src/hbutils/theme/hbthemeservices.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:05:37 +0300
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permissions -rw-r--r--
Revision: 201031 Kit: 201033
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/****************************************************************************
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**
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (developer.feedback@nokia.com)
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**
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** This file is part of the HbUtils module of the UI Extensions for Mobile.
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at developer.feedback@nokia.com.
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**
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****************************************************************************/
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/*!
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    @proto
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    @hbutils
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    \class HbThemeServices
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    \brief HbThemeServices class is used to set and get current theme.
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    HbThemeServices class has static functions to change and query current theme. 
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*/ 
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#include "hbthemeservices_r.h"
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#include "hbthemeutils_p.h"
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#ifdef Q_OS_SYMBIAN
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#include <e32property.h>
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#include "hbthemecommon_symbian_p.h"
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#else
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#include "hbthemeclient_p.h"
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#endif
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#include <QSettings>
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/*!
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    Sets the active theme that is used with the Hb applications. HbTheme changed() signal will be emitted if theme change is
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    applied succesfully. In addition to the active theme content loading also the underlying priority themes will be updated
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    during the theme change.
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    Depending on the platform setTheme functionality might by restricted.
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    \param themePath, absolute path to the folder where themes index.theme file is located.
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*/
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void HbThemeServices::setTheme(const QString &themePath)
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{
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#ifdef Q_OS_SYMBIAN
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    RProperty themeRequestProp;
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    User::LeaveIfError( themeRequestProp.Attach( KServerUid3, KNewThemeForThemeChanger ) );
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    TBuf<256> newThemenameChangeRequest;
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    _LIT(KThemeRequestFormatter, "%d:%S");
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    TBuf<256> newThemename(themePath.utf16());
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    newThemenameChangeRequest.Format(KThemeRequestFormatter, EThemeSelection, &newThemename);
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    themeRequestProp.Set(newThemenameChangeRequest);
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    themeRequestProp.Close();
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#else
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    HbThemeClient::global()->setTheme(themePath);
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#endif	
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}
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/*!
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    Returns the absolute path to the active theme.
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    \return absolute path to the folder where the index.theme file of the active theme is located.        
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*/
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const QString HbThemeServices::themePath()
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{
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    QString path("");
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    HbThemeIndexInfo info = HbThemeUtils::getThemeIndexInfo(ActiveTheme);
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    if (info.address) {
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        path.append(info.path);
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        path.append("/icons/");
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        path.append(info.name);
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    }
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    return path;
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}
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/*!
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    Returns the list of available themes.
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    \return list of themes. First item of QPair is the unlocalized theme name
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    and the second item is the absolute path to the theme.
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*/
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const QList<QPair<QString, QString> > HbThemeServices::availableThemes()
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{
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    QList<QPair<QString, QString> > themes;
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    QStringList rootDirs;
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#ifdef Q_OS_SYMBIAN
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    QFileInfoList driveList = QDir::drives();
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    QString themesPath = "resource/hb/themes";
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    foreach(const QFileInfo & drive, driveList) {
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        QDir themeFolder(drive.absolutePath() + themesPath);
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        if (themeFolder.exists()) {
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            rootDirs << themeFolder.absolutePath();
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        }
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    }
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#else
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    QString envDir = QDir::fromNativeSeparators(qgetenv("HB_THEMES_DIR"));
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    if (!envDir.isEmpty())
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        rootDirs << envDir + "/themes";
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#endif
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    foreach(const QString &rootDir, rootDirs) {
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        QDir root = rootDir;
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        QDir dir = rootDir+"/icons";
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        QStringList themeNamesList = dir.entryList(QDir::AllDirs|QDir::NoDotAndDotDot,QDir::Name);
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        foreach(QString themeName, themeNamesList) {
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            QDir iconThemePath(dir.path()+'/'+themeName);
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            QFile themeIndexFile(root.path()+'/'+themeName+".themeindex");
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            if(themeIndexFile.exists() && iconThemePath.exists("index.theme")) {
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                QSettings iniSetting(iconThemePath.path()+"/index.theme",QSettings::IniFormat);
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                iniSetting.beginGroup("Icon Theme");
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                bool hidden = iniSetting.value("Hidden",true).toBool();
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                QString name = iniSetting.value("Name").toString();
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                iniSetting.endGroup();
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                if(!hidden && !name.isEmpty()) {
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                    themes.append(QPair<QString,QString>(name, iconThemePath.absolutePath()));
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                }
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            }
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        }
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    }
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    return themes;
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}