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

**

** 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 HbCore 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 "hbstandarddirs_p.h"

#include "hbicontheme_p.h"

#include "hblayeredstyleloader_p.h"

#include "hbthemeutils_p.h"

#include <QtCore/QCoreApplication>

#include <QtCore/QDir>

#include <QtCore/QFile>

#include <QtCore/qdebug.h>

#include <QtAlgorithms>

#include <QResource>

#include <sys/stat.h>

// Private API

// WARNING: This API is at prototype level and shouldn't be used before

// the resource fetching with theming is fully implemented

class HbStandardDirsInstance

{

public:

    HbStandardDirsInstance();

    ~HbStandardDirsInstance();

    void clearIconDirs();

    // Explicitly add/remove dir in cached dir contents

    void addIconDir( const QString &dir );

    void removeIconDir( const QString &dir );

    // Return icon filename if it exists in file system,

    // otherwise return empty string.

    QString findIcon( const QString &fullFileName );

    QStringList additionalRootPath();

    int fileSize(QByteArray fileName);

private:

    // Cached contents of icon directories

    QMap<QString, QStringList> iconDirs;

};

// Static instance

static HbStandardDirsInstance instance;

class HbResource : public QResource

{

public:

    HbResource( const QString &dir ):QResource( dir ){}

    QStringList entryList() {

        return children();

    }

};

HbStandardDirsInstance::HbStandardDirsInstance()

{

}

HbStandardDirsInstance::~HbStandardDirsInstance()

{

}

void HbStandardDirsInstance::clearIconDirs()

{

    iconDirs.clear();

}

void HbStandardDirsInstance::addIconDir( const QString &dir )

{

    QStringList list;

    if (dir.startsWith(QLatin1Char( ':' ))) {

        // try to find all files assuming its a resource directory

        HbResource resource(dir);

        if (resource.isValid()) {

            list = resource.entryList();

        }

    }

    else {

        QDir directory(dir);

        // File list is sorted by filename so binary search used in findIcon function works.

        // The sorting of QDirSortItems is slow, so we sort the resulting strings instead:

        // QStringList list = directory.entryList(QDir::Files, QDir::Name | QDir::IgnoreCase);

        list = directory.entryList(QDir::Files, QDir::Unsorted);

    }

    list.sort();

    iconDirs.insert( dir, list );

}

void HbStandardDirsInstance::removeIconDir( const QString &dir )

{

    iconDirs.remove(dir);

}

QString HbStandardDirsInstance::findIcon( const QString &fullFileName )

{

    // Enable this for profiling memory consumption.

    // It counts how many characters are stored in the directory contents cache.

#if 0

    int charSize = 0;

    for (QMap<QString, QStringList>::const_iterator z = iconDirs.constBegin(); z != iconDirs.constEnd(); ++z) {

        QStringList list = z.value();

        charSize += iconDirs.key(list).length();

        for (int zz=0; zz<list.count(); ++zz) {

            charSize += list[zz].length();

        }

    }

#endif

    // Store path

    QString fullFileNameLocal = fullFileName;

    // Find the directory part from the full filename

    int index1 = fullFileNameLocal.lastIndexOf('/');

    int index2 = fullFileNameLocal.lastIndexOf('\\');

    int index = index1 > index2 ? index1 : index2;

    if (index > 0) {

        QString dir = fullFileNameLocal.left(index);

        // Try to fetch the dir from the cached dir contents

        QMap<QString, QStringList>::const_iterator i = iconDirs.find(dir);

        // Dir not found, add it

        if (i == iconDirs.constEnd()) {

            QDir LocalDir(dir) ;

            if(LocalDir.exists()) {

                addIconDir(dir);

                i = iconDirs.find(dir);

            }

        }

        if(i != iconDirs.constEnd()) {

            QStringList list = i.value();

            // Search for the file from the cached dir contents

            if (!list.isEmpty()) {

                QString file = fullFileNameLocal.right(fullFileNameLocal.length() - index - 1);

                // Remove extension

                int extensionIndex = file.lastIndexOf('.');

                int extensionLength = 0;

                bool searchAllIconExtensions = true;

                if (extensionIndex > 0) {

                        searchAllIconExtensions = false;

                }

                // If no extension was given or given extension is one of the supported ones, search

                // for icons with all the supported icon file extensions

                if (searchAllIconExtensions) {

                    foreach (const QString &extension, extList) {

                        if (qBinaryFind(list, file + extension) != list.constEnd()) {

                            // Icon found, return its full path with the correct extension

                            if (extensionLength) {

                                return fullFileName.left(fullFileName.length() - extensionLength) + extension;

                            }

                            else {

                                return fullFileName + extension;

                            }

                        }

                    }

                } else {

                    // Some other extension was given (e.g. ".theme"), search only for that file.

                    if (qBinaryFind(list, file) != list.constEnd()) {

                        return fullFileName;

                    }

                }

            }

        }

    } 

    return QString();

}

{

#if defined(Q_OS_SYMBIAN)

#else

#endif

#if defined(Q_OS_MAC)

#endif

}

int HbStandardDirsInstance::fileSize( QByteArray fileName ) 

{ 

    struct stat fileStat; 

    const char *fname = fileName.data();

    int err = stat( fname, &fileStat ); 

    if (0 != err) return 0; 

    return fileStat.st_size; 

}

QStringList HbStandardDirsInstance::additionalRootPath()

{

    QFile rootPathFile(rootPathsFile);

    static QStringList rootpaths;

    QByteArray filePath = rootPathsFile.toLatin1().constData();

    int size = fileSize(filePath);

    if(size > 0) {

        if (rootPathFile.open(QIODevice::ReadOnly | QIODevice::Text)) {

            rootpaths.clear();

            while (!in.atEnd()) {

                QString line = in.readLine();

                QDir rootdir(line);

                if (rootdir.exists()) {

                    rootpaths.append(line);

                }                

            }        

        }

    }

    return rootpaths;

}

/*

  typeOfResource 

  1. "icons"

  only one supported right now

// Important: This function should just return a directory if the resource was found. Otherwise

//            return empty string! Calling functions will trust it!!     

*/

QString HbStandardDirs::findResource(const QString &name, Hb::ResourceType resType)

{

    if (resType == Hb::IconResource || 

        resType == Hb::ThemeResource || 

        resType == Hb::EffectResource)

    {

        QString absolutePath;

        QStringList rootDirs;

        if (QDir::isRelativePath(name)) {

        } else {

            // Given filename has an absolute path, use that.

            absolutePath = name;

        }

        if (resType == Hb::IconResource ) {

            // Relative path was given, search in the standard icon folders

            if (absolutePath.isEmpty()) {

                    // Check file existence from instance, it caches directory contents 

                    // to speed up the lookup

                    QString ret = instance.findIcon(absolutePath);

                    if (!ret.isEmpty()) {

                        return ret;

                    }

                }

            } else {

                // Absolute path was given, only search in that folder

                return instance.findIcon(absolutePath);

            }

        }

        else if (resType == Hb::ThemeResource) {

            foreach ( const QString &prefix, rootDirs ) {

                if (absolutePath.isEmpty()) {

                    absolutePath = prefix + '/' + name;

                }

                fileExists = file.open(QIODevice::ReadOnly);

                file.close();

                // E.g. in hardware absolutepath is not found...

                }

                    return absolutePath;

                }

            }

        }

    }

    return QString();

}

 * @param typeOfResource Type of Resource, can be Hb::StyleSheetResource or Hb::EffectResource.

 * 

 */

{

    QString absolutePath;

    QString path;

    if (resType == Hb::StyleSheetResource || resType == Hb::EffectResource) {

        QStringList rootDirs;

#ifdef HB_TOOL_INTERFACE

        // Additional root directory support Currently used by tools only.

#endif

                    if (fileExists) {

                    }

                }

            }

        }

    }

}

{

}