/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** 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
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#ifndef CPPTOOLSEDITORSUPPORT_H
#define CPPTOOLSEDITORSUPPORT_H

#include <QtCore/QObject>
#include <QtCore/QPointer>
#include <QtCore/QFuture>
#include <QtCore/QSharedPointer>

#include <QtGui/QTextCursor>

#include <cplusplus/CppDocument.h>

QT_BEGIN_NAMESPACE
class QTimer;
QT_END_NAMESPACE

namespace CPlusPlus {
    class AST;
}

namespace TextEditor {
    class ITextEditor;
    class ITextMark;
} // end of namespace TextEditor

namespace CppTools {
namespace Internal {

class CppModelManager;

class CppEditorSupport: public QObject
{
    Q_OBJECT

public:
    CppEditorSupport(CppModelManager *modelManager);
    virtual ~CppEditorSupport();

    TextEditor::ITextEditor *textEditor() const;
    void setTextEditor(TextEditor::ITextEditor *textEditor);

    int updateDocumentInterval() const;
    void setUpdateDocumentInterval(int updateDocumentInterval);

    QString contents();
    unsigned editorRevision() const;

Q_SIGNALS:
    void contentsChanged();

private Q_SLOTS:
    void updateDocument();
    void updateDocumentNow();

private:
    enum { UPDATE_DOCUMENT_DEFAULT_INTERVAL = 150 };

    CppModelManager *_modelManager;
    QPointer<TextEditor::ITextEditor> _textEditor;
    QTimer *_updateDocumentTimer;
    int _updateDocumentInterval;
    QFuture<void> _documentParser;
    QString _cachedContents;
    unsigned _revision;
};

} // namespace Internal
} // namespace CppTools

#endif // CPPTOOLSEDITORSUPPORT_H