homescreenapp/serviceproviders/hsmenuserviceprovider/src/hsmenuitemmodel.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:27:54 +0300
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permissions -rw-r--r--
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description: hsmenuitemmodel.cpp
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 *
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 */
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#include <hbnamespace.h>
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#include <HbInstance>
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#include <HbStyle>
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#include <cauninstallnotifier.h>
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#include <casoftwareregistry.h>
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#include "hsmenuitemmodel.h"
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#include "hsmenuserviceutils.h"
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#include "hsiconsidleloader.h"
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// Constants
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const QSizeF smallIconSize(55, 55);
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/*!
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 Constructor
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 \param query used to create model
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 \param pointer to parent object
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 */
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HsMenuItemModel::HsMenuItemModel(const CaQuery &query, QObject *parent) :
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    CaItemModel(query, parent),
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    mIconsIdleLoader(NULL)
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{
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    qreal size;
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    if (hbInstance->style()->parameter(
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            QString("hb-param-graphic-size-primary-large"), size)) {
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        setIconSize(QSizeF(size, size));
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    } else {
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        setIconSize(smallIconSize);
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    }    
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    mComponentId = 0;
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    mUninstallNotifier = 
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        CaSoftwareRegistry::create()->createUninstallNotifier();
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    connect(mUninstallNotifier, SIGNAL(progressChange(int, int)),
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            this, SLOT(uninstallChange(int, int)));
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}
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/*!
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 Destructor
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 */
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HsMenuItemModel::~HsMenuItemModel()
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{
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    if (!mIds.isEmpty()) {
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        mIds.clear();
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    }
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}
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/*!
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 Sets sort order in the model
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 */
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void HsMenuItemModel::setSort(
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    Hs::HsSortAttribute sortAttribute)
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{
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    HSMENUTEST_FUNC_ENTRY("HsMenuItemModel::setSort");
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    CaItemModel::setSort(HsMenuServiceUtils::sortBy(sortAttribute),
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                         HsMenuServiceUtils::sortOrder(sortAttribute));
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    HSMENUTEST_FUNC_EXIT(" HsMenuItemModel::setSort");
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}
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/*!
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 Returns data of particular collection
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 \param index
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 \param role
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 \retval
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 */
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QVariant HsMenuItemModel::data(const QModelIndex &index,
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                               int role) const
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{
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    HSMENUTEST_FUNC_ENTRY("HsMenuItemModel::data");
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    QVariant variant;
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    if (role == Qt::DecorationRole && secondLineVisibility()
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            && newIconNeeded(index)) {
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        QList<QVariant> icons;
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        icons << CaItemModel::data(index, role);
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        icons << HbIcon(Hs::newIconId);
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        variant = QVariant(icons);
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    } else if (role == Hb::IndexFeedbackRole){
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        QVariant display = CaItemModel::data(index, Qt::DisplayRole);
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        if (display.type() == QVariant::String){
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            variant = QVariant(display.toString().at(0).toUpper());;
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        } else {
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            variant = QVariant(display.toList().at(0).toString().at(0).toUpper());
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        }
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    } else {
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        variant = CaItemModel::data(index, role);
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    }
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    HSMENUTEST_FUNC_EXIT("HsMenuItemModel::data");
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    return variant;
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}
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/*!
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 Checks if blink icon needed for entry
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 \param entry entry representing an item
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 \retval decision
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 */
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bool HsMenuItemModel::newIconNeeded(const QModelIndex &index) const
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{
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    HSMENUTEST_FUNC_ENTRY("HsMenuItemModel::newIconNeeded");
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    bool result = false;
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    if (root().isValid()
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            && (!(entry(index)->flags() & UsedEntryFlag))
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            && entry(root())->entryTypeName() == Hs::collectionDownloadedTypeName) {
35
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        result = true;
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    }
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    HSMENUTEST_FUNC_EXIT("HsMenuItemModel::newIconNeeded");
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    return result;
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}
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/*!
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 Updating uninstall progress with value for each item
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  \param componentId Component Id of installed item
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  \param valueOfProgress % value of current progress
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 */
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void HsMenuItemModel::uninstallChange(int componentId, int valueOfProgress)
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{
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    if (componentId!=mComponentId) {
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        if (!mIds.isEmpty()) {
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            mIds.clear();
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        }
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        // get items list with same componentID
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        mIds = CaItemModel::getUninstallingEntriesIds(componentId);
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        mComponentId = componentId;
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    }
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    // update each item with progress value
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    foreach (int id, mIds) {
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        CaItemModel::updateProgress(id, valueOfProgress);
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    }
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}
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/*!
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 Start preloading icons if idle
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 \param entry entry representing an item
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 \retval void
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 */
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void HsMenuItemModel::preloadIcons()
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{
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    mIconsIdleLoader = new HsIconsIdleLoader(this, this);
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}