Media Remoting: Add interstitial elements to media element shadow dom.

third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.h

Index: third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.h
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.h b/third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.h
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index 0000000000000000000000000000000000000000..9999619d610f8524ef9bb54f4cff679ae2936e8e
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+++ b/third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.h
@@ -0,0 +1,56 @@
+// 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 MediaRemotingInterstitial_h
+#define MediaRemotingInterstitial_h
+
+#include "core/html/HTMLDivElement.h"
+
+namespace blink {
+
+class HTMLImageElement;
+class HTMLVideoElement;
+class MediaRemotingDisableButtonElement;
+class MediaRemotingCastMessageElement;
+class MediaRemotingCastIconElement;
+
+// Media Remoting UI. DOM structure looks like:
+//
+// MediaRemotingInterstitial
+//     (-internal-media-remoting-interstitial)
+// +-HTMLImageElement
+// |    (-internal-media-remoting-background-image)
+// \-MediaRemotingCastIconElement
+// |    (-internal-media-remoting-cast-icon)
+// \-MediaRemotingCastMessageElement
+// |    (-internal-media-remoting-cast-text-message)
+// \-MediaRemotingDisableButtonElement
+//      (-internal-media-remoting-disable-button)
+class MediaRemotingInterstitial final : public HTMLDivElement {
+ public:
+  explicit MediaRemotingInterstitial(HTMLVideoElement&);
+
+  // Show/Hide Media Remoting interstitial.
+  void Show();
+  void Hide();
+  void OnPosterImageChanged();
+
+  HTMLVideoElement& VideoElement() const { return *video_element_; }

[mlamouri (slow - plz ping), 2017/04/13 17:20:51]

GetVideoElement()?

[xjz, 2017/04/13 19:12:12]

Done.

+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  // Node override.
+  bool IsMediaRemotingInterstitial() const override { return true; }
+
+  Member<HTMLVideoElement> video_element_;
+  Member<HTMLImageElement> background_image_;
+  Member<MediaRemotingDisableButtonElement> disable_button_;

[mlamouri (slow - plz ping), 2017/04/13 17:20:51]

Rename this?

[xjz, 2017/04/13 19:12:12]

Done.

+  Member<MediaRemotingCastIconElement> cast_icon_;
+  Member<MediaRemotingCastMessageElement> cast_text_message_;
+};
+
+}  // namespace
+
+#endif  // MediaRemotingInterstitial_h