/*

 * Copyright (c) 2009-2010 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:

 *

 */

#ifndef NMVIEWERVIEW_H_

#define NMVIEWERVIEW_H_

#include <QPointer>

#include "nmbaseview.h"

#include "nmactionobserver.h"

#include "nmattachmentfetchobserver.h"

class QGraphicsLinearLayout;

class QWebPage;

class HbWidget;

class HbMainWindow;

class HbScrollArea;

class NmApplication;

class NmUiEngine;

class NmUiStartParam;

class NmMailViewerWK;

class NmMessage;

class NmViewerViewNetManager;

class NmViewerHeader;

class NmMailViewerWK;

class NmUiDocumentLoader;

class NmOperation;

class HbProgressDialog;

class NmAttachmentListWidget;

class NmAttachmentManager;

class HbMessageBox;

class NmViewerView : public NmBaseView, public NmActionObserver, public NmAttachmentFetchObserver

{

    Q_OBJECT

public:

    explicit NmViewerView(

				NmApplication &application,

				NmUiStartParam* startParam,

				NmUiEngine &uiEngine,

				HbMainWindow *mainWindow,

            NmAttachmentManager &attaManager,

            bool toolbar = false,

				QGraphicsItem *parent = NULL);

    ~NmViewerView();

    void reloadViewContents(NmUiStartParam* startParam);

    NmUiViewId nmailViewId() const;

    NmMailViewerWK* webView();

    NmMessage* message();

    void viewReady();

    void aboutToExitView();

signals:

    void progressValueChanged(int index, int value);

public slots:

    void orientationChanged(Qt::Orientation orientation);

    void adjustViewDimensions();

    void linkClicked(const QUrl& link);

    void contentScrollPositionChanged(const QPointF &newPosition);

    void fetchMessage();

    void openAttachment(int index);

	void createOptionsMenu();

private slots:

    void setMessageData();

    void messageFetched(int result);

    void waitNoteCancelled();

    void webFrameLoaded(bool loaded);

    void scaleWebViewWhenLoading(const QSize &size);

    void scaleWebViewWhenLoaded();

    void messageDeleted(const NmId &mailboxId, const NmId &folderId, const NmId &messageId);

public: // From NmActionObserver

    void handleActionCommand(NmActionResponse &menuResponse);

public: // From NmAttachmentFetchObserver

    void progressChanged(int value);

    void fetchCompleted(int result);

private:

    void deleteMessage();

    void loadMessage();

    void loadViewLayout();

    QString formatMessage();

    bool eventOnTopOfHeaderArea(QGraphicsSceneMouseEvent *event);

    void changeMessageReadStatus(bool read);

    void setMailboxName();

    void createToolBar();

    void setAttachmentList();

    void createAndShowWaitDialog();

private:

    NmApplication &mApplication;

    NmUiEngine &mUiEngine;

    HbMainWindow *mMainWindow;                       // Not owned

    NmAttachmentManager  &mAttaManager;

    bool mToolbarEnabled;					         // is toolbar or options menu in use

    NmMessage* mMessage;                             // Owned

    HbScrollArea *mScrollArea;                       // Not owned

    HbWidget *mViewerContent;                        // Not owned

    NmMailViewerWK *mWebView;                        // Not owned

    NmViewerHeader *mHeaderWidget;                   // Not owned

    NmAttachmentListWidget *mAttaListWidget;         // Not owned

    QPointF mHeaderStartScenePos;

    QPointer<NmOperation> mMessageFetchingOperation; // Not owned 

    QPointF mLatestScrollPos;

    bool mDisplayingPlainText;

    QObjectList mWidgetList;

    NmUiDocumentLoader *mDocumentLoader;

    HbWidget *mScrollAreaContents;

    HbWidget *mViewerHeaderContainer;

    QSize mScreenSize;

    HbProgressDialog *mWaitDialog;                   // Owned

    bool webFrameloadingCompleted;

    QSize mLatestLoadingSize;

    QList<NmId> mAttaIdList;

    int mAttaIndexUnderFetch;

    NmAttachmentListWidget *mAttaWidget;             // Not owned

    bool mViewReady;

    bool mWaitNoteCancelled;

    HbMessageBox *mErrorNote;                       // Owned

};

#endif /* NMVIEWERVIEW_H_ */