MidnightMonitor

/* ============================================================================ Name : MidnightMonitorAppUi.cpp Author : windcao Copyright : 2008 Description : CMidnightMonitorAppUi 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 <MidnightMonitor_0xED4BAA38.rsg> #include "MidnightMonitor_0xED4BAA38.hlp.hrh" #include "MidnightMonitor.hrh" #include "MidnightMonitor.pan" #include "MidnightMonitorApplication.h" #include "MidnightMonitorAppUi.h" #include "MidnightMonitorAppView.h" #include <BACNTF.H> #include <e32std.h> _LIT(KFileName, "C:\\private\\ED4BAA38\\MidnightMonitor.txt"); _LIT(KText, "Hello World!"); // ============================ MEMBER FUNCTIONS =============================== TInt CallBackFunction(TAny* aFunction) { return ((CMidnightMonitorAppUi*)aFunction)->ChangeL(); } // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::ConstructL() // Symbian 2nd phase constructor can leave. // ----------------------------------------------------------------------------- // void CMidnightMonitorAppUi::ConstructL() { // Initialise app UI with standard value. BaseConstructL(CAknAppUi::EAknEnableSkin); // Create view object iAppView = CMidnightMonitorAppView::NewL(ClientRect() ); // 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 iCallBack = new (ELeave)TCallBack(CallBackFunction, this); iChangeNotifier = CEnvironmentChangeNotifier::NewL(CActive::EPriorityHigh, *iCallBack); iChangeNotifier->Start(); } // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::CMidnightMonitorAppUi() // C++ default constructor can NOT contain any code, that might leave. // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::CMidnightMonitorAppUi() { // No implementation required } // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::~CMidnightMonitorAppUi() // Destructor. // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::~CMidnightMonitorAppUi() { if (iAppView) { delete iAppView; iAppView = NULL; } if (iChangeNotifier) { iChangeNotifier->Cancel(); delete iChangeNotifier; } delete iCallBack; } TInt CMidnightMonitorAppUi::ChangeL() { TInt change = iChangeNotifier->Change(); if (change==127)//当iChangeNotifier 启动的时候绘产生一次回掉此时change为127 { return -1; } if (change & EChangesLocale) { // Locale change, do something CAknInformationNote* informationNote; informationNote = new ( ELeave ) CAknInformationNote; // Show the information Note informationNote->ExecuteLD( _L("Locale change")); } if (change & EChangesMidnightCrossover) { // Midnight crossover, do something CAknInformationNote* informationNote; informationNote = new ( ELeave ) CAknInformationNote; // Show the information Note informationNote->ExecuteLD( _L("Midnight")); } if (change & EChangesThreadDeath) { // Thread death, do something // CAknInformationNote* informationNote; // informationNote = new ( ELeave ) CAknInformationNote; // // Show the information Note // informationNote->ExecuteLD( _L("EChangesThreadDeath")); } if (change & EChangesPowerStatus) { // Power status change, do something CAknInformationNote* informationNote; informationNote = new ( ELeave ) CAknInformationNote; // Show the information Note informationNote->ExecuteLD( _L("EChangesPowerStatus")); } if (change & EChangesSystemTime) { // System status change, do something CAknInformationNote* informationNote; informationNote = new ( ELeave ) CAknInformationNote; // Show the information Note informationNote->ExecuteLD( _L("EChangesSystemTime")); } return 1; } // ----------------------------------------------------------------------------- // CMidnightMonitorAppUi::HandleCommandL() // Takes care of command handling. // ----------------------------------------------------------------------------- // void CMidnightMonitorAppUi::HandleCommandL(TInt aCommand) { switch (aCommand) { case EEikCmdExit: case EAknSoftkeyExit: Exit(); break; case ECommand1: { } break; case ECommand2: { RFile rFile; //Open file where the stream text is User::LeaveIfError(rFile.Open(CCoeEnv::Static()->FsSession(), KFileName, EFileStreamText));//EFileShareReadersOnly));// EFileStreamText)); CleanupClosePushL(rFile); // copy stream from file to RFileStream object RFileReadStream inputFileStream(rFile); CleanupClosePushL(inputFileStream); // HBufC descriptor is created from the RFileStream object. HBufC* fileData = HBufC::NewLC(inputFileStream, 32); CAknInformationNote* informationNote; informationNote = new ( ELeave ) CAknInformationNote; // Show the information Note informationNote->ExecuteLD( *fileData); // Pop loaded resources from the cleanup stack CleanupStack::PopAndDestroy(3); // filedata, inputFileStream, rFile } 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; default: Panic(EMidnightMonitorUi); break; } } // ----------------------------------------------------------------------------- // Called by the framework when the application status pane // size is changed. Passes the new client rectangle to the // AppView // ----------------------------------------------------------------------------- // void CMidnightMonitorAppUi::HandleStatusPaneSizeChange() { iAppView->SetRect(ClientRect() ); } CArrayFix<TCoeHelpContext>* CMidnightMonitorAppUi::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(KUidMidnightMonitorApp, KGeneral_Information)); CleanupStack::Pop(array); return array; } // End of File