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/* -*- 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 "nsIScriptElement.h"
#include "js/loader/ScriptKind.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/ReferrerPolicyBinding.h"
#include "nsIParser.h"
#include "nsIWeakReference.h"
using JS::loader::ScriptKind;
bool nsIScriptElement::IsClassicNonAsyncDefer() {
return mKind == ScriptKind::eClassic && !mAsync && !mDefer;
}
void nsIScriptElement::SetCreatorParser(nsIParser* aParser) {
mCreatorParser = do_GetWeakReference(aParser);
}
void nsIScriptElement::UnblockParser() {
if (!IsClassicNonAsyncDefer()) {
MOZ_ASSERT_UNREACHABLE(
"Tried to unblock parser for a script type that cannot block "
"the parser.");
return;
}
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
if (parser) {
parser->UnblockParser();
}
}
void nsIScriptElement::ContinueParserAsync() {
if (!IsClassicNonAsyncDefer()) {
MOZ_ASSERT_UNREACHABLE(
"Tried to continue after a script type that cannot block the parser.");
return;
}
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
if (parser) {
parser->ContinueInterruptedParsingAsync();
}
}
void nsIScriptElement::BeginEvaluating() {
if (!IsClassicNonAsyncDefer()) {
return;
}
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
if (parser) {
parser->IncrementScriptNestingLevel();
}
}
void nsIScriptElement::EndEvaluating() {
if (!IsClassicNonAsyncDefer()) {
return;
}
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
if (parser) {
parser->DecrementScriptNestingLevel();
}
}
already_AddRefed<nsIParser> nsIScriptElement::GetCreatorParser() {
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
return parser.forget();
}
mozilla::dom::ReferrerPolicy nsIScriptElement::GetReferrerPolicy() {
return mozilla::dom::ReferrerPolicy::_empty;
}
void nsIScriptElement::DetermineKindFromType(
const mozilla::dom::Document* aOwnerDoc) {
MOZ_ASSERT((mKind != ScriptKind::eModule) &&
(mKind != ScriptKind::eImportMap) && !mAsync && !mDefer &&
!mExternal);
nsAutoString type;
GetScriptType(type);
if (!type.IsEmpty()) {
if (type.LowerCaseEqualsASCII("module")) {
mKind = ScriptKind::eModule;
}
// https://html.spec.whatwg.org/multipage/scripting.html#prepare-the-script-element
// Step 11. Otherwise, if the script block's type string is an ASCII
// case-insensitive match for the string "importmap", then set el's type to
// "importmap".
if (type.LowerCaseEqualsASCII("importmap")) {
mKind = ScriptKind::eImportMap;
}
}
}
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