1 /*

     2  * Copyright (c) 2009 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:  

    15  *

    16  */

    17 

    18 #ifndef INFOWIDGETLAYOUTMANAGER_H

    19 #define INFOWIDGETLAYOUTMANAGER_H

    20 

    21 #include <QObject>

    22 #include <QList>

    23 #include <QSizeF>

    24 #include <QRectF>

    25 #include <QMap>

    26 #include <hbdocumentloader.h>

    27 

    28 class QGraphicsLayout; 

    29 class QGraphicsWidget;

    30 class HbLabel;

    31 class HbIconItem;

    32 class HbPushButton;

    33 class HbMarqueeItem;

    34 class HbCheckBox; 

    35 

    36 /*!

    37  */

    38 class InfoWidgetDocumentLoader : public HbDocumentLoader

    39 {

    40 public:

    41     InfoWidgetDocumentLoader();

    42     virtual QObject *createObject(const QString& type,

    43                                   const QString &name);

    44 };

    45 

    46 class InfoWidgetLayoutManager : public QObject

    47 {

    48     Q_OBJECT

    49     

    50 public: 

    51     

    52     enum LayoutItemRole {

    53         RoleUndefined = 0,

    54         // Content widget, the main widget from document 

    55         RoleContent,

    56         // Marquee items 

    57         RoleMcnMarqueeItem,

    58         RoleSatMarqueeItem,

    59         // Labels 

    60         RoleSpnLabel,

    61         RoleMcnLabel, 

    62         RoleSatTextLabel,

    63         // Icons

    64         RoleSpnIcon, 

    65         RoleMcnIcon, 

    66         RoleSatTextIcon, 

    67         // Check boxes 

    68         RoleSpnCheckBox,

    69         RoleMcnCheckBox, 

    70         RoleSatTextCheckBox,

    71         // Buttons 

    72         RoleOkButton,

    73         // Layout containers

    74         RoleContainer, 

    75         RoleSettingsContainer, 

    76         // Must be the last enumeration        

    77         RoleLastEnum

    78         }; 

    79     

    80     enum DisplayRole {

    81         InfoDisplay,

    82         SettingsDisplay

    83         }; 

    84     

    85     InfoWidgetLayoutManager(QObject *parent = 0);

    86     ~InfoWidgetLayoutManager();

    87     

    88     void destroyObjects(); 

    89     

    90     DisplayRole currentDisplayRole(); 

    91     QList<LayoutItemRole> currentWidgetRoles(); 

    92     

    93     int layoutRows() const; 

    94     void setLayoutRows(int rows);

    95     qreal rowHeight() const; 

    96     

    97     QGraphicsLayout* layoutInfoDisplay();

    98     QGraphicsLayout* layoutSettingsDisplay(); 

    99     

   100     const QList<InfoWidgetLayoutManager::LayoutItemRole> widgetRoles(

   101             DisplayRole displayRole) const; 

   102 

   103     bool loadWidgets(const DisplayRole displayRole, 

   104             const QList<LayoutItemRole> &displayWidgets,

   105             QMap<LayoutItemRole, QGraphicsWidget *> &widgetMap);

   106     bool reloadWidgets(const DisplayRole displayRole);

   107     

   108     QGraphicsWidget* loadWidget(InfoWidgetDocumentLoader &loader, 

   109             DisplayRole displayRole, 

   110             LayoutItemRole widgetRole);

   111     

   112     QGraphicsWidget* getWidget(LayoutItemRole itemRole);

   113     QGraphicsWidget* contentWidget();

   114     

   115     void removeWidget(LayoutItemRole itemRole);

   116     void hideWidget(LayoutItemRole itemRole);

   117     void hideAll();

   118     void showAll();

   119     

   120     

   121 private:

   122     QMap<LayoutItemRole, QGraphicsWidget *> m_widgets; 

   123     QMap<LayoutItemRole, QGraphicsWidget *> m_infoDisplayWidgets; 

   124     QMap<LayoutItemRole, QGraphicsWidget *> m_settingsDisplayWidgets; 

   125 

   126     InfoWidgetDocumentLoader *m_documentLoader;

   127     DisplayRole m_displayRole; 

   128     int m_layoutRows;

   129     

   130 };

   131 

   132 

   133 #endif // INFOWIDGETLAYOUTMANAGER_H

   134