chxavmessagedialog.cpp
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:10k
源码类别:
Symbian
开发平台:
Visual C++
- /*****************************************************************************
- * chxavmessagedialog.cpp
- * ----------------------
- *
- * Synopsis:
- * Contains the declaration of the CHXAvMessageDialog. It's used to encapsulate
- * nicely the diffent dialogs and warning boxes, requiring input or yes/no/cancel.
- *
- * Target:
- * Symbian OS
- *
- *
- * (c) 1995-2003 RealNetworks, Inc. Patents pending. All rights reserved.
- *
- *****************************************************************************/
- // Symbian includes...
- #include <eikdialg.h>
- #include <aknglobalnote.h>
- #include <aknnotedialog.h>
- #include <aknnotewrappers.h>
- #include <aknquerydialog.h>
- #include <errorui.h>
- #include <aknprogressdialog.h>
- #include <aknmessagequerydialog.h>
- // Helix includes...
- #include "hxstring.h"
- #include "hlxosstr.h"
- // Includes from this project...
- #include "chxavmisc.h"
- #include "chxavfileutil.h"
- #include "chxavcleanstring.h"
- #include "chxavmessagedialog.h"
- #include "chxavcleanupstack.h"
- #include "chxavmessagedialog.h"
- #include "realplayer.rsg"
- #include "realplayer.hrh"
- #include "chxavutil.h"
- // Local functions...
- namespace
- {
- void SetInfoCbaHelper(CEikDialog* pDlg, CHXAvMessageDialog::InfoPromptType type)
- {
- // possibly reset cba
- CEikButtonGroupContainer& cba = pDlg->ButtonGroupContainer();
- switch(type)
- {
- case CHXAvMessageDialog::PromptOk:
- // use our own so ok is on right side like others
- cba.SetCommandSetL(R_AVP_SOFTKEYS_OK);
- break;
- case CHXAvMessageDialog::PromptCancel:
- cba.SetCommandSetL(R_AVKON_SOFTKEYS_CANCEL);
- break;
- case CHXAvMessageDialog::PromptBack:
- cba.SetCommandSetL(R_AVKON_SOFTKEYS_BACK);
- break;
- case CHXAvMessageDialog::PromptClose:
- cba.SetCommandSetL(R_AVKON_SOFTKEYS_CLOSE);
- break;
- }
- }
- void DoAlertHelperLD(CAknResourceNoteDialog* pDlg,
- const TDesC& text,
- CAknNoteDialog::TTimeout timeout,
- CAknNoteDialog::TTone tone)
- {
- pDlg->SetTimeout(timeout);
- pDlg->SetTone(tone);
- pDlg->ExecuteLD(text);
- }
- } // locals
- template<typename BaseClass>
- void CHXAvNoteWrapper<BaseClass>::PostLayoutDynInitL()
- {
- BaseClass::PostLayoutDynInitL();
- if(m_bAddCloseButton)
- {
- // show close button so user knows he can cancel
- SetInfoCbaHelper(this, CHXAvMessageDialog::PromptClose);
- }
- }
- void CHXAvMessageDialog::DoAlertConfirmL(const TDesC& text,
- bool bModal,
- CAknNoteDialog::TTimeout timeout,
- CAknNoteDialog::TTone tone)
- {
- CAknConfirmationNote* pDlg = new (ELeave) CHXAvNoteWrapper<CAknConfirmationNote>(bModal, CAknNoteDialog::ENoTimeout == timeout);
- DoAlertHelperLD(pDlg, text, timeout, tone);
- }
- HBufC* CHXAvMessageDialog::DoQueryTextL(const TDesC& prompt, const TDesC& defaultText, TUint cchMax)
- {
- HBufC* pBuff = HBufC::NewL(cchMax);
- AUTO_PUSH_POP(pBuff); // out
- //
- // this handles case where defaultText > max (i.e., edit box is
- // initialized with a string that is longer than what user is supposed
- // to be able to enter)
- //
- TUint cchMaxCopy = min( TUint(defaultText.Length()), cchMax);
- // copy default text to appear in edit box
- TPtr ptr = pBuff->Des();
- ptr.Copy(defaultText.Ptr(), cchMaxCopy);
- // in case filename has weird non-printable characters
- CHXAvMisc::MakeDisplayFriendly(ptr);
- TPtrC ptrPrompt(prompt);
- CAknTextQueryDialog* pDlg = new (ELeave) CAknTextQueryDialog(ptr, ptrPrompt);
- pDlg->PrepareLC(R_AVP_QUERY_TEXT_DIALOG);
- pDlg->SetMaxLength(cchMax);
- // default to lower case text entry mode (see AVKON EDWIN CONSTANTS in uikon.hrh)
- CAknQueryControl* pQuery = static_cast<CAknQueryControl*>(pDlg->ControlOrNull(EGeneralQuery));
- CEikEdwin* pEd = static_cast<CEikEdwin*>(pQuery->ControlByLayoutOrNull(EDataLayout));
- pEd->SetAknEditorCase(EAknEditorLowerCase);
- TInt res = pDlg->RunLD();
- if(0 == res)
- {
- // user canceled
- HX_DELETE(pBuff);
- }
- // user entered something
- return pBuff;
- }
- ////////////////////////////////////////////
- //
- // ask for a filename (until user supplies a valid
- // name or cancels)
- //
- // return 0 if user cancels
- //
- TFileName* CHXAvMessageDialog::GetFileNameFromUserL(const TDesC& prompt,
- const TDesC& oldName,
- TUint32 cchMaxName)
- {
- HX_ASSERT(cchMaxName <= KMaxFileName);
- HX_ASSERT(cchMaxName > 0);
- TPtrC ptrPrompt(prompt);
- TFileName* pNameOut = new (ELeave) TFileName;
- AUTO_PUSH_POP(pNameOut); // out
- pNameOut->Copy(oldName);
- bool bNeedToPrompt = true;
- while(bNeedToPrompt)
- {
- HBufC* pbuff = CHXAvMessageDialog::DoQueryTextL(ptrPrompt, *pNameOut, cchMaxName);
- if( pbuff )
- {
- AUTO_PUSH_POP_DEL(pbuff);
- pNameOut->Copy(*pbuff);
- // check that name is valid
- CHXAvFile::FileNameValidity validity = CHXAvFile::GetFileNameValidity(*pNameOut);
- switch( validity )
- {
- case CHXAvFile::nvValid:
- // good name!
- bNeedToPrompt = false;
- break;
- case CHXAvFile::nvInvalidIllegalChars:
- // 'name can't contain certain chars'
- DoAlertInfoL(CHXAvCleanString(R_ERR_INVALID_FILENAME_CHARS)());
- break;
- case CHXAvFile::nvTooLong:
- // user should be prevented from entering this via cchMaxName above
- HX_ASSERT(false);
- // fall through...
- case CHXAvFile::nvInvalidDots:
- default:
- // 'unsuitable filename'
- DoAlertInfoL(CHXAvCleanString(R_ERR_INVALID_FILENAME_BAD)());
- break;
- }
- }
- else
- {
- // cancel out
- HX_DELETE(pNameOut);
- bNeedToPrompt = false;
- }
- }
- return pNameOut;
- }
- void CHXAvMessageDialog::DoAlertErrorL(const TDesC& text,
- bool bModal,
- CAknNoteDialog::TTimeout timeout,
- CAknNoteDialog::TTone tone)
- {
- CAknErrorNote* pDlg = new (ELeave) CHXAvNoteWrapper<CAknErrorNote>(bModal, CAknNoteDialog::ENoTimeout == timeout);
- DoAlertHelperLD(pDlg, text, timeout, tone);
- }
- ////////////////////////////////////////////////
- // use this for info text that needs to be scrollable
- //
- void CHXAvMessageDialog::DoLongTextInfoPromptL(const TDesC& caption, const TDesC& text, InfoPromptType type)
- {
- TPtrC ptr(text);
- CAknMessageQueryDialog* pDlg = CAknMessageQueryDialog::NewL(ptr);
- pDlg->PrepareLC(R_AVKON_MESSAGE_QUERY_DIALOG);
- // save cleanupstack init until LD
- {
- AUTO_PUSH_POP(pDlg);
- pDlg->MakeLeftSoftkeyVisible(EFalse);
- pDlg->QueryHeading()->SetTextL(caption);
- SetInfoCbaHelper(pDlg, type);
- }
- pDlg->RunLD();
- }
- void CHXAvMessageDialog::DoAlertInfoL(const TDesC& text,
- bool bModal,
- CAknNoteDialog::TTimeout timeout,
- CAknNoteDialog::TTone tone)
- {
- CAknInformationNote* pDlg = new (ELeave) CHXAvNoteWrapper<CAknInformationNote>(bModal, CAknNoteDialog::ENoTimeout == timeout);
- DoAlertHelperLD(pDlg, text, timeout, tone);
- }
- ////////////////////////////////////////////
- //
- TInt CHXAvMessageDialog::DoGlobalNoteL(TAknGlobalNoteType type, TInt textResID)
- {
- CHXAvCleanString text(textResID);
- return DoGlobalNoteL(type, text());
- }
- ////////////////////////////////////////////
- //
- TInt CHXAvMessageDialog::DoGlobalNoteL(TAknGlobalNoteType type, const TDesC& text)
- {
- /*
- aknnotifystd.h:
- EAknGlobalInformationNote
- EAknGlobalWarningNote
- EAknGlobalConfirmationNote
- EAknGlobalErrorNote
- EAknGlobalWaitNote
- EAknGlobalPermanentNote
- */
- // caller must manage ids and ensure that only one note is be shown at
- // a time; epoc debug build panics otherwise
- CAknGlobalNote* pNote = CAknGlobalNote::NewL();
- AUTO_PUSH_POP_DEL(pNote);
- return pNote->ShowNoteL(type, text);
- }
- ////////////////////////////////////////////
- // cancel global note associated with given id
- //
- void CHXAvMessageDialog::CancelGlobalNoteL(TInt idNote)
- {
- CAknGlobalNote* pNote = CAknGlobalNote::NewL();
- AUTO_PUSH_POP_DEL(pNote);
- pNote->CancelNoteL(idNote);
- }
- ////////////////////////////////////////////////////////
- // show modal; prompt for affirmative or negative
- //
- bool CHXAvMessageDialog::DoQueryL(TInt textResID, QueryPromptType type, CAknQueryDialog::TTone tone)
- {
- CHXAvCleanString queryText(textResID);
- return DoQueryL(queryText(), type, tone);
- }
- bool CHXAvMessageDialog::DoQueryL(const TDesC& promptText, QueryPromptType type, CAknQueryDialog::TTone tone)
- {
- TPtrC ptr(promptText);
- CAknQueryDialog* pDlg = new (ELeave) CAknQueryDialog(ptr, tone);
- pDlg->PrepareLC(R_AVP_YES_NO_DIALOG);
- // save cleanupstack init until LD
- {
- AUTO_PUSH_POP(pDlg);
- // possibly reset cba
- CEikButtonGroupContainer& cba = pDlg->ButtonGroupContainer();
- switch(type)
- {
- case QueryYesNo:
- // this is default
- break;
- case QueryOkCancel:
- cba.SetCommandSetL(R_AVKON_SOFTKEYS_OK_CANCEL);
- break;
- case QueryOkBack:
- cba.SetCommandSetL(R_AVKON_SOFTKEYS_OK_BACK);
- break;
- }
- }
- TInt res = pDlg->RunLD();
- return 0 != res;
- }
- ////////////////////////////////////////////////
- //
- void CHXAvMessageDialog::DoSystemErrorNoteL(TInt err)
- {
- // use system handler
- CCoeEnv* pEnv = CCoeEnv::Static();
- CErrorUI* pError = CErrorUI::NewL(*pEnv);
- AUTO_PUSH_POP_DEL(pError);
- pError->ShowGlobalErrorNoteL(err);
- }