Initial community commit

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

@@ -0,0 +1,91 @@
+#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