Move core MediaControls implementation to modules/media_controls/.

third_party/WebKit/Source/core/layout/LayoutVTTCue.cpp

 /*
  * Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/layout/LayoutVTTCue.h"
 
 #include "core/frame/Settings.h"
-#include "core/html/shadow/MediaControls.h"
+#include "core/html/HTMLMediaElement.h"
+#include "core/html/media/MediaControls.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutState.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 namespace {
 
 class SnapToLinesLayouter {
   STACK_ALLOCATED();
@@ skipping 279 matching lines @@
   // done positioning below. If there are multiple such positions that are
   // equidistant from their current position, use the highest one amongst
   // them; if there are several at that height, then use the leftmost one
   // amongst them.
 
   // 5. Otherwise, jump to the step labeled done positioning below. (The
   // boxes will unfortunately overlap.)
 }
 
 IntRect LayoutVTTCue::computeControlsRect() const {
-  // Determine the area covered by the media controls, if any. If the controls
-  // are present, they are the next sibling of the text track container, which
-  // is our parent. (LayoutMedia ensures that the media controls are laid out
-  // before text tracks, so that the layout is up to date here.)
+  // Determine the area covered by the media controls, if any. For this, the
+  // LayoutVTTCue will walk the tree up to the HTMLMediaElement, then ask for
+  // the MediaControls.
   DCHECK(parent()->node()->isTextTrackContainer());
-  LayoutObject* controlsContainer = parent()->nextSibling();
-  if (!controlsContainer)
+  DCHECK(isHTMLMediaElement(parent()->parent()->node()));
+
+  HTMLMediaElement* mediaElement =
+      toHTMLMediaElement(parent()->parent()->node());
+  DCHECK(mediaElement);
+
+  MediaControls* controls = mediaElement->mediaControls();
+  if (!controls || !controls->containerLayoutObject())
     return IntRect();
+
   // Only a part of the media controls is used for overlap avoidance.
-  MediaControls* controls = toMediaControls(controlsContainer->node());
-  LayoutObject* controlsLayout = controls->layoutObjectForTextTrackLayout();
+  LayoutObject* panelLayoutObject =
+      mediaElement->mediaControls()->panelLayoutObject();
+
   // The (second part of the) following is mostly defensive - in general
   // there should be a LayoutBox representing the part of the controls that
   // are relevant for overlap avoidance. (The controls pseudo elements are
   // generally reachable from outside the shadow tree though, hence the
   // "mostly".)
-  if (!controlsLayout || !controlsLayout->isBox())
+  if (!panelLayoutObject || !panelLayoutObject->isBox())
     return IntRect();
+
   // Assume that the controls container are positioned in the same relative
   // position as the text track container. (LayoutMedia::layout ensures this.)
-  return contentBoxRelativeToAncestor(toLayoutBox(*controlsLayout),
-                                      toLayoutBox(*controlsContainer));
+  return contentBoxRelativeToAncestor(
+      toLayoutBox(*panelLayoutObject),
+      toLayoutBox(*controls->containerLayoutObject()));
 }
 
 void LayoutVTTCue::layout() {
   LayoutBlockFlow::layout();
 
   DCHECK(firstChild());
 
   LayoutState state(*this);
 
   // http://dev.w3.org/html5/webvtt/#dfn-apply-webvtt-cue-settings - step 13.
   if (!std::isnan(m_snapToLinesPosition))
     SnapToLinesLayouter(*this, computeControlsRect()).layout();
   else
     repositionCueSnapToLinesNotSet();
 }
 
 }  // namespace blink