Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 429 insertions, 0 deletions

diff --git a/sd/source/ui/accessibility/AccessibleSlideSorterObject.cxx b/sd/source/ui/accessibility/AccessibleSlideSorterObject.cxx
new file mode 100644
index 000000000..13fc60db0
--- /dev/null
+++ b/sd/source/ui/accessibility/AccessibleSlideSorterObject.cxx
@@ -0,0 +1,429 @@
+/* -*- 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 <AccessibleSlideSorterObject.hxx>
+
+#include <SlideSorter.hxx>
+#include <controller/SlideSorterController.hxx>
+#include <controller/SlsPageSelector.hxx>
+#include <controller/SlsFocusManager.hxx>
+#include <model/SlideSorterModel.hxx>
+#include <model/SlsPageDescriptor.hxx>
+#include <view/SlideSorterView.hxx>
+#include <view/SlsLayouter.hxx>
+#include <view/SlsPageObjectLayouter.hxx>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/IllegalAccessibleComponentStateException.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <comphelper/accessibleeventnotifier.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <sal/log.hxx>
+
+#include <sdpage.hxx>
+#include <sdresid.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+
+#include <strings.hrc>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::accessibility;
+
+namespace accessibility {
+
+AccessibleSlideSorterObject::AccessibleSlideSorterObject(
+    const Reference<XAccessible>& rxParent,
+    ::sd::slidesorter::SlideSorter& rSlideSorter,
+    sal_uInt16 nPageNumber)
+    : mxParent(rxParent),
+      mnPageNumber(nPageNumber),
+      mrSlideSorter(rSlideSorter),
+      mnClientId(0)
+{
+}
+
+AccessibleSlideSorterObject::~AccessibleSlideSorterObject()
+{
+    if ( ! IsDisposed())
+        dispose();
+}
+
+void AccessibleSlideSorterObject::FireAccessibleEvent (
+    short nEventId,
+    const uno::Any& rOldValue,
+    const uno::Any& rNewValue)
+{
+    if (mnClientId != 0)
+    {
+        AccessibleEventObject aEventObject;
+
+        aEventObject.Source = Reference<XWeak>(this);
+        aEventObject.EventId = nEventId;
+        aEventObject.NewValue = rNewValue;
+        aEventObject.OldValue = rOldValue;
+
+        comphelper::AccessibleEventNotifier::addEvent(mnClientId, aEventObject);
+    }
+}
+
+void AccessibleSlideSorterObject::disposing(std::unique_lock<std::mutex>&)
+{
+    // Send a disposing to all listeners.
+    if (mnClientId != 0)
+    {
+        comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing(mnClientId, *this);
+        mnClientId =  0;
+    }
+}
+
+//===== XAccessible ===========================================================
+
+Reference<XAccessibleContext> SAL_CALL
+    AccessibleSlideSorterObject::getAccessibleContext()
+{
+    ThrowIfDisposed();
+    return this;
+}
+
+//===== XAccessibleContext ====================================================
+
+sal_Int32 SAL_CALL AccessibleSlideSorterObject::getAccessibleChildCount()
+{
+    ThrowIfDisposed();
+    return 0;
+}
+
+Reference<XAccessible> SAL_CALL AccessibleSlideSorterObject::getAccessibleChild (sal_Int32 )
+{
+    ThrowIfDisposed();
+    throw lang::IndexOutOfBoundsException();
+}
+
+Reference<XAccessible> SAL_CALL AccessibleSlideSorterObject::getAccessibleParent()
+{
+    ThrowIfDisposed();
+    return mxParent;
+}
+
+sal_Int32 SAL_CALL AccessibleSlideSorterObject::getAccessibleIndexInParent()
+{
+    ThrowIfDisposed();
+    const SolarMutexGuard aSolarGuard;
+    sal_Int32 nIndexInParent(-1);
+
+    if (mxParent.is())
+    {
+        Reference<XAccessibleContext> xParentContext (mxParent->getAccessibleContext());
+        if (xParentContext.is())
+        {
+            sal_Int32 nChildCount (xParentContext->getAccessibleChildCount());
+            for (sal_Int32 i=0; i<nChildCount; ++i)
+                if (xParentContext->getAccessibleChild(i).get()
+                    == static_cast<XAccessible*>(this))
+                {
+                    nIndexInParent = i;
+                    break;
+                }
+        }
+    }
+
+    return nIndexInParent;
+}
+
+sal_Int16 SAL_CALL AccessibleSlideSorterObject::getAccessibleRole()
+{
+    ThrowIfDisposed();
+    return AccessibleRole::SHAPE;
+}
+
+OUString SAL_CALL AccessibleSlideSorterObject::getAccessibleDescription()
+{
+    ThrowIfDisposed();
+    return SdResId(STR_PAGE);
+}
+
+OUString SAL_CALL AccessibleSlideSorterObject::getAccessibleName()
+{
+    ThrowIfDisposed();
+    const SolarMutexGuard aSolarGuard;
+
+    SdPage* pPage = GetPage();
+    if (pPage != nullptr)
+        return pPage->GetName();
+    else
+        return OUString();
+}
+
+Reference<XAccessibleRelationSet> SAL_CALL
+    AccessibleSlideSorterObject::getAccessibleRelationSet()
+{
+    ThrowIfDisposed();
+    return Reference<XAccessibleRelationSet>();
+}
+
+Reference<XAccessibleStateSet> SAL_CALL
+    AccessibleSlideSorterObject::getAccessibleStateSet()
+{
+    ThrowIfDisposed();
+    const SolarMutexGuard aSolarGuard;
+    rtl::Reference<::utl::AccessibleStateSetHelper> pStateSet = new ::utl::AccessibleStateSetHelper();
+
+    if (mxParent.is())
+    {
+        // Unconditional states.
+        pStateSet->AddState(AccessibleStateType::SELECTABLE);
+        pStateSet->AddState(AccessibleStateType::FOCUSABLE);
+        pStateSet->AddState(AccessibleStateType::ENABLED);
+        pStateSet->AddState(AccessibleStateType::VISIBLE);
+        pStateSet->AddState(AccessibleStateType::SHOWING);
+        pStateSet->AddState(AccessibleStateType::ACTIVE);
+        pStateSet->AddState(AccessibleStateType::SENSITIVE);
+
+        // Conditional states.
+        if (mrSlideSorter.GetController().GetPageSelector().IsPageSelected(mnPageNumber))
+            pStateSet->AddState(AccessibleStateType::SELECTED);
+        if (mrSlideSorter.GetController().GetFocusManager().GetFocusedPageIndex() == mnPageNumber)
+            if (mrSlideSorter.GetController().GetFocusManager().IsFocusShowing())
+                pStateSet->AddState(AccessibleStateType::FOCUSED);
+    }
+
+    return pStateSet;
+}
+
+lang::Locale SAL_CALL AccessibleSlideSorterObject::getLocale()
+{
+    ThrowIfDisposed();
+    // Delegate request to parent.
+    if (mxParent.is())
+    {
+        Reference<XAccessibleContext> xParentContext (mxParent->getAccessibleContext());
+        if (xParentContext.is())
+            return xParentContext->getLocale ();
+    }
+
+    //  No locale and no parent.  Therefore throw exception to indicate this
+    //  cluelessness.
+    throw IllegalAccessibleComponentStateException();
+}
+
+//===== XAccessibleEventBroadcaster ===========================================
+
+void SAL_CALL AccessibleSlideSorterObject::addAccessibleEventListener(
+    const Reference<XAccessibleEventListener>& rxListener)
+{
+    if (!rxListener.is())
+        return;
+
+    const std::unique_lock aGuard(m_aMutex);
+
+    if (IsDisposed())
+    {
+        uno::Reference<uno::XInterface> x (static_cast<lang::XComponent *>(this), uno::UNO_QUERY);
+        rxListener->disposing (lang::EventObject (x));
+    }
+    else
+    {
+        if (mnClientId == 0)
+            mnClientId = comphelper::AccessibleEventNotifier::registerClient();
+        comphelper::AccessibleEventNotifier::addEventListener(mnClientId, rxListener);
+    }
+}
+
+void SAL_CALL AccessibleSlideSorterObject::removeAccessibleEventListener(
+    const Reference<XAccessibleEventListener>& rxListener)
+{
+    ThrowIfDisposed();
+    if (!(rxListener.is() && mnClientId))
+        return;
+
+    const std::unique_lock aGuard(m_aMutex);
+
+    sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, rxListener );
+    if ( !nListenerCount )
+    {
+        // no listeners anymore
+        // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
+        // and at least to us not firing any events anymore, in case somebody calls
+        // NotifyAccessibleEvent, again
+        comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
+        mnClientId = 0;
+    }
+}
+
+//===== XAccessibleComponent ==================================================
+
+sal_Bool SAL_CALL AccessibleSlideSorterObject::containsPoint(const awt::Point& aPoint)
+{
+    ThrowIfDisposed();
+    const awt::Size aSize (getSize());
+    return (aPoint.X >= 0)
+        && (aPoint.X < aSize.Width)
+        && (aPoint.Y >= 0)
+        && (aPoint.Y < aSize.Height);
+}
+
+Reference<XAccessible> SAL_CALL
+    AccessibleSlideSorterObject::getAccessibleAtPoint(const awt::Point& )
+{
+    return nullptr;
+}
+
+awt::Rectangle SAL_CALL AccessibleSlideSorterObject::getBounds()
+{
+    ThrowIfDisposed ();
+
+    const SolarMutexGuard aSolarGuard;
+
+    ::tools::Rectangle aBBox (
+        mrSlideSorter.GetView().GetLayouter().GetPageObjectLayouter()->GetBoundingBox(
+            mrSlideSorter.GetModel().GetPageDescriptor(mnPageNumber),
+            ::sd::slidesorter::view::PageObjectLayouter::Part::PageObject,
+            ::sd::slidesorter::view::PageObjectLayouter::WindowCoordinateSystem));
+
+    if (mxParent.is())
+    {
+        Reference<XAccessibleComponent> xParentComponent(mxParent->getAccessibleContext(), UNO_QUERY);
+        if (xParentComponent.is())
+        {
+            awt::Rectangle aParentBBox (xParentComponent->getBounds());
+            aBBox.Intersection(::tools::Rectangle(
+                aParentBBox.X,
+                aParentBBox.Y,
+                aParentBBox.Width,
+                aParentBBox.Height));
+        }
+    }
+
+    return awt::Rectangle(
+        aBBox.Left(),
+        aBBox.Top(),
+        aBBox.GetWidth(),
+        aBBox.GetHeight());
+}
+
+awt::Point SAL_CALL AccessibleSlideSorterObject::getLocation ()
+{
+    ThrowIfDisposed ();
+    const awt::Rectangle aBBox (getBounds());
+    return awt::Point(aBBox.X, aBBox.Y);
+}
+
+awt::Point SAL_CALL AccessibleSlideSorterObject::getLocationOnScreen()
+{
+    ThrowIfDisposed ();
+
+    const SolarMutexGuard aSolarGuard;
+
+    awt::Point aLocation (getLocation());
+
+    if (mxParent.is())
+    {
+        Reference<XAccessibleComponent> xParentComponent(mxParent->getAccessibleContext(),UNO_QUERY);
+        if (xParentComponent.is())
+        {
+            const awt::Point aParentLocationOnScreen(xParentComponent->getLocationOnScreen());
+            aLocation.X += aParentLocationOnScreen.X;
+            aLocation.Y += aParentLocationOnScreen.Y;
+        }
+    }
+
+    return aLocation;
+}
+
+awt::Size SAL_CALL AccessibleSlideSorterObject::getSize()
+{
+    ThrowIfDisposed ();
+    const awt::Rectangle aBBox (getBounds());
+    return awt::Size(aBBox.Width,aBBox.Height);
+}
+
+void SAL_CALL AccessibleSlideSorterObject::grabFocus()
+{
+    // nothing to do
+}
+
+sal_Int32 SAL_CALL AccessibleSlideSorterObject::getForeground()
+{
+    ThrowIfDisposed ();
+    svtools::ColorConfig aColorConfig;
+    Color nColor = aColorConfig.GetColorValue( svtools::FONTCOLOR ).nColor;
+    return static_cast<sal_Int32>(nColor);
+}
+
+sal_Int32 SAL_CALL AccessibleSlideSorterObject::getBackground()
+{
+    ThrowIfDisposed ();
+    Color nColor = Application::GetSettings().GetStyleSettings().GetWindowColor();
+    return sal_Int32(nColor);
+}
+
+// XServiceInfo
+OUString SAL_CALL
+       AccessibleSlideSorterObject::getImplementationName()
+{
+    return "AccessibleSlideSorterObject";
+}
+
+sal_Bool SAL_CALL AccessibleSlideSorterObject::supportsService (const OUString& sServiceName)
+{
+    return cppu::supportsService(this, sServiceName);
+}
+
+uno::Sequence< OUString> SAL_CALL
+       AccessibleSlideSorterObject::getSupportedServiceNames()
+{
+    ThrowIfDisposed ();
+
+    return uno::Sequence<OUString> {
+        OUString("com.sun.star.accessibility.Accessible"),
+        OUString("com.sun.star.accessibility.AccessibleContext")
+    };
+}
+
+void AccessibleSlideSorterObject::ThrowIfDisposed()
+{
+    if (m_bDisposed)
+    {
+        SAL_WARN("sd", "Calling disposed object. Throwing exception:");
+        throw lang::DisposedException ("object has been already disposed",
+            static_cast<uno::XWeak*>(this));
+    }
+}
+
+bool AccessibleSlideSorterObject::IsDisposed() const
+{
+    return m_bDisposed;
+}
+
+SdPage* AccessibleSlideSorterObject::GetPage() const
+{
+    ::sd::slidesorter::model::SharedPageDescriptor pDescriptor(
+        mrSlideSorter.GetModel().GetPageDescriptor(mnPageNumber));
+    if (pDescriptor)
+        return pDescriptor->GetPage();
+    else
+        return nullptr;
+}
+
+} // end of namespace ::accessibility
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */