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46 lines
1.2 KiB
46 lines
1.2 KiB
#ifndef SMXDeviceSearchThreaded_h
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#define SMXDeviceSearchThreaded_h
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#include "Helpers.h"
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#include <windows.h>
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#include <memory>
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#include <vector>
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using namespace std;
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namespace SMX {
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class SMXDeviceSearch;
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// This is a wrapper around SMXDeviceSearch which performs USB scanning in a thread.
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// It's free on Win10, but takes a while on Windows 7 (about 8ms), so running it on
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// a separate thread prevents random timing errors when reading HID updates.
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class SMXDeviceSearchThreaded
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{
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public:
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SMXDeviceSearchThreaded();
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~SMXDeviceSearchThreaded();
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// The same interface as SMXDeviceSearch:
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vector<shared_ptr<SMX::AutoCloseHandle>> GetDevices();
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void DeviceWasClosed(shared_ptr<SMX::AutoCloseHandle> pDevice);
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// Synchronously shut down the thread.
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void Shutdown();
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private:
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void UpdateDeviceList();
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static DWORD WINAPI ThreadMainStart(void *self_);
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void ThreadMain();
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SMX::Mutex m_Lock;
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shared_ptr<SMXDeviceSearch> m_pDeviceList;
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shared_ptr<SMX::AutoCloseHandle> m_hEvent;
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vector<shared_ptr<SMX::AutoCloseHandle>> m_apDevices;
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vector<shared_ptr<SMX::AutoCloseHandle>> m_apClosedDevices;
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bool m_bShutdown = false;
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HANDLE m_hThread = INVALID_HANDLE_VALUE;
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};
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}
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#endif
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