qt-creator/src/plugins/cpptools/cppmodelmanager.h

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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
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#ifndef CPPMODELMANAGER_H
#define CPPMODELMANAGER_H

#include <cpptools/cppmodelmanagerinterface.h>
#include <projectexplorer/project.h>
#include <cplusplus/CppDocument.h>

#include <QMap>
#include <QFutureInterface>

namespace Core {
class ICore;
class IEditor;
}

namespace TextEditor {
class ITextEditor;
}

namespace ProjectExplorer {
class ProjectExplorerPlugin;
}

namespace CppTools {
namespace Internal {

class CppEditorSupport;
class CppPreprocessor;
class CppHoverHandler;

class CppModelManager : public CppModelManagerInterface
{
    Q_OBJECT

public:
    CppModelManager(QObject *parent);
    virtual ~CppModelManager();

    virtual void updateSourceFiles(const QStringList &sourceFiles);
    virtual ProjectInfo *projectInfo(ProjectExplorer::Project *project);
    virtual CPlusPlus::Document::Ptr document(const QString &fileName);
    virtual DocumentTable documents();
    virtual void GC();

    QFuture<void> refreshSourceFiles(const QStringList &sourceFiles);

    inline Core::ICore *core() const { return m_core; }

    bool isCppEditor(Core::IEditor *editor) const; // ### private

    void emitDocumentUpdated(CPlusPlus::Document::Ptr doc);

Q_SIGNALS:
    void projectPathChanged(const QString &projectPath);

    void documentUpdated(CPlusPlus::Document::Ptr doc);
    void aboutToRemoveFiles(const QStringList &files);

public Q_SLOTS:
    void editorOpened(Core::IEditor *editor);
    void editorAboutToClose(Core::IEditor *editor);

private Q_SLOTS:
    // this should be executed in the GUI thread.
    void onDocumentUpdated(CPlusPlus::Document::Ptr doc);
    void onAboutToRemoveProject(ProjectExplorer::Project *project);
    void onSessionUnloaded();
    void onProjectAdded(ProjectExplorer::Project *project);

private:
    QMap<QString, QByteArray> buildWorkingCopyList();

    QStringList projectFiles()
    {
        ensureUpdated();
        return m_projectFiles;
    }

    QStringList includePaths()
    {
        ensureUpdated();
        return m_includePaths;
    }

    QStringList frameworkPaths()
    {
        ensureUpdated();
        return m_frameworkPaths;
    }

    QByteArray definedMacros()
    {
        ensureUpdated();
        return m_definedMacros;
    }

    QStringList updateProjectFiles() const;
    QStringList updateIncludePaths() const;
    QStringList updateFrameworkPaths() const;
    QByteArray updateDefinedMacros() const;

    void ensureUpdated() {
        if (! m_dirty)
            return;

        m_projectFiles = updateProjectFiles();
        m_includePaths = updateIncludePaths();
        m_frameworkPaths = updateFrameworkPaths();
        m_definedMacros = updateDefinedMacros();
        m_dirty = false;
    }

    static void parse(QFutureInterface<void> &future,
                      CppPreprocessor *preproc,
                      QStringList files);

private:
    Core::ICore *m_core;
    ProjectExplorer::ProjectExplorerPlugin *m_projectExplorer;
    CppHoverHandler *m_hoverHandler;
    DocumentTable m_documents;

    // cache
    bool m_dirty;
    QStringList m_projectFiles;
    QStringList m_includePaths;
    QStringList m_frameworkPaths;
    QByteArray m_definedMacros;

    // editor integration
    QMap<TextEditor::ITextEditor *, CppEditorSupport *> m_editorSupport;

    // project integration
    QMap<ProjectExplorer::Project *, ProjectInfo> m_projects;

    enum {
        MAX_SELECTION_COUNT = 5
    };
};

} // namespace Internal
} // namespace CppTools

#endif // CPPMODELMANAGER_H