qmljssemanticinfoupdater.h

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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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#ifndef SEMANTICINFOUPDATER_H
#define SEMANTICINFOUPDATER_H

#include "qmljseditor.h"

#include <QtCore/QWaitCondition>
#include <QtCore/QModelIndex>
#include <QtCore/QMutex>
#include <QtCore/QThread>

namespace QmlJSEditor {
namespace Internal {

struct SemanticInfoUpdaterSource
{
    QmlJS::Snapshot snapshot;
    QString fileName;
    QString code;
    int line;
    int column;
    int revision;
    bool force;

    SemanticInfoUpdaterSource()
        : line(0), column(0), revision(0), force(false)
    { }

    SemanticInfoUpdaterSource(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 SemanticInfoUpdater: public QThread
{
    Q_OBJECT

public:
    SemanticInfoUpdater(QObject *parent = 0);
    virtual ~SemanticInfoUpdater();

    void abort();
    void update(const SemanticInfoUpdaterSource &source);
    void setModelManager(QmlJS::ModelManagerInterface *modelManager);

Q_SIGNALS:
    void updated(const QmlJSEditor::SemanticInfo &semanticInfo);

protected:
    virtual void run();

private:
    bool isOutdated();
    SemanticInfo semanticInfo(const SemanticInfoUpdaterSource &source);

private:
    QMutex m_mutex;
    QWaitCondition m_condition;
    bool m_done;
    SemanticInfoUpdaterSource m_source;
    SemanticInfo m_lastSemanticInfo;
    QmlJS::ModelManagerInterface *m_modelManager;
};

} // namespace Internal
} // namespace QmlJSEditor

#endif // SEMANTICINFOUPDATER_H