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/* -*- 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 .
*/
#ifndef SDEXT_PRESENTER_SLIDE_PREVIEW_HXX
#define SDEXT_PRESENTER_SLIDE_PREVIEW_HXX
#include "PresenterController.hxx"
#include <boost/noncopyable.hpp>
#include <com/sun/star/awt/XBitmap.hpp>
#include <com/sun/star/awt/XDisplayBitmap.hpp>
#include <com/sun/star/awt/XPaintListener.hpp>
#include <com/sun/star/awt/XWindowListener.hpp>
#include <com/sun/star/drawing/XDrawPage.hpp>
#include <com/sun/star/drawing/XDrawView.hpp>
#include <com/sun/star/drawing/XSlideRenderer.hpp>
#include <com/sun/star/drawing/framework/XPane.hpp>
#include <com/sun/star/drawing/framework/XView.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase4.hxx>
#include <rtl/ref.hxx>
namespace css = ::com::sun::star;
namespace sdext { namespace presenter {
namespace {
typedef ::cppu::WeakComponentImplHelper4 <
css::drawing::framework::XView,
css::drawing::XDrawView,
css::awt::XPaintListener,
css::awt::XWindowListener
> PresenterSlidePreviewInterfaceBase;
}
/** Static preview of a slide. Typically used for the preview of the next
slide.
This implementation shows a preview of the slide given to the
setCurrentSlide. For showing the next slide the PresenterViewFactory
uses a derived class that overloads the setCurrentSlide() method.
*/
class PresenterSlidePreview
: private ::boost::noncopyable,
private ::cppu::BaseMutex,
public PresenterSlidePreviewInterfaceBase
{
public:
PresenterSlidePreview (
const css::uno::Reference<css::uno::XComponentContext>& rxContext,
const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
const css::uno::Reference<css::drawing::framework::XPane>& rxAnchorPane,
const ::rtl::Reference<PresenterController>& rpPresenterController);
virtual ~PresenterSlidePreview (void);
virtual void SAL_CALL disposing (void);
// 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);
// 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);
// XPaintListener
virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent)
throw (css::uno::RuntimeException);
// lang::XEventListener
virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent)
throw (css::uno::RuntimeException);
// XDrawView
virtual void SAL_CALL setCurrentPage (
const css::uno::Reference<css::drawing::XDrawPage>& rxSlide)
throw (css::uno::RuntimeException);
virtual css::uno::Reference<css::drawing::XDrawPage> SAL_CALL getCurrentPage (void)
throw (css::uno::RuntimeException);
protected:
::rtl::Reference<PresenterController> mpPresenterController;
private:
css::uno::Reference<css::drawing::framework::XPane> mxPane;
css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
css::uno::Reference<css::drawing::XSlideRenderer> mxPreviewRenderer;
/** This Image holds the preview of the current slide. After resize
requests the image may be empty. This results eventually in a call
to ProvideSlide() in order to created a preview in the correct new
size.
*/
css::uno::Reference<css::rendering::XBitmap> mxPreview;
/** The current slide for which a preview is displayed. This may or
may not be the same as the current slide of the PresenterView.
*/
css::uno::Reference<css::drawing::XDrawPage> mxCurrentSlide;
double mnSlideAspectRatio;
css::uno::Reference<css::awt::XWindow> mxWindow;
css::uno::Reference<css::rendering::XCanvas> mxCanvas;
/** Set the given slide as the current slide of the called PresenterSlidePreview
object.
*/
void SetSlide (const css::uno::Reference<css::drawing::XDrawPage>& rxPage);
/** Paint the preview of the current slide centered in the window of the
anchor pane.
*/
void Paint (const css::awt::Rectangle& rBoundingBox);
/** React to a resize of the anchor pane.
*/
void Resize (void);
/** This method throws a DisposedException when the object has already been
disposed.
*/
void ThrowIfDisposed (void) throw (css::lang::DisposedException);
};
} } // end of namespace ::sd::presenter
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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