/*

* 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: Message editor view

*

*/

#ifndef NMEDITORVIEW_H_

#define NMEDITORVIEW_H_

#include <QPointer>

#include "nmbaseview.h"

#include "nmactionobserver.h"

#include "nmactionresponse.h"

#include "nmattachmentfetchobserver.h"

class HbTextEdit;

class HbDocumentLoader;

class HbProgressDialog;

class HbWidget;

class NmBaseViewScrollArea;

class NmApplication;

class NmUiEngine;

class NmUiStartParam;

class NmMessage;

class NmEditorContent;

class NmEditorTextEdit;

class NmEditorHeader;

class NmAction;

class NmOperation;

class NmMessageCreationOperation;

class NmAddAttachmentsOperation;

class NmAttachmentPicker;

class HbMessageBox;

class NmAttachmentManager;

class HbVkbHost;

class HbListWidget;

class NmEditorView : public NmBaseView,

                     public NmActionObserver,

                     public NmAttachmentFetchObserver

{

    Q_OBJECT

public:

    NmEditorView(NmApplication &application,

                 NmUiStartParam *startParam,

                 NmUiEngine &uiEngine,

                 NmAttachmentManager &attaManager,

                 QGraphicsItem *parent = 0);

    ~NmEditorView();

public:

    void reloadViewContents(NmUiStartParam* startParam);

    NmUiViewId nmailViewId() const;

    HbWidget* scrollAreaContents();

    void okToExitView();

    void aboutToExitView();

    void viewReady();

    void handleActionCommand(NmActionResponse &menuResponse);

    void progressChanged(int value);

    void fetchCompleted(int result);

public slots:

    void orientationChanged(Qt::Orientation orientation);

    void createOptionsMenu();

    void setButtonsDimming(bool enabled);

    void attachmentLongPressed(NmId attachmentPartId, QPointF point);

    void invalidAddressQuery(HbAction* action);

    void okToExitQuery(HbAction* action);

    void sendProgressDialogCancelled();

    void safeToDraft();

protected:

    void resizeEvent(QGraphicsSceneResizeEvent *event);

private slots:

    void messageCreated(int result);

    void oneAttachmentAdded(const QString &fileName,

                            const NmId &msgPartId,

                            int result);

    void allAttachmentsAdded(int result);

    void attachmentRemoved(int result);

    void removeAttachmentTriggered();

    void handleSendOperationCompleted();

    void openAttachmentTriggered( NmId attachmentId );  

    void onAttachmentReqCompleted(const QVariant &value);

    void onAttachmentsFetchError(int errorCode, const QString& errorMessage);

    void switchCcBccFieldVisibility();

	void fetchProgressDialogCancelled();

	void vkbOpened();

	void vkbClosed();

private:

    void loadViewLayout();

    void setMailboxName();

    void fetchProgressDialogShow();

    void fetchMessageIfNeeded(NmUiStartParam &startParam);

    void startMessageCreation(NmUiStartParam &startParam);

    void startSending();

    void finalizeSending();

    void createToolBar();

    void updateMessageWithEditorContents();

    void fillEditorWithMessageContents();

    void initializeVKB();

    QString addSubjectPrefix(NmUiEditorStartMode startMode, const QString &subject);

    void addAttachments(const QStringList &fileNames);

    void setPriority(NmActionResponseCommand priority);

    QString addressListToString(const QList<NmAddress*> &list) const;

    QString addressListToString(const QList<NmAddress> &list) const;

    void enableToolBarAttach(bool enable);

    void showChrome(bool show);

signals:

    void sizeChanged();

private: // Data

    NmApplication &mApplication;

    NmUiEngine &mUiEngine;

    NmAttachmentManager  &mAttaManager;

    HbDocumentLoader *mDocumentLoader;  // Owned

    QObjectList mWidgetList;            // Owned

    NmEditorHeader *mHeaderWidget;      // Not owned

    NmMessage *mMessage;                // Owned

    NmEditorContent *mContent;          // Not owned

    HbMenu *mAttachmentListContextMenu; // Owned

    NmId mSelectedAttachment;

    HbVkbHost *mVkbHost;                // Not owned

    QPointer<NmMessageCreationOperation> mMessageCreationOperation;  // Not owned

    QPointer<NmAddAttachmentsOperation> mAddAttachmentOperation;     // Not owned 

    QPointer<NmOperation> mRemoveAttachmentOperation;                // Not owned 

    HbProgressDialog *mWaitDialog;         // Owned.    

    HbMessageBox* mQueryDialog;            // Owned

    NmAttachmentPicker* mAttachmentPicker; // Owned    

    bool mCcBccFieldVisible;

    QPointer<HbProgressDialog> mServiceSendingDialog; // Owned.

    HbListWidget *mTBExtnContentWidget;		// Owned

    QString mHiddenPriorityName;

};

#endif /* NMEDITORVIEW_H_ */