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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef SDEXT_PRESENTER_CLOCK_HXX
#define SDEXT_PRESENTER_CLOCK_HXX

#include "PresenterController.hxx"

#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase4.hxx>
#include <com/sun/star/awt/XMouseListener.hpp>
#include <com/sun/star/awt/XPaintListener.hpp>
#include <com/sun/star/awt/XWindowListener.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/framework/XPane.hpp>
#include <com/sun/star/drawing/framework/XResourceId.hpp>
#include <com/sun/star/drawing/framework/XView.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <osl/thread.hxx>
#include <rtl/ref.hxx>
#include <boost/scoped_ptr.hpp>

namespace css = ::com::sun::star;

namespace {
    typedef cppu::WeakComponentImplHelper4<
        css::awt::XPaintListener,
        css::awt::XWindowListener,
        css::awt::XMouseListener,
        css::drawing::framework::XView
        > PresenterClockInterfaceBase;
}

namespace sdext { namespace presenter {


/** A clock that displays the current time.  This class is work in
    progress.  Future extensions may include
    other times like time since presentation started or remaining time.
    Painting of the clock is done by the inner Painer class which includes
    at the moment a simple analog and a simple digital clock.
*/
class PresenterClock
    : private ::cppu::BaseMutex,
      public PresenterClockInterfaceBase
{
public:
    static ::rtl::Reference<PresenterClock> Create (
        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 void SAL_CALL disposing (void);

    /** Callback for an external timer or thread that initiates updates when
        the time changes (seconds or minutes).
    */
    void UpdateTime (void);

    /** An internally used base class for different painters.
    */
    class Painter;


    // lang::XEventListener

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


    // XPaintListener

    virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent)
        throw (css::uno::RuntimeException);


    // XWindowListener

    virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent)
        throw (css::uno::RuntimeException);


    // XMouseListener

    virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent)
        throw (css::uno::RuntimeException);

    virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent)
        throw (css::uno::RuntimeException);


    // XResourceId

    virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId (void)
        throw (css::uno::RuntimeException);

    virtual sal_Bool SAL_CALL isAnchorOnly (void)
        throw (com::sun::star::uno::RuntimeException);

private:
    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
    css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
    css::uno::Reference<css::awt::XWindow> mxWindow;
    css::uno::Reference<css::rendering::XCanvas> mxCanvas;
    css::uno::Reference<css::drawing::framework::XPane> mxPane;
    ::rtl::Reference<PresenterController> mpPresenterController;
    bool mbIsResizePending;
    css::rendering::ViewState maViewState;
    css::rendering::RenderState maRenderState;
    /** A Timer is used for sampling the current time and schedule repaints
        when the minute or second (when these are displayed) values have changed.
    */
    class Timer;
    Timer* mpTimer;
    ::boost::scoped_ptr<Painter> mpClockPainter;
    /**
        This is used for debugging to show one clock atop another to compare
        the output of the painters.
    */
    ::boost::scoped_ptr<Painter> mpClockPainter2;
    int mnMode;
    sal_Int32 mnHour;
    sal_Int32 mnMinute;
    sal_Int32 mnSecond;

    bool mbIsShowSeconds;

    /** Use the static Create() method for creating a new PresenterClock
        object.
    */
    PresenterClock (
        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 ~PresenterClock (void);

    void LateInit (void);
    void Resize (void);
    void Paint (const css::awt::Rectangle& rUpdateRectangle);
    css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon (
        const css::awt::Rectangle& rBox);
    void Clear (const css::uno::Reference<css::rendering::XPolyPolygon2D>& rxUpdatePolygon);
    void SetMode (sal_Int32 nMode);

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

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

#endif

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