1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: This is a header file for a CxuiView class

    15 *

    16 */

    17 

    18 #ifndef CXUIVIEW_H

    19 #define CXUIVIEW_H

    20 

    21 #include <QObject>

    22 #include <QTimer>

    23 #include <hbview.h>

    24 #include <hbmainwindow.h>

    25 #include <hbframedrawer.h>

    26 #include <hbinstantfeedback.h>

    27 

    28 class CxuiDocumentLoader;

    29 class CxuiCaptureKeyHandler;

    30 class CxuiZoomSlider;

    31 class CxuiCaptureKeyHandler;

    32 class CxeEngine;

    33 class HbWidget;

    34 class HbActivityManager;

    35 

    36 // CONSTANTS

    37 const int CXUI_HIDE_CONTROLS_TIMEOUT     = 6000; // 6 seconds

    38 

    39 /**

    40  * A base class for all views in the Camera UI

    41  * The class is for deriving only

    42  */

    43 class CxuiView : public HbView

    44 {

    45     Q_OBJECT

    46 

    47 public:

    48     CxuiView(QGraphicsItem *parent = 0);

    49     virtual ~CxuiView();

    50 

    51     virtual void construct(HbMainWindow *mainWindow, CxeEngine *engine,

    52                            CxuiDocumentLoader *documentLoader,

    53                            CxuiCaptureKeyHandler * keyHandler,

    54                            HbActivityManager *activityManager);

    55 

    56 public:

    57     virtual bool isStandbyModeSupported() const;

    58     virtual void updateOrientation(Qt::Orientation orientation);

    59 

    60     virtual void restoreActivity(const QString &activityId, const QVariant &data);

    61     virtual void saveActivity();

    62     virtual void clearActivity();

    63 

    64 protected:

    65     virtual bool allowShowControls() const;

    66     virtual bool isFeedbackEnabled() const;

    67     virtual void toggleControls();

    68     virtual void showToolbar();

    69     virtual void hideZoom();

    70     virtual void showZoom();

    71     virtual void hideIndicators();

    72     virtual void showIndicators();

    73     virtual void createWidgetBackgroundGraphic(HbWidget *widget,

    74                                        const QString &graphicName,

    75                                        HbFrameDrawer::FrameType frameType =

    76                                        HbFrameDrawer::NinePieces);

    77 

    78     void mousePressEvent(QGraphicsSceneMouseEvent *event);

    79     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    80 

    81 public slots:

    82     void zoomDisappearEffectFinished(const HbEffect::EffectStatus &status);

    83     void zoomAppearEffectFinished(const HbEffect::EffectStatus &status);

    84     virtual void enterStandby();

    85     virtual void exitStandby();

    86 

    87 protected slots:

    88     virtual void launchNotSupportedNotification();

    89     virtual void launchPhotosApp();

    90     virtual void launchVideosApp();

    91     virtual void releaseCamera();

    92 

    93     virtual void launchScenesView();

    94 

    95     // Control visibility of all UI items at the same time: toolbar, zoom and titlepane items

    96     virtual void hideControls();

    97     virtual void showControls();

    98 

    99     virtual void hideToolbar();

   100 

   101 

   102 signals:

   103     void viewCloseEvent();

   104     void showScenesView();

   105 

   106 protected: //common data

   107     HbMainWindow *mMainWindow; // not own

   108     CxeEngine *mEngine; // not own

   109     CxuiDocumentLoader *mDocumentLoader; // not own

   110     CxuiCaptureKeyHandler* mCaptureKeyHandler;

   111 

   112     CxuiZoomSlider *mSlider; // zoom slider, not own, owned by the graphics scene

   113     HbToolBar *mToolbar; // not own, owned by the graphics scene

   114     HbWidget *mIndicators;

   115 

   116     bool   mControlsVisible;

   117     bool   mZoomVisible;

   118     QTimer mHideControlsTimeout;

   119 

   120     HbInstantFeedback mControlsFeedback;

   121     HbActivityManager *mActivityManager;

   122 };

   123 

   124 #endif // CXUIVIEW_H