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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/inc/vieweventhandler.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/inc/vieweventhandler.hxx')
-rw-r--r-- | slideshow/source/inc/vieweventhandler.hxx | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/slideshow/source/inc/vieweventhandler.hxx b/slideshow/source/inc/vieweventhandler.hxx new file mode 100644 index 000000000..aa75acaf9 --- /dev/null +++ b/slideshow/source/inc/vieweventhandler.hxx @@ -0,0 +1,90 @@ +/* -*- 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 INCLUDED_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX +#define INCLUDED_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX + +#include <memory> + +#include "unoview.hxx" +#include "disposable.hxx" + + +/* Definition of ViewEventHandler interface */ + +namespace slideshow +{ + namespace internal + { + + /** Interface for handling view events. + + Classes implementing this interface can be added to an + EventMultiplexer object, and are called from there to + handle view events. + */ + class ViewEventHandler : public virtual SharedPtrAble + { + public: + /** Notify new view. + + @param rView + The newly added view + */ + virtual void viewAdded( const UnoViewSharedPtr& rView ) = 0; + + /** Notify removed view. + + @param rView + The removed view + */ + virtual void viewRemoved( const UnoViewSharedPtr& rView ) = 0; + + /** Notify changed view. + + Reasons for a viewChanged notification can be + different view size, transformation, or other device + properties (color resolution or profile, etc.) + + @param rView + The changed view + */ + virtual void viewChanged( const UnoViewSharedPtr& rView ) = 0; + + /** Notify that all views changed. + + Reasons for a viewChanged notification can be + different view size, transformation, or other device + properties (color resolution or profile, etc.) + + Note that this method avoids hidden inefficiencies + (O(n^2) behaviour when viewChanged() needs to perform + linear searches) + */ + virtual void viewsChanged() = 0; + }; + + typedef ::std::weak_ptr< ViewEventHandler > ViewEventHandlerWeakPtr; + + } +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_INC_VIEWEVENTHANDLER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |