80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "../common/helper.h"
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#include "../common/IntrusiveList.hpp"
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#include "Object.h"
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#include "time.h"
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#include <functional>
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namespace easy2d
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{
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class TaskManager;
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E2D_DECLARE_SMART_PTR(Task);
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// 定时任务
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class E2D_API Task
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: public virtual Object
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, protected IntrusiveListItem<TaskPtr>
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{
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friend class TaskManager;
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friend class IntrusiveList<TaskPtr>;
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using Callback = std::function<void()>;
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public:
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explicit Task(
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Callback const& func, /* 执行函数 */
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String const& name = L"" /* 任务名称 */
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);
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explicit Task(
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Callback const& func, /* 执行函数 */
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Duration delay, /* 时间间隔（秒） */
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int times = -1, /* 执行次数（设 -1 为永久执行） */
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String const& name = L"" /* 任务名称 */
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);
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// 启动任务
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void Start();
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// 停止任务
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void Stop();
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// 任务是否正在执行
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bool IsRunning() const;
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protected:
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void Update(Duration dt, bool& remove_after_update);
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void Reset();
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protected:
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bool running_;
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int run_times_;
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int total_times_;
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Duration delay_;
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Duration delta_;
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Callback callback_;
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};
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}
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