emailuis/nmailui/inc/nmviewerview.h
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/*
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 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:
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 *
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 */
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#ifndef NMVIEWERVIEW_H_
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#define NMVIEWERVIEW_H_
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#include <QPointer>
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#include "nmbaseview.h"
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#include "nmactionobserver.h"
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#include "nmattachmentfetchobserver.h"
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class QWebPage;
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class HbWidget;
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class HbMainWindow;
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class HbScrollArea;
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class NmApplication;
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class NmUiEngine;
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class NmUiStartParam;
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class NmMailViewerWK;
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class NmMessage;
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class NmViewerViewNetManager;
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class NmViewerHeader;
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class NmMailViewerWK;
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class NmUiDocumentLoader;
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class NmOperation;
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class HbProgressDialog;
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class NmAttachmentListWidget;
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class NmAttachmentManager;
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class HbMessageBox;
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class NmMessagePart;
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class NmViewerView : public NmBaseView, public NmActionObserver, public NmAttachmentFetchObserver
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{
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    Q_OBJECT
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public:
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    explicit NmViewerView(
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				NmApplication &application,
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				NmUiStartParam* startParam,
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				NmUiEngine &uiEngine,
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				HbMainWindow *mainWindow,
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				NmAttachmentManager &attaManager,
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				bool toolbar = false,
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				QGraphicsItem *parent = NULL);
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    ~NmViewerView();
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    void reloadViewContents(NmUiStartParam* startParam);
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    NmUiViewId nmailViewId() const;
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    NmMailViewerWK* webView();
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    NmMessage* message();
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    void viewReady();
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    void aboutToExitView();
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signals:
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    void progressValueChanged(int index, int value);
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public slots:
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    void orientationChanged(Qt::Orientation orientation);
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    void adjustViewDimensions();
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    void linkClicked(const QUrl& link);
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    void contentScrollPositionChanged(const QPointF &newPosition);
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    void fetchMessage();
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    void openAttachment(int index);
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	void createOptionsMenu();
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private slots:
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    void setMessageData();
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    void messageFetched(int result);
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    void waitNoteCancelled();
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    void webFrameLoaded(bool loaded);
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    void scaleWebViewWhenLoading(const QSize &size);
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    void scaleWebViewWhenLoaded();
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    void messageDeleted(const NmId &mailboxId, const NmId &folderId, const NmId &messageId);
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public: // From NmActionObserver
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    void handleActionCommand(NmActionResponse &menuResponse);
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public: // From NmAttachmentFetchObserver
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    void progressChanged(int value);
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    void fetchCompleted(int result);
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private:
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    void deleteMessage();
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    void loadMessage();
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    void loadViewLayout();
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    QString formatMessage();
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    QString formatHtmlMessage(NmMessagePart *html);
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    QString formatPlainTextMessage(NmMessagePart *plain);
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    bool eventOnTopOfHeaderArea(QGraphicsSceneMouseEvent *event);
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    void changeMessageReadStatus(bool read);
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    void setMailboxName();
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    void createToolBar();
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    void setAttachmentList();
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    void createAndShowWaitDialog();
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private:
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    NmApplication &mApplication;
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    NmUiEngine &mUiEngine;
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    HbMainWindow *mMainWindow;                       // Not owned
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    NmAttachmentManager  &mAttaManager;
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    bool mToolbarEnabled;					         // is toolbar or options menu in use
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    NmMessage* mMessage;                             // Owned
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    HbScrollArea *mScrollArea;                       // Not owned
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    HbWidget *mViewerContent;                        // Not owned
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    NmMailViewerWK *mWebView;                        // Not owned
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    NmViewerHeader *mHeaderWidget;                   // Not owned
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    NmAttachmentListWidget *mAttaListWidget;         // Not owned
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    QPointF mHeaderStartScenePos;
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    QPointer<NmOperation> mMessageFetchingOperation; // Not owned 
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    QPointF mLatestScrollPos;
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    bool mDisplayingPlainText;
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    QObjectList mWidgetList;
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    NmUiDocumentLoader *mDocumentLoader;             // Owned
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    HbWidget *mScrollAreaContents;                   // Not owned
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    QSize mScreenSize;
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    HbProgressDialog *mWaitDialog;                   // Owned
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    bool webFrameloadingCompleted;
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    QSize mLatestLoadingSize;
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    QList<NmId> mAttaIdList;
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    int mAttaIndexUnderFetch;
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    NmAttachmentListWidget *mAttaWidget;             // Not owned
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    bool mViewReady;
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    bool mWaitNoteCancelled;
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    HbMessageBox *mErrorNote;                       // Owned
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};
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#endif /* NMVIEWERVIEW_H_ */