1/*
2 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "DecodedDataDocumentParser.h"
29#include "FragmentScriptingPermission.h"
30#include "Timer.h"
31#include <wtf/text/TextPosition.h>
32
33namespace WebCore {
34
35class ScriptableDocumentParser : public DecodedDataDocumentParser {
36public:
37 // Only used by Document::open for deciding if its safe to act on a
38 // JavaScript document.open() call right now, or it should be ignored.
39 virtual bool isExecutingScript() const { return false; }
40
41 virtual bool isWaitingForScripts() const = 0;
42
43 virtual TextPosition textPosition() const = 0;
44
45 virtual bool hasScriptsWaitingForStylesheets() const { return false; }
46
47 void executeScriptsWaitingForStylesheetsSoon();
48
49 // Returns true if the parser didn't yield or pause or synchronously execute a script,
50 // so calls to PageConsoleClient should be associated with the parser's text position.
51 virtual bool shouldAssociateConsoleMessagesWithTextPosition() const = 0;
52
53 void setWasCreatedByScript(bool wasCreatedByScript) { m_wasCreatedByScript = wasCreatedByScript; }
54 bool wasCreatedByScript() const { return m_wasCreatedByScript; }
55
56 ParserContentPolicy parserContentPolicy() { return m_parserContentPolicy; }
57
58protected:
59 explicit ScriptableDocumentParser(Document&, ParserContentPolicy = AllowScriptingContent);
60
61 virtual void executeScriptsWaitingForStylesheets() { }
62
63 void detach() override;
64
65private:
66 ScriptableDocumentParser* asScriptableDocumentParser() final { return this; }
67
68 void scriptsWaitingForStylesheetsExecutionTimerFired();
69
70 // http://www.whatwg.org/specs/web-apps/current-work/#script-created-parser
71 bool m_wasCreatedByScript;
72 ParserContentPolicy m_parserContentPolicy;
73 Timer m_scriptsWaitingForStylesheetsExecutionTimer;
74};
75
76} // namespace WebCore
77