1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbCore module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #ifndef HBPOPUPMANAGER_P_P_H

    27 #define HBPOPUPMANAGER_P_P_H

    28 

    29 #include "hbdialog.h"

    30 #include "hbpopup.h"

    31 #include "hbdevicefadecontrol_p.h"

    32 #include <QGraphicsItem>

    33 #include <QHash>

    34 #include <QList>

    35 #include <QPointer>

    36 

    37 class HbDialog;

    38 class HbGraphicsScene;

    39 class HbPopupLayoutManager;

    40 

    41 QT_FORWARD_DECLARE_CLASS(QEvent)

    42 QT_FORWARD_DECLARE_CLASS(QGraphicsSceneMouseEvent)

    43 

    44 class HbPopupManagerPrivate : public QObject

    45 {

    46     Q_OBJECT

    47 public:

    48     explicit HbPopupManagerPrivate( HbGraphicsScene *scene, QObject * parent = 0 );

    49     virtual ~HbPopupManagerPrivate();

    50 

    51 public:

    52     void eventHook( QEvent *event);

    53     void showPopup( HbPopup *popup );

    54     void hidePopup( HbPopup *popup );

    55     void addPopup( HbPopup *popup );

    56     void removePopup( HbPopup *popup );

    57 

    58 private:

    59 

    60     void mouseReleaseEvent(QGraphicsSceneMouseEvent* mouseEvent);

    61     bool eventBlockItem(QGraphicsItem *item);

    62     static qreal popupZValueForPriority(int priority, int popupCountWaterMark);

    63     qreal nextPopupZValueForPriority(int priority);

    64     void updateHash(int priority, qreal zValueOfRemovedPopup);

    65     void updateFading(bool unfadeFirst = false);

    66     void setGeometryForPopup(HbPopup *popup);

    67 

    68 private slots:

    69     void deviceFadeChange( bool fadeOff );

    70 

    71 private:

    72 

    73     class GraphicsItem: public QGraphicsItem

    74     {

    75         friend class HbPopupManagerPrivate;

    76     };

    77 

    78     struct PopupCountRegister

    79     {

    80         PopupCountRegister():waterMark(0), count(0){}

    81         int waterMark;

    82         int count;

    83     };

    84 

    85     QList<HbPopup *> popupList;

    86     HbPopup *topLevelFocusablePopup;

    87     QGraphicsItem *initialFocusedItem;

    88     QHash<int, PopupCountRegister> popupCountRegisters;

    89     HbDeviceFadeControl deviceFadeControl;

    90     HbGraphicsScene *scene;

    91     QMap<HbPopup *,HbPopupLayoutManager*> parentItems; 

    92 };

    93 

    94 class HbPopupLayoutSpacer: public HbWidgetBase

    95 {

    96 public:

    97     HbPopupLayoutSpacer( QGraphicsItem *parent = 0 );

    98     virtual ~HbPopupLayoutSpacer() {}

    99 protected:

   100     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

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

   102 };

   103 

   104 class HbPopupLayoutProxy : public HbWidgetBase 

   105 {

   106 public:

   107     HbPopupLayoutProxy( HbPopup *popup, QGraphicsItem *parent );

   108     virtual ~HbPopupLayoutProxy() {}

   109     QPointer<HbPopup> mPopup;

   110     QPointF mPreferredPos;

   111     bool mPreferredPosSet;

   112     HbPopup::Placement mPlacement;

   113 

   114 protected:

   115     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

   116     void setGeometry(const QRectF &rect);

   117     bool event( QEvent *e );

   118     bool eventFilter(QObject *obj, QEvent *event);

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

   120 

   121 };

   122 

   123 class HbPopupLayoutManager : public HbWidget

   124 {

   125     Q_OBJECT

   126 public:

   127     HbPopupLayoutManager( HbPopup *popup, QGraphicsScene *scene );

   128     virtual ~HbPopupLayoutManager() {}

   129 public slots:

   130       void  orientationChanged(const QRectF& rect);

   131 protected:

   132     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const;

   133     void changeEvent(QEvent *event);

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

   135 };

   136 

   137 #endif // HBPOPUPMANAGER_P_P_H

   138