author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:06:34 +0300 | |
branch | RCL_3 |
changeset 82 | 5f0182e07bfb |
permissions | -rw-r--r-- |
82
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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: Proxy model for view in add to homescreen mode. |
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* |
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*/ |
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|
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#include <QObject> |
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#include <canotifier.h> |
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|
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#include "hscontentservice.h" |
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#include "hsaddmodeproxymodel.h" |
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#include "hsmenuitemmodel.h" |
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#include "hsapplibstateutils.h" |
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/*! |
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\class HsAddModeProxyModel |
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\ingroup group_hsmenustateplugin |
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\brief Proxy Model for add to homescreen mode. |
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Filtering cwrt widgets to not displaing them in add mode when they are alredy present on HS. |
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\lib ?library |
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\see QSortFilterProxyModel |
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*/ |
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|
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/*! |
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Constructor. |
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\param parent parent for object. |
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*/ |
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HsAddModeProxyModel::HsAddModeProxyModel(QObject *parent) : |
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QSortFilterProxyModel(parent), |
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mCwrtWidgetCache(), |
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mQuery() |
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{ |
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initilizeCwrtWidgetCache(); |
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invalidateFilter(); |
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connect(HsContentService::instance(), |
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SIGNAL(widgetAdded(const QString &, const QVariantHash &)), |
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this, SLOT(updateCacheOnAddWidget(const QString&, const QVariantHash&))); |
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connect(HsContentService::instance(), |
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SIGNAL(widgetRemoved(const QString &, const QVariantHash &)), |
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this, SLOT(updateCacheOnRemoveWidget(const QString&, const QVariantHash&))); |
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// create notifier for a cwrt widgets with query created in initilizeCwrtWidgetCache |
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CaNotifierFilter filter(mQuery); |
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mNotifier.reset(CaService::instance()->createNotifier(filter)); |
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connect(mNotifier.data(), |
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SIGNAL(entryChanged(const CaEntry&, ChangeType)), |
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this, |
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SLOT(updateEntryStatus(const CaEntry&, ChangeType))); |
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} |
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|
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/* |
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Destructor. |
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*/ |
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HsAddModeProxyModel::~HsAddModeProxyModel() |
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{ |
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} |
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|
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void HsAddModeProxyModel::initilizeCwrtWidgetCache() |
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{ |
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QStringList entryTypeNames; |
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entryTypeNames.append(Hs::applicationTypeName); |
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mQuery.setEntryTypeNames(entryTypeNames); |
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mQuery.setAttribute(Hs::swTypeKey, Hs::HS_CWRT_APP_TYPE); |
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mQuery.setAttribute(Hs::widgetUriAttributeName, |
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Hs::HS_WIDGET_URI_ATTRIBUTE_CWRT_VALUE); |
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QList< QSharedPointer<CaEntry> > entries = |
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CaService::instance()->getEntries(mQuery); |
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foreach (QSharedPointer<CaEntry> entry, entries) { |
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QVariantHash preferences; |
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QMap<QString, QString> attributes = entry->attributes(); |
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QMapIterator<QString, QString> i(attributes); |
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while (i.hasNext()) { |
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i.next(); |
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QString key(i.key()); |
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QString value(i.value()); |
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if (key.contains(Hs::widgetParam)) { |
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preferences.insert(key.remove(Hs::widgetParam),value); |
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} |
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} |
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int count(0); |
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HsContentService::instance()->widgets( |
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Hs::HS_WIDGET_URI_ATTRIBUTE_CWRT_VALUE,preferences,count); |
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mCwrtWidgetCache.insert(entry->id(), count > 0); |
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} |
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} |
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/* |
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Reimplementated from QSortFilterProxyModel to forward signals from CaItemModel. |
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\param sourceModel source model. |
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*/ |
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void HsAddModeProxyModel::setSourceModel(QAbstractItemModel *sourceModel) |
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{ |
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QSortFilterProxyModel::setSourceModel(sourceModel); |
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connect(sourceModel, |
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SIGNAL(scrollTo(int, QAbstractItemView::ScrollHint)), |
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107 |
this, |
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SIGNAL(scrollTo(int, QAbstractItemView::ScrollHint))); |
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connect(sourceModel, |
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SIGNAL(countChange()), |
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111 |
this, |
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SIGNAL(countChange())); |
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} |
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114 |
|
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115 |
/*! |
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Return entryid for given Cwrt with mini view widget. |
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\param uri of a widget. |
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\param preferences widget preferences. |
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\retval int entry id or 0 for not cwrt with mini view widgets. |
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*/ |
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int HsAddModeProxyModel::findCwrtWidgetEntryId(const QVariantHash &preferences) |
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{ |
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int result = 0; |
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CaQuery query; |
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QStringList entryTypeNames; |
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query.setEntryTypeNames(entryTypeNames); |
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query.setAttribute(Hs::swTypeKey, Hs::HS_CWRT_APP_TYPE); |
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query.setAttribute(Hs::widgetUriAttributeName, |
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Hs::HS_WIDGET_URI_ATTRIBUTE_CWRT_VALUE); |
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foreach (QString key, preferences.keys()) { |
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query.setAttribute(Hs::widgetParam+key, |
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preferences.value(key).toString()); |
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} |
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QList< QSharedPointer<CaEntry> > entries = |
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CaService::instance()->getEntries(query); |
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if( entries.count() > 0 ) |
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{ |
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result = entries[0]->id(); |
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} |
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return result; |
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} |
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|
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/* |
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Slot called when widget is added to homescreen. |
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If widget is removed we checkhow many instance of this widget is left on HS. |
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\param uri of a widget. |
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\param preferences widget preferences. |
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*/ |
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void HsAddModeProxyModel::updateCacheOnAddWidget(const QString &uri, |
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const QVariantHash &preferences){ |
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if (uri == Hs::HS_WIDGET_URI_ATTRIBUTE_CWRT_VALUE) { |
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int entryId = findCwrtWidgetEntryId(preferences); |
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if (!mCwrtWidgetCache.value(entryId) ) { |
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mCwrtWidgetCache.insert(entryId,true); |
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invalidateFilter(); |
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} |
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} |
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} |
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|
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/* |
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Slot called when widget is removed from homescreen. |
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If widget is removed we checkhow many instance of this widget is left on HS. |
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\param uri of a widget. |
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\param preferences widget preferences. |
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*/ |
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void HsAddModeProxyModel::updateCacheOnRemoveWidget(const QString &uri, |
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const QVariantHash &preferences) |
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{ |
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if (uri == Hs::HS_WIDGET_URI_ATTRIBUTE_CWRT_VALUE) { |
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int entryId = findCwrtWidgetEntryId(preferences); |
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if (mCwrtWidgetCache.value(entryId)) { |
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mCwrtWidgetCache.insert(entryId,false); |
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invalidateFilter(); |
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} |
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} |
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} |
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177 |
|
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/* |
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Reimplementated from QSortFilterProxyModel. |
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\param source_row row in source model. |
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\param source_parent source parent index. |
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*/ |
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bool HsAddModeProxyModel::filterAcceptsRow(int source_row, |
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const QModelIndex &source_parent) const |
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{ |
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QVariant entryId = sourceModel()->data( |
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sourceModel()->index(source_row,0,source_parent), |
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CaItemModel::IdRole); |
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return !mCwrtWidgetCache.value(entryId.toInt()); |
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} |
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191 |
|
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/* |
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Update cache if some cwrt widgets were install/uninstal/update or on mmc card. |
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\param entry changed entry. |
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\param changeType the type of the change. |
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*/ |
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void HsAddModeProxyModel::updateEntryStatus(const CaEntry &entry, ChangeType changeType) |
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{ |
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if (changeType == RemoveChangeType) { |
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mCwrtWidgetCache.remove(entry.id()); |
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} else { |
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mCwrtWidgetCache.insert(entry.id(), |
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HsAppLibStateUtils::isCWRTWidgetOnHomeScreen(&entry)); |
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} |
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} |
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Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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