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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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57 if (lastChild() && lastChild()->isBlockingFollowersFromCreatingDocument()) | 57 if (lastChild() && lastChild()->isBlockingFollowersFromCreatingDocument()) |
58 child->blockFromCreatingDocument(); | 58 child->blockFromCreatingDocument(); |
59 TreeNode<HTMLImport>::appendChild(child); | 59 TreeNode<HTMLImport>::appendChild(child); |
60 if (child->isCreatedByParser()) | 60 if (child->isCreatedByParser()) |
61 blockPredecessorsOf(child); | 61 blockPredecessorsOf(child); |
62 } | 62 } |
63 | 63 |
64 inline bool HTMLImport::isBlockedFromCreatingDocumentByPredecessors() const | 64 inline bool HTMLImport::isBlockedFromCreatingDocumentByPredecessors() const |
65 { | 65 { |
66 ASSERT(isBlockedFromCreatingDocument()); | 66 ASSERT(isBlockedFromCreatingDocument()); |
67 HTMLImport* elder = previous(); | 67 HTMLImport* elder = previousSibling(); |
68 return (elder && !elder->isDone()); | 68 return (elder && !elder->isDone()); |
69 } | 69 } |
70 | 70 |
71 bool HTMLImport::isBlockedFromRunningScriptByPredecessors() const | 71 bool HTMLImport::isBlockedFromRunningScriptByPredecessors() const |
72 { | 72 { |
73 HTMLImport* parent = this->parent(); | 73 HTMLImport* parent = this->parent(); |
74 if (!parent) | 74 if (!parent) |
75 return false; | 75 return false; |
76 | 76 |
77 for (HTMLImport* sibling = parent->firstChild(); sibling; sibling = sibling-
>next()) { | 77 for (HTMLImport* sibling = parent->firstChild(); sibling; sibling = sibling-
>nextSibling()) { |
78 if (sibling == this) | 78 if (sibling == this) |
79 break; | 79 break; |
80 if (sibling->isBlockingFollowersFromRunningScript()) | 80 if (sibling->isBlockingFollowersFromRunningScript()) |
81 return true; | 81 return true; |
82 } | 82 } |
83 | 83 |
84 return false; | 84 return false; |
85 } | 85 } |
86 | 86 |
87 void HTMLImport::blockFromRunningScript() | 87 void HTMLImport::blockFromRunningScript() |
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140 } | 140 } |
141 | 141 |
142 bool HTMLImport::unblock(HTMLImport* import) | 142 bool HTMLImport::unblock(HTMLImport* import) |
143 { | 143 { |
144 ASSERT(!import->isBlockedFromRunningScriptByPredecessors()); | 144 ASSERT(!import->isBlockedFromRunningScriptByPredecessors()); |
145 | 145 |
146 if (import->isBlockedFromCreatingDocument() && import->isBlockedFromCreating
DocumentByPredecessors()) | 146 if (import->isBlockedFromCreatingDocument() && import->isBlockedFromCreating
DocumentByPredecessors()) |
147 return false; | 147 return false; |
148 import->unblockFromCreatingDocument(); | 148 import->unblockFromCreatingDocument(); |
149 | 149 |
150 for (HTMLImport* child = import->firstChild(); child; child = child->next())
{ | 150 for (HTMLImport* child = import->firstChild(); child; child = child->nextSib
ling()) { |
151 if (!unblock(child)) | 151 if (!unblock(child)) |
152 return false; | 152 return false; |
153 } | 153 } |
154 | 154 |
155 import->unblockFromRunningScript(); | 155 import->unblockFromRunningScript(); |
156 | 156 |
157 return !import->isBlockingFollowersFromRunningScript(); | 157 return !import->isBlockingFollowersFromRunningScript(); |
158 } | 158 } |
159 | 159 |
160 void HTMLImport::block(HTMLImport* import) | 160 void HTMLImport::block(HTMLImport* import) |
161 { | 161 { |
162 for (HTMLImport* child = import; child; child = traverseNext(child, import)) | 162 for (HTMLImport* child = import; child; child = traverseNext(*child, import)
) |
163 child->blockFromRunningScript(); | 163 child->blockFromRunningScript(); |
164 } | 164 } |
165 | 165 |
166 void HTMLImport::blockPredecessorsOf(HTMLImport* child) | 166 void HTMLImport::blockPredecessorsOf(HTMLImport* child) |
167 { | 167 { |
168 ASSERT(child->parent() == this); | 168 ASSERT(child->parent() == this); |
169 | 169 |
170 for (HTMLImport* sibling = lastChild(); sibling; sibling = sibling->previous
()) { | 170 for (HTMLImport* sibling = lastChild(); sibling; sibling = sibling->previous
Sibling()) { |
171 if (sibling == child) | 171 if (sibling == child) |
172 break; | 172 break; |
173 HTMLImport::block(sibling); | 173 HTMLImport::block(sibling); |
174 } | 174 } |
175 | 175 |
176 this->blockFromRunningScript(); | 176 this->blockFromRunningScript(); |
177 | 177 |
178 if (HTMLImport* parent = this->parent()) { | 178 if (HTMLImport* parent = this->parent()) { |
179 if (isCreatedByParser()) | 179 if (isCreatedByParser()) |
180 parent->blockPredecessorsOf(this); | 180 parent->blockPredecessorsOf(this); |
181 } | 181 } |
182 } | 182 } |
183 | 183 |
184 bool HTMLImport::isMaster(Document* document) | 184 bool HTMLImport::isMaster(Document* document) |
185 { | 185 { |
186 if (!document->import()) | 186 if (!document->import()) |
187 return true; | 187 return true; |
188 return (document->import()->master() == document); | 188 return (document->import()->master() == document); |
189 } | 189 } |
190 | 190 |
191 } // namespace WebCore | 191 } // namespace WebCore |
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