91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
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#ifndef _NULLSOFT_WINAMP_GEN_DEVICE_PROVIDER_DEVICE_ACTIVITY_HEADER
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#define _NULLSOFT_WINAMP_GEN_DEVICE_PROVIDER_DEVICE_ACTIVITY_HEADER
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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#pragma once
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#endif
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#include <wtypes.h>
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typedef enum DeviceActivityFlags
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{
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DeviceActivityFlag_Cancelable = (1 << 0),
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DeviceActivityFlag_SupportProgress = (1 << 0),
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} DeviceActivityFlags;
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DEFINE_ENUM_FLAG_OPERATORS(DeviceActivityFlags);
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typedef void (*DeviceActivityCallback)(DeviceActivity * /*activity*/);
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typedef void (*DeviceActivityProgressCallback)(DeviceActivity * /*activity*/, unsigned int /*position*/, unsigned int /*total*/);
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class DeviceActivity: public ifc_deviceactivity
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{
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protected:
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DeviceActivity(DeviceActivityFlags flags,
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DeviceActivityCallback startCb,
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DeviceActivityCallback finishCb,
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DeviceActivityProgressCallback progressCb,
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void *user);
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~DeviceActivity();
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public:
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static HRESULT CreateInstance(DeviceActivityFlags flags,
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DeviceActivityCallback startCb,
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DeviceActivityCallback finishCb,
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DeviceActivityProgressCallback progressCb,
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void *user,
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DeviceActivity **instance);
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public:
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/* Dispatchable */
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size_t AddRef();
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size_t Release();
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int QueryInterface(GUID interface_guid, void **object);
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/* ifc_deviceactivity */
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BOOL GetActive();
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BOOL GetCancelable();
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HRESULT GetProgress(unsigned int *percentCompleted);
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HRESULT GetDisplayName(wchar_t *buffer, size_t bufferMax);
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HRESULT GetStatus(wchar_t *buffer, size_t bufferMax);
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HRESULT Cancel(HWND hostWindow);
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public:
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void Lock();
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void Unlock();
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HRESULT Start(unsigned int duration, unsigned int interval);
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HRESULT Stop();
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HRESULT SetDisplayName(const wchar_t *displayName);
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HRESULT SetStatus(const wchar_t *status);
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HRESULT SetUser(void *data);
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HRESULT GetUser(void **data);
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protected:
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DWORD ActivityThread(unsigned int duration, unsigned int interval);
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friend static DWORD CALLBACK DeviceActivity_ActivityThreadStarter(void *param);
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protected:
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size_t ref;
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DeviceActivityFlags flags;
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DeviceActivityCallback callbackStart;
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DeviceActivityCallback callbackFinish;
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DeviceActivityProgressCallback callbackProgress;
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void *user;
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wchar_t *displayName;
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wchar_t *status;
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HANDLE activityThread;
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HANDLE cancelEvent;
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unsigned int progress;
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CRITICAL_SECTION lock;
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protected:
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RECVS_DISPATCH;
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};
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#endif //_NULLSOFT_WINAMP_GEN_DEVICE_PROVIDER_DEVICE_ACTIVITY_HEADER
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