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Side by Side Diff: Source/core/html/parser/HTMLScriptRunner.h

Issue 15856002: First step of HTMLImports (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Fixed Mac build Created 7 years, 6 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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49 return adoptPtr(new HTMLScriptRunner(document, host)); 49 return adoptPtr(new HTMLScriptRunner(document, host));
50 } 50 }
51 ~HTMLScriptRunner(); 51 ~HTMLScriptRunner();
52 52
53 void detach(); 53 void detach();
54 54
55 // Processes the passed in script and any pending scripts if possible. 55 // Processes the passed in script and any pending scripts if possible.
56 void execute(PassRefPtr<Element> scriptToProcess, const TextPosition& script StartPosition); 56 void execute(PassRefPtr<Element> scriptToProcess, const TextPosition& script StartPosition);
57 57
58 void executeScriptsWaitingForLoad(CachedResource*); 58 void executeScriptsWaitingForLoad(CachedResource*);
59 bool hasScriptsWaitingForStylesheets() const { return m_hasScriptsWaitingFor Stylesheets; } 59 bool hasScriptsWaitingForResources() const { return m_hasScriptsWaitingForRe sources; }
60 void executeScriptsWaitingForStylesheets(); 60 void executeScriptsWaitingForResources();
61 bool executeScriptsWaitingForParsing(); 61 bool executeScriptsWaitingForParsing();
62 62
63 bool hasParserBlockingScript() const; 63 bool hasParserBlockingScript() const;
64 bool isExecutingScript() const { return !!m_scriptNestingLevel; } 64 bool isExecutingScript() const { return !!m_scriptNestingLevel; }
65 65
66 private: 66 private:
67 HTMLScriptRunner(Document*, HTMLScriptRunnerHost*); 67 HTMLScriptRunner(Document*, HTMLScriptRunnerHost*);
68 68
69 Frame* frame() const; 69 Frame* frame() const;
70 70
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86 86
87 Document* m_document; 87 Document* m_document;
88 HTMLScriptRunnerHost* m_host; 88 HTMLScriptRunnerHost* m_host;
89 PendingScript m_parserBlockingScript; 89 PendingScript m_parserBlockingScript;
90 Deque<PendingScript> m_scriptsToExecuteAfterParsing; // http://www.whatwg.or g/specs/web-apps/current-work/#list-of-scripts-that-will-execute-when-the-docume nt-has-finished-parsing 90 Deque<PendingScript> m_scriptsToExecuteAfterParsing; // http://www.whatwg.or g/specs/web-apps/current-work/#list-of-scripts-that-will-execute-when-the-docume nt-has-finished-parsing
91 unsigned m_scriptNestingLevel; 91 unsigned m_scriptNestingLevel;
92 92
93 // We only want stylesheet loads to trigger script execution if script 93 // We only want stylesheet loads to trigger script execution if script
94 // execution is currently stopped due to stylesheet loads, otherwise we'd 94 // execution is currently stopped due to stylesheet loads, otherwise we'd
95 // cause nested script execution when parsing <style> tags since </style> 95 // cause nested script execution when parsing <style> tags since </style>
96 // tags can cause Document to call executeScriptsWaitingForStylesheets. 96 // tags can cause Document to call executeScriptsWaitingForResources.
97 bool m_hasScriptsWaitingForStylesheets; 97 bool m_hasScriptsWaitingForResources;
98 }; 98 };
99 99
100 } 100 }
101 101
102 #endif 102 #endif
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