gecko-dev/dom/html/HTMLAudioElement.cpp

109 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/HTMLAudioElement.h"
#include "mozilla/dom/HTMLAudioElementBinding.h"
#include "nsError.h"
#include "nsGenericHTMLElement.h"
#include "nsGkAtoms.h"
#include "mozilla/dom/Document.h"
#include "jsfriendapi.h"
#include "nsContentUtils.h"
#include "nsJSUtils.h"
#include "AudioSampleFormat.h"
#include <algorithm>
#include "nsComponentManagerUtils.h"
#include "nsIHttpChannel.h"
#include "mozilla/dom/TimeRanges.h"
#include "AudioStream.h"
nsGenericHTMLElement* NS_NewHTMLAudioElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser) {
mozilla::dom::HTMLAudioElement* element =
new mozilla::dom::HTMLAudioElement(std::move(aNodeInfo));
element->Init();
return element;
}
namespace mozilla {
namespace dom {
nsresult HTMLAudioElement::Clone(mozilla::dom::NodeInfo* aNodeInfo,
nsINode** aResult) const {
*aResult = nullptr;
RefPtr<mozilla::dom::NodeInfo> ni(aNodeInfo);
HTMLAudioElement* it = new HTMLAudioElement(ni.forget());
it->Init();
nsCOMPtr<nsINode> kungFuDeathGrip = it;
nsresult rv = const_cast<HTMLAudioElement*>(this)->CopyInnerTo(it);
if (NS_SUCCEEDED(rv)) {
kungFuDeathGrip.swap(*aResult);
}
return rv;
}
HTMLAudioElement::HTMLAudioElement(already_AddRefed<NodeInfo>&& aNodeInfo)
: HTMLMediaElement(std::move(aNodeInfo)) {
DecoderDoctorLogger::LogConstruction(this);
}
HTMLAudioElement::~HTMLAudioElement() {
DecoderDoctorLogger::LogDestruction(this);
}
bool HTMLAudioElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const {
return HasAttr(kNameSpaceID_None, nsGkAtoms::controls) ||
HTMLMediaElement::IsInteractiveHTMLContent(aIgnoreTabindex);
}
already_AddRefed<HTMLAudioElement> HTMLAudioElement::Audio(
const GlobalObject& aGlobal, const Optional<nsAString>& aSrc,
ErrorResult& aRv) {
nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal.GetAsSupports());
Document* doc;
if (!win || !(doc = win->GetExtantDoc())) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<mozilla::dom::NodeInfo> nodeInfo = doc->NodeInfoManager()->GetNodeInfo(
nsGkAtoms::audio, nullptr, kNameSpaceID_XHTML, ELEMENT_NODE);
RefPtr<HTMLAudioElement> audio =
static_cast<HTMLAudioElement*>(NS_NewHTMLAudioElement(nodeInfo.forget()));
audio->SetHTMLAttr(nsGkAtoms::preload, NS_LITERAL_STRING("auto"), aRv);
if (aRv.Failed()) {
return nullptr;
}
if (aSrc.WasPassed()) {
audio->SetSrc(aSrc.Value(), aRv);
}
return audio.forget();
}
nsresult HTMLAudioElement::SetAcceptHeader(nsIHttpChannel* aChannel) {
nsAutoCString value(
"audio/webm,"
"audio/ogg,"
"audio/wav,"
"audio/*;q=0.9,"
"application/ogg;q=0.7,"
"video/*;q=0.6,*/*;q=0.5");
return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"), value, false);
}
JSObject* HTMLAudioElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLAudioElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla