376ee49f68
Change-Id: I7775a7d86e9641cd514e58f03d3727d2ad846120 Reviewed-on: https://gerrit.libreoffice.org/68485 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
90 lines
2.9 KiB
C++
90 lines
2.9 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_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX
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#include <memory>
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#include "unoview.hxx"
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#include "disposable.hxx"
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/* Definition of ViewEventHandler interface */
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namespace slideshow
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{
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namespace internal
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{
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/** Interface for handling view events.
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Classes implementing this interface can be added to an
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EventMultiplexer object, and are called from there to
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handle view events.
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*/
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class ViewEventHandler : public virtual SharedPtrAble
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{
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public:
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/** Notify new view.
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@param rView
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The newly added view
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*/
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virtual void viewAdded( const UnoViewSharedPtr& rView ) = 0;
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/** Notify removed view.
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@param rView
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The removed view
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*/
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virtual void viewRemoved( const UnoViewSharedPtr& rView ) = 0;
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/** Notify changed view.
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Reasons for a viewChanged notification can be
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different view size, transformation, or other device
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properties (color resolution or profile, etc.)
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@param rView
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The changed view
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*/
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virtual void viewChanged( const UnoViewSharedPtr& rView ) = 0;
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/** Notify that all views changed.
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Reasons for a viewChanged notification can be
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different view size, transformation, or other device
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properties (color resolution or profile, etc.)
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Note that this method avoids hidden inefficiencies
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(O(n^2) behaviour when viewChanged() needs to perform
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linear searches)
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*/
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virtual void viewsChanged() = 0;
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};
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typedef ::std::weak_ptr< ViewEventHandler > ViewEventHandlerWeakPtr;
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}
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}
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#endif // INCLUDED_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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