderBox (mxBorderWindow->getPosSize()); + aLocation.X += aBorderBox.X; + aLocation.Y += aBorderBox.Y; + } + } + return aLocation; +} + +awt::Size PresenterAccessible::AccessibleObject::GetSize() +{ + if (mxContentWindow.is()) + { + const awt::Rectangle aBox (mxContentWindow->getPosSize()); + return awt::Size(aBox.Width, aBox.Height); + } + else + return awt::Size(); +} + +awt::Point PresenterAccessible::AccessibleObject::GetAbsoluteParentLocation() +{ + Reference<XAccessibleComponent> xParentComponent; + if (mxParentAccessible.is()) + xParentComponent.set( mxParentAccessible->getAccessibleContext(), UNO_QUERY); + if (xParentComponent.is()) + return xParentComponent->getLocationOnScreen(); + else + return awt::Point(); +} + +void PresenterAccessible::AccessibleObject::ThrowIfDisposed() const +{ + if (rBHelper.bDisposed || rBHelper.bInDispose) + throw lang::DisposedException("object has already been disposed", uno::Reference<uno::XInterface>(const_cast<uno::XWeak*>(static_cast<uno::XWeak const *>(this)))); +} + +//===== AccessibleStateSet ==================================================== + +AccessibleStateSet::AccessibleStateSet (const sal_Int32 nStateSet) + : AccessibleStateSetInterfaceBase(m_aMutex), + mnStateSet (nStateSet) +{ +} + +sal_uInt32 AccessibleStateSet::GetStateMask (const sal_Int16 nState) +{ + if (nState<0 || o3tl::make_unsigned(nState)>=sizeof(sal_uInt32)*8) + { + throw RuntimeException("AccessibleStateSet::GetStateMask: invalid state"); + } + + return 1<<nState; +} + +//----- XAccessibleStateSet --------------------------------------------------- + +sal_Bool SAL_CALL AccessibleStateSet::isEmpty() +{ + return mnStateSet==0; +} + +sal_Bool SAL_CALL AccessibleStateSet::contains (sal_Int16 nState) +{ + return (mnStateSet & GetStateMask(nState)) != 0; +} + +sal_Bool SAL_CALL AccessibleStateSet::containsAll (const css::uno::Sequence<sal_Int16>& rStateSet) +{ + return std::none_of(rStateSet.begin(), rStateSet.end(), + [this](const sal_Int16 nState) { return (mnStateSet & GetStateMask(nState)) == 0; }); +} + +css::uno::Sequence<sal_Int16> SAL_CALL AccessibleStateSet::getStates() +{ + ::std::vector<sal_Int16> aStates; + aStates.reserve(sizeof(mnStateSet)*8); + for (sal_uInt16 nIndex=0; nIndex<sizeof(mnStateSet)*8; ++nIndex) + if ((mnStateSet & GetStateMask(nIndex)) != 0) + aStates.push_back(nIndex); + return Sequence<sal_Int16>(aStates.data(), aStates.size()); +} + +//===== AccessibleRelationSet ================================================= + +AccessibleRelationSet::AccessibleRelationSet() + : AccessibleRelationSetInterfaceBase(m_aMutex) +{ +} + +void AccessibleRelationSet::AddRelation ( + const sal_Int16 nRelationType, + const Reference<XInterface>& rxObject) +{ + maRelations.emplace_back(); + maRelations.back().RelationType = nRelationType; + maRelations.back().TargetSet = { rxObject }; +} + +//----- XAccessibleRelationSet ------------------------------------------------ + +sal_Int32 SAL_CALL AccessibleRelationSet::getRelationCount() +{ + return maRelations.size(); +} + +AccessibleRelation SAL_CALL AccessibleRelationSet::getRelation (sal_Int32 nIndex) +{ + if (nIndex<0 && o3tl::make_unsigned(nIndex)>=maRelations.size()) + return AccessibleRelation(); + else + return maRelations[nIndex]; +} + +sal_Bool SAL_CALL AccessibleRelationSet::containsRelation (sal_Int16 nRelationType) +{ + return std::any_of(maRelations.begin(), maRelations.end(), + [nRelationType](const AccessibleRelation& rRelation) { return rRelation.RelationType == nRelationType; }); +} + +AccessibleRelation SAL_CALL AccessibleRelationSet::getRelationByType (sal_Int16 nRelationType) +{ + auto iRelation = std::find_if(maRelations.begin(), maRelations.end(), + [nRelationType](const AccessibleRelation& rRelation) { return rRelation.RelationType == nRelationType; }); + if (iRelation != maRelations.end()) + return *iRelation; + return AccessibleRelation(); +} + +//===== PresenterAccessible::AccessibleParagraph ============================== + +PresenterAccessible::AccessibleParagraph::AccessibleParagraph ( + const lang::Locale& rLocale, + const OUString& rsName, + const SharedPresenterTextParagraph& rpParagraph, + const sal_Int32 nParagraphIndex) + : PresenterAccessibleParagraphInterfaceBase(rLocale, AccessibleRole::PARAGRAPH, rsName), + mpParagraph(rpParagraph), + mnParagraphIndex(nParagraphIndex) +{ +} + +//----- XAccessibleContext ---------------------------------------------------- + +Reference<XAccessibleRelationSet> SAL_CALL + PresenterAccessible::AccessibleParagraph::getAccessibleRelationSet() +{ + ThrowIfDisposed(); + + rtl::Reference<AccessibleRelationSet> pSet (new AccessibleRelationSet); + + if (mxParentAccessible.is()) + { + Reference<XAccessibleContext> xParentContext (mxParentAccessible->getAccessibleContext()); + if (xParentContext.is()) + { + if (mnParagraphIndex>0) + pSet->AddRelation( + AccessibleRelationType::CONTENT_FLOWS_FROM, + xParentContext->getAccessibleChild(mnParagraphIndex-1)); + + if (mnParagraphIndex<xParentContext->getAccessibleChildCount()-1) + pSet->AddRelation( + AccessibleRelationType::CONTENT_FLOWS_TO, + xParentContext->getAccessibleChild(mnParagraphIndex+1)); + } + } + + return pSet; +} + +//----- XAccessibleText ------------------------------------------------------- + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleParagraph::getCaretPosition() +{ + ThrowIfDisposed(); + + sal_Int32 nPosition (-1); + if (mpParagraph) + nPosition = mpParagraph->GetCaretPosition(); + + return nPosition; +} + +sal_Bool SAL_CALL PresenterAccessible::AccessibleParagraph::setCaretPosition (sal_Int32 nIndex) +{ + ThrowIfDisposed(); + + if (mpParagraph) + { + mpParagraph->SetCaretPosition(nIndex); + return true; + } + else + return false; +} + +sal_Unicode SAL_CALL PresenterAccessible::AccessibleParagraph::getCharacter (sal_Int32 nIndex) +{ + ThrowIfDisposed(); + + if (!mpParagraph) + throw lang::IndexOutOfBoundsException("no text support in current mode", static_cast<uno::XWeak*>(this)); + return mpParagraph->GetCharacter(nIndex); +} + +Sequence<css::beans::PropertyValue> SAL_CALL + PresenterAccessible::AccessibleParagraph::getCharacterAttributes ( + ::sal_Int32 nIndex, + const css::uno::Sequence<OUString>& rRequestedAttributes) +{ + ThrowIfDisposed(); + +#if OSL_DEBUG_LEVEL > 0 + SAL_INFO( "sdext.presenter", __func__ << " at " << this << ", " << nIndex << " returns empty set" ); + for (sal_Int32 nAttributeIndex(0), nAttributeCount(rRequestedAttributes.getLength()); + nAttributeIndex < nAttributeCount; + ++nAttributeIndex) + { + SAL_INFO( "sdext.presenter", + " requested attribute " << nAttributeIndex << " is " << rRequestedAttributes[nAttributeIndex] ); + } +#else + (void)nIndex; + (void)rRequestedAttributes; +#endif + + // Character properties are not supported. + return Sequence<css::beans::PropertyValue>(); +} + +awt::Rectangle SAL_CALL PresenterAccessible::AccessibleParagraph::getCharacterBounds ( + sal_Int32 nIndex) +{ + ThrowIfDisposed(); + + awt::Rectangle aCharacterBox; + if (nIndex < 0) + { + throw lang::IndexOutOfBoundsException("invalid text index", static_cast<uno::XWeak*>(this)); + } + else if (mpParagraph) + { + aCharacterBox = mpParagraph->GetCharacterBounds(nIndex, false); + // Convert coordinates relative to the window origin into absolute + // screen coordinates. + const awt::Point aWindowLocationOnScreen (getLocationOnScreen()); + aCharacterBox.X += aWindowLocationOnScreen.X; + aCharacterBox.Y += aWindowLocationOnScreen.Y; + } + else + { + throw lang::IndexOutOfBoundsException("no text support in current mode", static_cast<uno::XWeak*>(this)); + } + + return aCharacterBox; +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleParagraph::getCharacterCount() +{ + ThrowIfDisposed(); + + sal_Int32 nCount (0); + if (mpParagraph) + nCount = mpParagraph->GetCharacterCount(); + + return nCount; +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleParagraph::getIndexAtPoint ( + const css::awt::Point& ) +{ + ThrowIfDisposed(); + return -1; +} + +OUString SAL_CALL PresenterAccessible::AccessibleParagraph::getSelectedText() +{ + ThrowIfDisposed(); + + return getTextRange(getSelectionStart(), getSelectionEnd()); +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleParagraph::getSelectionStart() +{ + ThrowIfDisposed(); + + return getCaretPosition(); +} + +sal_Int32 SAL_CALL PresenterAccessible::AccessibleParagraph::getSelectionEnd() +{ + ThrowIfDisposed(); + + return getCaretPosition(); +} + +sal_Bool SAL_CALL PresenterAccessible::AccessibleParagraph::setSelection ( + sal_Int32 nStartIndex, + sal_Int32) +{ + ThrowIfDisposed(); + + return setCaretPosition(nStartIndex); +} + +OUString SAL_CALL PresenterAccessible::AccessibleParagraph::getText() +{ + ThrowIfDisposed(); + + OUString sText; + if (mpParagraph) + sText = mpParagraph->GetText(); + + return sText; +} + +OUString SAL_CALL PresenterAccessible::AccessibleParagraph::getTextRange ( + sal_Int32 nLocalStartIndex, + sal_Int32 nLocalEndIndex) +{ + ThrowIfDisposed(); + + OUString sText; + if (mpParagraph) + { + const TextSegment aSegment ( + mpParagraph->CreateTextSegment(nLocalStartIndex, nLocalEndIndex)); + sText = aSegment.SegmentText; + } + + return sText; +} + +TextSegment SAL_CALL PresenterAccessible::AccessibleParagraph::getTextAtIndex ( + sal_Int32 nLocalCharacterIndex, + sal_Int16 nTextType) +{ + ThrowIfDisposed(); + + TextSegment aSegment; + if (mpParagraph) + aSegment = mpParagraph->GetTextSegment(0, nLocalCharacterIndex, nTextType); + + return aSegment; +} + +TextSegment SAL_CALL PresenterAccessible::AccessibleParagraph::getTextBeforeIndex ( + sal_Int32 nLocalCharacterIndex, + sal_Int16 nTextType) +{ + ThrowIfDisposed(); + + TextSegment aSegment; + if (mpParagraph) + aSegment = mpParagraph->GetTextSegment(-1, nLocalCharacterIndex, nTextType); + + return aSegment; +} + +TextSegment SAL_CALL PresenterAccessible::AccessibleParagraph::getTextBehindIndex ( + sal_Int32 nLocalCharacterIndex, + sal_Int16 nTextType) +{ + ThrowIfDisposed(); + + TextSegment aSegment; + if (mpParagraph) + aSegment = mpParagraph->GetTextSegment(+1, nLocalCharacterIndex, nTextType); + + return aSegment; +} + +sal_Bool SAL_CALL PresenterAccessible::AccessibleParagraph::copyText ( + sal_Int32, + sal_Int32) +{ + ThrowIfDisposed(); + + // Return false because copying to clipboard is not supported. + // It IS supported in the notes view. There is no need to duplicate + // this here. + return false; +} + +sal_Bool SAL_CALL PresenterAccessible::AccessibleParagraph::scrollSubstringTo( + sal_Int32, + sal_Int32, + AccessibleScrollType) +{ + return false; +} + +//----- protected ------------------------------------------------------------- + +awt::Point PresenterAccessible::AccessibleParagraph::GetRelativeLocation() +{ + awt::Point aLocation (AccessibleObject::GetRelativeLocation()); + if (mpParagraph) + { + const awt::Point aParagraphLocation (mpParagraph->GetRelativeLocation()); + aLocation.X += aParagraphLocation.X; + aLocation.Y += aParagraphLocation.Y; + } + + return aLocation; +} + +awt::Size PresenterAccessible::AccessibleParagraph::GetSize() +{ + if (mpParagraph) + return mpParagraph->GetSize(); + else + return AccessibleObject::GetSize(); +} + +awt::Point PresenterAccessible::AccessibleParagraph::GetAbsoluteParentLocation() +{ + if (mxParentAccessible.is()) + { + Reference<XAccessibleContext> xParentContext = + mxParentAccessible->getAccessibleContext(); + if (xParentContext.is()) + { + Reference<XAccessibleComponent> xGrandParentComponent( + xParentContext->getAccessibleParent(), UNO_QUERY); + if (xGrandParentComponent.is()) + return xGrandParentComponent->getLocationOnScreen(); + } + } + + return awt::Point(); +} + +bool PresenterAccessible::AccessibleParagraph::GetWindowState (const sal_Int16 nType) const +{ + switch (nType) + { + case AccessibleStateType::EDITABLE: + return bool(mpParagraph); + + case AccessibleStateType::ACTIVE: + return true; + + default: + return AccessibleObject::GetWindowState(nType); + } +} + +//===== AccessibleNotes ======================================================= + +AccessibleNotes::AccessibleNotes ( + const css::lang::Locale& rLocale, + const OUString& rsName) + : AccessibleObject(rLocale,AccessibleRole::PANEL,rsName) +{ +} + +rtl::Reference<PresenterAccessible::AccessibleObject> AccessibleNotes::Create ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const lang::Locale& rLocale, + const Reference<awt::XWindow>& rxContentWindow, + const Reference<awt::XWindow>& rxBorderWindow, + const std::shared_ptr<PresenterTextView>& rpTextView) +{ + OUString sName ("Presenter Notes Text"); + { + PresenterConfigurationAccess aConfiguration ( + rxContext, + "/org.openoffice.Office.PresenterScreen/", + PresenterConfigurationAccess::READ_ONLY); + aConfiguration.GetConfigurationNode("Presenter/Accessibility/Notes/String") + >>= sName; + } + + rtl::Reference<AccessibleNotes> pObject ( + new AccessibleNotes( + rLocale, + sName)); + pObject->LateInitialization(); + pObject->SetTextView(rpTextView); + pObject->UpdateStateSet(); + pObject->SetWindow(rxContentWindow, rxBorderWindow); + + return pObject; +} + +void AccessibleNotes::SetTextView ( + const std::shared_ptr<PresenterTextView>& rpTextView) +{ + ::std::vector<rtl::Reference<PresenterAccessible::AccessibleObject> > aChildren; + + // Release any listeners to the current text view. + if (mpTextView) + { + mpTextView->GetCaret()->SetCaretMotionBroadcaster( + ::std::function<void (sal_Int32,sal_Int32,sal_Int32,sal_Int32)>()); + mpTextView->SetTextChangeBroadcaster( + ::std::function<void ()>()); + } + + mpTextView = rpTextView; + + if (!mpTextView) + return; + + // Create a new set of children, one for each paragraph. + const sal_Int32 nParagraphCount (mpTextView->GetParagraphCount()); + for (sal_Int32 nIndex=0; nIndex<nParagraphCount; ++nIndex) + { + rtl::Reference<PresenterAccessible::AccessibleParagraph> pParagraph ( + new PresenterAccessible::AccessibleParagraph( + css::lang::Locale(), + "Paragraph"+OUString::number(nIndex), + rpTextView->GetParagraph(nIndex), + nIndex)); + pParagraph->LateInitialization(); + pParagraph->SetWindow(mxContentWindow, mxBorderWindow); + pParagraph->SetAccessibleParent(this); + aChildren.emplace_back(pParagraph.get()); + } + maChildren.swap(aChildren); + FireAccessibleEvent(AccessibleEventId::INVALIDATE_ALL_CHILDREN, Any(), Any()); + + // Dispose the old children. (This will remove them from the focus + // manager). + for (const auto& rxChild : aChildren) + { + Reference<lang::XComponent> xComponent = rxChild; + if (xComponent.is()) + xComponent->dispose(); + } + + // This class acts as a controller of who broadcasts caret motion + // events and handles text changes. Register the corresponding + // listeners here. + mpTextView->GetCaret()->SetCaretMotionBroadcaster( + [this](sal_Int32 a, sal_Int32 b, sal_Int32 c, sal_Int32 d) + { return this->NotifyCaretChange(a, b, c, d); }); + mpTextView->SetTextChangeBroadcaster( + [this]() { return SetTextView(mpTextView); }); +} + +void AccessibleNotes::SetWindow ( + const css::uno::Reference<css::awt::XWindow>& rxContentWindow, + const css::uno::Reference<css::awt::XWindow>& rxBorderWindow) +{ + AccessibleObject::SetWindow(rxContentWindow, rxBorderWindow); + + // Set the windows at the children as well, so that every paragraph can + // setup its geometry. + for (auto& rxChild : maChildren) + { + rxChild->SetWindow(rxContentWindow, rxBorderWindow); + } +} + +void AccessibleNotes::NotifyCaretChange ( + const sal_Int32 nOldParagraphIndex, + const sal_Int32 nOldCharacterIndex, + const sal_Int32 nNewParagraphIndex, + const sal_Int32 nNewCharacterIndex) +{ + AccessibleFocusManager::Instance()->FocusObject( + nNewParagraphIndex >= 0 + ? maChildren[nNewParagraphIndex] + : this); + + if (nOldParagraphIndex != nNewParagraphIndex) + { + // Moved caret from one paragraph to another (or showed or + // hid the caret). Move focus from one accessible + // paragraph to another. + if (nOldParagraphIndex >= 0) + { + maChildren[nOldParagraphIndex]->FireAccessibleEvent( + AccessibleEventId::CARET_CHANGED, + Any(nOldCharacterIndex), + Any(sal_Int32(-1))); + } + if (nNewParagraphIndex >= 0) + { + maChildren[nNewParagraphIndex]->FireAccessibleEvent( + AccessibleEventId::CARET_CHANGED, + Any(sal_Int32(-1)), + Any(nNewCharacterIndex)); + } + } + else if (nNewParagraphIndex >= 0) + { + // Caret moved inside one paragraph. + maChildren[nNewParagraphIndex]->FireAccessibleEvent( + AccessibleEventId::CARET_CHANGED, + Any(nOldCharacterIndex), + Any(nNewCharacterIndex)); + } +} + + +//===== AccessibleFocusManager ================================================ + +std::shared_ptr<AccessibleFocusManager> AccessibleFocusManager::mpInstance; + +std::shared_ptr<AccessibleFocusManager> const & AccessibleFocusManager::Instance() +{ + if ( ! mpInstance) + { + mpInstance.reset(new AccessibleFocusManager()); + } + return mpInstance; +} + +AccessibleFocusManager::AccessibleFocusManager() +{ +} + +AccessibleFocusManager::~AccessibleFocusManager() +{ + // copy member to stack, then drop it - otherwise will get use-after-free + // from AccessibleObject::disposing(), it will call ~Reference *twice* + auto const temp(std::move(maFocusableObjects)); + (void) temp; + m_isInDtor = true; +} + +void AccessibleFocusManager::AddFocusableObject ( + const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject) +{ + OSL_ASSERT(rpObject.is()); + OSL_ASSERT(::std::find(maFocusableObjects.begin(),maFocusableObjects.end(), rpObject)==maFocusableObjects.end()); + + maFocusableObjects.push_back(rpObject); +} + +void AccessibleFocusManager::RemoveFocusableObject ( + const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject) +{ + ::std::vector<rtl::Reference<PresenterAccessible::AccessibleObject> >::iterator iObject ( + ::std::find(maFocusableObjects.begin(),maFocusableObjects.end(), rpObject)); + + if (iObject != maFocusableObjects.end()) + maFocusableObjects.erase(iObject); + else + { + OSL_ASSERT(m_isInDtor); // in dtor, was removed already + } +} + +void AccessibleFocusManager::FocusObject ( + const ::rtl::Reference<PresenterAccessible::AccessibleObject>& rpObject) +{ + // Remove the focus of any of the other focusable objects. + for (auto& rxObject : maFocusableObjects) + { + if (rxObject!=rpObject) + rxObject->SetIsFocused(false); + } + + if (rpObject.is()) + rpObject->SetIsFocused(true); +} + +} // end of namespace ::sd::presenter + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |