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/* -*- Mode: C++; tab-width: 8; 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/. */
#ifndef mozilla_dom_HTMLTrackElement_h
#define mozilla_dom_HTMLTrackElement_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/HTMLMediaElement.h"
#include "mozilla/dom/TextTrack.h"
#include "nsCycleCollectionParticipant.h"
#include "nsGenericHTMLElement.h"
#include "nsGkAtoms.h"
#include "nsIDOMHTMLElement.h"
#include "nsIDOMEventTarget.h"
#include "nsIHttpChannel.h"
class nsIContent;
class nsIDocument;
namespace mozilla {
namespace dom {
class WebVTTListener;
class WindowDestroyObserver;
class HTMLTrackElement final : public nsGenericHTMLElement
{
public:
explicit HTMLTrackElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLTrackElement,
nsGenericHTMLElement)
// HTMLTrackElement WebIDL
void GetKind(DOMString& aKind) const;
void SetKind(const nsAString& aKind, ErrorResult& aError)
{
SetHTMLAttr(nsGkAtoms::kind, aKind, aError);
}
void GetSrc(DOMString& aSrc) const
{
GetHTMLURIAttr(nsGkAtoms::src, aSrc);
}
void SetSrc(const nsAString& aSrc, ErrorResult& aError);
void GetSrclang(DOMString& aSrclang) const
{
GetHTMLAttr(nsGkAtoms::srclang, aSrclang);
}
void GetSrclang(nsAString& aSrclang) const
{
GetHTMLAttr(nsGkAtoms::srclang, aSrclang);
}
void SetSrclang(const nsAString& aSrclang, ErrorResult& aError)
{
SetHTMLAttr(nsGkAtoms::srclang, aSrclang, aError);
}
void GetLabel(DOMString& aLabel) const
{
GetHTMLAttr(nsGkAtoms::label, aLabel);
}
void GetLabel(nsAString& aLabel) const
{
GetHTMLAttr(nsGkAtoms::label, aLabel);
}
void SetLabel(const nsAString& aLabel, ErrorResult& aError)
{
SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
}
bool Default() const
{
return GetBoolAttr(nsGkAtoms::_default);
}
void SetDefault(bool aDefault, ErrorResult& aError)
{
SetHTMLBoolAttr(nsGkAtoms::_default, aDefault, aError);
}
uint16_t ReadyState() const;
void SetReadyState(uint16_t aReadyState);
TextTrack* GetTrack();
virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
// Override ParseAttribute() to convert kind strings to enum values.
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult) override;
// Override BindToTree() so that we can trigger a load when we become
// the child of a media element.
virtual nsresult BindToTree(nsIDocument* aDocument,
nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
void DispatchTrackRunnable(const nsString& aEventName);
void DispatchTrustedEvent(const nsAString& aName);
void DropChannel();
void NotifyShutdown();
protected:
virtual ~HTMLTrackElement();
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
void OnChannelRedirect(nsIChannel* aChannel, nsIChannel* aNewChannel,
uint32_t aFlags);
// Open a new channel to the HTMLTrackElement's src attribute and call
// mListener's LoadResource().
void LoadResource();
friend class TextTrackCue;
friend class WebVTTListener;
RefPtr<TextTrack> mTrack;
nsCOMPtr<nsIChannel> mChannel;
RefPtr<HTMLMediaElement> mMediaParent;
RefPtr<WebVTTListener> mListener;
void CreateTextTrack();
private:
void DispatchLoadResource();
bool mLoadResourceDispatched;
RefPtr<WindowDestroyObserver> mWindowDestroyObserver;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLTrackElement_h
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