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** This file is part of Qt Creator.
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#include "defaultassistinterface.h"

#include <texteditor/convenience.h>

#include <QThread>
#include <QTextDocument>
#include <QTextCursor>

using namespace TextEditor;

DefaultAssistInterface::DefaultAssistInterface(QTextDocument *textDocument,
                                               int position,
                                               Core::IDocument *document,
                                               AssistReason reason)
    : m_textDocument(textDocument)
    , m_detached(false)
    , m_position(position)
    , m_document(document)
    , m_reason(reason)
{}

DefaultAssistInterface::~DefaultAssistInterface()
{
    if (m_detached)
        delete m_textDocument;
}

QChar DefaultAssistInterface::characterAt(int position) const
{
    return m_textDocument->characterAt(position);
}

QString DefaultAssistInterface::textAt(int pos, int length) const
{
    return Convenience::textAt(QTextCursor(m_textDocument), pos, length);
}

void DefaultAssistInterface::detach(QThread *destination)
{
    m_textDocument = m_textDocument->clone();
    m_textDocument->moveToThread(destination);
    m_detached = true;
}

AssistReason DefaultAssistInterface::reason() const
{
    return m_reason;
}