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

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

+// 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 "core/html/shadow/MediaRemotingInterstitial.h"
+
+#include "core/html/HTMLMediaElement.h"
+#include "core/html/shadow/MediaControlElements.h"
+
+namespace blink {
+
+MediaRemotingInterstitialElements::MediaRemotingInterstitialElements(
+    MediaRemotingInterstitial& interstitial)
+    : HTMLDivElement(interstitial.document()), m_interstitial(interstitial) {
+  setShadowPseudoId(
+      AtomicString("-internal-media-remoting-interstitial-elements"));
+  m_mediaRemotingDisableButton = new MediaRemotingDisableButtonElement(*this);
+  m_MediaRemotingCastIcon = new MediaRemotingCastIconElement(*this);
+  m_mediaRemotingCastMessage = new MediaRemotingCastMessageElement(*this);
+  appendChild(m_MediaRemotingCastIcon);
+  appendChild(m_mediaRemotingCastMessage);
+  appendChild(m_mediaRemotingDisableButton);
+}
+
+void MediaRemotingInterstitialElements::show() {
+  m_mediaRemotingDisableButton->show();
+  m_MediaRemotingCastIcon->show();
+  m_mediaRemotingCastMessage->show();
+}
+
+void MediaRemotingInterstitialElements::hide() {
+  m_mediaRemotingDisableButton->hide();
+  m_MediaRemotingCastIcon->hide();
+  m_mediaRemotingCastMessage->hide();
+}
+
+HTMLMediaElement& MediaRemotingInterstitialElements::mediaElement() const {
+  return m_interstitial->mediaElement();
+}
+
+DEFINE_TRACE(MediaRemotingInterstitialElements) {
+  visitor->trace(m_interstitial);
+  visitor->trace(m_mediaRemotingDisableButton);
+  visitor->trace(m_MediaRemotingCastIcon);
+  visitor->trace(m_mediaRemotingCastMessage);
+  HTMLDivElement::trace(visitor);
+}
+
+MediaRemotingInterstitial::MediaRemotingInterstitial(
+    HTMLMediaElement& mediaElement)
+    : HTMLDivElement(mediaElement.document()), m_mediaElement(&mediaElement) {
+  setShadowPseudoId(AtomicString("-internal-media-remoting-interstitial"));
+  m_interstitialElements = new MediaRemotingInterstitialElements(*this);
+  m_mediaRemotingBackgroundImage =
+      new MediaRemotingBackgroundImageElement(*this);
+  appendChild(m_mediaRemotingBackgroundImage);
+  appendChild(m_interstitialElements);
+}
+
+void MediaRemotingInterstitial::show() {
+  m_shown = true;
+  m_mediaRemotingBackgroundImage->show();
+  m_interstitialElements->show();
+}
+
+void MediaRemotingInterstitial::hide() {
+  m_shown = false;
+  m_mediaRemotingBackgroundImage->hide();
+  m_interstitialElements->hide();
+}
+
+void MediaRemotingInterstitial::onPosterImageChanged() {
+  if (m_shown) {
+    hide();
+    show();
+  }
+}
+
+DEFINE_TRACE(MediaRemotingInterstitial) {
+  visitor->trace(m_mediaElement);
+  visitor->trace(m_interstitialElements);
+  visitor->trace(m_mediaRemotingBackgroundImage);
+  HTMLDivElement::trace(visitor);
+}
+
+}  // namespace blink