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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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef HTMLScriptRunner_h | 26 #ifndef HTMLScriptRunner_h |
27 #define HTMLScriptRunner_h | 27 #define HTMLScriptRunner_h |
28 | 28 |
29 #include "core/dom/PendingScript.h" | 29 #include "core/dom/PendingScript.h" |
| 30 #include "platform/heap/Handle.h" |
30 #include "wtf/Deque.h" | 31 #include "wtf/Deque.h" |
31 #include "wtf/PassRefPtr.h" | 32 #include "wtf/PassRefPtr.h" |
32 #include "wtf/text/TextPosition.h" | 33 #include "wtf/text/TextPosition.h" |
33 | 34 |
34 namespace WebCore { | 35 namespace WebCore { |
35 | 36 |
36 class Resource; | 37 class Resource; |
37 class ScriptResource; | 38 class ScriptResource; |
38 class Document; | 39 class Document; |
39 class Element; | 40 class Element; |
40 class LocalFrame; | 41 class LocalFrame; |
41 class HTMLScriptRunnerHost; | 42 class HTMLScriptRunnerHost; |
42 class ScriptSourceCode; | 43 class ScriptSourceCode; |
43 | 44 |
44 class HTMLScriptRunner { | 45 class HTMLScriptRunner FINAL { |
45 WTF_MAKE_NONCOPYABLE(HTMLScriptRunner); WTF_MAKE_FAST_ALLOCATED; | 46 WTF_MAKE_NONCOPYABLE(HTMLScriptRunner); WTF_MAKE_FAST_ALLOCATED; |
46 public: | 47 public: |
47 static PassOwnPtr<HTMLScriptRunner> create(Document* document, HTMLScriptRun
nerHost* host) | 48 static PassOwnPtr<HTMLScriptRunner> create(Document* document, HTMLScriptRun
nerHost* host) |
48 { | 49 { |
49 return adoptPtr(new HTMLScriptRunner(document, host)); | 50 return adoptPtr(new HTMLScriptRunner(document, host)); |
50 } | 51 } |
51 ~HTMLScriptRunner(); | 52 ~HTMLScriptRunner(); |
52 | 53 |
53 void detach(); | 54 void detach(); |
54 | 55 |
55 // Processes the passed in script and any pending scripts if possible. | 56 // Processes the passed in script and any pending scripts if possible. |
56 void execute(PassRefPtr<Element> scriptToProcess, const TextPosition& script
StartPosition); | 57 void execute(PassRefPtrWillBeRawPtr<Element> scriptToProcess, const TextPosi
tion& scriptStartPosition); |
57 | 58 |
58 void executeScriptsWaitingForLoad(Resource*); | 59 void executeScriptsWaitingForLoad(Resource*); |
59 bool hasScriptsWaitingForResources() const { return m_hasScriptsWaitingForRe
sources; } | 60 bool hasScriptsWaitingForResources() const { return m_hasScriptsWaitingForRe
sources; } |
60 void executeScriptsWaitingForResources(); | 61 void executeScriptsWaitingForResources(); |
61 bool executeScriptsWaitingForParsing(); | 62 bool executeScriptsWaitingForParsing(); |
62 | 63 |
63 bool hasParserBlockingScript() const; | 64 bool hasParserBlockingScript() const; |
64 bool isExecutingScript() const { return !!m_scriptNestingLevel; } | 65 bool isExecutingScript() const { return !!m_scriptNestingLevel; } |
65 | 66 |
| 67 void trace(Visitor*); |
| 68 |
66 private: | 69 private: |
67 HTMLScriptRunner(Document*, HTMLScriptRunnerHost*); | 70 HTMLScriptRunner(Document*, HTMLScriptRunnerHost*); |
68 | 71 |
69 LocalFrame* frame() const; | 72 LocalFrame* frame() const; |
70 | 73 |
71 enum PendingScriptType { | 74 enum PendingScriptType { |
72 PendingScriptBlockingParser, | 75 PendingScriptBlockingParser, |
73 PendingScriptDeferred | 76 PendingScriptDeferred |
74 }; | 77 }; |
75 | 78 |
(...skipping 22 matching lines...) Expand all Loading... |
98 // We only want stylesheet loads to trigger script execution if script | 101 // We only want stylesheet loads to trigger script execution if script |
99 // execution is currently stopped due to stylesheet loads, otherwise we'd | 102 // execution is currently stopped due to stylesheet loads, otherwise we'd |
100 // cause nested script execution when parsing <style> tags since </style> | 103 // cause nested script execution when parsing <style> tags since </style> |
101 // tags can cause Document to call executeScriptsWaitingForResources. | 104 // tags can cause Document to call executeScriptsWaitingForResources. |
102 bool m_hasScriptsWaitingForResources; | 105 bool m_hasScriptsWaitingForResources; |
103 }; | 106 }; |
104 | 107 |
105 } | 108 } |
106 | 109 |
107 #endif | 110 #endif |
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