www.pudn.com > Bluetooth_PMP_Example_v1_0.zip > DeviceDiscoverer.h

/* 
* ============================================================================ 
*  Name     : CDeviceDiscoverer from DeviceDiscoverer.h 
*  Part of  : BluetoothPMPExample 
*  Created  : 14.01.2004 by Forum Nokia 
*  Description: 
*     Declares device discoverer for application 
*  Version  : 
*  Copyright: Nokia Corporation 
* ============================================================================ 
*/ 
 
#ifndef DEVICEDISCOVERER_H 
#define DEVICEDISCOVERER_H 
 
// INCLUDES 
#include  
#include   
 
#include  
#include  
#include  
#include  
#include  
 
#include "Common.h" 
 
 
class MDeviceDiscoObserver 
{ 
 
public: 
/*! 
 * HandleDeviceDiscoveryCompleteL() 
 * 
 * discussion Observer interface for handling device discovery complete event. 
 */	 
	virtual void HandleDeviceDiscoveryCompleteL()=0; 
}; 
 
 
class CDeviceDiscoverer : public CActive 
{ 
public: 
      
/*! 
 * NewL() 
 *  
 * discussion Create new CDeviceDiscoverer object 
 * return a pointer to the created instance of CDeviceDiscoverer 
 */ 
	static CDeviceDiscoverer* NewL(RSocketServ *aSocketServ, 
		MDeviceDiscoObserver *aObserver); 
		 
/*! 
 * NewLC() 
 *  
 */ 
	static CDeviceDiscoverer* NewLC(RSocketServ *aSocketServ, 
		MDeviceDiscoObserver *aObserver); 
 
/*! 
 * ~CDeviceDiscoverer() 
 * 
 * discussion Destroy the object and release all memory objects 
 */ 
	~CDeviceDiscoverer(); 
 
/*! 
 * DiscoverDevicesL() 
 * 
 * discussion Discovers remote bluetooth devices within range. 
 * 
 * param aDevDataList device data list where the found devices will be placed. 
 */ 
	void DiscoverDevicesL(TDeviceDataList *aDevDataList); 
 
/*! 
 * HasDevices() 
 * 
 * discussion any devices discovered? 
 * 
 * return true if any devices were discovered. 
 */ 
	TBool HasDevices(); 
 
/*! 
 * HandleDeviceDiscoveryCompleteL() 
 * 
 * discussion Handles the device discovery completed event.  the handling  
 * request will be passed onto handling observer. 
 */ 
	void HandleDeviceDiscoveryCompleteL(); 
 
 
protected: 
 
/*! 
 * RunL() 
 * 
 * discussion Handle the active objects request completion. 
 */ 
	void RunL(); 
 
/*! 
 * DoCancel() 
 * 
 * discussion Cancels the outstanding request on active object. 
 */ 
	void DoCancel(); 
 
 
private: 
 
/*! 
 * CDeviceDiscoverer() 
 * 
 * discussion Perform the first phase of two phase construction  
 * 
 * param aSocketServ reference to socket server 
 */ 
	CDeviceDiscoverer(RSocketServ *aSocketServ, 
		MDeviceDiscoObserver *aObserver); 
 
/*! 
 * ConstructL() 
 * 
 */ 
	void ConstructL(); 
 
public:	// data 
 
	// socket server handle 
    RSocketServ *iSocketServ;	 
	// number of devices discovered 
	TInt iDiscoveredDeviceCount; 
 
private: 
 
	// observer reference 
	MDeviceDiscoObserver *iObserver; 
	// device data list, to be filled by resolver results 
	TDeviceDataList *iDevDataList; 
	// host resolver 
	RHostResolver iResolver; 
	TInquirySockAddr iAddr; 
	TNameEntry iEntry; 
 
}; 
 
#endif