From 0f72a2e0eaa0d1f2f5feb717bdcd7351b47a892a Mon Sep 17 00:00:00 2001
From: patrick96 <p.ziegler96@gmail.com>
Date: Tue, 21 Sep 2021 20:53:01 +0200
Subject: [PATCH] Remove unused throttle_util

---
 include/utils/throttle.hpp | 92 --------------------------------------
 src/CMakeLists.txt         |  1 -
 src/utils/throttle.cpp     | 36 ---------------
 3 files changed, 129 deletions(-)
 delete mode 100644 include/utils/throttle.hpp
 delete mode 100644 src/utils/throttle.cpp

diff --git a/include/utils/throttle.hpp b/include/utils/throttle.hpp
deleted file mode 100644
index be207088..00000000
--- a/include/utils/throttle.hpp
+++ /dev/null
@@ -1,92 +0,0 @@
-#pragma once
-
-#include <chrono>
-#include <deque>
-
-#include "common.hpp"
-#include "components/logger.hpp"
-#include "utils/factory.hpp"
-
-POLYBAR_NS
-
-namespace chrono = std::chrono;
-
-namespace throttle_util {
-  using timewindow = chrono::duration<double, std::milli>;
-  using timepoint_clock = chrono::high_resolution_clock;
-  using timepoint = timepoint_clock::time_point;
-  using queue = std::deque<timepoint>;
-  using limit = size_t;
-
-  namespace strategy {
-    struct try_once_or_leave_yolo {
-      bool operator()(queue& q, limit l, timewindow);
-    };
-    struct wait_patiently_by_the_door {
-      bool operator()(queue& q, limit l, timewindow);
-    };
-  }
-
-  /**
-   * Throttle events within a set window of time
-   *
-   * Example usage:
-   * \code cpp
-   *   auto t = throttle_util::make_throttler(2, 1s);
-   *   if (t->passthrough())
-   *     ...
-   * \endcode
-   */
-  class event_throttler {
-   public:
-    /**
-     * Construct throttler
-     */
-    explicit event_throttler(int limit, timewindow timewindow) : m_limit(limit), m_timewindow(timewindow) {}
-
-    /**
-     * Check if event is allowed to pass
-     * using specified strategy
-     */
-    template <typename Strategy>
-    bool passthrough(Strategy wait_strategy) {
-      expire_timestamps();
-      return wait_strategy(m_queue, m_limit, m_timewindow);
-    }
-
-    /**
-     * Check if event is allowed to pass
-     * using default strategy
-     */
-    bool passthrough() {
-      return passthrough(strategy::try_once_or_leave_yolo{});
-    }
-
-   protected:
-    /**
-     * Expire old timestamps
-     */
-    void expire_timestamps() {
-      auto now = timepoint_clock::now();
-      while (m_queue.size() > 0) {
-        if ((now - m_queue.front()) < m_timewindow)
-          break;
-        m_queue.pop_front();
-      }
-    }
-
-   private:
-    queue m_queue{};
-    limit m_limit{};
-    timewindow m_timewindow{};
-  };
-
-  using throttle_t = unique_ptr<event_throttler>;
-
-  template <typename... Args>
-  throttle_t make_throttler(Args&&... args) {
-    return factory_util::unique<event_throttler>(forward<Args>(args)...);
-  }
-}
-
-POLYBAR_NS_END
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 77d30408..7fb03e48 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -115,7 +115,6 @@ if(BUILD_LIBPOLY)
     ${src_dir}/utils/process.cpp
     ${src_dir}/utils/socket.cpp
     ${src_dir}/utils/string.cpp
-    ${src_dir}/utils/throttle.cpp
 
     ${src_dir}/x11/atoms.cpp
     ${src_dir}/x11/background_manager.cpp
diff --git a/src/utils/throttle.cpp b/src/utils/throttle.cpp
deleted file mode 100644
index d1eaf508..00000000
--- a/src/utils/throttle.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <thread>
-
-#include "utils/throttle.hpp"
-
-POLYBAR_NS
-
-namespace throttle_util {
-  namespace strategy {
-    /**
-     * Only pass events when there are slots available
-     */
-    bool try_once_or_leave_yolo::operator()(queue& q, limit l, timewindow /*unused*/) {
-      if (q.size() >= l) {
-        return false;
-      }
-      q.emplace_back(timepoint_clock::now());
-      return true;
-    }
-
-    /**
-     * If no slots are available, wait the required
-     * amount of time for a slot to become available
-     * then let the event pass
-     */
-    bool wait_patiently_by_the_door::operator()(queue& q, limit l, timewindow /*unused*/) {
-      auto now = timepoint_clock::now();
-      q.emplace_back(now);
-      if (q.size() >= l) {
-        std::this_thread::sleep_for(now - q.front());
-      }
-      return true;
-    }
-  }
-}
-
-POLYBAR_NS_END