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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef SEMANTICHIGHLIGHTER_H
#define SEMANTICHIGHLIGHTER_H
#include "qmljseditor.h"
#include <QtCore/QWaitCondition>
#include <QtCore/QModelIndex>
#include <QtCore/QMutex>
#include <QtCore/QThread>
namespace QmlJSEditor {
namespace Internal {
struct SemanticHighlighterSource
{
QmlJS::Snapshot snapshot;
QString fileName;
QString code;
int line;
int column;
int revision;
bool force;
SemanticHighlighterSource()
: line(0), column(0), revision(0), force(false)
{ }
SemanticHighlighterSource(const QmlJS::Snapshot &snapshot,
const QString &fileName,
const QString &code,
int line, int column,
int revision)
: snapshot(snapshot), fileName(fileName),
code(code), line(line), column(column),
revision(revision), force(false)
{ }
void clear()
{
snapshot = QmlJS::Snapshot();
fileName.clear();
code.clear();
line = 0;
column = 0;
revision = 0;
force = false;
}
};
class SemanticHighlighter: public QThread
{
Q_OBJECT
public:
SemanticHighlighter(QObject *parent = 0);
virtual ~SemanticHighlighter();
void abort();
void rehighlight(const SemanticHighlighterSource &source);
void setModelManager(QmlJS::ModelManagerInterface *modelManager);
Q_SIGNALS:
void changed(const QmlJSEditor::SemanticInfo &semanticInfo);
protected:
virtual void run();
private:
bool isOutdated();
SemanticInfo semanticInfo(const SemanticHighlighterSource &source);
private:
QMutex m_mutex;
QWaitCondition m_condition;
bool m_done;
SemanticHighlighterSource m_source;
SemanticInfo m_lastSemanticInfo;
QmlJS::ModelManagerInterface *m_modelManager;
};
} // namespace Internal
} // namespace QmlJSEditor
#endif // SEMANTICHIGHLIGHTER_H
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