camerauis/cameraxui/cxui/inc/cxuipostcaptureview.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:03:46 +0300
branchRCL_3
changeset 53 61bc0f252b2b
permissions -rw-r--r--
Revision: 201033 Kit: 201035

/*
* 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 CXUIPOSTCAPTUREVIEW_H
#define CXUIPOSTCAPTUREVIEW_H

#include <QObject>
#include <QList>
#include <QTimer>
#include <xqappmgr.h>
#include "cxuiview.h"

class QGraphicsRectItem;
class HbMainWindow;
class HbAction;
class HbLabel;
class ShareUi;

class CxeEngine;
class CxuiDocumentLoader;
class ThumbnailManager;

/**
 * Post-capture view
 */
class CxuiPostcaptureView : public CxuiView
{
    Q_OBJECT

public:
    CxuiPostcaptureView(QGraphicsItem *parent = 0);
    virtual ~CxuiPostcaptureView();
    void construct(HbMainWindow *mainwindow, CxeEngine *engine,
                   CxuiDocumentLoader *documentLoader, CxuiCaptureKeyHandler *keyHandler,
                   HbActivityManager *activityManager);

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

    void restoreActivity(const QString &activityId, const QVariant &data);
    void saveActivity();
    void clearActivity();

signals:
    void changeToPrecaptureView();

public slots:
    void enterStandby();
    void exitStandby();
    void handleCaptureKeyPressed();
    void handleAutofocusKeyPressed();

protected:
    bool eventFilter(QObject *object, QEvent *event);
    void showEvent(QShowEvent *event);
    void hideEvent(QHideEvent *event);
    void showToolbar();
    void createBackground();
    void updateSnapshotImage();
    void stopTimers();

protected slots:
    void goToPrecaptureView();
    void stopViewfinder();

    void hideToolbar();

    // toolbar actions
    void select();
    void launchShare();
    void playVideo();
    void showDeleteNote();

    void handleDeleteDialogClosed(int action);

private:
    bool isFileDeleted();
    QString getCurrentFilename();

    void startTimers();
    void startPostcaptureTimer();
    void startReleaseTimers();

private slots:
    void handleThumbnailReady(QPixmap thumbnail);

private: // data
    HbToolBar *mStillToolbar;
    HbToolBar *mVideoToolbar;
    HbToolBar *mEmbeddedToolbar;
    QGraphicsRectItem *mBackgroundItem;
    HbLabel *mImageLabel;

    ShareUi *mShareUi;

    /**
     * Timer used to stop viewfinder after a delay if the user remains in
     * post-capture view. Viewfinder is not stopped immediately when
     * capturing an image to improve the latency it takes to return to
     * pre-capture view.
     */
    QTimer mStopViewfinderTimer;

    /**
     * Timer used to release the camera HW after a delay if the user
     * remains in post-capture view. Releasing the camera improves
     * power efficiency, but creates additional latency when returning
     * to pre-capture view.
     */
    QTimer mReleaseCameraTimer;

    /*
    * Timer used to return back to precapture view after a time-out
    * Timer is disabled if show postcapture view setting is "continuous" i.e. -1
    */
    QTimer mPostcaptureTimer;

    bool mTimersStarted;

    XQApplicationManager mAppManager;

    bool mDeleteNoteOpen;

    QString mFilename;

    ThumbnailManager *mThumbnailManager;
};

#endif // CXUIPOSTCAPTUREVIEW_H