qiqiweatherappui.cpp

手机天气预报系统

/*
 ============================================================================
 Name		: QiQiWeatherAppUi.cpp
 Author	  : Richie Chyi
 Copyright   : Copyright?2008
 Description : CQiQiWeatherAppUi implementation
 ============================================================================
 */

// INCLUDE FILES
#include <avkon.hrh>
#include <aknmessagequerydialog.h>
#include <aknnotewrappers.h>
#include <stringloader.h>
#include <f32file.h>
#include <s32file.h>
#include <hlplch.h>
#include <aknnavide.h> // For CAknNavigationDecorator
#include <BARSREAD.H> // For TResourceReader
#include <eikspane.h> // For CEikStatusPane
#include <aknnavi.h> // For CAknNavigationControlContainer
#include <akntabgrp.h> // For CAknTabGroup
#include <APGTASK.H> // For TApaTaskList

#include <QiQiWeather_0xE6E51F33.rsg>

#include "QiQiWeather_0xE6E51F33.hlp.hrh"
#include "QiQiWeather.hrh"
#include "QiQiWeather.pan"
#include "QiQiWeatherApplication.h"
#include "QiQiWeatherAppUi.h"
#include "QiQiWeatherAppView.h"
#include "WeatherShow.h"
#include "SettingDlg.h"
#include "Setting.h"

_LIT(KFileName, "C:\\private\\E6E51F33\\QiQiWeather.txt");
_LIT(KText, "Hello World!");

// ============================ MEMBER FUNCTIONS ===============================


// -----------------------------------------------------------------------------
// CQiQiWeatherAppUi::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CQiQiWeatherAppUi::ConstructL()
	{
	// Initialise app UI with standard value.
	BaseConstructL(CAknAppUi::EAknEnableSkin);
	//SetHidden(ETrue);
	//CEikonEnv::Static()->RootWin().SetOrdinalPosition(0, ECoeWinPriorityNeverAtFront);
	
	// Create view object
	iAppView = CQiQiWeatherAppView::NewL(this, ClientRect() );
	
	iPeriodic = CPeriodic::NewL(CActive::EPriorityStandard);
	iPeriodic->Start(TTimeIntervalMicroSeconds32(KDelay),
				TTimeIntervalMicroSeconds32(KInterval),
				TCallBack(CQiQiWeatherAppUi::ShowWeatherInfoL, this));
	
	// Create Setting file
	CSetting* setting = CSetting::NewLC();
	// 设置默认值
	if (!setting->IsSaved())
		{
		// 根据当前时间设定特定值，保证第一次运行程序时，立马预报天气
		TTime currentTime;
		currentTime.HomeTime();
		TDateTime dateTime = currentTime.DateTime();
		
		setting->SetCityIndex(0);
		setting->SetHour(dateTime.Hour());
		setting->SetMinute(dateTime.Minute() - 10); // 设定当前时间前十秒
		
		setting->SaveToFileL();
		}
	CleanupStack::PopAndDestroy(setting);
	
	// Create Pane Tabs
	TUid naviPaneUid;
	naviPaneUid.iUid = EEikStatusPaneUidNavi;

	CEikStatusPane* statusPane = StatusPane();

	CEikStatusPaneBase::TPaneCapabilities subPane =
	statusPane->PaneCapabilities(naviPaneUid);

	// if we can access the navigation pane
	if (subPane.IsPresent() && subPane.IsAppOwned())
		{

		CAknNavigationControlContainer* naviPane =
		(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

		// read the tab group resource
		TResourceReader reader;
		iCoeEnv->CreateResourceReaderLC(reader, R_NAVIGATIONPANE_TABGROUP);

		if (iNaviDecorator)
			{
			delete iNaviDecorator;
			iNaviDecorator = NULL;
			}

		// set the navigation pane tab group
		iNaviDecorator = naviPane->CreateTabGroupL(reader);
		CleanupStack::PopAndDestroy(); // pushed by CreateResourceReaderLC
		naviPane->PushL(*iNaviDecorator);
		}

	// Create a file to write the text to
	TInt err = CCoeEnv::Static()->FsSession().MkDirAll(KFileName);
	if ( (KErrNone != err) && (KErrAlreadyExists != err))
		{
		return;
		}

	RFile file;
	err = file.Replace(CCoeEnv::Static()->FsSession(), KFileName, EFileWrite);
	CleanupClosePushL(file);
	if (KErrNone != err)
		{
		CleanupStack::PopAndDestroy(1); // file
		return;
		}

	RFileWriteStream outputFileStream(file);
	CleanupClosePushL(outputFileStream);
	outputFileStream << KText;

	CleanupStack::PopAndDestroy(2); // outputFileStream, file

	}
// -----------------------------------------------------------------------------
// CQiQiWeatherAppUi::CQiQiWeatherAppUi()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CQiQiWeatherAppUi::CQiQiWeatherAppUi()
:iNaviDecorator(NULL), iCurrentTabIndex(0)
	{
	// No implementation required
	}

// -----------------------------------------------------------------------------
// CQiQiWeatherAppUi::~CQiQiWeatherAppUi()
// Destructor.
// -----------------------------------------------------------------------------
//
CQiQiWeatherAppUi::~CQiQiWeatherAppUi()
	{
	if (iAppView)
		{
		delete iAppView;
		iAppView = NULL;
		}
	
	if(iPeriodic->IsActive())
		{
		iPeriodic->Cancel();
		}
	delete iPeriodic;
	iPeriodic = NULL;
		
	if (iNaviDecorator)
		{
		delete iNaviDecorator;
		iNaviDecorator = NULL;
		}
	
	iWeatherDetails.Reset();
	}

// -----------------------------------------------------------------------------
// CQiQiWeatherAppUi::HandleCommandL()
// Takes care of command handling.
// -----------------------------------------------------------------------------
//
void CQiQiWeatherAppUi::HandleCommandL(TInt aCommand)
	{
	switch (aCommand)
		{
		case ESetting:
			{
			if (CSettingDlg::RunDlgLD())
				{
				// TODO:...
				}
			}
			break;
		case EEikCmdExit:
		case EAknSoftkeyExit:
			Exit();
			SetHidden(ETrue);
			//CEikonEnv::Static()->RootWin().SetOrdinalPosition(0, ECoeWinPriorityNeverAtFront);
			break;
		case EHelp:
			{
			CArrayFix<TCoeHelpContext>* buf = CCoeAppUi::AppHelpContextL();
			HlpLauncher::LaunchHelpApplicationL(iEikonEnv->WsSession(), buf);
			}
			break;
		case EAbout:
			{
			CAknMessageQueryDialog* dlg = new (ELeave)CAknMessageQueryDialog();
			dlg->PrepareLC(R_ABOUT_QUERY_DIALOG);
			HBufC* title = iEikonEnv->AllocReadResourceLC(R_ABOUT_DIALOG_TITLE);
			dlg->QueryHeading()->SetTextL(*title);
			CleanupStack::PopAndDestroy(); //title
			HBufC* msg = iEikonEnv->AllocReadResourceLC(R_ABOUT_DIALOG_TEXT);
			dlg->SetMessageTextL(*msg);
			CleanupStack::PopAndDestroy(); //msg
			dlg->RunLD();
			}
			break;
		case EHidden:
			{
			//SetHidden(ETrue);
			//CEikonEnv::Static()->RootWin().SetOrdinalPosition(0, ECoeWinPriorityNeverAtFront);
			
			// 使用上面的隐藏，再点击图标后，会创建一个新进程实例，而不是将已存在进程调至前台
			TApaTask task(CEikonEnv::Static()->WsSession());
			task.SetWgId(CEikonEnv::Static()->RootWin().Identifier());
			task.SendToBackground();
			}
			break;
		case ERefresh:
			{
			CWeatherShow* weatherShow = CWeatherShow::NewLC();
			weatherShow->ShowWeatherL();
			CleanupStack::PopAndDestroy(weatherShow);
			}
			break;
		default:
			Panic(EQiQiWeatherUi);
			break;
		}
	}
// -----------------------------------------------------------------------------
//  Called by the framework when the application status pane
//  size is changed.  Passes the new client rectangle to the
//  AppView
// -----------------------------------------------------------------------------
//
void CQiQiWeatherAppUi::HandleStatusPaneSizeChange()
	{
	iAppView->SetRect(ClientRect() );
	}

CArrayFix<TCoeHelpContext>* CQiQiWeatherAppUi::HelpContextL() const
	{
#warning "Please see comment about help and UID3..."
	// Note: Help will not work if the application uid3 is not in the
	// protected range.  The default uid3 range for projects created
	// from this template (0xE0000000 - 0xEFFFFFFF) are not in the protected range so that they
	// can be self signed and installed on the device during testing.
	// Once you get your official uid3 from Symbian Ltd. and find/replace
	// all occurrences of uid3 in your project, the context help will
	// work.
	CArrayFixFlat<TCoeHelpContext>* array = new(ELeave)CArrayFixFlat<TCoeHelpContext>(1);
	CleanupStack::PushL(array);
	array->AppendL(TCoeHelpContext(KUidQiQiWeatherApp, KGeneral_Information));
	CleanupStack::Pop(array);
	return array;
	}

TKeyResponse CQiQiWeatherAppUi::HandleKeyEventL(const TKeyEvent& aKeyEvent,
		TEventCode aType)
	{
	CAknNavigationDecorator* navi = iNaviDecorator;
	// if we haven't already got a navigation decorator, then try to get current one
	if (navi == NULL)
		{
		TUid naviPaneUid;
		naviPaneUid.iUid = EEikStatusPaneUidNavi;

		CEikStatusPane* statusPane = StatusPane();

		CAknNavigationControlContainer* naviPane =
						(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

		navi = naviPane->Top();
		}

	if (navi == NULL)
		{
		return EKeyWasNotConsumed;
		}

	CAknTabGroup* tabGroup = (CAknTabGroup*) navi->DecoratedControl();

	if (tabGroup == NULL)
		{
		return EKeyWasNotConsumed;
		}
	
	// 更新TabIndex
	switch (aKeyEvent.iCode)
		{
		case EKeyLeftArrow:
			{
			if (0 < iCurrentTabIndex)
				{
				--iCurrentTabIndex;
				}
			}
			break;
		case EKeyRightArrow:
			{
			if (KTabCount - 1 > iCurrentTabIndex)
				{
				++iCurrentTabIndex;
				}
			}
			break;
		default:
			break;
		}
	
	// 更新天气详情
	if (aType == EEventKeyUp) // 只需更新一次
		{
		iAppView->UpdateWeather(iCurrentTabIndex);
		}
	
	// if we've got a tab group, then offer the key event to it.
	return tabGroup->OfferKeyEventL(aKeyEvent, aType);
	}

TInt CQiQiWeatherAppUi::ShowWeatherInfoL(TAny* /*aArgument*/)
	{
	TTime currentTime;
	currentTime.HomeTime();
	TDateTime dateTime = currentTime.DateTime();
	
	CSetting* setting = CSetting::NewLC();
	setting->ReadFromFileL();
	
	// 以分钟数为参照进行对比
	TInt minutes = setting->Hour()*60 + setting->Minute();
	TInt currentMinutes = dateTime.Hour()*60 + dateTime.Minute();
	
	// 当前时间超过设定时间，且两者时间差不超过Interval
	if (minutes < currentMinutes
			&& KInterval/(60*1000000) > (currentMinutes - minutes))
		{
		CQiQiWeatherAppUi* appui = 
			static_cast<CQiQiWeatherAppUi*>(CEikonEnv::Static()->AppUi());
		if (appui)
			{
			CEikonEnv::Static()->RootWin().SetOrdinalPosition(0, ECoeWinPriorityNormal);
			appui->SetHidden(EFalse);
			}
		
		CWeatherShow* weatherShow = CWeatherShow::NewLC();
		weatherShow->ShowWeatherL();
		CleanupStack::PopAndDestroy(weatherShow);
		}
		
	return 0;
	}

void CQiQiWeatherAppUi::UpdataWeather()
	{
	// 更新天气详情
	iAppView->UpdateWeather(iCurrentTabIndex);
	
	// 更新Tab显示文本
	UpdateTabText();
	}

void CQiQiWeatherAppUi::UpdateTabText()
	{
	CAknTabGroup* tabgroup = 
		static_cast<CAknTabGroup*>(iNaviDecorator->DecoratedControl());
	if (tabgroup)
		{
		for (TInt i = 0; i < tabgroup->TabCount(); ++i)
			{
			tabgroup->ReplaceTabTextL(tabgroup->TabIdFromIndex(i), 
					iWeatherDetails[i].iDayOfWeek);
			}
		}
	}

/*
 * 隐藏界面
 */
void CQiQiWeatherAppUi::SetHidden(TBool aHide)
	{
	HideApplicationFromFSW(aHide);
	}
// End of File