Refactor window host.

1 files changed, 0 insertions, 122 deletions

diff --git a/src/ui/host/RoutedEventDispatch.h b/src/ui/host/RoutedEventDispatch.h
deleted file mode 100644
index 6e8b4af1..00000000
--- a/src/ui/host/RoutedEventDispatch.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#pragma once
-#include "cru/base/log/Logger.h"
-#include "cru/ui/DebugFlags.h"
-#include "cru/ui/controls/Control.h"
-#include "cru/ui/host/WindowHost.h"
-
-#include <vector>
-
-namespace cru::ui::host {
-// Dispatch the event.
-//
-// This will raise routed event of the control and its parent and parent's
-// parent ... (until "last_receiver" if it's not nullptr) with appropriate args.
-//
-// First tunnel from top to bottom possibly stopped by "handled" flag in
-// EventArgs. Second bubble from bottom to top possibly stopped by "handled"
-// flag in EventArgs. Last direct to each control.
-//
-// Args is of type "EventArgs". The first init argument is "sender", which is
-// automatically bound to each receiving control. The second init argument is
-// "original_sender", which is unchanged. And "args" will be perfectly forwarded
-// as the rest arguments.
-template <typename EventArgs, typename... Args>
-void DispatchEvent(
-    const std::string& event_name, controls::Control* const original_sender,
-    events::RoutedEvent<EventArgs>* (controls::Control::*event_ptr)(),
-    controls::Control* const last_receiver, Args&&... args) {
-  constexpr auto kLogTag = "DispatchEvent";
-
-  if (original_sender == nullptr) return;
-
-  CRU_UNUSED(event_name)
-
-  if (original_sender == last_receiver) {
-    if constexpr (debug_flags::routed_event)
-      CRU_LOG_TAG_DEBUG(
-          "Routed event {} no need to dispatch (original_sender == "
-          "last_receiver). Original sender is {}.",
-          event_name, original_sender->GetControlType());
-    return;
-  }
-
-  WindowHost::EnterEventHandling();
-
-  std::vector<controls::Control*> receive_list;
-
-  auto parent = original_sender;
-  while (parent != last_receiver) {
-    receive_list.push_back(parent);
-    auto p = parent->GetParent();
-    assert(!(p == nullptr && last_receiver != nullptr));
-    parent = p;
-  }
-
-  if constexpr (debug_flags::routed_event) {
-    std::string log = "Dispatch routed event ";
-    log += event_name;
-    log += ". Path (parent first): ";
-    auto i = receive_list.crbegin();
-    const auto end = --receive_list.crend();
-    for (; i != end; ++i) {
-      log += (*i)->GetControlType();
-      log += " -> ";
-    }
-    log += (*i)->GetControlType();
-    CRU_LOG_TAG_DEBUG("{}", log);
-  }
-
-  auto handled = false;
-
-  int count = 0;
-
-  // tunnel
-  for (auto i = receive_list.crbegin(); i != receive_list.crend(); ++i) {
-    count++;
-    auto control = *i;
-    EventArgs event_args(control, original_sender, std::forward<Args>(args)...);
-    static_cast<Event<EventArgs&>*>((control->*event_ptr)()->Tunnel())
-        ->Raise(event_args);
-    if (event_args.IsHandled()) {
-      handled = true;
-      if constexpr (debug_flags::routed_event)
-        CRU_LOG_TAG_DEBUG(
-            "Routed event is short-circuit in TUNNEL at {}-st control (count "
-            "from parent).",
-            count);
-      break;
-    }
-  }
-
-  // bubble
-  if (!handled) {
-    for (auto control : receive_list) {
-      count--;
-      EventArgs event_args(control, original_sender,
-                           std::forward<Args>(args)...);
-      static_cast<Event<EventArgs&>*>((control->*event_ptr)()->Bubble())
-          ->Raise(event_args);
-      if (event_args.IsHandled()) {
-        if constexpr (debug_flags::routed_event)
-          CRU_LOG_TAG_DEBUG(
-              "Routed event is short-circuit in BUBBLE at {}-st control "
-              "(count from parent).",
-              count);
-        break;
-      }
-    }
-  }
-
-  // direct
-  for (auto control : receive_list) {
-    EventArgs event_args(control, original_sender, std::forward<Args>(args)...);
-    static_cast<Event<EventArgs&>*>((control->*event_ptr)()->Direct())
-        ->Raise(event_args);
-  }
-
-  if constexpr (debug_flags::routed_event)
-    CRU_LOG_TAG_DEBUG("Routed event dispatch finished.");
-
-  WindowHost::LeaveEventHandling();
-}
-}  // namespace cru::ui::host