gecko-dev/dom/html/HTMLScriptElement.cpp

301 строка
7.3 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 "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsIDocument.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsContentUtils.h"
#include "nsUnicharUtils.h" // for nsCaseInsensitiveStringComparator()
#include "nsIScriptContext.h"
#include "nsIScriptGlobalObject.h"
#include "nsIXPConnect.h"
#include "nsServiceManagerUtils.h"
#include "nsError.h"
#include "nsIArray.h"
#include "nsTArray.h"
#include "nsDOMJSUtils.h"
#include "nsISupportsImpl.h"
#include "mozilla/dom/HTMLScriptElement.h"
#include "mozilla/dom/HTMLScriptElementBinding.h"
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Script)
namespace mozilla {
namespace dom {
JSObject*
HTMLScriptElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLScriptElementBinding::Wrap(aCx, this, aGivenProto);
}
HTMLScriptElement::HTMLScriptElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
FromParser aFromParser)
: nsGenericHTMLElement(aNodeInfo)
, nsScriptElement(aFromParser)
{
AddMutationObserver(this);
}
HTMLScriptElement::~HTMLScriptElement()
{
}
NS_IMPL_ISUPPORTS_INHERITED(HTMLScriptElement, nsGenericHTMLElement,
nsIDOMHTMLScriptElement,
nsIScriptLoaderObserver,
nsIScriptElement,
nsIMutationObserver)
nsresult
HTMLScriptElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers)
{
nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
if (GetCrossShadowCurrentDoc()) {
MaybeProcessScript();
}
return NS_OK;
}
bool
HTMLScriptElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aNamespaceID == kNameSpaceID_None &&
aAttribute == nsGkAtoms::crossorigin) {
ParseCORSValue(aValue, aResult);
return true;
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
nsresult
HTMLScriptElement::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const
{
*aResult = nullptr;
already_AddRefed<mozilla::dom::NodeInfo> ni = nsRefPtr<mozilla::dom::NodeInfo>(aNodeInfo).forget();
HTMLScriptElement* it = new HTMLScriptElement(ni, NOT_FROM_PARSER);
nsCOMPtr<nsINode> kungFuDeathGrip = it;
nsresult rv = const_cast<HTMLScriptElement*>(this)->CopyInnerTo(it);
NS_ENSURE_SUCCESS(rv, rv);
// The clone should be marked evaluated if we are.
it->mAlreadyStarted = mAlreadyStarted;
it->mLineNumber = mLineNumber;
it->mMalformed = mMalformed;
kungFuDeathGrip.swap(*aResult);
return NS_OK;
}
NS_IMETHODIMP
HTMLScriptElement::GetText(nsAString& aValue)
{
if (!nsContentUtils::GetNodeTextContent(this, false, aValue, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
HTMLScriptElement::SetText(const nsAString& aValue)
{
ErrorResult rv;
SetText(aValue, rv);
return rv.StealNSResult();
}
void
HTMLScriptElement::SetText(const nsAString& aValue, ErrorResult& rv)
{
rv = nsContentUtils::SetNodeTextContent(this, aValue, true);
}
NS_IMPL_STRING_ATTR(HTMLScriptElement, Charset, charset)
NS_IMPL_BOOL_ATTR(HTMLScriptElement, Defer, defer)
NS_IMPL_URI_ATTR(HTMLScriptElement, Src, src)
NS_IMPL_STRING_ATTR(HTMLScriptElement, Type, type)
NS_IMPL_STRING_ATTR(HTMLScriptElement, HtmlFor, _for)
NS_IMPL_STRING_ATTR(HTMLScriptElement, Event, event)
void
HTMLScriptElement::SetCharset(const nsAString& aCharset, ErrorResult& rv)
{
SetHTMLAttr(nsGkAtoms::charset, aCharset, rv);
}
void
HTMLScriptElement::SetDefer(bool aDefer, ErrorResult& rv)
{
SetHTMLBoolAttr(nsGkAtoms::defer, aDefer, rv);
}
bool
HTMLScriptElement::Defer()
{
return GetBoolAttr(nsGkAtoms::defer);
}
void
HTMLScriptElement::SetSrc(const nsAString& aSrc, ErrorResult& rv)
{
rv = SetAttrHelper(nsGkAtoms::src, aSrc);
}
void
HTMLScriptElement::SetType(const nsAString& aType, ErrorResult& rv)
{
SetHTMLAttr(nsGkAtoms::type, aType, rv);
}
void
HTMLScriptElement::SetHtmlFor(const nsAString& aHtmlFor, ErrorResult& rv)
{
SetHTMLAttr(nsGkAtoms::_for, aHtmlFor, rv);
}
void
HTMLScriptElement::SetEvent(const nsAString& aEvent, ErrorResult& rv)
{
SetHTMLAttr(nsGkAtoms::event, aEvent, rv);
}
nsresult
HTMLScriptElement::GetAsync(bool* aValue)
{
*aValue = Async();
return NS_OK;
}
bool
HTMLScriptElement::Async()
{
return mForceAsync || GetBoolAttr(nsGkAtoms::async);
}
nsresult
HTMLScriptElement::SetAsync(bool aValue)
{
ErrorResult rv;
SetAsync(aValue, rv);
return rv.StealNSResult();
}
void
HTMLScriptElement::SetAsync(bool aValue, ErrorResult& rv)
{
mForceAsync = false;
SetHTMLBoolAttr(nsGkAtoms::async, aValue, rv);
}
nsresult
HTMLScriptElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify)
{
if (nsGkAtoms::async == aName && kNameSpaceID_None == aNamespaceID) {
mForceAsync = false;
}
return nsGenericHTMLElement::AfterSetAttr(aNamespaceID, aName, aValue,
aNotify);
}
NS_IMETHODIMP
HTMLScriptElement::GetInnerHTML(nsAString& aInnerHTML)
{
if (!nsContentUtils::GetNodeTextContent(this, false, aInnerHTML, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
void
HTMLScriptElement::SetInnerHTML(const nsAString& aInnerHTML,
ErrorResult& aError)
{
aError = nsContentUtils::SetNodeTextContent(this, aInnerHTML, true);
}
// variation of this code in nsSVGScriptElement - check if changes
// need to be transfered when modifying
void
HTMLScriptElement::GetScriptType(nsAString& type)
{
GetType(type);
}
void
HTMLScriptElement::GetScriptText(nsAString& text)
{
GetText(text);
}
void
HTMLScriptElement::GetScriptCharset(nsAString& charset)
{
GetCharset(charset);
}
void
HTMLScriptElement::FreezeUriAsyncDefer()
{
if (mFrozen) {
return;
}
// variation of this code in nsSVGScriptElement - check if changes
// need to be transfered when modifying
if (HasAttr(kNameSpaceID_None, nsGkAtoms::src)) {
nsAutoString src;
GetSrc(src);
NS_NewURI(getter_AddRefs(mUri), src);
// At this point mUri will be null for invalid URLs.
mExternal = true;
bool defer, async;
GetAsync(&async);
GetDefer(&defer);
mDefer = !async && defer;
mAsync = async;
}
mFrozen = true;
}
CORSMode
HTMLScriptElement::GetCORSMode() const
{
return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin));
}
bool
HTMLScriptElement::HasScriptContent()
{
return (mFrozen ? mExternal : HasAttr(kNameSpaceID_None, nsGkAtoms::src)) ||
nsContentUtils::HasNonEmptyTextContent(this);
}
} // namespace dom
} // namespace mozilla