/*******************************************************************************

 * Copyright (c) 2005, 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - S60 implementation

 *******************************************************************************/

#include <eikedwin.h>

#include <CPbkContactEngine.h>

#include <CPbkSingleEntryFetchDlg.h>

#include <CPbkContactItem.h>

#include <RPbkViewResourceFile.h>

#include <avkon.rsg>

#include <barsread.h>

#include <favouritesdb.h>

#include <favouritesitemlist.h>

#include <favouritessession.h>

#include <aknselectionlist.h>

#include <eikspane.h>

#include <akntitle.h>

#include <akncontext.h>

#include <AknsUtils.h>

#include <aknappui.h>

#include <eswtcore.rsg>

#include <featdiscovery.h>

#include <e32const.h>

#include <swtlaffacade.h>

#include "swtcontrolmenu.h"

#include "swtmenuitem.h"

#include "eswtmobile.hrh"

#include "swtuiutils.h"

#include "swttextextension.h"

//Pin Board UID for Favourites Icon

#define PINB_UID 0x1000590B

_LIT(KTAB,"\t");

const TInt KSWTTEXTEXTENSION_EMAIL_LENGTH = 150;

const TInt KSWTTEXTEXTENSION_URL_LENGTH = 1000;

// Character subsets for SetInitialInputModeL

_LIT(KUcbBasicLatin,        "UCB_BASIC_LATIN");

_LIT(KIsLatin,              "IS_LATIN");

_LIT(KIsLatinDigits,        "IS_LATIN_DIGITS");

_LIT(KUcbArabic,            "UCB_ARABIC");

_LIT(KUcbHebrew,            "UCB_HEBREW");

_LIT(KUcbGreek,             "UCB_GREEK");

_LIT(KUcbThai,              "UCB_THAI");

_LIT(KIsSimplifiedHanzi,    "IS_SIMPLIFIED_HANZI");

_LIT(KUcbHiragana,          "UCB_HIRAGANA");

_LIT(KUcbKatakana,          "UCB_KATAKANA");

_LIT(KIsHalfwidthKatakana,  "IS_HALFWIDTH_KATAKANA");

_LIT(KIsKanji,              "IS_KANJI");

_LIT(KIsFullwidthDigits,    "IS_FULLWIDTH_DIGITS");

_LIT(KIsFullwidthLatin,     "IS_FULLWIDTH_LATIN");

_LIT(KUcbCyrillic,          "UCB_CYRILLIC");

_LIT(KUcbArmenian,          "UCB_ARMENIAN");

_LIT(KUcbDevanagari,        "UCB_DEVANAGARI");

_LIT(KUcbBengali,           "UCB_BENGALI");

_LIT(KUcbHangulSyllables,   "UCB_HANGUL_SYLLABLES");

_LIT(KIsHanja,              "IS_HANJA");

_LIT(KIsTraditionalHanzi,   "IS_TRADITIONAL_HANZI");

// Character subsets that contain more than one S60 language

enum

{

    ECharSubsetNone= 0,

    EIsLatin,               // "IS_LATIN"

    EUcbCyrillic,           // "UCB_CYRILLIC"

    EUcbArabic,             // "UCB_ARABIC"

    EIsTraditionalHanzi     // "IS_TRADITIONAL_HANZI"

};

// ======== LOCAL FUNCTIONS ========

// ---------------------------------------------------------------------------

// Local function for sorting the Favourite items by Name

// ---------------------------------------------------------------------------

//

LOCAL_C TInt CompareItemsByNameL(const CFavouritesItem& aLeft, const CFavouritesItem& aRight)

{

    return aLeft.Name().CompareF(aRight.Name());

}

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

// ---------------------------------------------------------------------------

// Destructor for TextExtension

// ---------------------------------------------------------------------------

//

CSwtTextExtension::~CSwtTextExtension()

{

    delete iNaviDecorator;

    if (iMenuItem)

        iMenuItem->Dispose();

    if (iMenu)

        iMenu->Dispose();

}

// ---------------------------------------------------------------------------

// 2nd phase constructor.

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::ConstructL()

{

    CSwtText::ConstructL();

}

// ---------------------------------------------------------------------------

// Constructs and returns an object.

// ---------------------------------------------------------------------------

//

CSwtTextExtension* CSwtTextExtension::NewL(

    MSwtDisplay& aDisplay,

    TSwtPeer aPeer,

    MSwtComposite& aParent,

    TInt aStyle)

{

    CSwtTextExtension* self = new(ELeave) CSwtTextExtension(aDisplay,

            aPeer, aParent, aStyle);

    CleanupStack::PushL(self);

    self->ConstructL();

    self->InitControlBaseL();

    CleanupStack::Pop(self);

    return self;

}

// ---------------------------------------------------------------------------

// Sets content styles(Email address, URL), input modifier styles and

//  casing modifiers. Note that Non Midlet commands are added here

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::SetTypeStyleL(TInt aTypeStyle)

{

    iTypeStyle=aTypeStyle;

    TInt sct = R_AVKON_URL_SPECIAL_CHARACTER_TABLE_DIALOG;

    TUint flags = 0;

    if (iTypeStyle & EEmailAddress)

    {

        iMenu = CSwtControlMenu::NewL(iDisplay, NULL, 0);

        iMenu->SetObserver(this);

        iMenuItem = CSwtMenuItem::NewL(iDisplay, NULL, *iMenu, 0, 0, ESwtFetchEmail);

        // Email style implementation

        Editor().SetMaxLength(KSWTTEXTEXTENSION_EMAIL_LENGTH);

        Editor().SetAknEditorAllowedInputModes(EAknEditorAllInputModes);

        Editor().SetAknEditorCurrentInputMode(EAknEditorAlphaInputMode);

        Editor().SetAknEditorPermittedCaseModes(EAknEditorAllCaseModes);

        Editor().SetAknEditorCase(EAknEditorLowerCase);

        Editor().SetAknEditorCurrentCase(EAknEditorLowerCase);

        sct =  R_AVKON_EMAIL_ADDR_SPECIAL_CHARACTER_TABLE_DIALOG;

        flags |= EEikEdwinNoLineOrParaBreaks|EAknEditorFlagNoT9;

        //Adding Non Midlet Commands

        HBufC* buffer = iCoeEnv->AllocReadResourceLC(R_EMAIL_COMMAND_TEXT);

        TPtrC ptr = buffer->Des();

        iMenuItem->SetTextL(ptr);

        CleanupStack::PopAndDestroy(buffer);

    }

    else if (iTypeStyle & EUrl)

    {

        iMenu = CSwtControlMenu::NewL(iDisplay, NULL, 0);

        iMenu->SetObserver(this);

        iMenuItem = CSwtMenuItem::NewL(iDisplay, NULL, *iMenu, 0, 0, ESwtFetchUrl);

        // Url type implementation

        Editor().SetMaxLength(KSWTTEXTEXTENSION_URL_LENGTH);

        Editor().SetAknEditorAllowedInputModes(EAknEditorAllInputModes);

        Editor().SetAknEditorCurrentInputMode(EAknEditorAlphaInputMode);

        Editor().SetAknEditorPermittedCaseModes(EAknEditorAllCaseModes);

        Editor().SetAknEditorCase(EAknEditorLowerCase);

        Editor().SetAknEditorCurrentCase(EAknEditorLowerCase);

        sct = R_AVKON_URL_SPECIAL_CHARACTER_TABLE_DIALOG;

        flags |= EEikEdwinNoLineOrParaBreaks|EAknEditorFlagNoT9;

        //Adding Non Midlet Commands

        HBufC* buffer = iCoeEnv->AllocReadResourceLC(R_URL_COMMAND_TEXT);

        TPtrC ptr = buffer->Des();

        iMenuItem->SetTextL(ptr);

        CleanupStack::PopAndDestroy(buffer);

    }

    if (iTypeStyle & ELatinInputOnly)

    {

        //LatinInputOnly type implementation

        flags |=  EAknEditorFlagLatinInputModesOnly;

    }

    if (iTypeStyle & ENonPredictive)

    {

        //NonPredictive type implementation

        flags |= EAknEditorFlagNoT9;

    }

#ifdef RD_SCALABLE_UI_V2

    flags |= EAknEditorFlagDeliverVirtualKeyEventsToApplication;

#endif // RD_SCALABLE_UI_V2 

    Editor().SetAknEditorFlags(flags);

    Editor().SetAknEditorSpecialCharacterTable(sct);

    // make changes take effect

    TRAP_IGNORE(Editor().NotifyEditorStateObserverOfStateChangeL());

}

// ---------------------------------------------------------------------------

// Handling non midlet menu commands

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::ProcessCommandL(TInt aCmdId)

{

    switch (aCmdId)

    {

    case ESwtFetchEmail:

        FetchEmailL();// Fetching the Email address from the phone book

        break;

    case ESwtFetchUrl:

        FetchUrlL();// Fetching URL from favourites

        break;

    default:

        ASSERT(EFalse);

        break;

    }

}

// ---------------------------------------------------------------------------

// Return the control menu to the menu arranger

// ---------------------------------------------------------------------------

//

const MSwtMenu* CSwtTextExtension::GetControlMenu() const

{

    if (iMenu)

    {

        return iMenu;

    }

    return ASwtControlBase::GetControlMenu();

}

#ifdef RD_SCALABLE_UI_V2

// ---------------------------------------------------------------------------

// Return the control menu for the stylus popup menu

// ---------------------------------------------------------------------------

//

const MSwtMenu* CSwtTextExtension::GetStylusPopupControlMenu() const

{

    return GetControlMenu();

}

#endif //RD_SCALABLE_UI_V2

// ---------------------------------------------------------------------------

// Provides GUI that allows the user to select Email address from Phone Book

// and returns selected email id to the editor

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::FetchEmailL()

{

    // The dialog used to select the address doesn't work properly if there is no

    // status pane. Therefore, the status pane is temporarily made visible for

    // the duration of showing the dialog.

    MSwtShell* shell = iDisplay.UiUtils().TopMostTopShell();

    TBool fullScreenMode(EFalse);

    MSwtShell::TSwtStatusPaneStyle statusPaneStyle;

    MakeStatusPaneLargeL(shell, fullScreenMode, statusPaneStyle);

    CPbkContactEngine* pbkContactEngine = CPbkContactEngine::NewL();

    CleanupStack::PushL(pbkContactEngine);

    RPbkViewResourceFile pbkResource(*iCoeEnv);

    // Opening the default phone book

    TBool isOpen = EFalse;

    if (!pbkResource.IsOpen())

    {

        pbkResource.OpenL();

        isOpen = ETrue;

    }

    // Filtering phone book items which have email address

    CContactDatabase::TContactViewFilter filter(CContactDatabase::EMailable);

    CPbkSingleEntryFetchDlg::TParams params;

    params.iContactView = &pbkContactEngine->FilteredContactsViewL(filter);

    //Construct the dialog with filtered parameters

    CPbkSingleEntryFetchDlg* fetchDialog = CPbkSingleEntryFetchDlg::NewL(params);

    CleanupStack::PushL(fetchDialog);

    fetchDialog->SetMopParent(this);

    // Executes the dialog and waits for user selection

    TInt selection =  fetchDialog->ExecuteLD();

    CleanupStack::Pop(fetchDialog);

    if (selection)

    {

        //Retrieving the user selected email address

        const TContactItemId contactItemId = params.iSelectedEntry;

        CPbkContactItem* pbkItem = pbkContactEngine->ReadContactLC(contactItemId);

        TPbkContactItemField* emailField = pbkItem->FindField(EPbkFieldIdEmailAddress);

        TPtrC ptr = emailField->Text();

        Editor().SetTextL(&ptr);  // assigning email address to editor

        Editor().HandleTextChangedL();

        CleanupStack::PopAndDestroy(pbkItem);

    }

    if (isOpen)

    {

        pbkResource.Close();

    }

    CleanupStack::PopAndDestroy(pbkContactEngine);

    // Restore the original status pane style and fullscreenmode state

    RestoreStatusPaneL(shell, fullScreenMode, statusPaneStyle);

}

// ---------------------------------------------------------------------------

// Provides GUI that allows the user to select URL from Favourites Database

// and returns selected Bookmarked URL to the editor

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::FetchUrlL()

{

    // The dialog used to select the url doesn't work properly if there is no

    // status pane. Therefore, the status pane is temporarily made visible for

    // the duration of showing the dialog.

    MSwtShell* shell = iDisplay.UiUtils().TopMostTopShell();

    TBool fullScreenMode(EFalse);

    MSwtShell::TSwtStatusPaneStyle statusPaneStyle;

    MakeStatusPaneLargeL(shell, fullScreenMode, statusPaneStyle);

    RFavouritesSession favouritesSession;

    User::LeaveIfError(favouritesSession.Connect());

    CleanupClosePushL<RFavouritesSession>(favouritesSession);

    // Opening the Favourites Database

    RFavouritesDb favouritesDb;

    TInt error(favouritesDb.Open(favouritesSession, KBrowserBookmarks));

    if (!error)

    {

        CleanupClosePushL<RFavouritesDb>(favouritesDb);

        CFavouritesItemList* favouriteItemsList = new(ELeave) CFavouritesItemList();

        CleanupStack::PushL(favouriteItemsList);

        // Retrieving the items which have URL address into the items list

        User::LeaveIfError(favouritesDb.GetAll(*favouriteItemsList,

                                               KFavouritesNullUid,

                                               CFavouritesItem::EItem,

                                               NULL,

                                               KFavouritesNullContextId));

        TInt itemsCount = favouriteItemsList->Count();

        favouriteItemsList->SortL(&CompareItemsByNameL);  // Sorting the items by name

        // Defining the array with the size equals to the number of items retrieved

        CDesCArrayFlat* arrayList = new(ELeave) CDesCArrayFlat(

            itemsCount ? itemsCount : 1);

        CleanupStack::PushL(arrayList);

        for (TInt i = 0; i < itemsCount; i++)

        {

            // Adding items to the array

            const TInt size(((favouriteItemsList->At(i))->Name()).Length());

            HBufC* name = HBufC::NewLC(size + 1);

            name->Des().Append(KTAB);

            name->Des().Append((favouriteItemsList->At(i))->Name());

            arrayList->AppendL(*name);

            CleanupStack::PopAndDestroy(name);

        }

        TInt selectedItem(0);   // Default selected item

        CAknSelectionListDialog* selectionListDialog =

            CAknSelectionListDialog::NewL(selectedItem, arrayList, 0);

        // Constructing the dialog from the resource

        selectionListDialog->PrepareLC(R_SELECTION_LIST_DIALOG);

        selectionListDialog->SetMopParent(this);

        // Getting pointer to the AppUi's status pane

        CEikStatusPane* statusPane = iAvkonAppUi->StatusPane();

        // Setting the dialog title to the title pane

        CAknNavigationControlContainer* naviContainer =

            static_cast<CAknNavigationControlContainer*>(statusPane->ControlL(

                        TUid::Uid(EEikStatusPaneUidNavi)));

        HBufC* buffer = iCoeEnv->AllocReadResourceLC(R_TITLEPANE_TITLE);

        TPtrC ptr = buffer->Des();

        if (iNaviDecorator)

        {

            delete iNaviDecorator;

            iNaviDecorator = NULL;

        }

        iNaviDecorator = naviContainer->CreateMessageLabelL(ptr);

        CleanupStack::PopAndDestroy(buffer);

        // Newly created navigation decorator onto the navigation panes object stack

        naviContainer->PushL(*iNaviDecorator);

        TInt selection(selectionListDialog->RunLD());   // pops the dialog from cleanupstack

        if (selection)

        {

            // Setting selected url to editor

            if (selectedItem >= 0)

            {

                TPtrC itemPtr((favouriteItemsList->At(selectedItem))->Url());

                Editor().SetTextL(&itemPtr);

                Editor().HandleTextChangedL();

            }

        }

        CleanupStack::PopAndDestroy(arrayList);

        CleanupStack::PopAndDestroy(favouriteItemsList);

        CleanupStack::PopAndDestroy(&favouritesDb);

    }

    CleanupStack::PopAndDestroy(&favouritesSession);

    // Restore the original status pane style and fullscreenmode state

    RestoreStatusPaneL(shell, fullScreenMode, statusPaneStyle);

}

// ---------------------------------------------------------------------------

// Sets input language and character subset

// ---------------------------------------------------------------------------

//

void CSwtTextExtension::SetInitialInputModeL(TCasingModifier aCasingModifier, const TDesC* aMode)

{

    iInitialCurrentCase = 0;

    switch (aCasingModifier)

    {

    case ELowerCase:

        iInitialCurrentCase =  EAknEditorLowerCase;

        break;

    case EUpperCase:

        iInitialCurrentCase = EAknEditorUpperCase ;

        break;

    case ETitleCase://Fall-through

    case ETextCase:

        iInitialCurrentCase = EAknEditorTextCase ;

        break;

    default:

        iInitialCurrentCase = EAknEditorAllCaseModes;

        break;

    }

    iInitialCurrentInputMode = 0;

    iInitialCurrentLanguage = ELangTest;  // 0

    if (aMode)

    {

        HBufC* mode = aMode->AllocLC();

        if (mode->Compare(KUcbBasicLatin) == 0 || mode->Compare(KIsLatin) == 0)

        {

            // UCB_BASIC_LATIN, IS_LATIN

            iInitialCurrentLanguage = SelectLanguage(EIsLatin,ELangEnglish);

            iInitialCurrentInputMode = EAknEditorTextInputMode;

        }

        else if (mode->Compare(KIsLatinDigits) == 0)

        {

            // IS_LATIN_DIGITS

            iInitialCurrentInputMode = EAknEditorNumericInputMode;

        }

        else if (mode->Compare(KUcbArabic) == 0)

        {

            // UCB_ARABIC

            iInitialCurrentLanguage = ELangArabic;

        }

        else if (mode->Compare(KUcbHebrew) == 0)

        {

            // UCB_HEBREW

            iInitialCurrentLanguage = ELangHebrew;

        }

        else if (mode->Compare(KUcbGreek) == 0)

        {

            // UCB_GREEK

            iInitialCurrentLanguage = ELangGreek;

            iInitialCurrentCase = EAknEditorTextCase;

        }

        else if (mode->Compare(KUcbThai) == 0)

        {

            // UCB_THAI

#ifdef KFeatureIdThai

            if (CFeatureDiscovery::IsFeatureSupportedL(KFeatureIdThai))

            {

                iInitialCurrentLanguage = ELangThai;

            }

#endif // KFeatureIdThai

        }

        else if (mode->Compare(KIsSimplifiedHanzi) == 0)

        {

            // IS_SIMPLIIFED_HANZI

#ifdef KFeatureIdChinese

            if (CFeatureDiscovery::IsFeatureSupportedL(KFeatureIdChinese))

            {

                iInitialCurrentLanguage = ELangPrcChinese;

            }

#endif // KFeatureIdChinese

        }

        else if (mode->Compare(KUcbKatakana) == 0)

        {

            // UCB_KATAKANA

#ifdef KFeatureIdJapanese

            if (CFeatureDiscovery::IsFeatureSupportedL(KFeatureIdJapanese))

            {

                iInitialCurrentLanguage = ELangJapanese;

                iInitialCurrentInputMode = EAknEditorFullWidthKatakanaInputMode;

            }

#endif // KFeatureIdJapanese

        }

        else if (mode->Compare(KUcbHiragana) == 0 || mode->Compare(KIsKanji) == 0)

        {

            // UCB_HIRAGANA, IS_KANJI

#ifdef KFeatureIdJapanese

            if (CFeatureDiscovery::IsFeatureSupportedL(KFeatureIdJapanese))

            {

                iInitialCurrentLanguage = ELangJapanese;

                iInitialCurrentInputMode = EAknEditorHiraganaKanjiInputMode;

            }

#endif // KFeatureIdJapanese

        }