author Jean-Yves Avenard <>
Tue, 14 Apr 2015 15:17:55 +1000
changeset 268817 65492fe833627d14e292d63de5b8695011127c6f
parent 268812 818a69e48d385ef4df7e055d6910f4172a58b2c1
child 272011 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
permissions -rw-r--r--
Bug 1153049: Part5. Simplify retrieval of HTMLVideoElement dimensions. r=cpearce

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at */

#ifndef mozilla_dom_HTMLVideoElement_h
#define mozilla_dom_HTMLVideoElement_h

#include "mozilla/Attributes.h"
#include "mozilla/dom/HTMLMediaElement.h"

namespace mozilla {
namespace dom {

class WakeLock;
class VideoPlaybackQuality;

class HTMLVideoElement final : public HTMLMediaElement
  typedef mozilla::dom::NodeInfo NodeInfo;

  explicit HTMLVideoElement(already_AddRefed<NodeInfo>& aNodeInfo);


  using HTMLMediaElement::GetPaused;

  NS_IMETHOD_(bool) IsVideo() override {
    return true;

  virtual bool ParseAttribute(int32_t aNamespaceID,
                              nsIAtom* aAttribute,
                              const nsAString& aValue,
                              nsAttrValue& aResult) override;
  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;

  static void Init();

  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;

  virtual nsresult Clone(NodeInfo *aNodeInfo, nsINode **aResult) const override;

  // Set size with the current video frame's height and width.
  // If there is no video frame, returns NS_ERROR_FAILURE.
  nsresult GetVideoSize(nsIntSize* size);

  virtual nsresult SetAcceptHeader(nsIHttpChannel* aChannel) override;

  // Element
  virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;

  // WebIDL

  uint32_t Width() const
    return GetIntAttr(nsGkAtoms::width, 0);

  void SetWidth(uint32_t aValue, ErrorResult& aRv)
    SetHTMLIntAttr(nsGkAtoms::width, aValue, aRv);

  uint32_t Height() const
    return GetIntAttr(nsGkAtoms::height, 0);

  void SetHeight(uint32_t aValue, ErrorResult& aRv)
    SetHTMLIntAttr(nsGkAtoms::height, aValue, aRv);

  uint32_t VideoWidth() const
    return mMediaInfo.HasVideo() ? mMediaInfo.mVideo.mDisplay.width : 0;

  uint32_t VideoHeight() const
    return mMediaInfo.HasVideo() ? mMediaInfo.mVideo.mDisplay.height : 0;

  void GetPoster(nsAString& aValue)
    GetURIAttr(nsGkAtoms::poster, nullptr, aValue);
  void SetPoster(const nsAString& aValue, ErrorResult& aRv)
    SetHTMLAttr(nsGkAtoms::poster, aValue, aRv);

  uint32_t MozParsedFrames() const;

  uint32_t MozDecodedFrames() const;

  uint32_t MozPresentedFrames() const;

  uint32_t MozPaintedFrames();

  double MozFrameDelay();

  bool MozHasAudio() const;

  void NotifyOwnerDocumentActivityChanged() override;

  already_AddRefed<VideoPlaybackQuality> GetVideoPlaybackQuality();

  virtual ~HTMLVideoElement();

  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  virtual void WakeLockCreate() override;
  virtual void WakeLockRelease() override;
  void UpdateScreenWakeLock();

  nsRefPtr<WakeLock> mScreenWakeLock;

  static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
                                    nsRuleData* aData);

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_HTMLVideoElement_h