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Diffstat (limited to 'sdext/source/presenter/PresenterSlidePreview.hxx')
| -rw-r--r-- | sdext/source/presenter/PresenterSlidePreview.hxx | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterSlidePreview.hxx b/sdext/source/presenter/PresenterSlidePreview.hxx new file mode 100644 index 000000000000..57b9f9794b95 --- /dev/null +++ b/sdext/source/presenter/PresenterSlidePreview.hxx @@ -0,0 +1,176 @@ +/* -*- 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_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: */ |