signedapp.cpp

来自「《UIQ 3 The Complete Guide》书的源代码」· C++ 代码 · 共 528 行 · 第 1/2 页

// Load the INI file - all our settings etc
// This code simply implements the framework for INI file loading. 
// If the INI file does not exist or the specific stream is missing this code handles it by
// ignoring the 'error'. This is entirely reasonable since this may be the first time the app
// has ever been run. 
//
	{
	TRAPD(err,
		CEikApplication* app=(CEikApplication*)Document()->Application();
		CDictionaryStore* iniFile=app->OpenIniFileLC(iEikonEnv->FsSession());
		if (iniFile->IsPresentL(KUidIniFilePrefs))
			{
			RDictionaryReadStream readStream;
			readStream.OpenLC(*iniFile,KUidIniFilePrefs);
			TInt version=readStream.ReadUint8L();

			LoadIniFilePreferencesL(version,readStream);

			CleanupStack::PopAndDestroy(); // readStream
			}
		CleanupStack::PopAndDestroy(); // iniFile
		);
	}

void CAppSpecificUi::SaveIniFileL(const TInt aVersion)
//
// Save the INI file - all our settings etc. Notice we dont actually need to supply any file name
// location, the framework automatically determines that from our application name and private path.
// 
    {
	CEikApplication* app=(CEikApplication*)Document()->Application();
	CDictionaryStore* iniFile=app->OpenIniFileLC(iEikonEnv->FsSession());
	RDictionaryWriteStream writeStream;
	writeStream.AssignLC(*iniFile,KUidIniFilePrefs);

	// version
	writeStream.WriteUint8L(aVersion);

	// now all the content
	SaveIniFilePreferencesL(writeStream);

	writeStream.CommitL();
	CleanupStack::PopAndDestroy(); // writeStream
	iniFile->CommitL();
	CleanupStack::PopAndDestroy(iniFile);
    }

void CAppSpecificUi::HandleCommandL(TInt aCommand)
//
// If we have commands common across all Views we can implement them here
//
	{
	switch (aCommand)
		{
	case EAppCmdAbout:
		(new(ELeave)CAboutDialog)->ExecuteLD(R_ABOUT_DIALOG);
		break;

	case EAppCmdRegister:
		{
		TInt code;
		if ((new(ELeave)CRegistrationDialog(code,iPhoneImei))->ExecuteLD(R_REGISTER_DIALOG)==EAppCmdContinue)
			{
			// our registration scheme for this app is very simple - the last 5 digits of the
			// IMEI need to match the number entered by the user. 
			TBuf<32>bb;
			bb.Num(code);
			if (bb.Length()!=5 || bb!=iPhoneImei.Right(5))
				iEikonEnv->InfoWinL(R_STR_REG_FAILED_TITLE,R_STR_REG_FAILED_INFO);
			else
				{ // save the number the user entered. Give some +ve feedback that the registration
				// code is correct.
				iRegistrationCode=code;
				iEikonEnv->InfoMsg(R_STR_REGISTERED);
				}
			}
		break;
		}

	// in debug modes we have an exit command so we can easily exit app
	// on real devices we are sent EEikCmdExit when the Task Manager has been requested to
	// end the running application. 
	// If we 'leave' when handling this command the Task Manager cannot 'End' this app
	case EEikCmdExit:

		// On emul this causes a spurious CBase 65 panic...
		
		// It is recommended this is periodically disabled (comment out) to check that your
		// app is not leaking resources (resulting in ALLOC heaven or perhaps CONE 8 panics)
		// when the app is exited.
		TRAPD(junk,SaveIniFileL(KIniFileStreamVersion));

		Exit();
		break;

	default:
		break;
		}
	}
	
void CAppSpecificUi::ConstructL()
//
// Normal primary entry point to a Symbian App
//
	{
	CQikAppUi::ConstructL();

#ifdef __WINS__
	_LIT(KPhoneImei,"98765-12345");
	iPhoneImei=KPhoneImei;
#else
	// set up and start the active object that obtains the phones IMEI
	CGetPhoneIMEI* imei=new(ELeave)CGetPhoneIMEI(*this);
	CleanupStack::PushL(imei);
	imei->ConstructL();
	// the CGetPhoneIMEI object will delete itself when it completes (self-ownership !)
	CleanupStack::Pop(imei);
#endif

	// create and set-up our engine - typically responsble for supplying data the UI renders
	iEngine=new(ELeave)CAppEngine(iEikonEnv->FsSession(),EQikCmdZoomLevel2);
	iEngine->ConstructL();

	// Setup the default category list
	TBuf<KCategoryNameMaxLength> bb;
	for (TInt i=0;i<EAppCategoryLastItem;i++)
		{
		iEikonEnv->ReadResourceL(bb,R_STR_CATEGORY_NAME_1+i);
		iEngine->AddCategoryL(i,bb);
		}

	// Locate our private path - were our example files have been installed to
	// Private Path is too stupid to report the drive were on... so we have to do that manually.
	TFileName installedDrive(Application()->BitmapStoreName());
	TFileName path;
	iEikonEnv->FsSession().PrivatePath(path);
	TParse parse;
	parse.Set(path,&installedDrive,NULL);
#ifdef __WINS__
	// not unreasonably the OS blocks us creating files in Rom filing system...
	// however that is where it thinks we are currently running/installed to in the emulator
	// so we need to fix that feature.
	path=parse.FullName();
	path[0]='C';
	parse.Set(path,NULL,NULL);
#endif

	// this is only here for the emulator - since it does not create our private data caged folder by default
	// or put the example data files in that folder
	TRAPD(err,iEngine->SetDefaultPathL(parse.DriveAndPath()));
	if (err==KErrNotFound || err==KErrPathNotFound)
		{
		iEikonEnv->InfoWinL(R_STR_NO_EXAMPLE_FILES,R_STR_PLEASE_COPY_FILES);
		}
	User::LeaveIfError(err);

	// override any default settings with those stored from the previous time we ran the application
	LoadIniFile();

	// now create our views on the engine data
	CListView* list=new(ELeave)CListView(*this,iEngine);
	CleanupStack::PushL(list);
	list->ConstructL();
	AddViewL(*list);	// takes ownership
	CleanupStack::Pop(list);

	CDetailsView* details=new(ELeave)CDetailsView(*this,iEngine);
	CleanupStack::PushL(details);
	details->ConstructL();
	AddViewL(*details);	// takes ownership
	CleanupStack::Pop(details);

	CAudioRecordView* audioRecord=new(ELeave)CAudioRecordView(*this,iEngine);
	CleanupStack::PushL(audioRecord);
	audioRecord->ConstructL();
	AddViewL(*audioRecord);	// takes ownership
	CleanupStack::Pop(audioRecord);

	CImageConversionView* imageConv=new(ELeave)CImageConversionView(*this,iEngine);
	CleanupStack::PushL(imageConv);
	imageConv->ConstructL();
	AddViewL(*imageConv);	// takes ownership
	CleanupStack::Pop(imageConv);

	CVideoPlaybackView* videoPlayer=new(ELeave)CVideoPlaybackView(*this,iEngine);
	CleanupStack::PushL(videoPlayer);
	videoPlayer->ConstructL();
	AddViewL(*videoPlayer);	// takes ownership
	CleanupStack::Pop(videoPlayer);

	CCameraView* camera=new(ELeave)CCameraView(*this,iEngine);
	CleanupStack::PushL(camera);
	camera->ConstructL();
	AddViewL(*camera);	// takes ownership
	CleanupStack::Pop(camera);

	// Only required to be display on first time start up.
	if (!iDisplayedPrivacyStatement)
		{
		new(ELeave)CSymbianSignedPrivacyDialogDisplayer; // takes ownership of itself
		iDisplayedPrivacyStatement=TRUE;
		}
	}

/////////////////////////////////////////////////////////////////////////////////////////////
// Standard Symbian application framework code when creating an application
class CAppSpecificDocument : public CQikDocument
	{
protected:
	CQikAppUi* CreateAppUiL();
public:
    CAppSpecificDocument(CQikApplication& aApp);
	static CAppSpecificDocument* NewL(CQikApplication& aApp);
protected:
	};

CAppSpecificDocument::CAppSpecificDocument(CQikApplication& aApp) :
	CQikDocument(aApp)
	{
	__DECLARE_NAME(_S("CAppSpecificDocument"));
	}

CAppSpecificDocument* CAppSpecificDocument::NewL(CQikApplication& aApp)
	{
	return(new(ELeave)CAppSpecificDocument(aApp));
	}

CQikAppUi* CAppSpecificDocument::CreateAppUiL()
	{
	return(new(ELeave)CAppSpecificUi);
	}

//////////////////////////////////////////////////////////////////////////////////
// Standard Symbian application framework code when creating an application
class CAppSpecificApplication : public CQikApplication
	{
protected:
	TUid AppDllUid() const;
	CApaDocument* CreateDocumentL();
	}; 

TUid CAppSpecificApplication::AppDllUid() const
    {
    return(KAppSpecificUid);
    }

CApaDocument* CAppSpecificApplication::CreateDocumentL()
    {
    return(CAppSpecificDocument::NewL(*this));
    }

//////////////////////////////////////////////////////////////////////////////////
// Standard Symbian application start up code
LOCAL_C CApaApplication* NewApplication()
    {
    return(new CAppSpecificApplication);
    }

GLDEF_C TInt E32Main()
	{
	return(EikStart::RunApplication(NewApplication));
	}