Ashitav3-Release/plugins/ADK/AS_Event.h

/**
 * Ashita - Copyright (c) 2014 - 2017 atom0s [atom0s@live.com]
 *
 * This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
 * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/ or send a letter to
 * Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
 *
 * By using Ashita, you agree to the above license and its terms.
 *
 *      Attribution - You must give appropriate credit, provide a link to the license and indicate if changes were
 *                    made. You must do so in any reasonable manner, but not in any way that suggests the licensor
 *                    endorses you or your use.
 *
 *   Non-Commercial - You may not use the material (Ashita) for commercial purposes.
 *
 *   No-Derivatives - If you remix, transform, or build upon the material (Ashita), you may not distribute the
 *                    modified material. You are, however, allowed to submit the modified works back to the original
 *                    Ashita project in attempt to have it added to the original project.
 *
 * You may not apply legal terms or technological measures that legally restrict others
 * from doing anything the license permits.
 *
 * No warranties are given.
 */

#ifndef __ASHITA_AS_EVENT_H_INCLUDED__
#define __ASHITA_AS_EVENT_H_INCLUDED__

#if defined (_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif

#include <Windows.h>

namespace Ashita
{
    namespace Threading
    {
        class AS_Event
        {
            HANDLE m_EventHandle;

        public:
            /**
             * Constructor and Deconstructor
             */
            explicit AS_Event(bool manualReset = true)
            {
                this->m_EventHandle = ::CreateEvent(nullptr, manualReset, FALSE, nullptr);
            }
            virtual AS_Event::~AS_Event(void)
            {
                if (this->m_EventHandle != nullptr)
                    ::CloseHandle(this->m_EventHandle);
                this->m_EventHandle = nullptr;
            }

        public:
            /**
             * Resets the event to its default state.
             *
             * @returns {bool} True on success, false otherwise.
             */
            bool Reset(void)
            {
                return ::ResetEvent(this->m_EventHandle) ? true : false;
            }

            /**
             * Raises the events signal.
             *
             * @returns {bool} True on success, false otherwise.
             */
            bool Raise(void)
            {
                return (::SetEvent(this->m_EventHandle) ? true : false);
            }

            /**
             * Determines if the event is signaled.
             *
             * @returns {bool} True on success, false otherwise.
             */
            bool IsSignaled(void) const
            {
                return (::WaitForSingleObject(this->m_EventHandle, 0) == WAIT_OBJECT_0);
            }

            /**
             * Waits for the event to be signaled.
             *
             * @param {uint32_t} milliseconds - The amount of time, in milliseconds, to wait.
             * @returns {bool} True on success, false otherwise.
             */
            bool WaitForEvent(uint32_t milliseconds) const
            {
                return (::WaitForSingleObject(this->m_EventHandle, milliseconds) == WAIT_OBJECT_0);
            }
        };
    }; // namespace Threading    
}; // namespace Ashita

#endif // __ASHITA_AS_EVENT_H_INCLUDED__