office-gobmx/sdext/source/presenter/PresenterSlideSorter.hxx

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#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSLIDESORTER_HXX
#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSLIDESORTER_HXX

#include <memory>
#include "PresenterController.hxx"
#include "PresenterPaneContainer.hxx"
#include "PresenterViewFactory.hxx"
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase.hxx>
#include <com/sun/star/awt/XPaintListener.hpp>
#include <com/sun/star/awt/XWindowListener.hpp>
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/drawing/XDrawView.hpp>
#include <com/sun/star/drawing/XSlidePreviewCache.hpp>
#include <com/sun/star/drawing/framework/XView.hpp>
#include <com/sun/star/drawing/framework/XResourceId.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/geometry/RealRectangle2D.hpp>
#include <com/sun/star/rendering/XPolyPolygon2D.hpp>

namespace sdext::presenter {

class PresenterButton;
class PresenterScrollBar;

typedef cppu::WeakComponentImplHelper<
    css::drawing::framework::XView,
    css::awt::XWindowListener,
    css::awt::XPaintListener,
    css::beans::XPropertyChangeListener,
    css::drawing::XSlidePreviewCacheListener,
    css::awt::XMouseListener,
    css::awt::XMouseMotionListener,
    css::drawing::XDrawView
    > PresenterSlideSorterInterfaceBase;

/** A simple slide sorter for the presenter screen.  It uses a preview cache
    to create the slide previews.  Painting is done via a canvas.
*/
class PresenterSlideSorter
    : private ::cppu::BaseMutex,
      public PresenterSlideSorterInterfaceBase,
      public CachablePresenterView
{
public:
    PresenterSlideSorter (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
        const css::uno::Reference<css::frame::XController>& rxController,
        const ::rtl::Reference<PresenterController>& rpPresenterController);
    virtual ~PresenterSlideSorter() override;

    virtual void SAL_CALL disposing() override;

    // lang::XEventListener

    virtual void SAL_CALL
        disposing (const css::lang::EventObject& rEventObject) 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;

    // XPaintListener

    virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;

    // XMouseListener

    virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent) override;

    virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent) override;

    virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent) override;

    virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent) override;

    // XMouseMotionListener

    virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent) override;

    virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent) override;

    // XResourceId

    virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId() override;

    virtual sal_Bool SAL_CALL isAnchorOnly() override;

    // XPropertyChangeListener

    virtual void SAL_CALL propertyChange (
        const css::beans::PropertyChangeEvent& rEvent) override;

    // XSlidePreviewCacheListener

    virtual void SAL_CALL notifyPreviewCreation (
        sal_Int32 nSlideIndex) override;

    // XDrawView

    virtual void SAL_CALL setCurrentPage (
        const css::uno::Reference<css::drawing::XDrawPage>& rxSlide) override;

    virtual css::uno::Reference<css::drawing::XDrawPage> SAL_CALL getCurrentPage() override;

private:
    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
    css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
    css::uno::Reference<css::drawing::framework::XPane> mxPane;
    css::uno::Reference<css::rendering::XCanvas> mxCanvas;
    css::uno::Reference<css::awt::XWindow> mxWindow;
    ::rtl::Reference<PresenterController> mpPresenterController;
    css::uno::Reference<css::presentation::XSlideShowController> mxSlideShowController;
    css::uno::Reference<css::drawing::XSlidePreviewCache> mxPreviewCache;
    bool mbIsLayoutPending;
    class Layout;
    std::shared_ptr<Layout> mpLayout;
    ::rtl::Reference<PresenterScrollBar> mpVerticalScrollBar;
    ::rtl::Reference<PresenterButton> mpCloseButton;
    class MouseOverManager;
    std::unique_ptr<MouseOverManager> mpMouseOverManager;
    sal_Int32 mnSlideIndexMousePressed;
    sal_Int32 mnCurrentSlideIndex;
    sal_Int32 mnSeparatorY;
    css::util::Color maSeparatorColor;
    css::awt::Rectangle maCurrentSlideFrameBoundingBox;
    class CurrentSlideFrameRenderer;
    std::shared_ptr<CurrentSlideFrameRenderer> mpCurrentSlideFrameRenderer;
    css::uno::Reference<css::rendering::XPolyPolygon2D> mxPreviewFrame;

    void UpdateLayout();
    css::geometry::RealRectangle2D PlaceScrollBars (
        const css::geometry::RealRectangle2D& rUpperBox);
    void PlaceCloseButton (
        const PresenterPaneContainer::SharedPaneDescriptor& rpPane,
        const css::awt::Rectangle& rCenterBox,
    const sal_Int32 nLeftFrameWidth);
    void ClearBackground (
        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
        const css::awt::Rectangle& rRedrawArea);
    double GetSlideAspectRatio() const;
    css::uno::Reference<css::rendering::XBitmap> GetPreview (const sal_Int32 nSlideIndex);
    void PaintPreview (
        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
        const css::awt::Rectangle& rUpdateBox,
        const sal_Int32 nSlideIndex);
    void Paint (const css::awt::Rectangle& rUpdateBox);
    void SetHorizontalOffset (const double nXOffset);
    void SetVerticalOffset (const double nYOffset);
    void GotoSlide (const sal_Int32 nSlideIndex);
    bool ProvideCanvas();

    /** @throws css::lang::DisposedException when the object has already been
        disposed.
    */
    void ThrowIfDisposed();
};

} // end of namespace ::sdext::presenter

#endif

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