auto merge of #837 : saneyuki/servo/webidl, r=jdm

src/components/script/dom/bindings/codegen/Bindings.conf

@@ -556,6 +556,7 @@ addHTMLElement('Text')
 addHTMLElement('HTMLAnchorElement')
 addHTMLElement('HTMLAppletElement')
 addHTMLElement('HTMLAreaElement')
+addHTMLElement('HTMLAudioElement')
 addHTMLElement('HTMLButtonElement')
 addHTMLElement('HTMLBaseElement')
 addHTMLElement('HTMLBodyElement')
@@ -580,9 +581,12 @@ addHTMLElement('HTMLHRElement')
 addHTMLElement('HTMLIFrameElement')
 addHTMLElement('HTMLImageElement')
 addHTMLElement('HTMLInputElement')
+addHTMLElement('HTMLLabelElement')
+addHTMLElement('HTMLLegendElement')
 addHTMLElement('HTMLLIElement')
 addHTMLElement('HTMLLinkElement')
 addHTMLElement('HTMLMapElement')
+addHTMLElement('HTMLMediaElement')
 addHTMLElement('HTMLMetaElement')
 addHTMLElement('HTMLMeterElement')
 addHTMLElement('HTMLModElement')
@@ -593,6 +597,7 @@ addHTMLElement('HTMLOptionElement')
 addHTMLElement('HTMLOutputElement')
 addHTMLElement('HTMLParagraphElement')
 addHTMLElement('HTMLParamElement')
+addHTMLElement('HTMLPreElement')
 addHTMLElement('HTMLProgressElement')
 addHTMLElement('HTMLQuoteElement')
 addHTMLElement('HTMLScriptElement')
@@ -606,10 +611,13 @@ addHTMLElement('HTMLTableCellElement')
 addHTMLElement('HTMLTableColElement')
 addHTMLElement('HTMLTableRowElement')
 addHTMLElement('HTMLTableSectionElement')
+addHTMLElement('HTMLTemplateElement')
 addHTMLElement('HTMLTextAreaElement')
 addHTMLElement('HTMLTimeElement')
 addHTMLElement('HTMLTitleElement')
+addHTMLElement('HTMLTrackElement')
 addHTMLElement('HTMLUListElement')
+addHTMLElement('HTMLVideoElement')
 addHTMLElement('HTMLUnknownElement')
 
 # If you add one of these, you need to make sure nsDOMQS.h has the relevant
@@ -619,7 +627,6 @@ def addExternalHTMLElement(element):
    addExternalIface(element, nativeType=nativeElement,
                     headerFile=nativeElement + '.h')
 
-addExternalHTMLElement('HTMLVideoElement')
 addExternalIface('CanvasGradient', headerFile='nsIDOMCanvasRenderingContext2D.h')
 addExternalIface('CanvasPattern', headerFile='nsIDOMCanvasRenderingContext2D.h')
 addExternalIface('CSSRule')

src/components/script/dom/bindings/codegen/HTMLAudioElement.webidl

@@ -0,0 +1,37 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-audio-element
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+[NamedConstructor=Audio(optional DOMString src)]
+interface HTMLAudioElement : HTMLMediaElement {};
+
+partial interface HTMLAudioElement
+{
+/*
+  // Setup the audio stream for writing
+  [Pref="media.audio_data.enabled", Throws]
+  void mozSetup(unsigned long channels, unsigned long rate);
+
+  // Write audio to the audio stream
+  [Pref="media.audio_data.enabled", Throws]
+  unsigned long mozWriteAudio(Float32Array data);
+  [Pref="media.audio_data.enabled", Throws]
+  unsigned long mozWriteAudio(sequence<unrestricted float> data);
+
+  // Get the current offset (measured in samples since the start) of the audio
+  // stream created using mozWriteAudio().
+  [Pref="media.audio_data.enabled", Throws]
+  unsigned long long mozCurrentSampleOffset();
+*/
+};

src/components/script/dom/bindings/codegen/HTMLLabelElement.webidl

@@ -0,0 +1,24 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+interface HTMLLabelElement : HTMLElement {
+/* FIXME:
+  readonly attribute HTMLFormElement? form;
+*/
+           attribute DOMString htmlFor;
+/*
+  readonly attribute HTMLElement? control;
+*/
+};

src/components/script/dom/bindings/codegen/HTMLLegendElement.webidl

@@ -0,0 +1,29 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-legend-element
+ * http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+// http://www.whatwg.org/specs/web-apps/current-work/#the-legend-element
+interface HTMLLegendElement : HTMLElement {
+/*
+  FIXME:
+  readonly attribute HTMLFormElement? form;
+*/
+};
+
+// http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+partial interface HTMLLegendElement {
+           [SetterThrows]
+           attribute DOMString align;
+};

src/components/script/dom/bindings/codegen/HTMLMediaElement.webidl

@@ -0,0 +1,188 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#media-elements
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+interface HTMLMediaElement : HTMLElement {
+/*
+  // error state
+  readonly attribute MediaError? error;
+*/
+  // network state
+  [SetterThrows]
+           attribute DOMString src;
+  readonly attribute DOMString currentSrc;
+
+  [SetterThrows]
+           attribute DOMString crossOrigin;
+  const unsigned short NETWORK_EMPTY = 0;
+  const unsigned short NETWORK_IDLE = 1;
+  const unsigned short NETWORK_LOADING = 2;
+  const unsigned short NETWORK_NO_SOURCE = 3;
+/*
+  TODO:
+  readonly attribute unsigned short networkState;
+*/
+  [SetterThrows]
+           attribute DOMString preload;
+/*
+  [Creator]
+  readonly attribute TimeRanges buffered;
+*/
+  void load();
+  DOMString canPlayType(DOMString type);
+
+  // ready state
+  const unsigned short HAVE_NOTHING = 0;
+  const unsigned short HAVE_METADATA = 1;
+  const unsigned short HAVE_CURRENT_DATA = 2;
+  const unsigned short HAVE_FUTURE_DATA = 3;
+  const unsigned short HAVE_ENOUGH_DATA = 4;
+  readonly attribute unsigned short readyState;
+  readonly attribute boolean seeking;
+
+  // playback state
+  [SetterThrows]
+           attribute double currentTime;
+  // TODO: Bug 847375 - void fastSeek(double time);
+/*
+  TODO:
+  readonly attribute unrestricted double duration;
+*/
+  // TODO: Bug 847376 - readonly attribute any startDate;
+  readonly attribute boolean paused;
+  [SetterThrows]
+           attribute double defaultPlaybackRate;
+  [SetterThrows]
+           attribute double playbackRate;
+/*
+  [Creator]
+  readonly attribute TimeRanges played;
+  [Creator]
+  readonly attribute TimeRanges seekable;
+*/
+  readonly attribute boolean ended;
+  [SetterThrows]
+           attribute boolean autoplay;
+  [SetterThrows]
+           attribute boolean loop;
+  [Throws]
+  void play();
+  [Throws]
+  void pause();
+
+  // TODO: Bug 847377 - mediaGroup and MediaController
+  // media controller
+  //         attribute DOMString mediaGroup;
+  //         attribute MediaController? controller;
+
+  // controls
+  [SetterThrows]
+           attribute boolean controls;
+  [SetterThrows]
+           attribute double volume;
+           attribute boolean muted;
+  [SetterThrows]
+           attribute boolean defaultMuted;
+
+  // TODO: Bug 847379
+  // tracks
+  //readonly attribute AudioTrackList audioTracks;
+  //readonly attribute VideoTrackList videoTracks;
+/*
+  [Pref="media.webvtt.enabled"]
+  readonly attribute TextTrackList textTracks;
+  [Pref="media.webvtt.enabled"]
+  TextTrack addTextTrack(TextTrackKind kind,
+                         optional DOMString label = "",
+                         optional DOMString language = "");
+*/
+};
+
+/*
+// Mozilla extensions:
+partial interface HTMLMediaElement {
+  attribute MediaStream? mozSrcObject;
+  attribute boolean mozPreservesPitch;
+  readonly attribute boolean mozAutoplayEnabled;
+
+  // Mozilla extension: stream capture
+  [Throws]
+  MediaStream mozCaptureStream();
+  [Throws]
+  MediaStream mozCaptureStreamUntilEnded();
+  readonly attribute boolean mozAudioCaptured;
+
+  // Mozilla extension: extra stream metadata information, used as part
+  // of MozAudioAvailable events and the mozWriteAudio() method.  The
+  // mozFrameBufferLength method allows for the size of the framebuffer
+  // used within MozAudioAvailable events to be changed.  The new size must
+  // be between 512 and 16384.  The default size, for a  media element with
+  // audio is (mozChannels * 1024).
+  [GetterThrows]
+  readonly attribute unsigned long mozChannels;
+  [GetterThrows]
+  readonly attribute unsigned long mozSampleRate;
+  [Throws]
+           attribute unsigned long mozFrameBufferLength;
+
+  // Mozilla extension: return embedded metadata from the stream as a
+  // JSObject with key:value pairs for each tag. This can be used by
+  // player interfaces to display the song title, artist, etc.
+  [Throws]
+  object? mozGetMetadata();
+
+  // Mozilla extension: provides access to the fragment end time if
+  // the media element has a fragment URI for the currentSrc, otherwise
+  // it is equal to the media duration.
+  readonly attribute double mozFragmentEnd;
+
+  // Mozilla extension: an audio channel type for media elements.
+  // An exception is thrown if the app tries to change the audio channel type
+  // without the permission (manifest file for B2G apps).
+  // The supported values are:
+  // * normal (default value)
+  //   Automatically paused if "notification" or higher priority channel
+  //   is played
+  //   Use case: normal applications
+  // * content
+  //   Automatically paused if "notification" or higher priority channel
+  //   is played. Also paused if another app starts using "content"
+  //   channel. Using this channel never affects applications using
+  //   the "normal" channel.
+  //   Use case: video/audio players
+  // * notification
+  //   Automatically paused if "alarm" or higher priority channel is played.
+  //   Use case: New email, incoming SMS
+  // * alarm
+  //   Automatically paused if "telephony" or higher priority channel is
+  //   played.
+  //   User case: Alarm clock, calendar alarms
+  // * telephony
+  //   Automatically paused if "ringer" or higher priority
+  //   channel is played.
+  //   Use case: dialer, voip
+  // * ringer
+  //   Automatically paused if "publicnotification" or higher priority
+  //   channel is played.
+  //   Use case: dialer, voip
+  // * publicnotification
+  //   Always plays in speaker, even when headphones are plugged in.
+  //   Use case: Camera shutter sound.
+  [SetterThrows]
+  attribute DOMString mozAudioChannelType;
+
+  // In addition the media element has this new events:
+  // * onmozinterruptbegin - called when the media element is interrupted
+  //   because of the audiochannel manager.
+  // * onmozinterruptend - called when the interruption is concluded
+};
+*/

src/components/script/dom/bindings/codegen/HTMLPreElement.webidl

@@ -0,0 +1,24 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-pre-element
+ * http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+// http://www.whatwg.org/specs/web-apps/current-work/#the-pre-element
+interface HTMLPreElement : HTMLElement {
+};
+
+// http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
+partial interface HTMLPreElement {
+           [SetterThrows]
+           attribute long width;
+};

src/components/script/dom/bindings/codegen/HTMLTemplateElement.webidl

@@ -0,0 +1,19 @@
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/templates/index.html
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/HTMLTemplateElement.webidl
+
+interface HTMLTemplateElement : HTMLElement {
+/* FIXME:
+    readonly attribute DocumentFragment content;
+*/
+};
+

src/components/script/dom/bindings/codegen/HTMLTrackElement.webidl

@@ -0,0 +1,36 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-track-element
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+/*
+[Pref="media.webvtt.enabled"]
+*/
+interface HTMLTrackElement : HTMLElement {
+  [SetterThrows, Pure]
+  attribute DOMString kind;
+  [SetterThrows, Pure]
+  attribute DOMString src;
+  [SetterThrows, Pure]
+  attribute DOMString srclang;
+  [SetterThrows, Pure]
+  attribute DOMString label;
+  [SetterThrows, Pure]
+  attribute boolean default;
+
+  const unsigned short NONE = 0;
+  const unsigned short LOADING = 1;
+  const unsigned short LOADED = 2;
+  const unsigned short ERROR = 3;
+  readonly attribute unsigned short readyState;
+/*
+  TODO:
+  readonly attribute TextTrack track;
+*/
+};

src/components/script/dom/bindings/codegen/HTMLVideoElement.webidl

@@ -0,0 +1,56 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://www.whatwg.org/specs/web-apps/current-work/#the-video-element
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+// import from http://mxr.mozilla.org/mozilla-central/source/dom/webidl/
+
+interface HTMLVideoElement : HTMLMediaElement {
+  [SetterThrows]
+           attribute unsigned long width;
+  [SetterThrows]
+           attribute unsigned long height;
+  readonly attribute unsigned long videoWidth;
+  readonly attribute unsigned long videoHeight;
+  [SetterThrows]
+           attribute DOMString poster;
+};
+/*
+partial interface HTMLVideoElement {
+  // A count of the number of video frames that have demuxed from the media
+  // resource. If we were playing perfectly, we'd be able to paint this many
+  // frames.
+  readonly attribute unsigned long mozParsedFrames;
+
+  // A count of the number of frames that have been decoded. We may drop
+  // frames if the decode is taking too much time.
+  readonly attribute unsigned long mozDecodedFrames;
+
+  // A count of the number of frames that have been presented to the rendering
+  // pipeline. We may drop frames if they arrive late at the renderer.
+  readonly attribute unsigned long mozPresentedFrames;
+
+  // Number of presented frames which were painted on screen.
+  readonly attribute unsigned long mozPaintedFrames;
+
+  // Time which the last painted video frame was late by, in seconds.
+  readonly attribute double mozFrameDelay;
+
+  // True if the video has an audio track available.
+  readonly attribute boolean mozHasAudio;
+};
+
+// https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html#idl-def-HTMLVideoElement
+partial interface HTMLVideoElement {
+  [Pref="media.mediasource.enabled", Creator]
+  VideoPlaybackQuality getVideoPlaybackQuality();
+};
+*/

src/components/script/dom/bindings/element.rs

@@ -48,6 +48,8 @@ generate_cacheable_wrapper!(HTMLAppletElement, HTMLAppletElementBinding::Wrap)
 generate_binding_object!(HTMLAppletElement)
 generate_cacheable_wrapper!(HTMLAreaElement, HTMLAreaElementBinding::Wrap)
 generate_binding_object!(HTMLAreaElement)
+generate_cacheable_wrapper!(HTMLAudioElement, HTMLAudioElementBinding::Wrap)
+generate_binding_object!(HTMLAudioElement)
 generate_cacheable_wrapper!(HTMLBaseElement, HTMLBaseElementBinding::Wrap)
 generate_binding_object!(HTMLBaseElement)
 generate_cacheable_wrapper!(HTMLBodyElement, HTMLBodyElementBinding::Wrap)
@@ -92,12 +94,18 @@ generate_cacheable_wrapper!(HTMLImageElement, HTMLImageElementBinding::Wrap)
 generate_binding_object!(HTMLImageElement)
 generate_cacheable_wrapper!(HTMLInputElement, HTMLInputElementBinding::Wrap)
 generate_binding_object!(HTMLInputElement)
+generate_cacheable_wrapper!(HTMLLabelElement, HTMLLabelElementBinding::Wrap)
+generate_binding_object!(HTMLLabelElement)
+generate_cacheable_wrapper!(HTMLLegendElement, HTMLLegendElementBinding::Wrap)
+generate_binding_object!(HTMLLegendElement)
 generate_cacheable_wrapper!(HTMLLIElement, HTMLLIElementBinding::Wrap)
 generate_binding_object!(HTMLLIElement)
 generate_cacheable_wrapper!(HTMLLinkElement, HTMLLinkElementBinding::Wrap)
 generate_binding_object!(HTMLLinkElement)
 generate_cacheable_wrapper!(HTMLMapElement, HTMLMapElementBinding::Wrap)
 generate_binding_object!(HTMLMapElement)
+generate_cacheable_wrapper!(HTMLMediaElement, HTMLMediaElementBinding::Wrap)
+generate_binding_object!(HTMLMediaElement)
 generate_cacheable_wrapper!(HTMLMetaElement, HTMLMetaElementBinding::Wrap)
 generate_binding_object!(HTMLMetaElement)
 generate_cacheable_wrapper!(HTMLMeterElement, HTMLMeterElementBinding::Wrap)
@@ -118,6 +126,8 @@ generate_cacheable_wrapper!(HTMLParagraphElement, HTMLParagraphElementBinding::W
 generate_binding_object!(HTMLParagraphElement)
 generate_cacheable_wrapper!(HTMLParamElement, HTMLParamElementBinding::Wrap)
 generate_binding_object!(HTMLParamElement)
+generate_cacheable_wrapper!(HTMLPreElement, HTMLPreElementBinding::Wrap)
+generate_binding_object!(HTMLPreElement)
 generate_cacheable_wrapper!(HTMLProgressElement, HTMLProgressElementBinding::Wrap)
 generate_binding_object!(HTMLProgressElement)
 generate_cacheable_wrapper!(HTMLQuoteElement, HTMLQuoteElementBinding::Wrap)
@@ -144,13 +154,19 @@ generate_cacheable_wrapper!(HTMLTableRowElement, HTMLTableRowElementBinding::Wra
 generate_binding_object!(HTMLTableRowElement)
 generate_cacheable_wrapper!(HTMLTableSectionElement, HTMLTableSectionElementBinding::Wrap)
 generate_binding_object!(HTMLTableSectionElement)
+generate_cacheable_wrapper!(HTMLTemplateElement, HTMLTemplateElementBinding::Wrap)
+generate_binding_object!(HTMLTemplateElement)
 generate_cacheable_wrapper!(HTMLTextAreaElement, HTMLTextAreaElementBinding::Wrap)
 generate_binding_object!(HTMLTextAreaElement)
 generate_cacheable_wrapper!(HTMLTitleElement, HTMLTitleElementBinding::Wrap)
 generate_binding_object!(HTMLTitleElement)
 generate_cacheable_wrapper!(HTMLTimeElement, HTMLTimeElementBinding::Wrap)
 generate_binding_object!(HTMLTimeElement)
+generate_cacheable_wrapper!(HTMLTrackElement, HTMLTrackElementBinding::Wrap)
+generate_binding_object!(HTMLTrackElement)
 generate_cacheable_wrapper!(HTMLUListElement, HTMLUListElementBinding::Wrap)
 generate_binding_object!(HTMLUListElement)
+generate_cacheable_wrapper!(HTMLVideoElement, HTMLVideoElementBinding::Wrap)
+generate_binding_object!(HTMLVideoElement)
 generate_cacheable_wrapper!(HTMLUnknownElement, HTMLUnknownElementBinding::Wrap)
 generate_binding_object!(HTMLUnknownElement)

src/components/script/dom/bindings/node.rs

@@ -26,6 +26,7 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> *JSObject
         ElementNodeTypeId(HTMLAnchorElementTypeId) => generate_element!(HTMLAnchorElement),
         ElementNodeTypeId(HTMLAppletElementTypeId) => generate_element!(HTMLAppletElement),
         ElementNodeTypeId(HTMLAreaElementTypeId) => generate_element!(HTMLAreaElement),
+        ElementNodeTypeId(HTMLAudioElementTypeId) => generate_element!(HTMLAudioElement),
         ElementNodeTypeId(HTMLBaseElementTypeId) => generate_element!(HTMLBaseElement),
         ElementNodeTypeId(HTMLBodyElementTypeId) => generate_element!(HTMLBodyElement),
         ElementNodeTypeId(HTMLBRElementTypeId) => generate_element!(HTMLBRElement),
@@ -49,9 +50,12 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> *JSObject
         ElementNodeTypeId(HTMLIframeElementTypeId) => generate_element!(HTMLIFrameElement),
         ElementNodeTypeId(HTMLImageElementTypeId) => generate_element!(HTMLImageElement),
         ElementNodeTypeId(HTMLInputElementTypeId) => generate_element!(HTMLInputElement),
+        ElementNodeTypeId(HTMLLabelElementTypeId) => generate_element!(HTMLLabelElement),
+        ElementNodeTypeId(HTMLLegendElementTypeId) => generate_element!(HTMLLegendElement),
         ElementNodeTypeId(HTMLLIElementTypeId) => generate_element!(HTMLLIElement),
         ElementNodeTypeId(HTMLLinkElementTypeId) => generate_element!(HTMLLinkElement),
         ElementNodeTypeId(HTMLMapElementTypeId) => generate_element!(HTMLMapElement),
+        ElementNodeTypeId(HTMLMediaElementTypeId) => generate_element!(HTMLMediaElement),
         ElementNodeTypeId(HTMLMetaElementTypeId) => generate_element!(HTMLMetaElement),
         ElementNodeTypeId(HTMLMeterElementTypeId) => generate_element!(HTMLMeterElement),
         ElementNodeTypeId(HTMLModElementTypeId) => generate_element!(HTMLModElement),
@@ -62,6 +66,7 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> *JSObject
         ElementNodeTypeId(HTMLOutputElementTypeId) => generate_element!(HTMLOutputElement),
         ElementNodeTypeId(HTMLParagraphElementTypeId) => generate_element!(HTMLParagraphElement),
         ElementNodeTypeId(HTMLParamElementTypeId) => generate_element!(HTMLParamElement),
+        ElementNodeTypeId(HTMLPreElementTypeId) => generate_element!(HTMLPreElement),
         ElementNodeTypeId(HTMLProgressElementTypeId) => generate_element!(HTMLProgressElement),
         ElementNodeTypeId(HTMLQuoteElementTypeId) => generate_element!(HTMLQuoteElement),
         ElementNodeTypeId(HTMLScriptElementTypeId) => generate_element!(HTMLScriptElement),
@@ -75,10 +80,13 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode<ScriptView>) -> *JSObject
         ElementNodeTypeId(HTMLTableColElementTypeId) => generate_element!(HTMLTableColElement),
         ElementNodeTypeId(HTMLTableRowElementTypeId) => generate_element!(HTMLTableRowElement),
         ElementNodeTypeId(HTMLTableSectionElementTypeId) => generate_element!(HTMLTableSectionElement),
+        ElementNodeTypeId(HTMLTemplateElementTypeId) => generate_element!(HTMLTemplateElement),
         ElementNodeTypeId(HTMLTextAreaElementTypeId) => generate_element!(HTMLTextAreaElement),
         ElementNodeTypeId(HTMLTimeElementTypeId) => generate_element!(HTMLTimeElement),
         ElementNodeTypeId(HTMLTitleElementTypeId) => generate_element!(HTMLTitleElement),
+        ElementNodeTypeId(HTMLTrackElementTypeId) => generate_element!(HTMLTrackElement),
         ElementNodeTypeId(HTMLUListElementTypeId) => generate_element!(HTMLUListElement),
+        ElementNodeTypeId(HTMLVideoElementTypeId) => generate_element!(HTMLVideoElement),
         ElementNodeTypeId(HTMLUnknownElementTypeId) => generate_element!(HTMLUnknownElement),
         CommentNodeTypeId => generate_element!(Comment),
         DoctypeNodeTypeId => generate_element!(DocumentType<ScriptView>),

src/components/script/dom/element.rs

@@ -51,6 +51,7 @@ pub enum ElementTypeId {
     HTMLAnchorElementTypeId,
     HTMLAppletElementTypeId,
     HTMLAreaElementTypeId,
+    HTMLAudioElementTypeId,
     HTMLBaseElementTypeId,
     HTMLBRElementTypeId,
     HTMLBodyElementTypeId,
@@ -74,9 +75,12 @@ pub enum ElementTypeId {
     HTMLIframeElementTypeId,
     HTMLImageElementTypeId,
     HTMLInputElementTypeId,
+    HTMLLabelElementTypeId,
+    HTMLLegendElementTypeId,
     HTMLLinkElementTypeId,
     HTMLLIElementTypeId,
     HTMLMapElementTypeId,
+    HTMLMediaElementTypeId,
     HTMLMetaElementTypeId,
     HTMLMeterElementTypeId,
     HTMLModElementTypeId,
@@ -87,6 +91,7 @@ pub enum ElementTypeId {
     HTMLOutputElementTypeId,
     HTMLParagraphElementTypeId,
     HTMLParamElementTypeId,
+    HTMLPreElementTypeId,
     HTMLProgressElementTypeId,
     HTMLQuoteElementTypeId,
     HTMLScriptElementTypeId,
@@ -100,10 +105,13 @@ pub enum ElementTypeId {
     HTMLTableColElementTypeId,
     HTMLTableRowElementTypeId,
     HTMLTableSectionElementTypeId,
+    HTMLTemplateElementTypeId,
     HTMLTextAreaElementTypeId,
     HTMLTimeElementTypeId,
     HTMLTitleElementTypeId,
+    HTMLTrackElementTypeId,
     HTMLUListElementTypeId,
+    HTMLVideoElementTypeId,
     HTMLUnknownElementTypeId,
 }
 

src/components/script/dom/htmlaudioelement.rs

@@ -0,0 +1,12 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::htmlmediaelement::HTMLMediaElement;
+
+pub struct HTMLAudioElement {
+    parent: HTMLMediaElement
+}
+
+impl HTMLAudioElement {
+}

src/components/script/dom/htmllabelelement.rs

@@ -0,0 +1,19 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{DOMString, null_string};
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLLabelElement {
+    parent: HTMLElement,
+}
+
+impl HTMLLabelElement {
+    pub fn HtmlFor(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetHtmlFor(&mut self, _html_for: &DOMString) {
+    }
+}

src/components/script/dom/htmllegendelement.rs

@@ -0,0 +1,19 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{DOMString, null_string, ErrorResult};
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLLegendElement {
+    parent: HTMLElement,
+}
+
+impl HTMLLegendElement {
+    pub fn Align(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetAlign(&mut self, _align: &DOMString, _rv: &mut ErrorResult) {
+    }
+}

src/components/script/dom/htmlmediaelement.rs

@@ -0,0 +1,142 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{DOMString, null_string, ErrorResult};
+use dom::element::ElementTypeId;
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLMediaElement {
+    parent: HTMLElement,
+}
+
+impl HTMLMediaElement {
+    pub fn new(type_id: ElementTypeId, tag_name: ~str) -> HTMLMediaElement {
+        HTMLMediaElement {
+            parent: HTMLElement::new(type_id, tag_name)
+        }
+    }
+}
+
+impl HTMLMediaElement {
+    pub fn Src(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetSrc(&mut self, _src: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn CurrentSrc(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn CrossOrigin(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetCrossOrigin(&mut self, _cross_origin: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Preload(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetPreload(&mut self, _preload: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Load(&self) {
+    }
+
+    pub fn CanPlayType(&self, _type: &DOMString) -> DOMString {
+        null_string
+    }
+
+    pub fn ReadyState(&self) -> u16 {
+        0
+    }
+
+    pub fn Seeking(&self) -> bool {
+        false
+    }
+
+    pub fn CurrentTime(&self) -> f64 {
+        0f64
+    }
+
+    pub fn SetCurrentTime(&mut self, _current_time: f64, _rv: &mut ErrorResult) {
+    }
+
+    pub fn GetDuration(&self) -> f64 {
+        0f64
+    }
+
+    pub fn Paused(&self) -> bool {
+        false
+    }
+
+    pub fn DefaultPlaybackRate(&self) -> f64 {
+        0f64
+    }
+
+    pub fn SetDefaultPlaybackRate(&mut self, _default_playback_rate: f64, _rv: &mut ErrorResult) {
+    }
+
+    pub fn PlaybackRate(&self) -> f64 {
+        0f64
+    }
+
+    pub fn SetPlaybackRate(&mut self, _playback_rate: f64, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Ended(&self) -> bool {
+        false
+    }
+
+    pub fn Autoplay(&self) -> bool {
+        false
+    }
+
+    pub fn SetAutoplay(&mut self, _autoplay: bool, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Loop(&self) -> bool {
+        false
+    }
+
+    pub fn SetLoop(&mut self, _loop: bool, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Play(&self, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Pause(&self, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Controls(&self) -> bool {
+        false
+    }
+
+    pub fn SetControls(&mut self, _controls: bool, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Volume(&self) -> f64 {
+        0f64
+    }
+
+    pub fn SetVolume(&mut self, _volume: f64, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Muted(&self) -> bool {
+        false
+    }
+
+    pub fn SetMuted(&mut self, _muted: bool) {
+    }
+
+    pub fn DefaultMuted(&self) -> bool {
+        false
+    }
+
+    pub fn SetDefaultMuted(&mut self, _default_muted: bool, _rv: &mut ErrorResult) {
+    }
+}

src/components/script/dom/htmlpreelement.rs

@@ -0,0 +1,19 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{ErrorResult};
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLPreElement {
+    parent: HTMLElement,
+}
+
+impl HTMLPreElement {
+    pub fn Width(&self) -> i32 {
+        0
+    }
+
+    pub fn SetWidth(&mut self, _width: i32, _rv: &mut ErrorResult) {
+    }
+}

src/components/script/dom/htmltemplateelement.rs

@@ -0,0 +1,12 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLTemplateElement {
+    parent: HTMLElement,
+}
+
+impl HTMLTemplateElement {
+}

src/components/script/dom/htmltrackelement.rs

@@ -0,0 +1,51 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{DOMString, null_string, ErrorResult};
+use dom::htmlelement::HTMLElement;
+
+pub struct HTMLTrackElement {
+    parent: HTMLElement,
+}
+
+impl HTMLTrackElement {
+    pub fn Kind(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetKind(&mut self, _kind: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Src(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetSrc(&mut self, _src: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Srclang(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetSrclang(&mut self, _srclang: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Label(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetLabel(&mut self, _label: &DOMString, _rv: &mut ErrorResult) {
+    }
+
+    pub fn Default(&self) -> bool {
+        false
+    }
+
+    pub fn SetDefault(&mut self, _default: bool, _rv: &mut ErrorResult) {
+    }
+
+    pub fn ReadyState(&self) -> u16 {
+        0
+    }
+}

src/components/script/dom/htmlvideoelement.rs

@@ -0,0 +1,41 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::{DOMString, null_string, ErrorResult};
+use dom::htmlmediaelement::HTMLMediaElement;
+
+pub struct HTMLVideoElement {
+    parent: HTMLMediaElement
+}
+
+impl HTMLVideoElement {
+    pub fn Width(&self) -> u32 {
+        0
+    }
+
+    pub fn SetWidth(&mut self, _width: u32, _rv: &ErrorResult) {
+    }
+
+    pub fn Height(&self) -> u32 {
+        0
+    }
+
+    pub fn SetHeight(&mut self, _height: u32, _rv: &ErrorResult) {
+    }
+
+    pub fn VideoWidth(&self) -> u32 {
+        0
+    }
+
+    pub fn VideoHeight(&self) -> u32 {
+        0
+    }
+
+    pub fn Poster(&self) -> DOMString {
+        null_string
+    }
+
+    pub fn SetPoster(&mut self, _poster: &DOMString, _rv: &ErrorResult) {
+    }
+}

src/components/script/html/hubbub_html_parser.rs

@@ -58,6 +58,19 @@ macro_rules! handle_htmlelement(
         }
     )
 )
+macro_rules! handle_htmlmediaelement(
+    ($cx: expr, $tag:expr, $string:expr, $type_id:expr, $ctor:ident) => (
+        if eq_slice($tag, $string) {
+            let _element = @$ctor {
+                parent: HTMLMediaElement::new($type_id, ($tag).to_str())
+            };
+            unsafe {
+                return Node::as_abstract_node(cx, _element);
+            }
+        }
+    )
+)
+
 
 pub struct JSFile {
     data: ~[u8],
@@ -217,6 +230,8 @@ fn build_element_from_tag(cx: *JSContext, tag: &str) -> AbstractNode<ScriptView>
     handle_element!(cx, tag, "head",    HTMLHeadElementTypeId, HTMLHeadElement, []);
     handle_element!(cx, tag, "html",    HTMLHtmlElementTypeId, HTMLHtmlElement, []);
     handle_element!(cx, tag, "input",   HTMLInputElementTypeId, HTMLInputElement, []);
+    handle_element!(cx, tag, "label",   HTMLLabelElementTypeId, HTMLLabelElement, []);
+    handle_element!(cx, tag, "legend",  HTMLLegendElementTypeId, HTMLLegendElement, []);
     handle_element!(cx, tag, "link",    HTMLLinkElementTypeId, HTMLLinkElement, []);
     handle_element!(cx, tag, "li",      HTMLLIElementTypeId, HTMLLIElement, []);
     handle_element!(cx, tag, "map",     HTMLMapElementTypeId, HTMLMapElement, []);
@@ -230,6 +245,7 @@ fn build_element_from_tag(cx: *JSContext, tag: &str) -> AbstractNode<ScriptView>
     handle_element!(cx, tag, "output",  HTMLOutputElementTypeId, HTMLOutputElement, []);
     handle_element!(cx, tag, "p",       HTMLParagraphElementTypeId, HTMLParagraphElement, []);
     handle_element!(cx, tag, "param",   HTMLParamElementTypeId, HTMLParamElement, []);
+    handle_element!(cx, tag, "pre",     HTMLPreElementTypeId, HTMLPreElement, []);
     handle_element!(cx, tag, "progress",HTMLProgressElementTypeId, HTMLProgressElement, []);
     handle_element!(cx, tag, "q",       HTMLQuoteElementTypeId, HTMLQuoteElement, []);
     handle_element!(cx, tag, "script",  HTMLScriptElementTypeId, HTMLScriptElement, []);
@@ -243,10 +259,12 @@ fn build_element_from_tag(cx: *JSContext, tag: &str) -> AbstractNode<ScriptView>
     handle_element!(cx, tag, "col",     HTMLTableColElementTypeId, HTMLTableColElement, []);
     handle_element!(cx, tag, "colgroup",HTMLTableColElementTypeId, HTMLTableColElement, []);
     handle_element!(cx, tag, "tbody",   HTMLTableSectionElementTypeId, HTMLTableSectionElement, []);
+    handle_element!(cx, tag, "template",HTMLTemplateElementTypeId, HTMLTemplateElement, []);
     handle_element!(cx, tag, "textarea",HTMLTextAreaElementTypeId, HTMLTextAreaElement, []);
     handle_element!(cx, tag, "time",    HTMLTimeElementTypeId, HTMLTimeElement, []);
     handle_element!(cx, tag, "title",   HTMLTitleElementTypeId, HTMLTitleElement, []);
     handle_element!(cx, tag, "tr",      HTMLTableRowElementTypeId, HTMLTableRowElement, []);
+    handle_element!(cx, tag, "track",   HTMLTrackElementTypeId, HTMLTrackElement, []);
     handle_element!(cx, tag, "ul",      HTMLUListElementTypeId, HTMLUListElement, []);
 
     handle_element!(cx, tag, "img", HTMLImageElementTypeId, HTMLImageElement, [(image: None)]);
@@ -266,6 +284,9 @@ fn build_element_from_tag(cx: *JSContext, tag: &str) -> AbstractNode<ScriptView>
     handle_htmlelement!(cx, tag, "section", HTMLElementTypeId, HTMLElement);
     handle_htmlelement!(cx, tag, "small",   HTMLElementTypeId, HTMLElement);
 
+    handle_htmlmediaelement!(cx, tag, "audio", HTMLAudioElementTypeId, HTMLAudioElement);
+    handle_htmlmediaelement!(cx, tag, "video", HTMLVideoElementTypeId, HTMLVideoElement);
+
     unsafe {
         let element = @HTMLUnknownElement {
             parent: HTMLElement::new(HTMLUnknownElementTypeId, tag.to_str())

src/components/script/script.rc

@@ -58,6 +58,7 @@ pub mod dom {
     pub mod htmlanchorelement;
     pub mod htmlappletelement;
     pub mod htmlareaelement;
+    pub mod htmlaudioelement;
     pub mod htmlbaseelement;
     pub mod htmlbodyelement;
     pub mod htmlbrelement;
@@ -84,9 +85,12 @@ pub mod dom {
     pub mod htmliframeelement;
     pub mod htmlimageelement;
     pub mod htmlinputelement;
+    pub mod htmllabelelement;
+    pub mod htmllegendelement;
     pub mod htmllielement;
     pub mod htmllinkelement;
     pub mod htmlmapelement;
+    pub mod htmlmediaelement;
     pub mod htmlmetaelement;
     pub mod htmlmeterelement;
     pub mod htmlmodelement;
@@ -97,6 +101,7 @@ pub mod dom {
     pub mod htmloutputelement;
     pub mod htmlparagraphelement;
     pub mod htmlparamelement;
+    pub mod htmlpreelement;
     pub mod htmlprogresselement;
     pub mod htmlquoteelement;
     pub mod htmlscriptelement;
@@ -110,10 +115,13 @@ pub mod dom {
     pub mod htmltablecolelement;
     pub mod htmltablerowelement;
     pub mod htmltablesectionelement;
+    pub mod htmltemplateelement;
     pub mod htmltextareaelement;
     pub mod htmltimeelement;
     pub mod htmltitleelement;
+    pub mod htmltrackelement;
     pub mod htmlulistelement;
+    pub mod htmlvideoelement;
     pub mod htmlunknownelement;
     pub mod mouseevent;
     pub mod node;

src/test/html/test_bindings.html

@@ -15,7 +15,12 @@
     <a href="http://www.mozilla.org"></a>
     <img src="test.jpg"/>
     <embed></embed>
-    <form></form>
+    <form>
+      <fieldset>
+        <legend>legend</legend>
+        <label for="">label<input type="text" value="input" /></label>
+      </fieldset>
+    </form>
     <hr />
     <canvas/>
     <p>pppppppppp</p>
@@ -50,5 +55,10 @@
     </audio>
     <area></area>
     <data></data>
+    <template></template>
+    <pre>pre</pre>
+    <video src="">
+      <track></track>
+    </video>
   </body>
 </html>

src/test/html/test_bindings.js

@@ -241,6 +241,57 @@ window.alert(tags.length);
 window.alert(tags[0].tagName);
 window.alert(tags[0] instanceof HTMLProgressElement);
 
+window.alert("HTMLTemplateElement:");
+let tags = document.getElementsByTagName("template");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLTemplateElement);
+
+window.alert("HTMLPreElement:");
+let tags = document.getElementsByTagName("pre");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLPreElement);
+
+window.alert("HTMLLegendElement:");
+let tags = document.getElementsByTagName("legend");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLLegendElement);
+
+window.alert("HTMLLabelElement:");
+let tags = document.getElementsByTagName("label");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLLabelElement);
+
+window.alert("HTMLTrackElement:");
+let tags = document.getElementsByTagName("track");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLTrackElement);
+
+window.alert("HTMLAudioElement:");
+let tags = document.getElementsByTagName("audio");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLMediaElement);
+window.alert(tags[0] instanceof HTMLAudioElement);
+
+window.alert("HTMLVideoElement:");
+let tags = document.getElementsByTagName("video");
+window.alert(tags);
+window.alert(tags.length);
+window.alert(tags[0].tagName);
+window.alert(tags[0] instanceof HTMLMediaElement);
+window.alert(tags[0] instanceof HTMLVideoElement);
+
 //TODO: Doesn't work until we throw proper exceptions instead of returning 0 on
 //      unwrap failure.
 /*try {