1 files changed, 0 insertions, 297 deletions
diff --git a/include/core/signal.h b/include/core/signal.h
deleted file mode 100644
index be2984b..0000000
--- a/include/core/signal.h
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- * Copyright © 2013 Canonical Ltd.
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * Authored by: Thomas Voß <thomas.voss@canonical.com>
- */
-#ifndef COM_UBUNTU_SIGNAL_H_
-#define COM_UBUNTU_SIGNAL_H_
-
-#include <core/connection.h>
-
-#include <functional>
-#include <iostream>
-#include <list>
-#include <mutex>
-#include <set>
-
-namespace core
-{
-/**
- * @brief A signal class that observers can subscribe to.
- * @tparam Arguments List of argument types passed on to observers when the signal is emitted.
- */
-template<typename ...Arguments>
-class Signal
-{
-public:
-    /**
-     * @brief Slot is the function type that observers have to provide to connect to this signal.
-     */
-    typedef std::function<void(Arguments...)> Slot;
-
-private:
-    struct SlotWrapper
-    {
-        void operator()(Arguments... args)
-        {
-            dispatcher(std::bind(slot, args...));
-        }
-
-        Slot slot;
-        Connection::Dispatcher dispatcher;
-        Connection connection;
-    };
-
-public:
-    /**
-     * @brief Signal constructs a new instance. Never throws.
-     */
-    inline Signal() noexcept(true) : d(new Private())
-    {
-    }
-
-    inline ~Signal()
-    {
-        std::lock_guard<std::mutex> lg(d->guard);
-        for (auto slot : d->slots)
-            slot.connection.reset();
-    }
-
-    // Copy construction, assignment and equality comparison are disabled.
-    Signal(const Signal&) = delete;
-    Signal& operator=(const Signal&) = delete;
-    bool operator==(const Signal&) const = delete;
-
-    /**
-     * @brief Connects the provided slot to this signal instance.
-     *
-     * Calling this method is thread-safe and synchronized with any
-     * other connect, signal emission or disconnect calls.
-     *
-     * @param slot The function to be called when the signal is emitted.
-     * @return A connection object corresponding to the signal-slot connection.
-     */
-    inline Connection connect(const Slot& slot) const
-    {
-        // Helpers to initialize an invalid connection.
-        static const Connection::Disconnector empty_disconnector{};
-        static const Connection::DispatcherInstaller empty_dispatcher_installer{};
-
-        // The default dispatcher immediately executes the function object
-        // provided as argument on whatever thread is currently running.
-        static const Connection::Dispatcher default_dispatcher
-                = [](const std::function<void()>& handler) { handler(); };
-
-        Connection conn{empty_disconnector, empty_dispatcher_installer};
-
-        std::lock_guard<std::mutex> lg(d->guard);
-
-        auto result = d->slots.insert(
-                    d->slots.end(),
-                    SlotWrapper{slot, default_dispatcher, conn});
-
-        // We implicitly share our internal state with the connection here
-        // by passing in our private bits contained in 'd' to the std::bind call.
-        // This admittedly uncommon approach allows us to cleanly manage connection
-        // and signal lifetimes without the need to mark everything as mutable.
-        conn.d->disconnector = std::bind(
-                    &Private::disconnect_slot_for_iterator,
-                    d,
-                    result);
-        conn.d->dispatcher_installer = std::bind(
-                    &Private::install_dispatcher_for_iterator,
-                    d,
-                    std::placeholders::_1,
-                    result);
-
-        return conn;
-    }
-
-    /**
-     * @brief operator () emits the signal with the provided parameters.
-     *
-     * Please note that signal emissions might not be delivered immediately to
-     * registered slots, depending on whether the respective connection is dispatched
-     * via a queueing dispatcher. For that reason, the lifetime of the arguments has to
-     * exceed the scope of the call to this operator and its surrounding scope.
-     *
-     * @param args The arguments to be passed on to registered slots.
-     */
-    inline void operator()(Arguments... args)
-    {
-        std::lock_guard<std::mutex> lg(d->guard);
-        for(auto slot : d->slots)
-        {
-            slot(args...);
-        }
-    }
-
-private:
-    struct Private
-    {
-        typedef std::list<SlotWrapper> SlotContainer;
-
-        inline void disconnect_slot_for_iterator(typename SlotContainer::iterator it)
-        {
-            std::lock_guard<std::mutex> lg(guard);
-            slots.erase(it);
-        }
-
-        inline void install_dispatcher_for_iterator(const Connection::Dispatcher& dispatcher,
-                                                    typename SlotContainer::iterator it)
-        {
-            std::lock_guard<std::mutex> lg(guard);
-            it->dispatcher = dispatcher;
-        }
-
-        std::mutex guard;
-        SlotContainer slots;
-    };
-    std::shared_ptr<Private> d;
-};
-
-/**
- * @brief A signal class that observers can subscribe to,
- * template specialization for signals without arguments.
- */
-template<>
-class Signal<void>
-{
-public:
-    /**
-     * @brief Slot is the function type that observers have to provide to connect to this signal.
-     */
-    typedef std::function<void()> Slot;
-
-private:
-    struct SlotWrapper
-    {
-        void operator()()
-        {
-            dispatcher(slot);
-        }
-
-        Slot slot;
-        Connection::Dispatcher dispatcher;
-        Connection connection;
-    };
-
-public:
-    /**
-     * @brief Signal constructs a new instance. Never throws.
-     */
-    inline Signal() noexcept(true) : d(new Private())
-    {
-    }
-
-    inline ~Signal()
-    {
-        std::lock_guard<std::mutex> lg(d->guard);
-        for (auto slot : d->slots)
-            slot.connection.reset();
-    }
-
-    // Copy construction, assignment and equality comparison are disabled.
-    Signal(const Signal&) = delete;
-    Signal& operator=(const Signal&) = delete;
-    bool operator==(const Signal&) const = delete;
-
-    /**
-     * @brief Connects the provided slot to this signal instance.
-     *
-     * Calling this method is thread-safe and synchronized with any
-     * other connect, signal emission or disconnect calls.
-     *
-     * @param slot The function to be called when the signal is emitted.
-     * @return A connection object corresponding to the signal-slot connection.
-     */
-    inline Connection connect(const Slot& slot) const
-    {
-        // Helpers to initialize an invalid connection.
-        static const Connection::Disconnector empty_disconnector{};
-        static const Connection::DispatcherInstaller empty_dispatcher_installer{};
-
-        // The default dispatcher immediately executes the function object
-        // provided as argument on whatever thread is currently running.
-        static const Connection::Dispatcher default_dispatcher
-                = [](const std::function<void()>& handler) { handler(); };
-
-        Connection conn{empty_disconnector, empty_dispatcher_installer};
-
-        std::lock_guard<std::mutex> lg(d->guard);
-
-        auto result = d->slots.insert(
-                    d->slots.end(),
-                    SlotWrapper{slot, default_dispatcher, conn});
-
-        // We implicitly share our internal state with the connection here
-        // by passing in our private bits contained in 'd' to the std::bind call.
-        // This admittedly uncommon approach allows us to cleanly manage connection
-        // and signal lifetimes without the need to mark everything as mutable.
-        conn.d->disconnector = std::bind(
-                    &Private::disconnect_slot_for_iterator,
-                    d,
-                    result);
-        conn.d->dispatcher_installer = std::bind(
-                    &Private::install_dispatcher_for_iterator,
-                    d,
-                    std::placeholders::_1,
-                    result);
-
-        return conn;
-    }
-
-    /**
-     * @brief operator () emits the signal.
-     *
-     * Please note that signal emissions might not be delivered immediately to
-     * registered slots, depending on whether the respective connection is dispatched
-     * via a queueing dispatcher.
-     */
-    inline void operator()()
-    {
-        std::lock_guard<std::mutex> lg(d->guard);
-        for(auto slot : d->slots)
-        {
-            slot();
-        }
-    }
-
-private:
-    struct Private
-    {
-        typedef std::list<SlotWrapper> SlotContainer;
-
-        inline void disconnect_slot_for_iterator(typename SlotContainer::iterator it)
-        {
-            std::lock_guard<std::mutex> lg(guard);
-            slots.erase(it);
-        }
-
-        inline void install_dispatcher_for_iterator(const Connection::Dispatcher& dispatcher,
-                                                    typename SlotContainer::iterator it)
-        {
-            std::lock_guard<std::mutex> lg(guard);
-            it->dispatcher = dispatcher;
-        }
-
-        std::mutex guard;
-        SlotContainer slots;
-    };
-    std::shared_ptr<Private> d;
-};
-}
-
-#endif // COM_UBUNTU_SIGNAL_H_