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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of Qt Creator.
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#pragma once

#include "clangquerygatherer.h"

#include <refactoringserverinterface.h>

#include <ipcclientprovider.h>
#include <filepathcachinginterface.h>
#include <generatedfiles.h>

#include <utils/smallstring.h>

#include <QTimer>

#include <future>
#include <mutex>
#include <vector>

namespace ClangBackEnd {

class SourceRangesForQueryMessage;
class SymbolIndexingInterface;

namespace V2 {
class FileContainer;
}

class RefactoringServer : public RefactoringServerInterface,
                          public IpcClientProvider<RefactoringClientInterface>
{
    using Future = std::future<SourceRangesForQueryMessage>;
public:
    RefactoringServer(SymbolIndexingInterface &symbolIndexing,
                      FilePathCachingInterface &filePathCache,
                      GeneratedFiles &generatedFiles);

    void end() override;
    void requestSourceRangesAndDiagnosticsForQueryMessage(RequestSourceRangesAndDiagnosticsForQueryMessage &&message) override;
    void requestSourceRangesForQueryMessage(RequestSourceRangesForQueryMessage &&message) override;
    void updateProjectParts(UpdateProjectPartsMessage &&message) override;
    void updateGeneratedFiles(UpdateGeneratedFilesMessage &&message) override;
    void removeProjectParts(RemoveProjectPartsMessage &&message) override;
    void removeGeneratedFiles(RemoveGeneratedFilesMessage &&message) override;

    void cancel() override;

    bool isCancelingJobs() const;

    void pollSourceRangesForQueryMessages();
    void waitThatSourceRangesForQueryMessagesAreFinished();

    bool pollTimerIsActive() const;

    void setGathererProcessingSlotCount(uint count);

    void setProgress(int progress, int total);

private:
    void gatherSourceRangesForQueryMessages(std::vector<V2::FileContainer> &&sources,
                                                          std::vector<V2::FileContainer> &&unsaved,
                                                          Utils::SmallString &&query);

private:
    ClangQueryGatherer m_gatherer;
    QTimer m_pollTimer;
    SymbolIndexingInterface &m_symbolIndexing;
    FilePathCachingInterface &m_filePathCache;
    GeneratedFiles &m_generatedFiles;
};

} // namespace ClangBackEnd
