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32 #include "core/html/HTMLImportStateResolver.h"
34 #include "core/html/HTMLImport.h"
38 inline bool HTMLImportStateResolver::isBlockingFollowers(HTMLImport* import)
40 if (!import->hasLoader())
42 if (!import->ownsLoader())
44 return !import->state().isReady();
47 inline bool HTMLImportStateResolver::shouldBlockDocumentCreation() const
49 // If any of its preceeding imports isn't ready, this import
50 // cannot start loading because such preceeding onces can include
51 // duplicating import that should wins over this.
52 for (const HTMLImport* ancestor = m_import; ancestor; ancestor = ancestor->parent()) {
53 if (ancestor->previous() && isBlockingFollowers(ancestor->previous()))
60 inline bool HTMLImportStateResolver::shouldBlockScriptExecution() const
62 for (HTMLImport* child = m_import->firstChild(); child; child = child->next()) {
63 if (child->isCreatedByParser() && isBlockingFollowers(child))
70 inline bool HTMLImportStateResolver::isActive() const
72 return !m_import->isDone();
75 HTMLImportState HTMLImportStateResolver::resolve() const
77 if (shouldBlockDocumentCreation())
78 return HTMLImportState(HTMLImportState::BlockingDocumentCreation);
79 if (shouldBlockScriptExecution())
80 return HTMLImportState(HTMLImportState::BlockingScriptExecution);
82 return HTMLImportState(HTMLImportState::Active);
83 return HTMLImportState(HTMLImportState::Ready);