/****************************************************************************

**

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

** All rights reserved.

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

**

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

**

** GNU Lesser General Public License Usage

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

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

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

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

** Public License version 2.1 requirements will be met:

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

**

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

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

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

**

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

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

**

****************************************************************************/

#include "hbdocumentloaderfactory_p.h"

#include <QObject>

#include <QString>

#include <QByteArray>

#include <QGraphicsWidget>

#if QT_VERSION >= 0x040600 && defined(HBUTILS_WEBKIT)

#include <QGraphicsWebView>

#endif // QT_VERSION

#include <hbwidget.h>

#include <hbpushbutton.h>

#include <hblineedit.h>

#include <hbdatetimeedit.h>

#include <hbsearchpanel.h>

#include <hbmenu.h>

#include <hbview.h>

#include <hbprogressbar.h>

#include <hbscrollbar.h>

#include <hbstackedwidget.h>

#include <hbslider.h>

#include <hbsliderpopup.h>

#include <hbtoolbar.h>

#include <hblabel.h>

#include <hbdialog.h>

#include <hbtooltip.h>

#include <hblistview.h>

#include <hblistwidget.h>

#include <hbaction.h>

#include <hbzoomsliderpopup.h>

#include <hbvolumesliderpopup.h>

#include <hbscrollarea.h>

#include <hbgridview.h>

#include <hbradiobuttonlist.h>

#include <hbtextedit.h>

#include <hbratingslider.h>

#include <hbmessagebox.h>

#include <hbcheckbox.h>

#include <hbprogressslider.h>

#include <hbinputdialog.h>

#include <hbcolordialog.h>

#include <hblistdialog.h>

#include <hbcombobox.h>

#include <hbgroupbox.h>

#include <hbtreeview.h>

#include <hbtransparentwindow.h>

#include <hbdataform.h>

#include <hbabstractviewitem.h>

#include <hblistviewitem.h>

#include <hbdatetimepicker.h>

#include <hbgridviewitem.h>

#include <hbtreeviewitem.h>

#include <hbdataformviewitem.h>

enum HbDocumentLoaderFactoryWidgetRoles {

    HbWidgetRoleUnknown, // needs to be the first one = 0

    HbWidgetRoleViewWidget,

    HbWidgetRoleViewToolBar,

    HbWidgetRoleViewMenu,

    HbWidgetRoleMenuSubmenu,

    HbWidgetRolePopupHeadingWidget,

    HbWidgetRolePopupContentWidget,

    HbWidgetRoleScrollAreaContents,

    HbWidgetRoleListViewPrototype,  // deprecated

    HbWidgetRoleGroupBoxContentWidget,

    HbWidgetRoleAbstractViewPrototype,

    HbWidgetRoleAmount // needs to be the last one

};

enum HbDocumentLoaderFactoryObjectRoles {

    HbObjectRoleUnknown, // needs to be the first one = 0

    HbObjectRoleDialogPrimaryAction,

    HbObjectRoleDialogSecondaryAction,

    HbObjectRoleMenuAction,

    HbObjectRoleToolBarAction,

    HbObjectRoleAmount // needs to be the last one

};

struct HbDocumentLoaderFactoryKnownValue

{

    const char *name;

    int id;

};

// Used in binary seacrh, so keep name fields in alphabetical order.

const HbDocumentLoaderFactoryKnownValue widgetRoles[HbWidgetRoleAmount - 1] =

{

    { "HbAbstractView:prototype", HbWidgetRoleAbstractViewPrototype },

    { "HbDialog:contentWidget", HbWidgetRolePopupContentWidget },

    { "HbDialog:headingWidget", HbWidgetRolePopupHeadingWidget },

    { "HbGroupBox:contentWidget", HbWidgetRoleGroupBoxContentWidget },

    { "HbListView:prototype", HbWidgetRoleListViewPrototype },  // deprecated

    { "HbMenu:menu", HbWidgetRoleMenuSubmenu },

    { "HbScrollArea:contents", HbWidgetRoleScrollAreaContents },

    { "HbView:menu", HbWidgetRoleViewMenu },

    { "HbView:toolBar", HbWidgetRoleViewToolBar },

    { "HbView:widget", HbWidgetRoleViewWidget }

};

// Used in binary seacrh, so keep name fields in alphabetical order.

const HbDocumentLoaderFactoryKnownValue objectRoles[HbObjectRoleAmount - 1] =

{

    { "HbDialog:primaryAction", HbObjectRoleDialogPrimaryAction },

    { "HbDialog:secondaryAction", HbObjectRoleDialogSecondaryAction },

    { "HbMenu:addAction", HbObjectRoleMenuAction },

    { "HbToolBar:addAction", HbObjectRoleToolBarAction }

};

inline bool operator<(

        const QString &name, const HbDocumentLoaderFactoryKnownValue &prop)

{

    return QString::compare(name, QLatin1String(prop.name), Qt::CaseSensitive) < 0;

}

inline bool operator<(

        const HbDocumentLoaderFactoryKnownValue &prop, const QString &name)

{

    return QString::compare(QLatin1String(prop.name), name, Qt::CaseSensitive) < 0;

}

inline int findKnownValue(

    const QString &name,

    const HbDocumentLoaderFactoryKnownValue *start,

    int numValues)

{

    const HbDocumentLoaderFactoryKnownValue *end = &start[numValues - 1];

    const HbDocumentLoaderFactoryKnownValue *prop = qBinaryFind(start, end, name);

    if (prop == end) {

        return 0;

    }

    return prop->id;

}

/*

    \class HbDocumentLoaderFactory

    \internal

    \proto

    This \c HbDocumentLoaderFactory class is used to perform widget specific actions,

    such as creation of the widgets, which cannot be handled using QT's meta object system.

*/

HbDocumentLoaderFactory::HbDocumentLoaderFactory()

{

}

HbDocumentLoaderFactory::~HbDocumentLoaderFactory()

{

}

/*

    Creates instance of specified type and given object name.

    \param type type of the instance.

    \param name object name of the instance.

    \return newly created object.

*/

QObject *HbDocumentLoaderFactory::create(const QString& type, const QString& name)

{

    QObject *result = 0;

    const QByteArray typeArray = type.toUtf8();

    const char *typeString = typeArray.constData();

    #define CHECK_OBJECT_0(T) else if (!qstrcmp(typeString, #T)) { result = new T(); }

    if (result) {

        // unreachable, intentional

    }

    CHECK_OBJECT_0(QObject)

    CHECK_OBJECT_0(QGraphicsWidget)

    CHECK_OBJECT_0(HbWidget)

    CHECK_OBJECT_0(HbPushButton)

    CHECK_OBJECT_0(HbLabel)

    CHECK_OBJECT_0(HbMenu)

    CHECK_OBJECT_0(HbView)

    CHECK_OBJECT_0(HbSlider)

    CHECK_OBJECT_0(HbLineEdit)

    CHECK_OBJECT_0(HbDateTimeEdit)

    CHECK_OBJECT_0(HbSearchPanel)

    CHECK_OBJECT_0(HbToolBar)

    CHECK_OBJECT_0(HbScrollBar)

    CHECK_OBJECT_0(HbListView)

    CHECK_OBJECT_0(HbListWidget)

    CHECK_OBJECT_0(HbDialog)

    CHECK_OBJECT_0(HbProgressBar)

    CHECK_OBJECT_0(HbStackedWidget)

    CHECK_OBJECT_0(HbAction)

    CHECK_OBJECT_0(HbRadioButtonList)

    CHECK_OBJECT_0(HbZoomSliderPopup)

    CHECK_OBJECT_0(HbVolumeSliderPopup)

    CHECK_OBJECT_0(HbSliderPopup)

    CHECK_OBJECT_0(HbScrollArea)

    CHECK_OBJECT_0(HbGridView)

    CHECK_OBJECT_0(HbTextEdit)

    CHECK_OBJECT_0(HbCheckBox)

    CHECK_OBJECT_0(HbProgressSlider)

    CHECK_OBJECT_0(HbListDialog)

    CHECK_OBJECT_0(HbColorDialog)

    CHECK_OBJECT_0(HbRatingSlider)

    CHECK_OBJECT_0(HbInputDialog)

    CHECK_OBJECT_0(HbMessageBox)

    CHECK_OBJECT_0(HbComboBox)

    CHECK_OBJECT_0(HbGroupBox)

    CHECK_OBJECT_0(HbTreeView)

    CHECK_OBJECT_0(HbTransparentWindow)

    CHECK_OBJECT_0(HbDataForm)

    CHECK_OBJECT_0(HbListViewItem)

    CHECK_OBJECT_0(HbDateTimePicker)

    CHECK_OBJECT_0(HbGridViewItem)

    CHECK_OBJECT_0(HbDataFormViewItem)

    CHECK_OBJECT_0(HbTreeViewItem)

#if QT_VERSION >= 0x040600 && defined(HBUTILS_WEBKIT)

    CHECK_OBJECT_0(QGraphicsWebView)

#endif

    else {

    }

    if (result) {

        result->setObjectName(name);

    }

    return result;

}

/*

    Sets child widget to specified role in parent widget.

    If role is not specified, then basic parent-child relationship is created.

    \param parent parent widget.

    \param child child widget.

    \param role desired role for child widget.

    \return true upon success, false on failure.

*/

bool HbDocumentLoaderFactory::setWidgetRole(

    QGraphicsWidget *parent, QGraphicsWidget *child, const QString &role)

{

    if (role.isEmpty()) {

        child->setParentItem(parent);

        return true;

    }

    bool success = true;

    switch (findKnownValue(role, widgetRoles, HbWidgetRoleAmount)) {

    case HbWidgetRoleViewWidget:

        {

            HbView *view = qobject_cast<HbView *>(parent);

            success = (view != 0);

            if (view) {

                view->setWidget(child);

            }

        }

        break;

    case HbWidgetRolePopupHeadingWidget:

        {

            HbDialog *popup = qobject_cast<HbDialog *>(parent);

            success = (popup != 0);

            if (popup) {

                popup->setHeadingWidget(child);

            }

        }

        break;

    case HbWidgetRoleGroupBoxContentWidget:

        {

            HbGroupBox *groupBox = qobject_cast<HbGroupBox *>(parent);

            success = (groupBox != 0);

            if(groupBox) {

                groupBox->setContentWidget(qobject_cast<HbWidget *>(child));

            }

        }

        break;

    case HbWidgetRolePopupContentWidget:

        {

            HbDialog *popup = qobject_cast<HbDialog *>(parent);

            success = (popup != 0);

            if (popup) {

                popup->setContentWidget(child);

            }

        }

        break;

    case HbWidgetRoleViewToolBar:

        {

            HbView *view = qobject_cast<HbView *>(parent);

            success = (view != 0);

            if (view) {

                child->setParentItem(parent);

                view->setToolBar(qobject_cast<HbToolBar *>(child));

            }

        }

        break;

    case HbWidgetRoleViewMenu:

        {

            HbView *view = qobject_cast<HbView *>(parent);

            success = (view != 0);

            if (view) {

                view->setMenu(qobject_cast<HbMenu *>(child));

            }

        }

        break;

    case HbWidgetRoleMenuSubmenu:

        {

            HbMenu *menu = qobject_cast<HbMenu *>(parent);

            success = (menu != 0);

            if (menu) {

                menu->addMenu(qobject_cast<HbMenu *>(child));

            }

        }

        break;

    case HbWidgetRoleScrollAreaContents:

        {

            HbScrollArea *scrollArea = qobject_cast<HbScrollArea *>(parent);

            success = (scrollArea != 0);

            if (scrollArea) {

                scrollArea->setContentWidget(child);

            }

        }

        break;

    case HbWidgetRoleAbstractViewPrototype:

        {

            HbAbstractItemView *view = qobject_cast<HbAbstractItemView *>(parent);

            HbAbstractViewItem *item = qobject_cast<HbAbstractViewItem *>(child);

            if (view && item) {

                success = true;

                view->setItemPrototype(item);

            } else {

                success = false;

            }

        }

        break;

    case HbWidgetRoleListViewPrototype:

        {

            HbListView *view = qobject_cast<HbListView *>(parent);

            HbAbstractViewItem * item = qobject_cast<HbAbstractViewItem *>(child);

            if (view && item) {

                success = true;

                view->setItemPrototype(item);

            } else {

                success = false;

            }

        }

        break;

    case HbWidgetRoleUnknown:

    default:

        success = false;

        break;

    }

    return success;

}

bool HbDocumentLoaderFactory::setObjectRole(

    QObject *parent, QObject *child, const QString &role)

{

    if (role.isEmpty()) {

        child->setParent(parent);

        return true;

    }

    bool success = true;

    switch (findKnownValue(role, objectRoles, HbObjectRoleAmount)) {

    case HbObjectRoleDialogPrimaryAction:

        {

            HbDialog *popup = qobject_cast<HbDialog *>(parent);

            success = (popup != 0);

            if (popup) {

                popup->setPrimaryAction(qobject_cast<HbAction *>(child));

            }

        }

        break;

    case HbObjectRoleDialogSecondaryAction:

        {

            HbDialog *popup = qobject_cast<HbDialog *>(parent);

            success = (popup != 0);

            if (popup) {

                popup->setSecondaryAction(qobject_cast<HbAction *>(child));

            }

        }

        break;

    case HbObjectRoleMenuAction:

        {

            HbMenu *menu = qobject_cast<HbMenu *>(parent);

            success = (menu != 0);

            if (menu) {

                menu->addAction(qobject_cast<QAction *>(child));

            }

        }

        break;

    case HbObjectRoleToolBarAction:

        {

            HbToolBar *toolBar = qobject_cast<HbToolBar *>(parent);

            success = (toolBar != 0);

            if (toolBar) {

                toolBar->addAction(qobject_cast<HbAction *>(child));

            }

        }

        break;

    case HbObjectRoleUnknown:

    default:

        success = false;

        break;

    }

    return success;

}