зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
2.8 KiB
C++
107 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLAudioElement.h"
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#include "mozilla/dom/HTMLAudioElementBinding.h"
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#include "nsError.h"
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#include "nsGenericHTMLElement.h"
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#include "nsGkAtoms.h"
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#include "nsIDocument.h"
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#include "jsfriendapi.h"
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#include "nsContentUtils.h"
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#include "nsJSUtils.h"
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#include "AudioSampleFormat.h"
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#include "AudioChannelCommon.h"
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#include <algorithm>
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#include "nsComponentManagerUtils.h"
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#include "nsIHttpChannel.h"
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#include "mozilla/dom/TimeRanges.h"
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#include "AudioStream.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Audio)
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namespace mozilla {
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namespace dom {
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extern bool IsAudioAPIEnabled();
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NS_IMPL_ELEMENT_CLONE(HTMLAudioElement)
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HTMLAudioElement::HTMLAudioElement(already_AddRefed<NodeInfo>& aNodeInfo)
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: HTMLMediaElement(aNodeInfo)
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{
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}
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HTMLAudioElement::~HTMLAudioElement()
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{
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}
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bool
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HTMLAudioElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
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{
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return HasAttr(kNameSpaceID_None, nsGkAtoms::controls) ||
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HTMLMediaElement::IsInteractiveHTMLContent(aIgnoreTabindex);
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}
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already_AddRefed<HTMLAudioElement>
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HTMLAudioElement::Audio(const GlobalObject& aGlobal,
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const Optional<nsAString>& aSrc,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(aGlobal.GetAsSupports());
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nsIDocument* doc;
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if (!win || !(doc = win->GetExtantDoc())) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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already_AddRefed<mozilla::dom::NodeInfo> nodeInfo =
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doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::audio, nullptr,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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nsRefPtr<HTMLAudioElement> audio = new HTMLAudioElement(nodeInfo);
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audio->SetHTMLAttr(nsGkAtoms::preload, NS_LITERAL_STRING("auto"), aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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if (aSrc.WasPassed()) {
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aRv = audio->SetSrc(aSrc.Value());
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}
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return audio.forget();
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}
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nsresult HTMLAudioElement::SetAcceptHeader(nsIHttpChannel* aChannel)
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{
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nsAutoCString value(
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#ifdef MOZ_WEBM
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"audio/webm,"
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#endif
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"audio/ogg,"
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#ifdef MOZ_WAVE
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"audio/wav,"
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#endif
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"audio/*;q=0.9,"
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"application/ogg;q=0.7,"
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"video/*;q=0.6,*/*;q=0.5");
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return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
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value,
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false);
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}
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JSObject*
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HTMLAudioElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLAudioElementBinding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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