/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: NMail application service interface used for viewing a mail

*              according to given id. The service utilizes the Qt highway framework.

*/

//  INCLUDES

#include "nmuiheaders.h" // Includes also the class header.

/*!

    \class NmViewerServiceInterface

    \brief A service interface for displaying the message according to given id.

*/

/*!

    Class constructor.

*/

NmViewerServiceInterface::NmViewerServiceInterface(QObject *parent,

                                                   NmApplication *application,

                                                   NmUiEngine &uiEngine)

: XQServiceProvider(emailFullServiceNameMessage, parent),

  mApplication(application),

  mUiEngine(uiEngine),

  mAsyncReqId(0)

{

    publishAll();

}

/*!

    Class desctructor.

*/

NmViewerServiceInterface::~NmViewerServiceInterface()

{

    NM_FUNCTION;

}

/*!

    This has the soon to be DEPRICATED three argument interface!!!

    Use viewMessage(QVariant idList, QVariant flags) instead!!!

*/

void NmViewerServiceInterface::viewMessage(QVariant mailboxId,

                                           QVariant folderId,

                                           QVariant messageId)

{

    QVariantList idList;

    idList.append(mailboxId);

    idList.append(folderId);

    idList.append(messageId);

    QVariant idListAsVariant = QVariant::fromValue(idList);

}

/*!

    Opens the message view according to the given IDs.

    \param idList A list containing the required IDs for locating the wanted

                  message. The ID are the following (and should be placed in

                  the following order): mailbox ID, folder ID and message ID.

    \param flags Will contain EmailBackReturnsToMessageList if the message

                 list view should be added into the view stack.

*/

void NmViewerServiceInterface::viewMessage(QVariant idList, QVariant flags)

{

    NM_FUNCTION;

    mAsyncReqId = setCurrentRequestAsync();

    NmId mailboxId(0), folderId(0), messageId(0);

    // Check the given arguments.

    if (idList.canConvert(QVariant::List)) {

        QList<QVariant> ids = idList.toList();

        if (ids.count() >= 3) {

            mailboxId = ids[0].toULongLong();

            folderId = ids[1].toULongLong();

            messageId = ids[2].toLongLong();

        }

    }

    quint64 flag(EmailNoFlags);

    if (flags.canConvert(QVariant::ULongLong)) {

        flag = flags.toULongLong();

    }

    bool addMessageListViewToStack(false);

    if (flag & EmailBackReturnsToMessageList) {

        addMessageListViewToStack = true;

    }

	// Make sure the app stays on the background if the user presses back button

    // in the viewer view.

	bool visible = mApplication->updateVisibilityState();

    NmMessage *message = mUiEngine.message(mailboxId, folderId, messageId);

    if (message) {

        // Bring the application to the foreground.

        if (!XQServiceUtil::isEmbedded()) {

            XQServiceUtil::toBackground(false);

        }

        HbMainWindow *mainWindow = mApplication->mainWindow();

        mainWindow->show();

        if (addMessageListViewToStack) {

            // Launch the message list view.

                new NmUiStartParam(NmUiViewMessageList,

                                   mailboxId,

                                   folderId,

                                   messageId,

                                   NmUiEditorCreateNew, // editor start mode

                                   NULL, // address list

                                   NULL, // attachment list

                                   true); // start as service

            mApplication->enterNmUiView(startParam1);

        }

        // Launch the message view.

        NmUiStartParam *startParam =

            new NmUiStartParam(NmUiViewMessageViewer,

                               mailboxId,

                               folderId, // folder id

                               messageId, // message id

                               NmUiEditorCreateNew, // editor start mode

                               NULL, // address list

                               NULL, // attachment list

                               !addMessageListViewToStack); // start as service?

        mApplication->enterNmUiView(startParam);

        completeRequest(mAsyncReqId, 0);

    }

    else {

        // The message was not found!

        // If started as embedded, do not hide the app.

		if (!XQServiceUtil::isEmbedded() && !visible) {

			XQServiceUtil::toBackground(true);

		}

        completeRequest(mAsyncReqId, 1);

        // Close the application if started as a service.

        if (XQServiceUtil::isService()) {

            // Exit the application when the return value is delivered.

            connect(this, SIGNAL(returnValueDelivered()),

                    mApplication, SLOT(delayedExitApplication()));

        }

    }

}

// End of file.