Media Controls: move last buttons to modules/.

third_party/WebKit/Source/modules/media_controls/elements/MediaControlCastButtonElement.h

+// 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.
+
+#ifndef MediaControlCastButtonElement_h
+#define MediaControlCastButtonElement_h
+
+#include "core/html/shadow/MediaControlElementTypes.h"
+
+namespace blink {
+
+class Event;
+class MediaControlsImpl;
+
+class MediaControlCastButtonElement final : public MediaControlInputElement {
+ public:
+  MediaControlCastButtonElement(MediaControlsImpl&, bool is_overlay_button);
+
+  // This will show a cast button if it is not covered by another element.
+  // This MUST be called for cast button elements that are overlay elements.
+  void TryShowOverlay();
+
+  void SetIsPlayingRemotely(bool);
+
+  // MediaControlInputElement overrides.
+  bool WillRespondToMouseClickEvents() override;
+  WebLocalizedString::Name GetOverflowStringName() override;
+  bool HasOverflowButton() override;
+
+ private:
+  // This is used for UMA histogram (Cast.Sender.Overlay). New values should
+  // be appended only and must be added before |Count|.
+  enum class CastOverlayMetrics {
+    kCreated = 0,
+    kShown,
+    kClicked,
+    kCount  // Keep last.
+  };
+
+  void DefaultEventHandler(Event*) override;
+  bool KeepEventInNode(Event*) override;
+
+  void RecordMetrics(CastOverlayMetrics);
+
+  bool is_overlay_button_;
+
+  // UMA related boolean. They are used to prevent counting something twice
+  // for the same media element.
+  bool click_use_counted_ = false;
+  bool show_use_counted_ = false;
+};
+
+}  // namespace blink
+
+#endif  // MediaControlCastButtonElement_h