Hide overflow menu/closed caption list when clicking outside the list

third_party/WebKit/Source/core/html/shadow/MediaControlsWindowEventListener.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControlsWindowEventListener.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControlsWindowEventListener.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControlsWindowEventListener.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4f266eceb3cd9708b378312ee24b463e341769f3
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControlsWindowEventListener.cpp
@@ -0,0 +1,84 @@
+// Copyright 2016 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 "core/html/shadow/MediaControlsWindowEventListener.h"
+
+#include "core/events/Event.h"
+#include "core/frame/LocalDOMWindow.h"
+#include "core/html/HTMLMediaElement.h"
+#include "core/html/shadow/MediaControls.h"
+
+namespace blink {
+
+MediaControlsWindowEventListener* MediaControlsWindowEventListener::create(
+    MediaControls* mediaControls,
+    std::unique_ptr<Callback> callback) {
+  return new MediaControlsWindowEventListener(mediaControls,
+                                              std::move(callback));
+}
+
+MediaControlsWindowEventListener::MediaControlsWindowEventListener(
+    MediaControls* mediaControls,
+    std::unique_ptr<Callback> callback)
+    : EventListener(CPPEventListenerType),
+      m_mediaControls(mediaControls),
+      m_callback(std::move(callback)),
+      m_isActive(false) {
+  DCHECK(m_callback);
+}
+
+bool MediaControlsWindowEventListener::operator==(
+    const EventListener& other) const {
+  return this == &other;
+}
+
+void MediaControlsWindowEventListener::start() {
+  if (m_isActive)
+    return;
+
+  if (LocalDOMWindow* window = getLocalDOMWindow()) {
+    window->addEventListener(EventTypeNames::click, this, false);
+    m_isActive = true;
+  }
+}
+
+void MediaControlsWindowEventListener::stop() {
+  if (!m_isActive)
+    return;
+
+  if (LocalDOMWindow* window = getLocalDOMWindow())
+    window->removeEventListener(EventTypeNames::click, this, false);
+  m_isActive = false;
+}
+
+void MediaControlsWindowEventListener::handleEvent(
+    ExecutionContext* executionContext,
+    Event* event) {
+  DCHECK(event->type() == EventTypeNames::click);
+  handleClickEvent();
+}
+
+void MediaControlsWindowEventListener::handleClickEvent() {
+  if (!m_isActive)
+    return;
+  (*m_callback.get())();
+}
+
+LocalDOMWindow* MediaControlsWindowEventListener::getLocalDOMWindow() const {
+  LocalDOMWindow* window =
+      m_mediaControls->mediaElement().document().domWindow();
+
+  while (window && window != window->parent() && window->parent() &&
+         window->parent()->isLocalDOMWindow())
+    window = static_cast<LocalDOMWindow*>(window->parent());
+
+  return window;
+}
+
+DEFINE_TRACE(MediaControlsWindowEventListener) {
+  EventListener::trace(visitor);
+  visitor->trace(m_mediaControls);
+}
+
+}  // namespace blink