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133 lines
3.4 KiB
133 lines
3.4 KiB
#pragma once
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#include <core/SSingleton.h>
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#include <helper/SCriticalSection.h>
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#if _MSC_VER >= 1700 //VS2012
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#define ENABLE_RUNONUI
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#endif
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#ifdef ENABLE_RUNONUI
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#include <functional>
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// 将 闭包 传递到了 UI线程
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// 所以 这里 尽量 将 相同类型的 处理 放到一起 执行 而不是分开调用。
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// SendMessage [&] 中的 & 是指 fn里调用的变量 都是 引用拷贝的
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#define SRUNONUISYNC(fn) SNotifyCenter::getSingletonPtr()->RunOnUISync([&](){fn})
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// PostMessage [=] 中的 等号 是指 fn里调用的变量 都是 值拷贝的
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#define SRUNONUI(fn) SNotifyCenter::getSingletonPtr()->RunOnUIAsync([=](){fn})
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#endif
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namespace SOUI
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{
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template<class T>
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class TAutoEventMapReg
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{
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typedef TAutoEventMapReg<T> _thisClass;
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public:
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TAutoEventMapReg()
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{
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registerNotifyCenter();
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}
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~TAutoEventMapReg()
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{
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unregisterNotifyCenter();
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}
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void registerNotifyCenter();
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void unregisterNotifyCenter();
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protected:
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bool OnEvent(EventArgs *e){
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T * pThis = static_cast<T*>(this);
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return !!pThis->_HandleEvent(e);
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}
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};
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struct INotifyCallback{
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virtual void OnFireEvent(EventArgs *e) = 0;
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virtual void OnFireEvts() = 0;
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};
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class SNotifyReceiver;
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class SOUI_EXP SNotifyCenter : public SSingleton<SNotifyCenter>
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, public SEventSet
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, protected INotifyCallback
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{
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public:
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SNotifyCenter(int nIntervel=20);
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~SNotifyCenter(void);
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/**
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* FireEventSync
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* @brief 触发一个同步通知事件
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* @param EventArgs *e -- 事件对象
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* @return
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*
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* Describe 只能在UI线程中调用
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*/
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void FireEventSync(EventArgs *e);
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/**
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* FireEventAsync
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* @brief 触发一个异步通知事件
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* @param EventArgs *e -- 事件对象
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* @return
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*
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* Describe 可以在非UI线程中调用，EventArgs *e必须是从堆上分配的内存，调用后使用Release释放引用计数
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*/
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void FireEventAsync(EventArgs *e);
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/**
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* RegisterEventMap
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* @brief 注册一个处理通知的对象
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* @param const ISlotFunctor &slot -- 事件处理对象
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* @return
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*
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* Describe
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*/
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bool RegisterEventMap(const ISlotFunctor &slot);
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/**
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* RegisterEventMap
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* @brief 注销一个处理通知的对象
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* @param const ISlotFunctor &slot -- 事件处理对象
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* @return
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*
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* Describe
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*/
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bool UnregisterEventMap(const ISlotFunctor & slot);
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protected:
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virtual void OnFireEvent(EventArgs *e);
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virtual void OnFireEvts();
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DWORD m_dwMainTrdID;//主线程ID
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SList<ISlotFunctor*> m_evtHandlerMap;
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SNotifyReceiver * m_pReceiver;
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SCriticalSection m_cs;
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SList<EventArgs *> m_ayncEvent;
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BOOL m_bRunning;
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int m_nInterval;
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#ifdef ENABLE_RUNONUI
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SList < std::function<void(void)> * > m_asyncFuns;
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public:
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void RunOnUISync(std::function<void(void)> fn);
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void RunOnUIAsync(std::function<void(void)> fn);
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#endif
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};
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template<class T>
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inline void TAutoEventMapReg<T>::registerNotifyCenter()
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{
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SNotifyCenter::getSingleton().RegisterEventMap(Subscriber(&_thisClass::OnEvent, this));
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}
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template<class T>
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inline void TAutoEventMapReg<T>::unregisterNotifyCenter()
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{
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SNotifyCenter::getSingleton().UnregisterEventMap(Subscriber(&_thisClass::OnEvent, this));
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}
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}
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