145 lines
5.3 KiB
C++
145 lines
5.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSLIDEPREVIEW_HXX
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#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSLIDEPREVIEW_HXX
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#include "PresenterController.hxx"
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#include <com/sun/star/awt/XPaintListener.hpp>
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#include <com/sun/star/awt/XWindowListener.hpp>
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#include <com/sun/star/drawing/XDrawPage.hpp>
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#include <com/sun/star/drawing/XDrawView.hpp>
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#include <com/sun/star/drawing/XSlideRenderer.hpp>
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#include <com/sun/star/drawing/framework/XPane.hpp>
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#include <com/sun/star/drawing/framework/XView.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/basemutex.hxx>
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#include <cppuhelper/compbase.hxx>
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#include <rtl/ref.hxx>
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namespace sdext::presenter {
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typedef ::cppu::WeakComponentImplHelper <
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css::drawing::framework::XView,
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css::drawing::XDrawView,
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css::awt::XPaintListener,
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css::awt::XWindowListener
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> PresenterSlidePreviewInterfaceBase;
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/** Static preview of a slide. Typically used for the preview of the next
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slide.
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This implementation shows a preview of the slide given to the
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setCurrentSlide. For showing the next slide the PresenterViewFactory
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uses a derived class that overrides the setCurrentSlide() method.
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*/
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class PresenterSlidePreview
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: private ::cppu::BaseMutex,
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public PresenterSlidePreviewInterfaceBase
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{
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public:
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PresenterSlidePreview (
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const css::uno::Reference<css::uno::XComponentContext>& rxContext,
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const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
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const css::uno::Reference<css::drawing::framework::XPane>& rxAnchorPane,
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const ::rtl::Reference<PresenterController>& rpPresenterController);
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virtual ~PresenterSlidePreview() override;
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PresenterSlidePreview(const PresenterSlidePreview&) = delete;
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PresenterSlidePreview& operator=(const PresenterSlidePreview&) = delete;
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virtual void SAL_CALL disposing() override;
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// XResourceId
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virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId() override;
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virtual sal_Bool SAL_CALL isAnchorOnly() override;
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// XWindowListener
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virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
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virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
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virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
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virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
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// XPaintListener
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virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
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// lang::XEventListener
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virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
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// XDrawView
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virtual void SAL_CALL setCurrentPage (
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const css::uno::Reference<css::drawing::XDrawPage>& rxSlide) override;
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virtual css::uno::Reference<css::drawing::XDrawPage> SAL_CALL getCurrentPage() override;
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protected:
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::rtl::Reference<PresenterController> mpPresenterController;
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private:
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css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
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css::uno::Reference<css::drawing::XSlideRenderer> mxPreviewRenderer;
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/** This Image holds the preview of the current slide. After resize
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requests the image may be empty. This results eventually in a call
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to ProvideSlide() in order to created a preview in the correct new
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size.
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*/
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css::uno::Reference<css::rendering::XBitmap> mxPreview;
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std::shared_ptr<PresenterBitmapContainer> mpBitmaps;
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/** The current slide for which a preview is displayed. This may or
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may not be the same as the current slide of the PresenterView.
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*/
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css::uno::Reference<css::drawing::XDrawPage> mxCurrentSlide;
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double mnSlideAspectRatio;
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css::uno::Reference<css::awt::XWindow> mxWindow;
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css::uno::Reference<css::rendering::XCanvas> mxCanvas;
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/** Set the given slide as the current slide of the called PresenterSlidePreview
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object.
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*/
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void SetSlide (const css::uno::Reference<css::drawing::XDrawPage>& rxPage);
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/** Paint the preview of the current slide centered in the window of the
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anchor pane.
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*/
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void Paint (const css::awt::Rectangle& rBoundingBox);
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/** React to a resize of the anchor pane.
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*/
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void Resize();
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/** @throws css::lang::DisposedException when the object has already been
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disposed.
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*/
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void ThrowIfDisposed();
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};
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} // end of namespace ::sd::presenter
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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