/**
*
* @brief Definition of CMsgObserverAppUi
*
* Copyright (c) EMCC Software Ltd 2003
* @version 1.0
*/

// INCLUDE FILES
#include "MsgObserverAppUi.h"

#include <avkon.hrh>
#include <MsgObserver.rsg>
#include <msvids.h>
#include <txtrich.h> // CRichText

#include "MsgObserverContainer.h"
#include "msgobserver.hrh"


_LIT(KNoBodyText, "Message has no body");


#ifdef __WINS__
const TMsvId KObservedFolderId = KMsvDraftEntryId;
#else
const TMsvId KObservedFolderId = KMsvGlobalInBoxIndexEntryId;
#endif


// ================= MEMBER FUNCTIONS =======================
//
// ----------------------------------------------------------
// CMsgObserverAppUi::ConstructL()
// ?implementation_description
// ----------------------------------------------------------
//
void CMsgObserverAppUi::ConstructL()
    {
    BaseConstructL();
    iAppContainer = new (ELeave) CMsgObserverContainer;
    iAppContainer->SetMopParent(this);
    iAppContainer->ConstructL( ClientRect() );
    AddToStackL( iAppContainer );

    iMsvSession = CMsvSession::OpenAsyncL(*this);
    }

// ----------------------------------------------------
// CMsgObserverAppUi::~CMsgObserverAppUi()
// Destructor
// Frees reserved resources
// ----------------------------------------------------
//
CMsgObserverAppUi::~CMsgObserverAppUi()
    {
    if (iAppContainer)
        {
        RemoveFromStack( iAppContainer );
        delete iAppContainer;
        }
    delete iMsvEntry;
    delete iMsvSession;
   }

// ------------------------------------------------------------------------------
// CMsgObserverAppUi::::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
//  This function is called by the EIKON framework just before it displays
//  a menu pane. Its default implementation is empty, and by overriding it,
//  the application can set the state of menu items dynamically according
//  to the state of application data.
// ------------------------------------------------------------------------------
//
void CMsgObserverAppUi::DynInitMenuPaneL(
    TInt /*aResourceId*/,CEikMenuPane* /*aMenuPane*/)
    {
    }

// ----------------------------------------------------
// CMsgObserverAppUi::HandleKeyEventL(
//     const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
// ?implementation_description
// ----------------------------------------------------
//
TKeyResponse CMsgObserverAppUi::HandleKeyEventL(
    const TKeyEvent& /*aKeyEvent*/,TEventCode /*aType*/)
    {
    return EKeyWasNotConsumed;
    }

// ----------------------------------------------------
// CMsgObserverAppUi::HandleCommandL(TInt aCommand)
// ?implementation_description
// ----------------------------------------------------
//
void CMsgObserverAppUi::HandleCommandL(TInt aCommand)
    {
    switch ( aCommand )
        {
        case EAknSoftkeyBack:
        case EEikCmdExit:
            {
            Exit();
            break;
            }

        default:
            break;
        }
    }


void CMsgObserverAppUi::HandleSessionEventL(TMsvSessionEvent aEvent, TAny* aArg1, TAny* aArg2, TAny* /*aArg3*/)
    {
    switch (aEvent)
        {
        case EMsvServerReady:
            // Initialise iMsvEntry
            if (!iMsvEntry)
                {
                iMsvEntry = CMsvEntry::NewL(*iMsvSession, KMsvGlobalInBoxIndexEntryId, TMsvSelectionOrdering());
                }
            break;

        case EMsvEntriesCreated:
            // Only look for changes in the Inbox
            if (*(static_cast<TMsvId*>(aArg2)) == KObservedFolderId)
                {
                CMsvEntrySelection* entries = static_cast<CMsvEntrySelection*>(aArg1);
                iNewMessageId = entries->At(0);
                }
            break;

        case EMsvEntriesChanged:
            // Only look for changes in the Inbox
            if (*(static_cast<TMsvId*>(aArg2)) == KObservedFolderId)
                {
                CMsvEntrySelection* entries = static_cast<CMsvEntrySelection*>(aArg1);
                if (iNewMessageId == entries->At(0))
                    {
                    // It's the same message we received the EMsvEntriesCreated event for

                    // Set entry context to the new message
                    iMsvEntry->SetEntryL(iNewMessageId);

                    // Open the store, read-only
                    CMsvStore* store = iMsvEntry->ReadStoreL();
                    CleanupStack::PushL(store);

                    // Get body text and send it to the container
                    if (store->HasBodyTextL())
                        {
                        CRichText* richText = CRichText::NewL(
                            iEikonEnv->SystemParaFormatLayerL(),
                            iEikonEnv->SystemCharFormatLayerL());
                        CleanupStack::PushL(richText);
                        store->RestoreBodyTextL(*richText);
                        const TInt length = richText->DocumentLength();
                        iAppContainer->SetTextL(richText->Read(0, length));
                        CleanupStack::PopAndDestroy(richText);
                        }
                    else
                        {
                        iAppContainer->SetTextL(KNoBodyText);
                        }
                    CleanupStack::PopAndDestroy(store);
                    }
                }
            break;

        default:
            break;
        }
    }


// End of File