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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#include "mapplicationextensionmetadata.h"
#include <QDir>
#include <MDebug>
const QString EXTENSION_BINARY_KEY("X-MeeGoApplicationExtension/Extension");
const QString IDENTIFIER_KEY("X-MeeGoApplicationExtension/Identifier");
const QString INTERFACE_KEY("X-MeeGoApplicationExtension/Interface");
MApplicationExtensionMetaData::MApplicationExtensionMetaData(const QString &fileName) : MDesktopEntry(fileName)
{
}
MApplicationExtensionMetaData::~MApplicationExtensionMetaData()
{
}
bool MApplicationExtensionMetaData::isValid() const
{
// Make sure that the metadata file is a valid desktop file.
if (!MDesktopEntry::isValid()) {
return false;
}
// Loop through keys and check that all are found
QStringList requiredKeys;
requiredKeys << EXTENSION_BINARY_KEY << INTERFACE_KEY;
foreach(const QString &key, requiredKeys) {
if (!contains(key)) {
return false;
}
}
// If metadata contains runner binary, check that the binary exists.
if (exec().length() > 0 && runnerBinary() == NULL) {
return false;
}
// Check that extension binary exists in filesystem.
if (extensionBinary() == NULL) {
return false;
}
return true;
}
QString MApplicationExtensionMetaData::runnerBinary() const
{
// If runner binary is specified, return absolute file path.
QString s = exec();
if (s.length() > 0) {
QFileInfo runner(QString(APPLICATION_EXTENSION_LIBS), s);
if (runner.exists() && runner.isFile() && runner.isExecutable()) {
return runner.absoluteFilePath();
} else {
mDebug("MApplicationExtensionMetaData") << "runner" << runner.absoluteFilePath() << "does not exist!";
}
}
return NULL;
}
QString MApplicationExtensionMetaData::extensionBinary() const
{
// Fetch the absolute file path and return it.
QFileInfo extension(QString(APPLICATION_EXTENSION_LIBS), value(EXTENSION_BINARY_KEY));
if (extension.exists() && extension.isFile()) {
return extension.absoluteFilePath();
} else {
mDebug("MApplicationExtensionMetaData") << "extension" << extension.absoluteFilePath() << "does not exist!";
}
return NULL;
}
QString MApplicationExtensionMetaData::interface() const
{
return value(INTERFACE_KEY);
}
QString MApplicationExtensionMetaData::extractLibraryName(const QString &libFileName)
{
QRegExp regExp(".*lib([^/]*)[.]so");
if (regExp.exactMatch(libFileName)) {
// The given argument can be treated as valid
QString tmp(libFileName);
tmp.replace(regExp, "\\1");
return tmp;
} else {
// Invalid input - return empty string
return QString();
}
}
QString MApplicationExtensionMetaData::resourceIdentifier() const
{
QString resourceId;
QString binary = extensionBinary();
if (contains(IDENTIFIER_KEY)) {
resourceId = value(IDENTIFIER_KEY);
} else if (!binary.isNull()) {
resourceId = extractLibraryName(binary);
} else {
return NULL;
}
return resourceId;
}
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