bookengine.cpp

symbian电话簿引擎的经典例子

/*****************************************************************************
*  Name     : BookEngine.cpp
*  Part of  : 
*  Created  : 
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  : 1.0
*****************************************************************************/
#include <eikenv.h>
#include <e32def.h>
#include <charconv.h>
#include <utf.h>

#include "BookEngine.h"

CBookEngine* CBookEngine::NewL()
{
	CBookEngine* self = CBookEngine::NewLC();
	CleanupStack::Pop();
	return self;
}

CBookEngine* CBookEngine::NewLC()
{
	CBookEngine* self = new(ELeave) CBookEngine;
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
}

void CBookEngine::ConstructL()
{
	m_pPbkContactEngine = CPbkContactEngine::NewL();
}

CBookEngine::~CBookEngine()
{
	MEMORY_FREE(m_pContacts);
	MEMORY_FREE(m_pPbkContactEngine);
}

//根据联系人名字，从名片夹数据库中获取对应电话号码
void CBookEngine::GetMobileNumberByName(const TDesC& aName, TDes& aMobile)
{
	TInt i;
	//打开名片夹数据库
	m_pContacts = CContactDatabase::OpenL();
	const CContactIdArray* contactIDArray = m_pContacts->SortedItemsL();
	TInt nCount (contactIDArray->Count());
	for(i=0; i<nCount; i++)
	{
		TBuf<64> sFullName;
		CContactTextField* textField = NULL;
		//通讯录条目类
		CContactItem* cntItem = m_pContacts->ReadContactLC((*contactIDArray)[i]);
		//域类
		CContactItemFieldSet& cntFieldSet = cntItem->CardFields();
		TInt nTmpIndex = cntFieldSet.Find(KUidContactFieldFamilyName);
		if(nTmpIndex != -1)
		{
			textField = cntFieldSet[nTmpIndex].TextStorage();
			sFullName.Copy(textField->Text());
		}

		nTmpIndex = cntFieldSet.Find(KUidContactFieldGivenName);
		if(nTmpIndex != -1)
		{
			textField = cntFieldSet[nTmpIndex].TextStorage();
			sFullName.Append(textField->Text());
		}
		CleanupStack::PopAndDestroy(cntItem);

		if( sFullName.Compare(aName) == 0 )
		{
			CPbkContactItem* pbkItem = m_pPbkContactEngine->ReadContactLC((*contactIDArray)[i]) ;
			TPbkContactItemField* fld = pbkItem->FindField(EPbkFieldIdPhoneNumberMobile);
			if(fld)
			{
				aMobile.Copy(fld->Text());
			}
			CleanupStack::PopAndDestroy(pbkItem);
			break;
		}
	}
	MEMORY_FREE(m_pContacts);
}

//更新名片夹
void CBookEngine::UpdatePhoneBook(TInt aFlag, RPointerArray<CBookInfo>& aBookInfo)
{
	//打开名片夹数据库
    m_pContacts =CContactDatabase::OpenL();	

	//unicode--->utf8:
	CCnvCharacterSetConverter* converter = CCnvCharacterSetConverter::NewLC();
	converter->PrepareToConvertToOrFromL(KCharacterSetIdentifierUtf8, CEikonEnv::Static()->FsSession());

	if (aFlag == 0)		//从手机读入
	{
		TBuf<256>	  sTmpBuf;
		TInt		    nTmpIndex	= 0;
		CBookInfo*	pBookInfo	= NULL;

		// 先读取手机的contacts 
		// 改为SortedItemsL，即使只写电话簿中的一项，也能读取出来
		const CContactIdArray* contactIDArray = m_pContacts->SortedItemsL();
		for (TInt i=0; i< contactIDArray->Count(); i++)
		{
			sTmpBuf.Zero();
			nTmpIndex = 0;

			pBookInfo = CBookInfo::NewL();
			
			//通讯录条目类
			CContactItem*	 cntItem = m_pContacts->ReadContactLC((*contactIDArray)[i]);
			CPbkContactItem* pbkItem = m_pPbkContactEngine->ReadContactLC((*contactIDArray)[i]);  //为什么要两个？？
			
			//域类
			CContactItemFieldSet& cntFieldSet = cntItem->CardFields();
			TPbkContactItemField* fld = NULL;

			pBookInfo->SetItemID((*contactIDArray)[i]);
			//last name
			nTmpIndex = cntFieldSet.Find(KUidContactFieldFamilyName);
			if (nTmpIndex != -1)
			{
				CContactTextField* textField = cntFieldSet[nTmpIndex].TextStorage();
				pBookInfo->SetLastName(textField->Text());
			}
			//first name
			nTmpIndex = cntFieldSet.Find(KUidContactFieldGivenName);
			if (nTmpIndex != -1)
			{
				CContactTextField* textField = cntFieldSet[nTmpIndex].TextStorage();
				pBookInfo->SetFirstName(textField->Text());
			}
			//固定电话
			fld = pbkItem->FindField(EPbkFieldIdPhoneNumberGeneral);
			sTmpBuf.Zero();
			if (fld)
			{
				fld->GetTextL(sTmpBuf);
				pBookInfo->SetTelephone(sTmpBuf);
			}
			//家庭固定电话

			fld = pbkItem->FindField(EPbkFieldIdPhoneNumberHome);
			sTmpBuf.Zero();
			if (fld)
			{
				fld->GetTextL(sTmpBuf);
				pBookInfo->SetHomeTelephone(sTmpBuf);
			}
			//公司固定电话
			fld = pbkItem->FindField(EPbkFieldIdPhoneNumberWork);
			sTmpBuf.Zero();
			if (fld)
			{
				fld->GetTextL(sTmpBuf);
				pBookInfo->SetBusinessTelephone(sTmpBuf);
			}
			//手机号
			fld = pbkItem->FindField(EPbkFieldIdPhoneNumberMobile);
			sTmpBuf.Zero();
			if (fld)
			{
				fld->GetTextL(sTmpBuf);
				pBookInfo->SetHomeMobileNumber(sTmpBuf);
			}
			aBookInfo.Append(pBookInfo);
			CleanupStack::PopAndDestroy(pbkItem);		//pbkItem
			CleanupStack::PopAndDestroy(cntItem);		//cntItem
		}
	}
	else if (aFlag == 1)//更新列表
	{
		//判断出哪些是新增加的，哪些是修改过的，分别处理：
		for (TInt i=0; i< aBookInfo.Count(); i++)
		{
			CBookInfo* pBookInfo = static_cast<CBookInfo*>(aBookInfo[i]);
			CPbkContactItem* contactItem;  
			if(pBookInfo->GetItemID() == -1)
			{
				//若itemid == -1, 则新增：
				contactItem = m_pPbkContactEngine->CreateEmptyContactL(); 
				CleanupStack::PushL(contactItem);
			}
			else
			{
				//更新:
				TInt nErr=0;
				TRAP(nErr, m_pPbkContactEngine->ReadContactL(pBookInfo->GetItemID()));
				if (nErr == KErrNotFound)
				{
					continue;
				}
				else
				{
					contactItem = m_pPbkContactEngine->OpenContactL(pBookInfo->GetItemID()) ;
					CleanupStack::PushL(contactItem);
				}
			}

			// find the phonenumber field of the contact, and add aCallInfo's telephone number
			TPbkContactItemField* fld = 
			fld = contactItem->FindField(EPbkFieldIdLastName);
			if(fld && (pBookInfo->GetLastName()))
			{
				fld->TextStorage()->SetTextL(pBookInfo->GetLastName()->Des());
			}

			fld = contactItem->FindField(EPbkFieldIdFirstName);
			if(fld && (pBookInfo->GetFirstName()))
			{
				fld->TextStorage()->SetTextL(pBookInfo->GetFirstName()->Des());
			}

			fld = contactItem->FindField(EPbkFieldIdPhoneNumberGeneral);
			if(fld && (pBookInfo->GetTelephone() ) )
			{
				fld->TextStorage()->SetTextL(*(pBookInfo->GetTelephone()));
			}
			
			fld = contactItem->FindField(EPbkFieldIdPhoneNumberHome);
			if(fld && (pBookInfo->GetHomeTelephone()))
			{
				fld->TextStorage()->SetTextL(*(pBookInfo->GetHomeTelephone()));
			}
			
			fld = contactItem->FindField(EPbkFieldIdPhoneNumberWork );
			if(fld && (pBookInfo->GetBusinessTelephone()))
			{
				fld->TextStorage()->SetTextL(*(pBookInfo->GetBusinessTelephone()));
			}

			fld = contactItem->FindField(EPbkFieldIdPhoneNumberMobile);
			if(fld && (pBookInfo->GetHomeMobileNumber()))
			{
				fld->TextStorage()->SetTextL(*(pBookInfo->GetHomeMobileNumber()));
			}
	
			if(pBookInfo->GetItemID()== -1)
			{
				TContactItemId contactId = m_pPbkContactEngine->AddNewContactL(*contactItem);
				pBookInfo->SetItemID(contactId);
			} 
			else
			{
				TInt err=0;
				TRAP(err, m_pPbkContactEngine->CommitContactL(*contactItem, EFalse));
			}
			CleanupStack::PopAndDestroy(contactItem);	//contactItem
		}
		
	}	
	CleanupStack::PopAndDestroy(converter);
	MEMORY_FREE(m_pContacts);
	
}

//从名片夹删除联系人
void CBookEngine::DeleteUserFromBook(TInt aItemID)
{
	//打开名片夹数据库
	m_pContacts = CContactDatabase::OpenL();

	//删除指定ID的联系人
	m_pPbkContactEngine->DeleteContactL(aItemID);
	MEMORY_FREE(m_pContacts);
}


void CBookEngine::HandleDatabaseEventL(TContactDbObserverEvent /*aEvent*/)
{
}

//////////////////////////////////////////////////////////////////////////
//名片夹信息类
/***************************************************************************
*** CBookInfo Startup
***************************************************************************/
CBookInfo* CBookInfo::NewL()
{
	CBookInfo* self = CBookInfo::NewLC();
	CleanupStack::Pop();
	return self;
}

CBookInfo* CBookInfo::NewLC()
{
	CBookInfo* self = new(ELeave) CBookInfo;
	CleanupStack::PushL(self);
	return self;
}

CBookInfo::CBookInfo()
{
	m_nItem_ID			= 0;
	m_sLastName			= NULL;
	m_sFirstName		= NULL;
	m_sTelephone		= NULL;
	m_sHomeTelephone	= NULL;
	m_sBusinessTelephone= NULL;
	m_sHomeMobile		= NULL;
}

CBookInfo::~CBookInfo()
{
	MEMORY_FREE(m_sLastName);
	MEMORY_FREE(m_sFirstName);
	MEMORY_FREE(m_sTelephone);
	MEMORY_FREE(m_sHomeTelephone);
	MEMORY_FREE(m_sBusinessTelephone);
	MEMORY_FREE(m_sHomeMobile);
}

//Last Name
void CBookInfo::SetLastName(const TDesC& aBuf)
{
	MEMORY_FREE(m_sLastName);
	m_sLastName = HBufC::NewL(aBuf.Length());
	m_sLastName->Des().Copy(aBuf);
}

//first name
void CBookInfo::SetFirstName(const TDesC& aBuf)
{
	MEMORY_FREE(m_sFirstName);
	m_sFirstName = HBufC::NewL(aBuf.Length());
	m_sFirstName->Des().Copy(aBuf);
}

//m_sTelephone
void CBookInfo::SetTelephone(const TDesC& aBuf)
{
	MEMORY_FREE(m_sTelephone);
	m_sTelephone = HBufC::NewL(aBuf.Length());
	m_sTelephone->Des().Copy(aBuf);
}

//m_sHomeTelephone
void CBookInfo::SetHomeTelephone(const TDesC& aBuf)
{
	MEMORY_FREE(m_sHomeTelephone);
	m_sHomeTelephone = HBufC::NewL(aBuf.Length());
	m_sHomeTelephone->Des().Copy(aBuf);
}

//m_sBusinessTelephone
void CBookInfo::SetBusinessTelephone(const TDesC& aBuf)
{
	MEMORY_FREE(m_sBusinessTelephone);
	m_sBusinessTelephone = HBufC::NewL(aBuf.Length());
	m_sBusinessTelephone->Des().Copy(aBuf);
}

//m_sHomeMobile
void CBookInfo::SetHomeMobileNumber(const TDesC& aBuf)
{
	MEMORY_FREE(m_sHomeMobile);
	m_sHomeMobile = HBufC::NewL(aBuf.Length());
	m_sHomeMobile->Des().Copy(aBuf);
}