winamp/Src/Plugins/Library/ml_devices/gen_deviceprovider/deviceActivity.h

91 lines
2.4 KiB
C++

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