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32 #include "core/html/imports/HTMLImportStateResolver.h"
34 #include "core/html/imports/HTMLImport.h"
35 #include "core/html/imports/HTMLImportChild.h"
36 #include "core/html/imports/HTMLImportLoader.h"
40 inline bool HTMLImportStateResolver::isBlockingFollowers(HTMLImport* import)
42 if (!import->isSync())
44 HTMLImportChild* child = toHTMLImportChild(import);
45 if (!child->loader()->isFirstImport(child))
47 return !import->state().isReady();
50 inline bool HTMLImportStateResolver::shouldBlockScriptExecution() const
52 // FIXME: Memoize to make this faster.
53 for (HTMLImport* ancestor = m_import; ancestor; ancestor = ancestor->parent()) {
54 for (HTMLImport* predecessor = ancestor->previous(); predecessor; predecessor = predecessor->previous()) {
55 if (isBlockingFollowers(predecessor))
60 for (HTMLImport* child = m_import->firstChild(); child; child = child->next()) {
61 if (isBlockingFollowers(child))
68 inline bool HTMLImportStateResolver::isActive() const
70 return !m_import->isDone();
73 HTMLImportState HTMLImportStateResolver::resolve() const
75 if (shouldBlockScriptExecution())
76 return HTMLImportState(HTMLImportState::BlockingScriptExecution);
78 return HTMLImportState(HTMLImportState::Active);
79 return HTMLImportState(HTMLImportState::Ready);