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, 2015 insertions, 0 deletions

diff --git a/sdext/source/presenter/PresenterToolBar.cxx b/sdext/source/presenter/PresenterToolBar.cxx
new file mode 100644
index 000000000..75a4b7500
--- /dev/null
+++ b/sdext/source/presenter/PresenterToolBar.cxx
@@ -0,0 +1,2015 @@
+/* -*- 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 <vcl/settings.hxx>
+#include "PresenterToolBar.hxx"
+
+#include "PresenterBitmapContainer.hxx"
+#include "PresenterCanvasHelper.hxx"
+#include "PresenterGeometryHelper.hxx"
+#include "PresenterPaintManager.hxx"
+#include "PresenterTimer.hxx"
+#include "PresenterWindowManager.hxx"
+
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+#include <com/sun/star/drawing/framework/XControllerManager.hpp>
+#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
+#include <com/sun/star/drawing/framework/XPane.hpp>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/TextDirection.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <com/sun/star/rendering/XSpriteCanvas.hpp>
+#include <com/sun/star/util/Color.hpp>
+#include <rtl/ustrbuf.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::drawing::framework;
+
+namespace sdext::presenter {
+
+const sal_Int32 gnGapSize (20);
+
+namespace {
+
+    class Text
+    {
+    public:
+        Text();
+        Text (
+            const OUString& rsText,
+            const PresenterTheme::SharedFontDescriptor& rpFont);
+
+        void SetText (const OUString& rsText);
+        const OUString& GetText() const;
+        const PresenterTheme::SharedFontDescriptor& GetFont() const;
+
+        void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState,
+            const awt::Rectangle& rBoundingBox);
+
+        geometry::RealRectangle2D GetBoundingBox (
+            const Reference<rendering::XCanvas>& rxCanvas);
+
+    private:
+        OUString msText;
+        PresenterTheme::SharedFontDescriptor mpFont;
+    };
+
+    class ElementMode
+    {
+    public:
+        ElementMode();
+        ElementMode(const ElementMode&) = delete;
+        ElementMode& operator=(const ElementMode&) = delete;
+
+        SharedBitmapDescriptor mpIcon;
+        OUString msAction;
+        Text maText;
+
+        void ReadElementMode (
+            const Reference<beans::XPropertySet>& rxProperties,
+            const OUString& rsModeName,
+            std::shared_ptr<ElementMode> const & rpDefaultMode,
+            ::sdext::presenter::PresenterToolBar::Context const & rContext);
+    };
+    typedef std::shared_ptr<ElementMode> SharedElementMode;
+
+}  // end of anonymous namespace
+
+class PresenterToolBar::Context
+{
+public:
+    Context() = default;
+    Context(const Context&) = delete;
+    Context& operator=(const Context&) = delete;
+    Reference<drawing::XPresenterHelper> mxPresenterHelper;
+    css::uno::Reference<css::rendering::XCanvas> mxCanvas;
+};
+
+//===== PresenterToolBar::Element =============================================
+
+namespace {
+    typedef cppu::WeakComponentImplHelper<
+        css::document::XEventListener,
+        css::frame::XStatusListener
+        > ElementInterfaceBase;
+
+    class Element
+        : private ::cppu::BaseMutex,
+          public ElementInterfaceBase
+    {
+    public:
+        explicit Element (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        Element(const Element&) = delete;
+        Element& operator=(const Element&) = delete;
+
+        virtual void SAL_CALL disposing() override;
+
+        virtual void SetModes (
+            const SharedElementMode& rpNormalMode,
+            const SharedElementMode& rpMouseOverMode,
+            const SharedElementMode& rpSelectedMode,
+            const SharedElementMode& rpDisabledMode,
+            const SharedElementMode& rpMouseOverSelectedMode);
+        void CurrentSlideHasChanged();
+        void SetLocation (const awt::Point& rLocation);
+        void SetSize (const geometry::RealSize2D& rSize);
+        virtual void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState) = 0;
+        awt::Size const & GetBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas);
+        awt::Rectangle GetBoundingBox() const;
+        virtual bool SetState (const bool bIsOver, const bool bIsPressed);
+        void Invalidate (const bool bSynchronous);
+        bool IsOutside (const awt::Rectangle& rBox);
+        virtual bool IsFilling() const;
+        void UpdateState();
+
+        // lang::XEventListener
+
+        virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
+
+        // document::XEventListener
+
+        virtual void SAL_CALL notifyEvent (const css::document::EventObject& rEvent) override;
+
+        // frame::XStatusListener
+
+        virtual void SAL_CALL statusChanged (const css::frame::FeatureStateEvent& rEvent) override;
+
+    protected:
+        ::rtl::Reference<PresenterToolBar> mpToolBar;
+        awt::Point maLocation;
+        awt::Size maSize;
+        SharedElementMode mpNormal;
+        SharedElementMode mpMouseOver;
+        SharedElementMode mpSelected;
+        SharedElementMode mpDisabled;
+        SharedElementMode mpMouseOverSelected;
+        SharedElementMode mpMode;
+        bool mbIsOver;
+        bool mbIsPressed;
+        bool mbIsSelected;
+
+        virtual awt::Size CreateBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas) = 0;
+
+        bool IsEnabled() const { return mbIsEnabled;}
+    private:
+        bool mbIsEnabled;
+    };
+
+} // end of anonymous namespace
+
+class PresenterToolBar::ElementContainerPart
+    : public ::std::vector<rtl::Reference<Element> >
+{
+};
+
+//===== Button ================================================================
+
+namespace {
+
+    class Button : public Element
+    {
+    public:
+        static ::rtl::Reference<Element> Create (
+            const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+
+        virtual void SAL_CALL disposing() override;
+
+        virtual void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState) override;
+
+        // lang::XEventListener
+
+        virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
+
+    protected:
+        virtual awt::Size CreateBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas) override;
+
+    private:
+        bool mbIsListenerRegistered;
+
+        Button (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        void Initialize();
+        void PaintIcon (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const sal_Int32 nTextHeight,
+            const rendering::ViewState& rViewState);
+        PresenterBitmapDescriptor::Mode GetMode() const;
+    };
+
+//===== Label =================================================================
+
+    class Label : public Element
+    {
+    public:
+        explicit Label (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+
+        void SetText (const OUString& rsText);
+        virtual void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState) override;
+        virtual bool SetState (const bool bIsOver, const bool bIsPressed) override;
+
+    protected:
+        virtual awt::Size CreateBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas) override;
+    };
+
+// Some specialized controls.
+
+    class TimeFormatter
+    {
+    public:
+        static OUString FormatTime (const oslDateTime& rTime);
+    };
+
+    class TimeLabel : public Label
+    {
+    public:
+        void ConnectToTimer();
+        virtual void TimeHasChanged (const oslDateTime& rCurrentTime) = 0;
+    protected:
+        explicit TimeLabel(const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        using Element::disposing;
+        virtual void SAL_CALL disposing() override;
+    private:
+        class Listener : public PresenterClockTimer::Listener
+        {
+        public:
+            explicit Listener (const ::rtl::Reference<TimeLabel>& rxLabel)
+                : mxLabel(rxLabel) {}
+            virtual ~Listener() {}
+            virtual void TimeHasChanged (const oslDateTime& rCurrentTime) override
+            { if (mxLabel.is()) mxLabel->TimeHasChanged(rCurrentTime); }
+        private:
+            ::rtl::Reference<TimeLabel> mxLabel;
+        };
+        std::shared_ptr<PresenterClockTimer::Listener> mpListener;
+    };
+
+    class CurrentTimeLabel : public TimeLabel
+    {
+    public:
+        static ::rtl::Reference<Element> Create (
+            const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        virtual void SetModes (
+            const SharedElementMode& rpNormalMode,
+            const SharedElementMode& rpMouseOverMode,
+            const SharedElementMode& rpSelectedMode,
+            const SharedElementMode& rpDisabledMode,
+            const SharedElementMode& rpMouseOverSelectedMode) override;
+    private:
+        CurrentTimeLabel (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        virtual ~CurrentTimeLabel() override;
+        virtual void TimeHasChanged (const oslDateTime& rCurrentTime) override;
+    };
+
+    class PresentationTimeLabel : public TimeLabel, public IPresentationTime
+    {
+    public:
+        static ::rtl::Reference<Element> Create (
+            const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        virtual void SetModes (
+            const SharedElementMode& rpNormalMode,
+            const SharedElementMode& rpMouseOverMode,
+            const SharedElementMode& rpSelectedMode,
+            const SharedElementMode& rpDisabledMode,
+            const SharedElementMode& rpMouseOverSelectedMode) override;
+        virtual void restart() override;
+        virtual bool isPaused() override;
+        virtual void setPauseStatus(const bool pauseStatus) override;
+        const TimeValue& getPauseTimeValue() const;
+        void setPauseTimeValue(const TimeValue pauseTime);
+    private:
+        TimeValue maStartTimeValue;
+        TimeValue pauseTimeValue;
+        PresentationTimeLabel (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        bool paused;
+        virtual ~PresentationTimeLabel() override;
+        virtual void TimeHasChanged (const oslDateTime& rCurrentTime) override;
+    };
+
+    class VerticalSeparator : public Element
+    {
+    public:
+        explicit VerticalSeparator (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        virtual void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState) override;
+        virtual bool IsFilling() const override;
+
+    protected:
+        virtual awt::Size CreateBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas) override;
+    };
+
+    class HorizontalSeparator : public Element
+    {
+    public:
+        explicit HorizontalSeparator (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        virtual void Paint (
+            const Reference<rendering::XCanvas>& rxCanvas,
+            const rendering::ViewState& rViewState) override;
+        virtual bool IsFilling() const override;
+
+    protected:
+        virtual awt::Size CreateBoundingSize (
+            const Reference<rendering::XCanvas>& rxCanvas) override;
+    };
+} // end of anonymous namespace
+
+//===== PresenterToolBar ======================================================
+
+PresenterToolBar::PresenterToolBar (
+    const Reference<XComponentContext>& rxContext,
+    const css::uno::Reference<css::awt::XWindow>& rxWindow,
+    const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+    const ::rtl::Reference<PresenterController>& rpPresenterController,
+    const Anchor eAnchor)
+    : PresenterToolBarInterfaceBase(m_aMutex),
+      mxComponentContext(rxContext),
+      mxWindow(rxWindow),
+      mxCanvas(rxCanvas),
+      mpPresenterController(rpPresenterController),
+      mbIsLayoutPending(false),
+      meAnchor(eAnchor)
+{
+}
+
+void PresenterToolBar::Initialize (
+    const OUString& rsConfigurationPath)
+{
+    try
+    {
+        CreateControls(rsConfigurationPath);
+
+        if (mxWindow.is())
+        {
+            mxWindow->addWindowListener(this);
+            mxWindow->addPaintListener(this);
+            mxWindow->addMouseListener(this);
+            mxWindow->addMouseMotionListener(this);
+
+            Reference<awt::XWindowPeer> xPeer (mxWindow, UNO_QUERY);
+            if (xPeer.is())
+                xPeer->setBackground(util::Color(0xff000000));
+
+            mxWindow->setVisible(true);
+        }
+
+        mxSlideShowController = mpPresenterController->GetSlideShowController();
+        UpdateSlideNumber();
+        mbIsLayoutPending = true;
+    }
+    catch (RuntimeException&)
+    {
+        mpCurrentContainerPart.reset();
+        maElementContainer.clear();
+        throw;
+    }
+}
+
+PresenterToolBar::~PresenterToolBar()
+{
+}
+
+void SAL_CALL PresenterToolBar::disposing()
+{
+    if (mxWindow.is())
+    {
+        mxWindow->removeWindowListener(this);
+        mxWindow->removePaintListener(this);
+        mxWindow->removeMouseListener(this);
+        mxWindow->removeMouseMotionListener(this);
+        mxWindow = nullptr;
+    }
+
+    // Dispose tool bar elements.
+    for (const auto& rxPart : maElementContainer)
+    {
+        OSL_ASSERT(rxPart != nullptr);
+        for (const rtl::Reference<Element>& pElement : *rxPart)
+        {
+            if (pElement)
+            {
+                Reference<lang::XComponent> xComponent = pElement;
+                if (xComponent.is())
+                    xComponent->dispose();
+            }
+        }
+    }
+
+    mpCurrentContainerPart.reset();
+    maElementContainer.clear();
+}
+
+void PresenterToolBar::InvalidateArea (
+    const awt::Rectangle& rRepaintBox,
+    const bool bSynchronous)
+{
+    std::shared_ptr<PresenterPaintManager> xManager(mpPresenterController->GetPaintManager());
+    if (!xManager)
+        return;
+    xManager->Invalidate(
+        mxWindow,
+        rRepaintBox,
+        bSynchronous);
+}
+
+void PresenterToolBar::RequestLayout()
+{
+    mbIsLayoutPending = true;
+
+    std::shared_ptr<PresenterPaintManager> xManager(mpPresenterController->GetPaintManager());
+    if (!xManager)
+        return;
+
+    xManager->Invalidate(mxWindow);
+}
+
+geometry::RealSize2D const & PresenterToolBar::GetMinimalSize()
+{
+    if (mbIsLayoutPending)
+        Layout(mxCanvas);
+    return maMinimalSize;
+}
+
+const ::rtl::Reference<PresenterController>& PresenterToolBar::GetPresenterController() const
+{
+    return mpPresenterController;
+}
+
+const Reference<XComponentContext>& PresenterToolBar::GetComponentContext() const
+{
+    return mxComponentContext;
+}
+
+//-----  lang::XEventListener -------------------------------------------------
+
+void SAL_CALL PresenterToolBar::disposing (const lang::EventObject& rEventObject)
+{
+    if (rEventObject.Source == mxWindow)
+        mxWindow = nullptr;
+}
+
+//----- XWindowListener -------------------------------------------------------
+
+void SAL_CALL PresenterToolBar::windowResized (const awt::WindowEvent&)
+{
+    mbIsLayoutPending = true;
+}
+
+void SAL_CALL PresenterToolBar::windowMoved (const awt::WindowEvent&) {}
+
+void SAL_CALL PresenterToolBar::windowShown (const lang::EventObject&)
+{
+    mbIsLayoutPending = true;
+}
+
+void SAL_CALL PresenterToolBar::windowHidden (const lang::EventObject&) {}
+
+//----- XPaintListener --------------------------------------------------------
+void SAL_CALL PresenterToolBar::windowPaint (const css::awt::PaintEvent& rEvent)
+{
+    if ( ! mxCanvas.is())
+        return;
+
+    if ( ! mbIsPresenterViewActive)
+        return;
+
+    const rendering::ViewState aViewState (
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        PresenterGeometryHelper::CreatePolygon(rEvent.UpdateRect, mxCanvas->getDevice()));
+
+    if (mbIsLayoutPending)
+        Layout(mxCanvas);
+
+    Paint(rEvent.UpdateRect, aViewState);
+
+    // Make the back buffer visible.
+    Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY);
+    if (xSpriteCanvas.is())
+        xSpriteCanvas->updateScreen(false);
+}
+
+//----- XMouseListener --------------------------------------------------------
+void SAL_CALL PresenterToolBar::mousePressed (const css::awt::MouseEvent& rEvent)
+{
+        ThrowIfDisposed();
+        CheckMouseOver(rEvent, true, true);
+}
+
+void SAL_CALL PresenterToolBar::mouseReleased (const css::awt::MouseEvent& rEvent)
+{
+        ThrowIfDisposed();
+        CheckMouseOver(rEvent, true);
+}
+
+void SAL_CALL PresenterToolBar::mouseEntered (const css::awt::MouseEvent& rEvent)
+{
+        ThrowIfDisposed();
+        CheckMouseOver(rEvent, true);
+}
+
+void SAL_CALL PresenterToolBar::mouseExited (const css::awt::MouseEvent& rEvent)
+{
+        ThrowIfDisposed();
+        CheckMouseOver(rEvent, false);
+ }
+
+//----- XMouseMotionListener --------------------------------------------------
+
+void SAL_CALL PresenterToolBar::mouseMoved (const css::awt::MouseEvent& rEvent)
+{
+        ThrowIfDisposed();
+        CheckMouseOver(rEvent, true);
+ }
+
+void SAL_CALL PresenterToolBar::mouseDragged (const css::awt::MouseEvent&)
+{
+    ThrowIfDisposed();
+}
+
+//----- XDrawView -------------------------------------------------------------
+
+void SAL_CALL PresenterToolBar::setCurrentPage (const Reference<drawing::XDrawPage>& rxSlide)
+{
+    if (rxSlide != mxCurrentSlide)
+    {
+        mxCurrentSlide = rxSlide;
+        UpdateSlideNumber();
+    }
+}
+
+Reference<drawing::XDrawPage> SAL_CALL PresenterToolBar::getCurrentPage()
+{
+    return mxCurrentSlide;
+}
+
+
+void PresenterToolBar::CreateControls (
+    const OUString& rsConfigurationPath)
+{
+    if ( ! mxWindow.is())
+        return;
+
+    // Expand the macro in the bitmap file names.
+    PresenterConfigurationAccess aConfiguration (
+        mxComponentContext,
+        "/org.openoffice.Office.PresenterScreen/",
+        PresenterConfigurationAccess::READ_ONLY);
+
+    mpCurrentContainerPart = std::make_shared<ElementContainerPart>();
+    maElementContainer.clear();
+    maElementContainer.push_back(mpCurrentContainerPart);
+
+    Reference<container::XHierarchicalNameAccess> xToolBarNode (
+        aConfiguration.GetConfigurationNode(rsConfigurationPath),
+        UNO_QUERY);
+    if (!xToolBarNode.is())
+        return;
+
+    Reference<container::XNameAccess> xEntries (
+        PresenterConfigurationAccess::GetConfigurationNode(xToolBarNode, "Entries"),
+        UNO_QUERY);
+    Context aContext;
+    aContext.mxPresenterHelper = mpPresenterController->GetPresenterHelper();
+    aContext.mxCanvas = mxCanvas;
+    if (xEntries.is()
+        && aContext.mxPresenterHelper.is()
+        && aContext.mxCanvas.is())
+    {
+        PresenterConfigurationAccess::ForAll(
+            xEntries,
+            [this, &aContext] (OUString const&, uno::Reference<beans::XPropertySet> const& xProps)
+            {
+                return this->ProcessEntry(xProps, aContext);
+            });
+    }
+}
+
+void PresenterToolBar::ProcessEntry (
+    const Reference<beans::XPropertySet>& rxProperties,
+    Context const & rContext)
+{
+    if ( ! rxProperties.is())
+        return;
+
+    // Type has to be present.
+    OUString sType;
+    if ( ! (PresenterConfigurationAccess::GetProperty(rxProperties, "Type") >>= sType))
+        return;
+
+    // Read mode specific values.
+    SharedElementMode pNormalMode  = std::make_shared<ElementMode>();
+    SharedElementMode pMouseOverMode = std::make_shared<ElementMode>();
+    SharedElementMode pSelectedMode = std::make_shared<ElementMode>();
+    SharedElementMode pDisabledMode = std::make_shared<ElementMode>();
+    SharedElementMode pMouseOverSelectedMode = std::make_shared<ElementMode>();
+    pNormalMode->ReadElementMode(rxProperties, "Normal", pNormalMode, rContext);
+    pMouseOverMode->ReadElementMode(rxProperties, "MouseOver", pNormalMode, rContext);
+    pSelectedMode->ReadElementMode(rxProperties, "Selected", pNormalMode, rContext);
+    pDisabledMode->ReadElementMode(rxProperties, "Disabled", pNormalMode, rContext);
+    pMouseOverSelectedMode->ReadElementMode(rxProperties, "MouseOverSelected", pSelectedMode, rContext);
+
+    // Create new element.
+    ::rtl::Reference<Element> pElement;
+    if ( sType == "Button" )
+        pElement = Button::Create(this);
+    else if ( sType == "CurrentTimeLabel" )
+        pElement = CurrentTimeLabel::Create(this);
+    else if ( sType == "PresentationTimeLabel" )
+        pElement = PresentationTimeLabel::Create(this);
+    else if ( sType == "VerticalSeparator" )
+        pElement.set(new VerticalSeparator(this));
+    else if ( sType == "HorizontalSeparator" )
+        pElement.set(new HorizontalSeparator(this));
+    else if ( sType == "Label" )
+        pElement.set(new Label(this));
+    else if ( sType == "ChangeOrientation" )
+    {
+        mpCurrentContainerPart = std::make_shared<ElementContainerPart>();
+        maElementContainer.push_back(mpCurrentContainerPart);
+        return;
+    }
+    if (pElement.is())
+    {
+        pElement->SetModes( pNormalMode, pMouseOverMode, pSelectedMode, pDisabledMode, pMouseOverSelectedMode);
+        pElement->UpdateState();
+        if (mpCurrentContainerPart)
+            mpCurrentContainerPart->push_back(pElement);
+    }
+}
+
+void PresenterToolBar::Layout (
+    const Reference<rendering::XCanvas>& rxCanvas)
+{
+    if (maElementContainer.empty())
+        return;
+
+    mbIsLayoutPending = false;
+
+    const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+    ::std::vector<geometry::RealSize2D> aPartSizes (maElementContainer.size());
+    geometry::RealSize2D aTotalSize (0,0);
+    bool bIsHorizontal (true);
+    sal_Int32 nIndex (0);
+    double nTotalHorizontalGap (0);
+    sal_Int32 nGapCount (0);
+    for (const auto& rxPart : maElementContainer)
+    {
+        geometry::RealSize2D aSize (CalculatePartSize(rxCanvas, rxPart, bIsHorizontal));
+
+        // Remember the size of each part for later.
+        aPartSizes[nIndex] = aSize;
+
+        // Add gaps between elements.
+        if (rxPart->size()>1 && bIsHorizontal)
+        {
+            nTotalHorizontalGap += (rxPart->size() - 1) * gnGapSize;
+            nGapCount += rxPart->size() - 1;
+        }
+
+        // Orientation changes for each part.
+        bIsHorizontal = !bIsHorizontal;
+        // Width is accumulated.
+        aTotalSize.Width += aSize.Width;
+        // Height is the maximum height of all parts.
+        aTotalSize.Height = ::std::max(aTotalSize.Height, aSize.Height);
+        ++nIndex;
+    }
+    // Add gaps between parts.
+    if (maElementContainer.size() > 1)
+    {
+        nTotalHorizontalGap += (maElementContainer.size() - 1) * gnGapSize;
+        nGapCount += maElementContainer.size()-1;
+    }
+
+    // Done to introduce gap between the end of the toolbar and the last button
+    aTotalSize.Width += gnGapSize/2;
+
+    // Calculate the minimal size so that the window size of the tool bar
+    // can be adapted accordingly.
+    maMinimalSize = aTotalSize;
+    maMinimalSize.Width += nTotalHorizontalGap;
+
+    // Calculate the gaps between elements.
+    double nGapWidth (0);
+    if (nGapCount > 0)
+    {
+        if (aTotalSize.Width + nTotalHorizontalGap > aWindowBox.Width)
+            nTotalHorizontalGap = aWindowBox.Width - aTotalSize.Width;
+        nGapWidth = nTotalHorizontalGap / nGapCount;
+    }
+
+    // Determine the location of the left edge.
+    double nX (0);
+    switch (meAnchor)
+    {
+        case Left : nX = 0; break;
+        case Center: nX = (aWindowBox.Width - aTotalSize.Width - nTotalHorizontalGap) / 2; break;
+    }
+
+    // Place the parts.
+    double nY ((aWindowBox.Height - aTotalSize.Height) / 2);
+    bIsHorizontal = true;
+
+    /* push front or back ? ... */
+    /// check whether RTL interface or not
+    if(!AllSettings::GetLayoutRTL()){
+        nIndex = 0;
+        for (const auto& rxPart : maElementContainer)
+        {
+            geometry::RealRectangle2D aBoundingBox(
+                nX, nY,
+                nX+aPartSizes[nIndex].Width, nY+aTotalSize.Height);
+
+            // Add space for gaps between elements.
+            if (rxPart->size() > 1 && bIsHorizontal)
+                aBoundingBox.X2 += (rxPart->size() - 1) * nGapWidth;
+
+            LayoutPart(rxCanvas, rxPart, aBoundingBox, aPartSizes[nIndex], bIsHorizontal);
+            bIsHorizontal = !bIsHorizontal;
+            nX += aBoundingBox.X2 - aBoundingBox.X1 + nGapWidth;
+            ++nIndex;
+        }
+    }
+    else {
+        ElementContainer::iterator iPart;
+        ElementContainer::iterator iBegin (maElementContainer.begin());
+        for (iPart=maElementContainer.end()-1, nIndex=2; iPart!=iBegin-1; --iPart, --nIndex)
+        {
+            geometry::RealRectangle2D aBoundingBox(
+                nX, nY,
+                nX+aPartSizes[nIndex].Width, nY+aTotalSize.Height);
+
+            // Add space for gaps between elements.
+            if ((*iPart)->size() > 1)
+                if (bIsHorizontal)
+                    aBoundingBox.X2 += ((*iPart)->size()-1) * nGapWidth;
+
+            LayoutPart(rxCanvas, *iPart, aBoundingBox, aPartSizes[nIndex], bIsHorizontal);
+            bIsHorizontal = !bIsHorizontal;
+            nX += aBoundingBox.X2 - aBoundingBox.X1 + nGapWidth;
+        }
+    }
+
+    // The whole window has to be repainted.
+    std::shared_ptr<PresenterPaintManager> xManager(mpPresenterController->GetPaintManager());
+    if (!xManager)
+        return;
+    xManager->Invalidate(mxWindow);
+}
+
+geometry::RealSize2D PresenterToolBar::CalculatePartSize (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const SharedElementContainerPart& rpPart,
+    const bool bIsHorizontal)
+{
+    geometry::RealSize2D aTotalSize (0,0);
+
+    if (mxWindow.is())
+    {
+        // Calculate the summed width of all elements.
+        for (const auto& rxElement : *rpPart)
+        {
+            if (!rxElement)
+                continue;
+
+            const awt::Size aBSize (rxElement->GetBoundingSize(rxCanvas));
+            if (bIsHorizontal)
+            {
+                aTotalSize.Width += aBSize.Width;
+                if (aBSize.Height > aTotalSize.Height)
+                    aTotalSize.Height = aBSize.Height;
+            }
+            else
+            {
+                aTotalSize.Height += aBSize.Height;
+                if (aBSize.Width > aTotalSize.Width)
+                    aTotalSize.Width = aBSize.Width;
+            }
+        }
+    }
+    return aTotalSize;
+}
+
+void PresenterToolBar::LayoutPart (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const SharedElementContainerPart& rpPart,
+    const geometry::RealRectangle2D& rBoundingBox,
+    const geometry::RealSize2D& rPartSize,
+    const bool bIsHorizontal)
+{
+    double nGap (0);
+    if (rpPart->size() > 1)
+    {
+        if (bIsHorizontal)
+            nGap = (rBoundingBox.X2 - rBoundingBox.X1 - rPartSize.Width) / (rpPart->size()-1);
+        else
+            nGap = (rBoundingBox.Y2 - rBoundingBox.Y1 - rPartSize.Height) / (rpPart->size()-1);
+    }
+
+    // Place the elements.
+    double nX (rBoundingBox.X1);
+    double nY (rBoundingBox.Y1);
+
+    /// check whether RTL interface or not
+    if(!AllSettings::GetLayoutRTL()){
+        for (auto& rxElement : *rpPart)
+        {
+            if (!rxElement)
+                continue;
+
+            const awt::Size aElementSize (rxElement->GetBoundingSize(rxCanvas));
+            if (bIsHorizontal)
+            {
+                if (rxElement->IsFilling())
+                {
+                    nY = rBoundingBox.Y1;
+                    rxElement->SetSize(geometry::RealSize2D(aElementSize.Width, rBoundingBox.Y2 - rBoundingBox.Y1));
+                }
+                else
+                    nY = rBoundingBox.Y1 + (rBoundingBox.Y2-rBoundingBox.Y1 - aElementSize.Height) / 2;
+                rxElement->SetLocation(awt::Point(sal_Int32(0.5 + nX), sal_Int32(0.5 + nY)));
+                nX += aElementSize.Width + nGap;
+            }
+            else
+            {
+                if (rxElement->IsFilling())
+                {
+                    nX = rBoundingBox.X1;
+                    rxElement->SetSize(geometry::RealSize2D(rBoundingBox.X2 - rBoundingBox.X1, aElementSize.Height));
+                }
+                else
+                    nX = rBoundingBox.X1 + (rBoundingBox.X2-rBoundingBox.X1 - aElementSize.Width) / 2;
+                rxElement->SetLocation(awt::Point(sal_Int32(0.5 + nX), sal_Int32(0.5 + nY)));
+                nY += aElementSize.Height + nGap;
+            }
+        }
+    }
+    else {
+        ElementContainerPart::const_iterator iElement;
+        ElementContainerPart::const_iterator iBegin (rpPart->begin());
+
+        for (iElement=rpPart->end()-1; iElement!=iBegin-1; --iElement)
+        {
+            if (iElement->get() == nullptr)
+                continue;
+
+            const awt::Size aElementSize ((*iElement)->GetBoundingSize(rxCanvas));
+            if (bIsHorizontal)
+            {
+                if ((*iElement)->IsFilling())
+                {
+                    nY = rBoundingBox.Y1;
+                    (*iElement)->SetSize(geometry::RealSize2D(aElementSize.Width, rBoundingBox.Y2 - rBoundingBox.Y1));
+                }
+                else
+                    nY = rBoundingBox.Y1 + (rBoundingBox.Y2-rBoundingBox.Y1 - aElementSize.Height) / 2;
+                (*iElement)->SetLocation(awt::Point(sal_Int32(0.5 + nX), sal_Int32(0.5 + nY)));
+                nX += aElementSize.Width + nGap;
+            }
+            else
+            {
+                // reverse presentation time with current time
+                if (iElement==iBegin){
+                    iElement=iBegin+2;
+                }
+                else if (iElement==iBegin+2){
+                    iElement=iBegin;
+                }
+                const awt::Size aNewElementSize ((*iElement)->GetBoundingSize(rxCanvas));
+                if ((*iElement)->IsFilling())
+                {
+                    nX = rBoundingBox.X1;
+                    (*iElement)->SetSize(geometry::RealSize2D(rBoundingBox.X2 - rBoundingBox.X1, aNewElementSize.Height));
+                }
+                else
+                    nX = rBoundingBox.X1 + (rBoundingBox.X2-rBoundingBox.X1 - aNewElementSize.Width) / 2;
+                (*iElement)->SetLocation(awt::Point(sal_Int32(0.5 + nX), sal_Int32(0.5 + nY)));
+                nY += aNewElementSize.Height + nGap;
+
+                // return the index as it was before the reversing
+                if (iElement==iBegin)
+                    iElement=iBegin+2;
+                else if (iElement==iBegin+2)
+                    iElement=iBegin;
+            }
+        }
+    }
+}
+
+void PresenterToolBar::Paint (
+    const awt::Rectangle& rUpdateBox,
+    const rendering::ViewState& rViewState)
+{
+    OSL_ASSERT(mxCanvas.is());
+
+    for (const auto& rxPart : maElementContainer)
+    {
+        for (auto& rxElement : *rxPart)
+        {
+            if (rxElement)
+            {
+                if ( ! rxElement->IsOutside(rUpdateBox))
+                    rxElement->Paint(mxCanvas, rViewState);
+            }
+        }
+    }
+}
+
+void PresenterToolBar::UpdateSlideNumber()
+{
+    if( mxSlideShowController.is() )
+    {
+        for (const auto& rxPart : maElementContainer)
+        {
+            for (auto& rxElement : *rxPart)
+            {
+                if (rxElement)
+                    rxElement->CurrentSlideHasChanged();
+            }
+        }
+    }
+}
+
+void PresenterToolBar::CheckMouseOver (
+    const css::awt::MouseEvent& rEvent,
+    const bool bOverWindow,
+    const bool bMouseDown)
+{
+    css::awt::MouseEvent rTemp =rEvent;
+    if(AllSettings::GetLayoutRTL()){
+        awt::Rectangle aWindowBox = mxWindow->getPosSize();
+        rTemp.X=aWindowBox.Width-rTemp.X;
+    }
+    for (const auto& rxPart : maElementContainer)
+    {
+        for (auto& rxElement : *rxPart)
+        {
+            if (!rxElement)
+                continue;
+
+            awt::Rectangle aBox (rxElement->GetBoundingBox());
+            const bool bIsOver = bOverWindow
+                && aBox.X <= rTemp.X
+                && aBox.Width+aBox.X-1 >= rTemp.X
+                && aBox.Y <= rTemp.Y
+                && aBox.Height+aBox.Y-1 >= rTemp.Y;
+            rxElement->SetState(
+                bIsOver,
+                bIsOver && rTemp.Buttons!=0 && bMouseDown && rTemp.ClickCount>0);
+        }
+    }
+}
+
+void PresenterToolBar::ThrowIfDisposed() const
+{
+    if (rBHelper.bDisposed || rBHelper.bInDispose)
+    {
+        throw lang::DisposedException (
+            "PresenterToolBar has already been disposed",
+            const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
+    }
+}
+
+//===== PresenterToolBarView ==================================================
+
+PresenterToolBarView::PresenterToolBarView (
+    const Reference<XComponentContext>& rxContext,
+    const Reference<XResourceId>& rxViewId,
+    const Reference<frame::XController>& rxController,
+    const ::rtl::Reference<PresenterController>& rpPresenterController)
+    : PresenterToolBarViewInterfaceBase(m_aMutex),
+      mxViewId(rxViewId),
+      mpPresenterController(rpPresenterController)
+{
+    try
+    {
+        Reference<XControllerManager> xCM (rxController, UNO_QUERY_THROW);
+        Reference<XConfigurationController> xCC(xCM->getConfigurationController(),UNO_SET_THROW);
+        mxPane.set(xCC->getResource(rxViewId->getAnchor()), UNO_QUERY_THROW);
+
+        mxWindow = mxPane->getWindow();
+        mxCanvas = mxPane->getCanvas();
+
+        mpToolBar = new PresenterToolBar(
+            rxContext,
+            mxWindow,
+            mxCanvas,
+            rpPresenterController,
+            PresenterToolBar::Center);
+        mpToolBar->Initialize("PresenterScreenSettings/ToolBars/ToolBar");
+
+        if (mxWindow.is())
+        {
+            mxWindow->addPaintListener(this);
+
+            Reference<awt::XWindowPeer> xPeer (mxWindow, UNO_QUERY);
+            if (xPeer.is())
+                xPeer->setBackground(util::Color(0xff000000));
+
+            mxWindow->setVisible(true);
+        }
+    }
+    catch (RuntimeException&)
+    {
+        mxViewId = nullptr;
+        throw;
+    }
+}
+
+PresenterToolBarView::~PresenterToolBarView()
+{
+}
+
+void SAL_CALL PresenterToolBarView::disposing()
+{
+    Reference<lang::XComponent> xComponent = mpToolBar;
+    mpToolBar = nullptr;
+    if (xComponent.is())
+        xComponent->dispose();
+
+    if (mxWindow.is())
+    {
+        mxWindow->removePaintListener(this);
+        mxWindow = nullptr;
+    }
+    mxCanvas = nullptr;
+    mxViewId = nullptr;
+    mxPane = nullptr;
+    mpPresenterController = nullptr;
+}
+
+const ::rtl::Reference<PresenterToolBar>& PresenterToolBarView::GetPresenterToolBar() const
+{
+    return mpToolBar;
+}
+
+//----- XPaintListener --------------------------------------------------------
+
+void SAL_CALL PresenterToolBarView::windowPaint (const css::awt::PaintEvent& rEvent)
+{
+    awt::Rectangle aWindowBox (mxWindow->getPosSize());
+    mpPresenterController->GetCanvasHelper()->Paint(
+        mpPresenterController->GetViewBackground(mxViewId->getResourceURL()),
+        mxCanvas,
+        rEvent.UpdateRect,
+        awt::Rectangle(0,0,aWindowBox.Width, aWindowBox.Height),
+        awt::Rectangle());
+}
+
+//-----  lang::XEventListener -------------------------------------------------
+
+void SAL_CALL PresenterToolBarView::disposing (const lang::EventObject& rEventObject)
+{
+    if (rEventObject.Source == mxWindow)
+        mxWindow = nullptr;
+}
+
+//----- XResourceId -----------------------------------------------------------
+
+Reference<XResourceId> SAL_CALL PresenterToolBarView::getResourceId()
+{
+    return mxViewId;
+}
+
+sal_Bool SAL_CALL PresenterToolBarView::isAnchorOnly()
+{
+    return false;
+}
+
+//----- XDrawView -------------------------------------------------------------
+
+void SAL_CALL PresenterToolBarView::setCurrentPage (const Reference<drawing::XDrawPage>& rxSlide)
+{
+    Reference<drawing::XDrawView> xToolBar = mpToolBar;
+    if (xToolBar.is())
+        xToolBar->setCurrentPage(rxSlide);
+}
+
+Reference<drawing::XDrawPage> SAL_CALL PresenterToolBarView::getCurrentPage()
+{
+    return nullptr;
+}
+
+//===== PresenterToolBar::Element =============================================
+
+namespace {
+
+Element::Element (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : ElementInterfaceBase(m_aMutex),
+      mpToolBar(rpToolBar),
+      mbIsOver(false),
+      mbIsPressed(false),
+      mbIsSelected(false),
+      mbIsEnabled(true)
+{
+    if (mpToolBar)
+    {
+        OSL_ASSERT(mpToolBar->GetPresenterController().is());
+        OSL_ASSERT(mpToolBar->GetPresenterController()->GetWindowManager().is());
+    }
+}
+
+void Element::SetModes (
+    const SharedElementMode& rpNormalMode,
+    const SharedElementMode& rpMouseOverMode,
+    const SharedElementMode& rpSelectedMode,
+    const SharedElementMode& rpDisabledMode,
+    const SharedElementMode& rpMouseOverSelectedMode)
+{
+    mpNormal = rpNormalMode;
+    mpMouseOver = rpMouseOverMode;
+    mpSelected = rpSelectedMode;
+    mpDisabled = rpDisabledMode;
+    mpMouseOverSelected = rpMouseOverSelectedMode;
+    mpMode = rpNormalMode;
+}
+
+void Element::disposing()
+{
+}
+
+awt::Size const & Element::GetBoundingSize (
+    const Reference<rendering::XCanvas>& rxCanvas)
+{
+    maSize = CreateBoundingSize(rxCanvas);
+    return maSize;
+}
+
+awt::Rectangle Element::GetBoundingBox() const
+{
+    return awt::Rectangle(maLocation.X,maLocation.Y, maSize.Width, maSize.Height);
+}
+
+void Element::CurrentSlideHasChanged()
+{
+    UpdateState();
+}
+
+void Element::SetLocation (const awt::Point& rLocation)
+{
+    maLocation = rLocation;
+}
+
+void Element::SetSize (const geometry::RealSize2D& rSize)
+{
+    maSize = awt::Size(sal_Int32(0.5+rSize.Width), sal_Int32(0.5+rSize.Height));
+}
+
+bool Element::SetState (
+    const bool bIsOver,
+    const bool bIsPressed)
+{
+    bool bModified (mbIsOver != bIsOver || mbIsPressed != bIsPressed);
+    bool bClicked (mbIsPressed && bIsOver && ! bIsPressed);
+
+    mbIsOver = bIsOver;
+    mbIsPressed = bIsPressed;
+
+    // When the element is disabled then ignore mouse over or selection.
+    // When the element is selected then ignore mouse over.
+    if ( ! mbIsEnabled)
+        mpMode = mpDisabled;
+    else if (mbIsSelected && mbIsOver)
+        mpMode = mpMouseOverSelected;
+    else if (mbIsSelected)
+        mpMode = mpSelected;
+    else if (mbIsOver)
+        mpMode = mpMouseOver;
+    else
+        mpMode = mpNormal;
+
+    if (bClicked && mbIsEnabled)
+    {
+        if (mpMode)
+        {
+            do
+            {
+                if (mpMode->msAction.isEmpty())
+                    break;
+
+                if (!mpToolBar)
+                    break;
+
+                if (!mpToolBar->GetPresenterController())
+                    break;
+
+                mpToolBar->GetPresenterController()->DispatchUnoCommand(mpMode->msAction);
+                mpToolBar->RequestLayout();
+            }
+            while (false);
+        }
+
+    }
+    else if (bModified)
+    {
+        Invalidate(true);
+    }
+
+    return bModified;
+}
+
+void Element::Invalidate (const bool bSynchronous)
+{
+    OSL_ASSERT(mpToolBar.is());
+    mpToolBar->InvalidateArea(GetBoundingBox(), bSynchronous);
+}
+
+bool Element::IsOutside (const awt::Rectangle& rBox)
+{
+    if (rBox.X >= maLocation.X+maSize.Width)
+        return true;
+    else if (rBox.Y >= maLocation.Y+maSize.Height)
+        return true;
+    else if (maLocation.X >= rBox.X+rBox.Width)
+        return true;
+    else if (maLocation.Y >= rBox.Y+rBox.Height)
+        return true;
+    else
+        return false;
+}
+
+
+bool Element::IsFilling() const
+{
+    return false;
+}
+
+void Element::UpdateState()
+{
+    OSL_ASSERT(mpToolBar);
+    OSL_ASSERT(mpToolBar->GetPresenterController());
+
+    if (!mpMode)
+        return;
+
+    util::URL aURL (mpToolBar->GetPresenterController()->CreateURLFromString(mpMode->msAction));
+    Reference<frame::XDispatch> xDispatch (mpToolBar->GetPresenterController()->GetDispatch(aURL));
+    if (xDispatch.is())
+    {
+        xDispatch->addStatusListener(this, aURL);
+        xDispatch->removeStatusListener(this, aURL);
+    }
+}
+
+//----- lang::XEventListener --------------------------------------------------
+
+void SAL_CALL Element::disposing (const css::lang::EventObject&) {}
+
+//----- document::XEventListener ----------------------------------------------
+
+void SAL_CALL Element::notifyEvent (const css::document::EventObject&)
+{
+    UpdateState();
+}
+
+//----- frame::XStatusListener ------------------------------------------------
+
+void SAL_CALL Element::statusChanged (const css::frame::FeatureStateEvent& rEvent)
+{
+    bool bIsSelected (mbIsSelected);
+    bool bIsEnabled (rEvent.IsEnabled);
+    rEvent.State >>= bIsSelected;
+
+    if (bIsSelected != mbIsSelected || bIsEnabled != mbIsEnabled)
+    {
+        mbIsEnabled = bIsEnabled;
+        mbIsSelected = bIsSelected;
+        SetState(mbIsOver, mbIsPressed);
+        mpToolBar->RequestLayout();
+    }
+}
+
+} // end of anonymous namespace
+
+//===== ElementMode ===========================================================
+
+namespace {
+
+ElementMode::ElementMode()
+{
+}
+
+void ElementMode::ReadElementMode (
+    const Reference<beans::XPropertySet>& rxElementProperties,
+    const OUString& rsModeName,
+    std::shared_ptr<ElementMode> const & rpDefaultMode,
+    ::sdext::presenter::PresenterToolBar::Context const & rContext)
+{
+    try
+    {
+    Reference<container::XHierarchicalNameAccess> xNode (
+        PresenterConfigurationAccess::GetProperty(rxElementProperties, rsModeName),
+        UNO_QUERY);
+    Reference<beans::XPropertySet> xProperties (
+        PresenterConfigurationAccess::GetNodeProperties(xNode, OUString()));
+    if (!xProperties.is() && rpDefaultMode != nullptr)
+    {
+        // The mode is not specified.  Use the given, possibly empty,
+        // default mode instead.
+        mpIcon = rpDefaultMode->mpIcon;
+        msAction = rpDefaultMode->msAction;
+        maText = rpDefaultMode->maText;
+    }
+
+    // Read action.
+    if ( ! (PresenterConfigurationAccess::GetProperty(xProperties, "Action") >>= msAction))
+        if (rpDefaultMode != nullptr)
+            msAction = rpDefaultMode->msAction;
+
+    // Read text and font
+    OUString sText(rpDefaultMode != nullptr ? rpDefaultMode->maText.GetText() : OUString());
+    PresenterConfigurationAccess::GetProperty(xProperties, "Text") >>= sText;
+    Reference<container::XHierarchicalNameAccess> xFontNode (
+        PresenterConfigurationAccess::GetProperty(xProperties, "Font"), UNO_QUERY);
+    PresenterTheme::SharedFontDescriptor pFont(PresenterTheme::ReadFont(
+        xFontNode, rpDefaultMode != nullptr ? rpDefaultMode->maText.GetFont()
+                                            : PresenterTheme::SharedFontDescriptor()));
+    maText = Text(sText,pFont);
+
+    // Read bitmaps to display as icons.
+    Reference<container::XHierarchicalNameAccess> xIconNode (
+        PresenterConfigurationAccess::GetProperty(xProperties, "Icon"), UNO_QUERY);
+    mpIcon = PresenterBitmapContainer::LoadBitmap(
+        xIconNode, "", rContext.mxPresenterHelper, rContext.mxCanvas,
+        rpDefaultMode != nullptr ? rpDefaultMode->mpIcon : SharedBitmapDescriptor());
+    }
+    catch(Exception&)
+    {
+        OSL_ASSERT(false);
+    }
+}
+
+} // end of anonymous namespace
+
+//===== Button ================================================================
+
+namespace {
+
+::rtl::Reference<Element> Button::Create (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+{
+    ::rtl::Reference<Button> pElement (new Button(rpToolBar));
+    pElement->Initialize();
+    return pElement;
+}
+
+Button::Button (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : Element(rpToolBar),
+      mbIsListenerRegistered(false)
+{
+    OSL_ASSERT(mpToolBar);
+    OSL_ASSERT(mpToolBar->GetPresenterController().is());
+    OSL_ASSERT(mpToolBar->GetPresenterController()->GetWindowManager().is());
+}
+
+void Button::Initialize()
+{
+    mpToolBar->GetPresenterController()->GetWindowManager()->AddLayoutListener(this);
+    mbIsListenerRegistered = true;
+}
+
+void Button::disposing()
+{
+    OSL_ASSERT(mpToolBar);
+    if (mpToolBar && mbIsListenerRegistered)
+    {
+        OSL_ASSERT(mpToolBar->GetPresenterController().is());
+        OSL_ASSERT(mpToolBar->GetPresenterController()->GetWindowManager().is());
+
+        mbIsListenerRegistered = false;
+        mpToolBar->GetPresenterController()->GetWindowManager()->RemoveLayoutListener(this);
+    }
+    Element::disposing();
+}
+
+void Button::Paint (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const rendering::ViewState& rViewState)
+{
+    OSL_ASSERT(rxCanvas.is());
+
+    if (!mpMode)
+        return;
+
+    if (!mpMode->mpIcon)
+        return;
+
+    geometry::RealRectangle2D aTextBBox (mpMode->maText.GetBoundingBox(rxCanvas));
+    sal_Int32 nTextHeight (sal::static_int_cast<sal_Int32>(0.5 + aTextBBox.Y2 - aTextBBox.Y1));
+
+    PaintIcon(rxCanvas, nTextHeight, rViewState);
+    mpMode->maText.Paint(rxCanvas, rViewState, GetBoundingBox());
+}
+
+awt::Size Button::CreateBoundingSize (
+    const Reference<rendering::XCanvas>& rxCanvas)
+{
+    if (!mpMode)
+        return awt::Size();
+
+    geometry::RealRectangle2D aTextBBox (mpMode->maText.GetBoundingBox(rxCanvas));
+
+    // tdf#128964 This ensures that if the text of a button changes due to a change in
+    // the state of the button the other buttons of the toolbar do not move. The button is
+    // allotted the maximum size so that it doesn't resize during a change of state.
+    geometry::RealRectangle2D aTextBBoxNormal (mpNormal->maText.GetBoundingBox(rxCanvas));
+    geometry::RealRectangle2D aTextBBoxMouseOver (mpMouseOver->maText.GetBoundingBox(rxCanvas));
+    geometry::RealRectangle2D aTextBBoxSelected (mpSelected->maText.GetBoundingBox(rxCanvas));
+    geometry::RealRectangle2D aTextBBoxDisabled (mpDisabled->maText.GetBoundingBox(rxCanvas));
+    geometry::RealRectangle2D aTextBBoxMouseOverSelected (mpMouseOverSelected->maText.GetBoundingBox(rxCanvas));
+    std::vector<sal_Int32> widths
+    {
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBoxNormal.X2 - aTextBBoxNormal.X1),
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBoxMouseOver.X2 - aTextBBoxMouseOver.X1),
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBoxSelected.X2 - aTextBBoxSelected.X1),
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBoxDisabled.X2 - aTextBBoxDisabled.X1),
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBoxMouseOverSelected.X2 - aTextBBoxMouseOverSelected.X1)
+    };
+
+    sal_Int32 nTextHeight (sal::static_int_cast<sal_Int32>(0.5 + aTextBBox.Y2 - aTextBBox.Y1));
+    Reference<rendering::XBitmap> xBitmap;
+    if (mpMode->mpIcon)
+        xBitmap = mpMode->mpIcon->GetNormalBitmap();
+    if (xBitmap.is())
+    {
+        const sal_Int32 nGap (5);
+        geometry::IntegerSize2D aSize (xBitmap->getSize());
+        return awt::Size(
+            ::std::max(aSize.Width, *std::max_element(widths.begin(), widths.end())),
+            aSize.Height + nGap + nTextHeight);
+    }
+    else
+    {
+        return awt::Size(*std::max_element(widths.begin(), widths.end()), nTextHeight);
+    }
+}
+
+void Button::PaintIcon (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const sal_Int32 nTextHeight,
+    const rendering::ViewState& rViewState)
+{
+    if (!mpMode)
+        return;
+
+    Reference<rendering::XBitmap> xBitmap (mpMode->mpIcon->GetBitmap(GetMode()));
+    if (!xBitmap.is())
+        return;
+
+    /// check whether RTL interface or not
+    if(!AllSettings::GetLayoutRTL()){
+        const sal_Int32 nX (maLocation.X
+            + (maSize.Width-xBitmap->getSize().Width) / 2);
+        const sal_Int32 nY (maLocation.Y
+            + (maSize.Height - nTextHeight - xBitmap->getSize().Height) / 2);
+        const rendering::RenderState aRenderState(
+            geometry::AffineMatrix2D(1,0,nX, 0,1,nY),
+            nullptr,
+            Sequence<double>(4),
+            rendering::CompositeOperation::OVER);
+        rxCanvas->drawBitmap(xBitmap, rViewState, aRenderState);
+    }
+    else {
+        const sal_Int32 nX (maLocation.X
+            + (maSize.Width+xBitmap->getSize().Width) / 2);
+        const sal_Int32 nY (maLocation.Y
+            + (maSize.Height - nTextHeight - xBitmap->getSize().Height) / 2);
+        const rendering::RenderState aRenderState(
+            geometry::AffineMatrix2D(-1,0,nX, 0,1,nY),
+            nullptr,
+            Sequence<double>(4),
+            rendering::CompositeOperation::OVER);
+        rxCanvas->drawBitmap(xBitmap, rViewState, aRenderState);
+    }
+}
+
+PresenterBitmapDescriptor::Mode Button::GetMode() const
+{
+    if ( ! IsEnabled())
+        return PresenterBitmapDescriptor::Disabled;
+    else if (mbIsPressed)
+        return PresenterBitmapDescriptor::ButtonDown;
+    else if (mbIsOver)
+        return PresenterBitmapDescriptor::MouseOver;
+    else
+        return PresenterBitmapDescriptor::Normal;
+}
+
+//----- lang::XEventListener --------------------------------------------------
+
+void SAL_CALL Button::disposing (const css::lang::EventObject& rEvent)
+{
+    mbIsListenerRegistered = false;
+    Element::disposing(rEvent);
+}
+
+} // end of anonymous namespace
+
+//===== PresenterToolBar::Label ===============================================
+
+namespace {
+
+Label::Label (const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : Element(rpToolBar)
+{
+}
+
+awt::Size Label::CreateBoundingSize (
+    const Reference<rendering::XCanvas>& rxCanvas)
+{
+    if (!mpMode)
+        return awt::Size(0,0);
+
+    geometry::RealRectangle2D aTextBBox (mpMode->maText.GetBoundingBox(rxCanvas));
+    return awt::Size(
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBox.X2 - aTextBBox.X1),
+        sal::static_int_cast<sal_Int32>(0.5 + aTextBBox.Y2 - aTextBBox.Y1));
+}
+
+void Label::SetText (const OUString& rsText)
+{
+    OSL_ASSERT(mpToolBar);
+    if (!mpMode)
+        return;
+
+    const bool bRequestLayout (mpMode->maText.GetText().getLength() != rsText.getLength());
+
+    mpMode->maText.SetText(rsText);
+    // Just use the character count for determining whether a layout is
+    // necessary.  This is an optimization to avoid layouts every time a new
+    // time value is set on some labels.
+    if (bRequestLayout)
+        mpToolBar->RequestLayout();
+    else
+        Invalidate(false);
+}
+
+void Label::Paint (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const rendering::ViewState& rViewState)
+{
+    OSL_ASSERT(rxCanvas.is());
+    if (!mpMode)
+        return;
+
+    mpMode->maText.Paint(rxCanvas, rViewState, GetBoundingBox());
+}
+
+bool Label::SetState (const bool, const bool)
+{
+    // For labels there is no mouse over effect.
+    return Element::SetState(false, false);
+}
+
+} // end of anonymous namespace
+
+//===== Text ==================================================================
+
+namespace {
+
+Text::Text()
+{
+}
+
+Text::Text (
+    const OUString& rsText,
+    const PresenterTheme::SharedFontDescriptor& rpFont)
+    : msText(rsText),
+      mpFont(rpFont)
+{
+}
+
+void Text::SetText (const OUString& rsText)
+{
+    msText = rsText;
+}
+
+const OUString& Text::GetText() const
+{
+    return msText;
+}
+
+const PresenterTheme::SharedFontDescriptor& Text::GetFont() const
+{
+    return mpFont;
+}
+
+void Text::Paint (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const rendering::ViewState& rViewState,
+    const awt::Rectangle& rBoundingBox)
+{
+    OSL_ASSERT(rxCanvas.is());
+
+    if (msText.isEmpty())
+        return;
+    if (!mpFont)
+        return;
+
+    if ( ! mpFont->mxFont.is())
+        mpFont->PrepareFont(rxCanvas);
+    if ( ! mpFont->mxFont.is())
+        return;
+
+    rendering::StringContext aContext (msText, 0, msText.getLength());
+
+    Reference<rendering::XTextLayout> xLayout (
+        mpFont->mxFont->createTextLayout(
+            aContext,
+            rendering::TextDirection::WEAK_LEFT_TO_RIGHT,
+            0));
+    geometry::RealRectangle2D aBox (xLayout->queryTextBounds());
+    const double nTextWidth = aBox.X2 - aBox.X1;
+    const double nY = rBoundingBox.Y + rBoundingBox.Height - aBox.Y2;
+    const double nX = rBoundingBox.X + (rBoundingBox.Width - nTextWidth)/2;
+
+    rendering::RenderState aRenderState(
+        geometry::AffineMatrix2D(1,0,nX, 0,1,nY),
+        nullptr,
+        Sequence<double>(4),
+        rendering::CompositeOperation::SOURCE);
+    PresenterCanvasHelper::SetDeviceColor(aRenderState, mpFont->mnColor);
+    rxCanvas->drawTextLayout(
+        xLayout,
+        rViewState,
+        aRenderState);
+}
+
+geometry::RealRectangle2D Text::GetBoundingBox (const Reference<rendering::XCanvas>& rxCanvas)
+{
+    if (mpFont && !msText.isEmpty())
+    {
+        if ( ! mpFont->mxFont.is())
+            mpFont->PrepareFont(rxCanvas);
+        if (mpFont->mxFont.is())
+        {
+            rendering::StringContext aContext (msText, 0, msText.getLength());
+            Reference<rendering::XTextLayout> xLayout (
+                mpFont->mxFont->createTextLayout(
+                    aContext,
+                    rendering::TextDirection::WEAK_LEFT_TO_RIGHT,
+                    0));
+            return xLayout->queryTextBounds();
+        }
+    }
+    return geometry::RealRectangle2D(0,0,0,0);
+}
+
+//===== TimeFormatter =========================================================
+
+OUString TimeFormatter::FormatTime (const oslDateTime& rTime)
+{
+    OUStringBuffer sText;
+
+    const sal_Int32 nHours (sal::static_int_cast<sal_Int32>(rTime.Hours));
+    const sal_Int32 nMinutes (sal::static_int_cast<sal_Int32>(rTime.Minutes));
+    const sal_Int32 nSeconds(sal::static_int_cast<sal_Int32>(rTime.Seconds));
+    // Hours
+    sText.append(nHours);
+
+    sText.append(":");
+
+    // Minutes
+    const OUString sMinutes (OUString::number(nMinutes));
+    if (sMinutes.getLength() == 1)
+        sText.append("0");
+    sText.append(sMinutes);
+
+    // Seconds
+    sText.append(":");
+    const OUString sSeconds (OUString::number(nSeconds));
+    if (sSeconds.getLength() == 1)
+        sText.append("0");
+    sText.append(sSeconds);
+    return sText.makeStringAndClear();
+}
+
+//===== TimeLabel =============================================================
+
+TimeLabel::TimeLabel (const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : Label(rpToolBar)
+{
+}
+
+void SAL_CALL TimeLabel::disposing()
+{
+    PresenterClockTimer::Instance(mpToolBar->GetComponentContext())->RemoveListener(mpListener);
+    mpListener.reset();
+}
+
+void TimeLabel::ConnectToTimer()
+{
+    mpListener = std::make_shared<Listener>(this);
+    PresenterClockTimer::Instance(mpToolBar->GetComponentContext())->AddListener(mpListener);
+}
+
+//===== CurrentTimeLabel ======================================================
+
+::rtl::Reference<Element> CurrentTimeLabel::Create (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+{
+    ::rtl::Reference<TimeLabel> pElement(new CurrentTimeLabel(rpToolBar));
+    pElement->ConnectToTimer();
+    return pElement;
+}
+
+CurrentTimeLabel::~CurrentTimeLabel()
+{
+}
+
+CurrentTimeLabel::CurrentTimeLabel (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : TimeLabel(rpToolBar)
+{
+}
+
+void CurrentTimeLabel::TimeHasChanged (const oslDateTime& rCurrentTime)
+{
+    SetText(TimeFormatter::FormatTime(rCurrentTime));
+    Invalidate(false);
+}
+
+void CurrentTimeLabel::SetModes (
+    const SharedElementMode& rpNormalMode,
+    const SharedElementMode& rpMouseOverMode,
+    const SharedElementMode& rpSelectedMode,
+    const SharedElementMode& rpDisabledMode,
+    const SharedElementMode& rpMouseOverSelectedMode)
+{
+    TimeLabel::SetModes(rpNormalMode, rpMouseOverMode, rpSelectedMode, rpDisabledMode, rpMouseOverSelectedMode);
+    SetText(TimeFormatter::FormatTime(PresenterClockTimer::GetCurrentTime()));
+}
+
+//===== PresentationTimeLabel =================================================
+
+::rtl::Reference<Element> PresentationTimeLabel::Create (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+{
+    ::rtl::Reference<TimeLabel> pElement(new PresentationTimeLabel(rpToolBar));
+    pElement->ConnectToTimer();
+    return pElement;
+}
+
+PresentationTimeLabel::~PresentationTimeLabel()
+{
+    mpToolBar->GetPresenterController()->SetPresentationTime(nullptr);
+}
+
+PresentationTimeLabel::PresentationTimeLabel (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : TimeLabel(rpToolBar),
+      maStartTimeValue()
+{
+    restart();
+    setPauseStatus(false);
+    TimeValue pauseTime(0,0);
+    setPauseTimeValue(pauseTime);
+    mpToolBar->GetPresenterController()->SetPresentationTime(this);
+}
+
+void PresentationTimeLabel::restart()
+{
+    TimeValue pauseTime(0, 0);
+    setPauseTimeValue(pauseTime);
+    maStartTimeValue.Seconds = 0;
+    maStartTimeValue.Nanosec = 0;
+}
+
+bool PresentationTimeLabel::isPaused()
+{
+	return paused;
+}
+
+void PresentationTimeLabel::setPauseStatus(const bool pauseStatus)
+{
+	paused = pauseStatus;
+}
+
+const TimeValue& PresentationTimeLabel::getPauseTimeValue() const
+{
+	return pauseTimeValue;
+}
+
+void PresentationTimeLabel::setPauseTimeValue(const TimeValue pauseTime)
+{
+    //store the time at which the presentation was paused
+	pauseTimeValue = pauseTime;
+}
+
+void PresentationTimeLabel::TimeHasChanged (const oslDateTime& rCurrentTime)
+{
+    TimeValue aCurrentTimeValue;
+    if (!osl_getTimeValueFromDateTime(&rCurrentTime, &aCurrentTimeValue))
+        return;
+
+    if (maStartTimeValue.Seconds==0 && maStartTimeValue.Nanosec==0)
+    {
+        // This method is called for the first time.  Initialize the
+        // start time.  The start time is rounded to nearest second to
+        // keep the time updates synchronized with the current time label.
+        maStartTimeValue = aCurrentTimeValue;
+        if (maStartTimeValue.Nanosec >= 500000000)
+            maStartTimeValue.Seconds += 1;
+        maStartTimeValue.Nanosec = 0;
+    }
+
+    //The start time value is incremented by the amount of time
+    //the presentation was paused for in order to continue the
+    //timer from the same position
+    if(!isPaused())
+    {
+        TimeValue pauseTime = getPauseTimeValue();
+        if(pauseTime.Seconds != 0 || pauseTime.Nanosec != 0)
+        {
+            TimeValue incrementValue(0, 0);
+            incrementValue.Seconds = aCurrentTimeValue.Seconds - pauseTime.Seconds;
+            if(pauseTime.Nanosec > aCurrentTimeValue.Nanosec)
+            {
+                incrementValue.Nanosec = 1000000000 + aCurrentTimeValue.Nanosec - pauseTime.Nanosec;
+            }
+            else
+            {
+                incrementValue.Nanosec = aCurrentTimeValue.Nanosec - pauseTime.Nanosec;
+            }
+
+            maStartTimeValue.Seconds += incrementValue.Seconds;
+            maStartTimeValue.Nanosec += incrementValue.Nanosec;
+            if(maStartTimeValue.Nanosec >= 1000000000)
+            {
+                maStartTimeValue.Seconds += 1;
+                maStartTimeValue.Nanosec -= 1000000000;
+            }
+
+            TimeValue pauseTime_(0, 0);
+            setPauseTimeValue(pauseTime_);
+        }
+    }
+    else
+    {
+        TimeValue pauseTime = getPauseTimeValue();
+        if(pauseTime.Seconds == 0 && pauseTime.Nanosec == 0)
+        {
+            setPauseTimeValue(aCurrentTimeValue);
+        }
+    }
+
+    TimeValue aElapsedTimeValue;
+    aElapsedTimeValue.Seconds = aCurrentTimeValue.Seconds - maStartTimeValue.Seconds;
+    aElapsedTimeValue.Nanosec = aCurrentTimeValue.Nanosec - maStartTimeValue.Nanosec;
+
+    oslDateTime aElapsedDateTime;
+    if (osl_getDateTimeFromTimeValue(&aElapsedTimeValue, &aElapsedDateTime) && !isPaused())
+    {
+        SetText(TimeFormatter::FormatTime(aElapsedDateTime));
+        Invalidate(false);
+    }
+}
+
+void PresentationTimeLabel::SetModes (
+    const SharedElementMode& rpNormalMode,
+    const SharedElementMode& rpMouseOverMode,
+    const SharedElementMode& rpSelectedMode,
+    const SharedElementMode& rpDisabledMode,
+    const SharedElementMode& rpMouseOverSelectedMode)
+{
+    TimeLabel::SetModes(rpNormalMode, rpMouseOverMode, rpSelectedMode, rpDisabledMode, rpMouseOverSelectedMode);
+
+    oslDateTime aStartDateTime;
+    if (osl_getDateTimeFromTimeValue(&maStartTimeValue, &aStartDateTime))
+    {
+        SetText(TimeFormatter::FormatTime(aStartDateTime));
+    }
+}
+
+//===== VerticalSeparator =====================================================
+
+VerticalSeparator::VerticalSeparator (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : Element(rpToolBar)
+{
+}
+
+void VerticalSeparator::Paint (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const rendering::ViewState& rViewState)
+{
+    OSL_ASSERT(rxCanvas.is());
+
+    awt::Rectangle aBBox (GetBoundingBox());
+
+    rendering::RenderState aRenderState(
+        geometry::AffineMatrix2D(1,0,aBBox.X, 0,1,aBBox.Y),
+        nullptr,
+        Sequence<double>(4),
+        rendering::CompositeOperation::OVER);
+    if (mpMode)
+    {
+        PresenterTheme::SharedFontDescriptor pFont (mpMode->maText.GetFont());
+        if (pFont)
+            PresenterCanvasHelper::SetDeviceColor(aRenderState, pFont->mnColor);
+    }
+
+    Reference<rendering::XBitmap> xBitmap(mpToolBar->GetPresenterController()->GetPresenterHelper()->loadBitmap("bitmaps/Separator.png", rxCanvas));
+    if (!xBitmap.is())
+        return;
+
+    rxCanvas->drawBitmap(
+        xBitmap,
+        rViewState,
+        aRenderState);
+}
+
+awt::Size VerticalSeparator::CreateBoundingSize (
+    const Reference<rendering::XCanvas>&)
+{
+    return awt::Size(1,20);
+}
+
+bool VerticalSeparator::IsFilling() const
+{
+    return true;
+}
+
+//===== HorizontalSeparator ===================================================
+
+HorizontalSeparator::HorizontalSeparator (
+    const ::rtl::Reference<PresenterToolBar>& rpToolBar)
+    : Element(rpToolBar)
+{
+}
+
+void HorizontalSeparator::Paint (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const rendering::ViewState& rViewState)
+{
+    OSL_ASSERT(rxCanvas.is());
+
+    awt::Rectangle aBBox (GetBoundingBox());
+
+    rendering::RenderState aRenderState(
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        nullptr,
+        Sequence<double>(4),
+        rendering::CompositeOperation::OVER);
+    if (mpMode)
+    {
+        PresenterTheme::SharedFontDescriptor pFont (mpMode->maText.GetFont());
+        if (pFont)
+            PresenterCanvasHelper::SetDeviceColor(aRenderState, pFont->mnColor);
+    }
+
+    rxCanvas->fillPolyPolygon(
+        PresenterGeometryHelper::CreatePolygon(aBBox, rxCanvas->getDevice()),
+        rViewState,
+        aRenderState);
+}
+
+awt::Size HorizontalSeparator::CreateBoundingSize (
+    const Reference<rendering::XCanvas>&)
+{
+    return awt::Size(20,1);
+}
+
+bool HorizontalSeparator::IsFilling() const
+{
+    return true;
+}
+
+} // end of anonymous namespace
+
+} // end of namespace ::sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */