stylesheet_manager.hpp

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#pragma once
#ifndef STYLESHEET_MANAGER_HPP
#define STYLESHEET_MANAGER_HPP

#include <boost/asio.hpp>
#include <boost/thread/thread.hpp>
#include <boost/unordered_map.hpp>
#include "../extras/dirwatch/dir_monitor.hpp"
#include <boost/filesystem/path.hpp>

#include "settings.hpp"

class RequestManager;
class Stylesheet;
class Configuration;
class Geodata;

namespace fs = boost::filesystem;

class StylesheetManager
    : public boost::enable_shared_from_this<StylesheetManager>
    , public boost::noncopyable
{
public:
    StylesheetManager(const shared_ptr<Configuration>& config);

    TESTABLE void startStylesheetObserving(const shared_ptr<RequestManager>& manager);

    TESTABLE void stopStylesheetObserving();

    TESTABLE shared_ptr<Stylesheet> getStylesheet(const string& path);
    TESTABLE bool hasStylesheet(const string& path);

private:
    TESTABLE void onNewStylesheet(const fs::path& stylesheet_path);

    TESTABLE void onRemovedStylesheet(const fs::path& stylesheet_path);

    TESTABLE void onFileSystemEvent(const boost::system::error_code &ec, const boost::asio::dir_monitor_event &ev);

private:
    shared_ptr<Configuration> config;
    weak_ptr<RequestManager> manager;

    boost::shared_mutex stylesheetsLock;
    boost::unordered_map<fs::path, shared_ptr<Stylesheet> > parsedStylesheets;

    fs::path stylesheetFolder;

    static shared_ptr<Stylesheet> makeFallbackStylesheet(const shared_ptr<Geodata>& geodata);

    boost::asio::io_service                     ioService;
    boost::thread                               monitorThread;
    boost::scoped_ptr<boost::asio::dir_monitor> monitorService;
};


#endif