114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
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// 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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#include "AsyncTask.h"
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#include "../common/closure.hpp"
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#include "../platform/Application.h"
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#include <thread>
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namespace easy2d
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{
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//
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// AsyncTask
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//
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AsyncTask::AsyncTask()
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{
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}
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AsyncTask::AsyncTask(AsyncTaskFunc func)
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{
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Then(func);
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}
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void AsyncTask::Start()
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{
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std::thread thread(Closure(this, &AsyncTask::TaskThread));
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thread.detach();
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// retain this object until finished
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Retain();
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}
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AsyncTask& AsyncTask::Then(AsyncTaskFunc func)
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{
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std::lock_guard<std::mutex> lock(func_mutex_);
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thread_func_queue_.push(func);
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return (*this);
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}
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AsyncTask& AsyncTask::SetCallback(AsyncTaskCallback callback)
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{
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thread_cb_ = callback;
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return (*this);
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}
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void AsyncTask::TaskThread()
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{
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while (!thread_func_queue_.empty())
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{
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auto& func = thread_func_queue_.front();
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if (func)
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{
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func();
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}
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func_mutex_.lock();
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thread_func_queue_.pop();
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func_mutex_.unlock();
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}
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if (thread_cb_)
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{
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AsyncTaskThread::Instance().PerformTaskCallback(Closure(this, &AsyncTask::Complete));
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}
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}
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void AsyncTask::Complete()
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{
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thread_cb_();
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// Release this object
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Release();
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}
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//
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// AsyncTaskThread
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//
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void AsyncTaskThread::SetupComponent(Application* app)
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{
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app_ = app;
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}
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void AsyncTaskThread::DestroyComponent()
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{
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}
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void AsyncTaskThread::PerformTaskCallback(std::function<void()> func)
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{
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if (app_)
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{
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app_->PreformFunctionInMainThread(func);
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}
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}
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}
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