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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_XML_PARSER_SCRIPT_RUNNER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_XML_PARSER_SCRIPT_RUNNER_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/script/pending_script.h"
#include "third_party/blink/renderer/platform/wtf/text/text_position.h"
namespace blink {
class Element;
class XMLParserScriptRunnerHost;
// XMLParserScriptRunner implements the interaction between an XML parser
// (XMLDocumentParser) and <script> elements and their loading/execution.
//
// https://html.spec.whatwg.org/multipage/xhtml.html#parsing-xhtml-documents
class XMLParserScriptRunner final
: public GarbageCollectedFinalized<XMLParserScriptRunner>,
public PendingScriptClient {
USING_GARBAGE_COLLECTED_MIXIN(XMLParserScriptRunner);
public:
static XMLParserScriptRunner* Create(XMLParserScriptRunnerHost* host) {
return new XMLParserScriptRunner(host);
}
~XMLParserScriptRunner() override;
bool HasParserBlockingScript() const { return parser_blocking_script_; }
void ProcessScriptElement(Document&, Element*, TextPosition);
void Detach();
void Trace(Visitor*) override;
private:
explicit XMLParserScriptRunner(XMLParserScriptRunnerHost*);
// from PendingScriptClient
void PendingScriptFinished(PendingScript*) override;
// https://html.spec.whatwg.org/multipage/scripting.html#pending-parsing-blocking-script
// TODO(crbug/717643): Support module scripts, and turn this into
// TraceWrapperMember<>.
Member<PendingScript> parser_blocking_script_;
Member<XMLParserScriptRunnerHost> host_;
// TODO(crbug/717643): Implement
// https://html.spec.whatwg.org/multipage/scripting.html#list-of-scripts-that-will-execute-when-the-document-has-finished-parsing
DISALLOW_COPY_AND_ASSIGN(XMLParserScriptRunner);
};
} // namespace blink
#endif
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