Force the video to go fullscreen when setting persistent video

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 18 matching lines @@
 #include <limits>
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/Microtask.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptEventListener.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/HTMLNames.h"
 #include "core/css/MediaList.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/DOMException.h"
+#include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ElementVisibilityObserver.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameClient.h"
 #include "core/frame/Settings.h"
@@ skipping 409 matching lines @@
       m_inOverlayFullscreenVideo(false),
       m_mostlyFillingViewport(false),
       m_audioTracks(this, AudioTrackList::create(*this)),
       m_videoTracks(this, VideoTrackList::create(*this)),
       m_textTracks(this, nullptr),
       m_audioSourceNode(nullptr),
       m_autoplayUmaHelper(AutoplayUmaHelper::create(this)),
       m_remotePlaybackClient(nullptr),
       m_autoplayVisibilityObserver(nullptr),
       m_mediaControls(nullptr),
-      m_controlsList(HTMLMediaElementControlsList::create(this)) {
+      m_controlsList(HTMLMediaElementControlsList::create(this)),
+      m_isPersistentVideo(false) {
   BLINK_MEDIA_LOG << "HTMLMediaElement(" << (void*)this << ")";
 
   m_lockedPendingUserGesture = computeLockedPendingUserGesture(document);
   m_lockedPendingUserGestureIfCrossOriginExperimentEnabled =
       isDocumentCrossOrigin(document);
 
   LocalFrame* frame = document.frame();
   if (frame) {
     m_remotePlaybackClient =
         frame->loader().client()->createWebRemotePlaybackClient(*this);
@@ skipping 2748 matching lines @@
 void HTMLMediaElement::cancelledRemotePlaybackRequest() {
   if (remotePlaybackClient())
     remotePlaybackClient()->promptCancelled();
 }
 
 void HTMLMediaElement::remotePlaybackStarted() {
   if (remotePlaybackClient())
     remotePlaybackClient()->stateChanged(WebRemotePlaybackState::Connected);
 }
 
+// TODO(zqzhang): move logic for hiding controls here.
+void HTMLMediaElement::onBecamePersistentVideo(bool value) {
+  if (!isHTMLVideoElement())
+    return;
+
+  if (value) {
+    if (isFullscreen())
+      return;
+
+    UserGestureIndicator gestureIndicator(
+        DocumentUserGestureToken::create(&document()));
+    Fullscreen::requestFullscreen(*this);
+    m_isPersistentVideo = true;
+  } else {
+    if (!m_isPersistentVideo)
+      return;
+
+    Fullscreen::exitFullscreen(document());
+    m_isPersistentVideo = false;
+  }
+}
+
 bool HTMLMediaElement::hasSelectedVideoTrack() {
   DCHECK(RuntimeEnabledFeatures::backgroundVideoTrackOptimizationEnabled());
 
   return m_videoTracks && m_videoTracks->selectedIndex() != -1;
 }
 
 WebMediaPlayer::TrackId HTMLMediaElement::getSelectedVideoTrackId() {
   DCHECK(RuntimeEnabledFeatures::backgroundVideoTrackOptimizationEnabled());
   DCHECK(hasSelectedVideoTrack());
 
@@ skipping 951 matching lines @@
       kMostlyFillViewportBecomeStableSeconds, BLINK_FROM_HERE);
 }
 
 void HTMLMediaElement::viewportFillDebouncerTimerFired(TimerBase*) {
   m_mostlyFillingViewport = true;
   if (m_webMediaPlayer)
     m_webMediaPlayer->becameDominantVisibleContent(m_mostlyFillingViewport);
 }
 
 }  // namespace blink