author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:15:28 +0300 | |
branch | RCL_3 |
changeset 34 | 90fe62538f66 |
permissions | -rw-r--r-- |
34
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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: |
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* |
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*/ |
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|
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#include <QDir> |
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#include <QStringList> |
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#include <QFileSystemWatcher> |
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#include <QPair> |
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#include <HbIcon> |
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#include "cpthemelistmodel.h" |
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#include "cpthemeinfo.h" |
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#include "cpthemeutil.h" |
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/* |
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CpThemeChangerModel provides an interface to the data contained in the |
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theme list using QAbstractListModel. |
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*/ |
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/* |
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Constructor |
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*/ |
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CpThemeListModel::CpThemeListModel(QObject* parent) |
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: QAbstractListModel(parent) |
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, mTopThemeList() |
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, mThemeList() |
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, mBottomThemeList() |
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, mFileWatcher(new QFileSystemWatcher(this)) |
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{ |
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//Build theme list |
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mThemeList = CpThemeUtil::buildThemeList(); |
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|
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//Look into theme paths and add a file watcher for it |
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//to get notified when themes are added. |
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QStringList themePaths = CpThemeUtil::themeDirectories(mThemeList); |
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if(!themePaths.empty()) { |
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mFileWatcher->addPaths(themePaths); |
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} |
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|
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connect(mFileWatcher, SIGNAL(directoryChanged(QString)), |
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this, SLOT(themeListChanged())); |
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} |
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/* |
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Destructor |
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*/ |
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CpThemeListModel::~CpThemeListModel() |
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{ |
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delete mFileWatcher; |
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mFileWatcher = 0; |
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} |
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|
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/* |
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Reimplemented from QAbstractListModel. |
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*/ |
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int CpThemeListModel::rowCount(const QModelIndex&) const |
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{ |
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return mTopThemeList.size() + |
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mThemeList.size() + |
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mBottomThemeList.size(); |
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} |
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|
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/* |
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Reimplemented from QAbstractListModel. |
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*/ |
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QVariant CpThemeListModel::data(const QModelIndex& index, int role) const |
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{ |
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QVariant retVal = QVariant(); |
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|
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if (index.isValid()) { |
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// figure out which list we're in and do the appropriate mapping |
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int row = index.row(); |
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const QList<CpThemeInfo> *list = 0; |
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if (row < mTopThemeList.size()) { |
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list = &mTopThemeList; |
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} else { |
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row -= mTopThemeList.size(); |
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if ( row < mThemeList.size() ) { |
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list = &mThemeList; |
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} else { |
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row -= mThemeList.size(); |
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if ( row < mBottomThemeList.size() ) { |
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list = &mBottomThemeList; |
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} |
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} |
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} |
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|
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if (list) { |
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switch (role) { |
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case Qt::DisplayRole: |
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retVal = list->at(row).name(); |
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break; |
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|
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case Qt::SizeHintRole: |
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retVal = list->at(row).icon().size(); |
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break; |
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|
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case ItemDataRole: |
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retVal = list->at(row).itemData(); |
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break; |
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|
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case ItemTypeRole: |
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retVal = QVariant::fromValue<CpThemeInfo::ThemeListItemType>(list->at(row).itemType()); |
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break; |
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|
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default: |
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// do nothing |
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qt_noop(); |
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} |
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} |
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} |
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|
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return retVal; |
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} |
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|
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/* |
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Responds appropriately when the underlying data in the theme changer is modified. |
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|
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Unfortunately the directory watcher from QFileWatcher only says when something changed |
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not what changed. Therefore the model is considered reset rather than having rows |
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with dataChanged. |
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*/ |
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void CpThemeListModel::themeListChanged() |
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{ |
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beginResetModel(); |
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if(!mThemeList.empty()) { |
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mThemeList.clear(); |
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} |
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mThemeList = CpThemeUtil::buildThemeList(); |
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|
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endResetModel(); |
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} |
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/*! |
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* Returns index of theme infor within the theme list. |
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*/ |
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int CpThemeListModel::indexOf(const CpThemeInfo& theme) const |
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{ |
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return mThemeList.indexOf(theme); |
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} |