Index: content/renderer/input/main_thread_event_queue_task_list.cc |
diff --git a/content/renderer/input/main_thread_event_queue_task_list.cc b/content/renderer/input/main_thread_event_queue_task_list.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d45a944de5f61c26ec14af6e92886408f29a3b72 |
--- /dev/null |
+++ b/content/renderer/input/main_thread_event_queue_task_list.cc |
@@ -0,0 +1,39 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "content/renderer/input/main_thread_event_queue_task_list.h" |
+ |
+namespace content { |
+ |
+MainThreadEventQueueTaskList::MainThreadEventQueueTaskList() {} |
+ |
+MainThreadEventQueueTaskList::~MainThreadEventQueueTaskList() {} |
+ |
+void MainThreadEventQueueTaskList::Queue( |
+ std::unique_ptr<MainThreadEventQueueTask> event) { |
+ for (auto last_event_iter = queue_.rbegin(); last_event_iter != queue_.rend(); |
+ ++last_event_iter) { |
+ switch ((*last_event_iter)->CoalesceWith(*event.get())) { |
+ case MainThreadEventQueueTask::CoalesceResult::Coalesced: |
+ return; |
+ case MainThreadEventQueueTask::CoalesceResult::CannotCoalesce: |
+ break; |
+ case MainThreadEventQueueTask::CoalesceResult::KeepSearching: |
+ continue; |
+ } |
+ break; |
+ } |
+ queue_.emplace_back(std::move(event)); |
+} |
+ |
+std::unique_ptr<MainThreadEventQueueTask> MainThreadEventQueueTaskList::Pop() { |
+ std::unique_ptr<MainThreadEventQueueTask> result; |
+ if (!queue_.empty()) { |
+ result.reset(queue_.front().release()); |
+ queue_.pop_front(); |
+ } |
+ return result; |
+} |
+ |
+} // namespace |