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#ifndef USER_SCRIPT_CONTROLLER_H
#define USER_SCRIPT_CONTROLLER_H

#include "content/public/renderer/render_process_observer.h"

#include "common/user_script_data.h"

#include <QtCore/qcompilerdetection.h>
#include <QtCore/QHash>
#include <QtCore/QSet>

namespace content {
class RenderView;
}


class UserScriptController : public content::RenderProcessObserver {

public:
    static UserScriptController *instance();
    UserScriptController();
    void renderViewCreated(content::RenderView *);
    void renderViewDestroyed(content::RenderView *);
    void addScriptForView(const UserScriptData &, content::RenderView *);
    void removeScriptForView(const UserScriptData &, content::RenderView *);
    void clearScriptsForView(content::RenderView *);

private:
    Q_DISABLE_COPY(UserScriptController)

    class RenderViewObserverHelper;

    // RenderProcessObserver implementation.
    virtual bool OnControlMessageReceived(const IPC::Message &message) Q_DECL_OVERRIDE;

    void onAddScript(const UserScriptData &);
    void onRemoveScript(const UserScriptData &);
    void onClearScripts();

    typedef QSet<uint64> UserScriptSet;
    typedef QHash<const content::RenderView *, UserScriptSet> ViewUserScriptMap;
    ViewUserScriptMap m_viewUserScriptMap;
    QHash<uint64, UserScriptData> m_scripts;
};

#endif // USER_SCRIPT_CONTROLLER_H