1/*
2 * Copyright (C) 2013 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 GOOGLE 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 GOOGLE 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#include "config.h"
27#include "core/html/parser/HTMLParserOptions.h"
28
29#include "bindings/core/v8/ScriptController.h"
30#include "core/dom/Document.h"
31#include "core/frame/LocalFrame.h"
32#include "core/frame/Settings.h"
33#include "core/loader/FrameLoader.h"
34
35namespace blink {
36
37HTMLParserOptions::HTMLParserOptions(Document* document)
38{
39    LocalFrame* frame = document ? document->frame() : 0;
40    scriptEnabled = frame && frame->script().canExecuteScripts(NotAboutToExecuteScript);
41    pluginsEnabled = frame && frame->loader().allowPlugins(NotAboutToInstantiatePlugin);
42
43    // We force the main-thread parser for three cases:
44    // - about:blank and javascript (which uses about:blank) for compatibility
45    //   with historical synchronous loading/parsing behavior.
46    // - HTML imports (FIXME: enable off-thread parser for this case)
47    // - inspector/DOMPatchSupport replacing the whole document.
48    //   (DOMPatchSupport calls in |DocumentParser::pinToMainThread()| for this case)
49    // FIXME: Gecko does not load javascript: urls synchronously, why do we?
50    // See LayoutTests/loader/iframe-sync-loads.html
51    useThreading = document && !document->importsController() && !document->url().isAboutBlankURL();
52}
53
54}
55