/* -*- 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_ACTIVITIESQUEUE_HXX #define INCLUDED_SLIDESHOW_SOURCE_INC_ACTIVITIESQUEUE_HXX #include #include "activity.hxx" #include #include /* Definition of ActivitiesQueue class */ namespace slideshow::internal { /** This class handles the XSprite updates needed for animations, such as moves, scales etc. You can add activity objects to this class, which are called in a round-robin fashion. */ class ActivitiesQueue { public: /** Create an ActivitiesQueue. @param pPresTimer Pointer to global presentation timer. Used for adjusting and holding global presentation time. */ explicit ActivitiesQueue( const std::shared_ptr< ::canvas::tools::ElapsedTime >& pPresTimer ); ~ActivitiesQueue(); ActivitiesQueue(const ActivitiesQueue&) = delete; ActivitiesQueue& operator=(const ActivitiesQueue&) = delete; /** Add the given activity to the queue. */ bool addActivity( const ActivitySharedPtr& pActivity ); /** Add the given activity prioritized last in the queue. */ bool addTailActivity( const ActivitySharedPtr& pActivity ); /** Process the activities queue. This method performs the smallest atomic processing possible on the queue (typically, this means one activity get processed). */ void process(); /** Call all dequeued activities' dequeued() method */ void processDequeued(); /** Query state of the queue @return false, if queue is empty, true otherwise */ bool isEmpty() const; /** Remove all pending activities from the queue. */ void clear(); /** Gets the queue's timer object. */ std::shared_ptr< ::canvas::tools::ElapsedTime > const & getTimer() const { return mpTimer; } private: std::shared_ptr< ::canvas::tools::ElapsedTime > mpTimer; typedef ::std::deque< ActivitySharedPtr > ActivityQueue; ActivityQueue maCurrentActivitiesWaiting; // currently running // activities, that still // await processing for this // round ActivityQueue maCurrentTailActivitiesWaiting; // activities that will be // processed last in the queue ActivityQueue maCurrentActivitiesReinsert; // currently running // activities, that are // already processed for // this round, and wants // to be reinserted next // round ActivityQueue maDequeuedActivities; // This list collects all activities which did not request // a reinsertion. After the screen update has been // performed, those are notified via dequeued(). This // facilitates cleanup actions taking place _after_ the // current frame has been displayed. }; } #endif // INCLUDED_SLIDESHOW_SOURCE_INC_ACTIVITIESQUEUE_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ /collabora/lov-4.4 LibreOffice 核心代码仓库文档基金会
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2020-07-08uui: create instances with uno constructorsNoel Grandin