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32 #include "core/html/imports/LinkImport.h"
34 #include "core/dom/Document.h"
35 #include "core/fetch/CrossOriginAccessControl.h"
36 #include "core/html/HTMLLinkElement.h"
37 #include "core/html/imports/HTMLImportChild.h"
38 #include "core/html/imports/HTMLImportLoader.h"
39 #include "core/html/imports/HTMLImportsController.h"
44 PassOwnPtrWillBeRawPtr<LinkImport> LinkImport::create(HTMLLinkElement* owner)
46 return adoptPtrWillBeNoop(new LinkImport(owner));
49 LinkImport::LinkImport(HTMLLinkElement* owner)
55 LinkImport::~LinkImport()
58 m_child->clearClient();
63 Document* LinkImport::importedDocument() const
65 if (!m_child || !m_owner || !m_owner->inDocument())
67 return m_child->importedDocument();
70 void LinkImport::process()
76 if (!shouldLoadResource())
79 if (!m_owner->document().importsController()) {
80 ASSERT(m_owner->document().frame()); // The document should be the master.
81 HTMLImportsController::provideTo(m_owner->document());
84 LinkRequestBuilder builder(m_owner);
85 if (!builder.isValid()) {
90 HTMLImportsController* controller = m_owner->document().importsController();
91 HTMLImportLoader* loader = m_owner->document().importLoader();
92 HTMLImport* parent = loader ? static_cast<HTMLImport*>(loader->firstImport()) : static_cast<HTMLImport*>(controller);
93 m_child = controller->load(parent, this, builder.build(true));
100 void LinkImport::didFinish()
102 if (!m_owner || !m_owner->inDocument())
104 m_owner->scheduleEvent();
107 void LinkImport::importChildWasDestroyed(HTMLImportChild* child)
109 ASSERT(m_child == child);
114 bool LinkImport::isSync() const
116 return m_owner && !m_owner->async();
119 HTMLLinkElement* LinkImport::link()
124 bool LinkImport::hasLoaded() const
126 return m_child && m_child->isDone() && !m_child->loaderHasError();
129 void LinkImport::trace(Visitor* visitor)
131 LinkResource::trace(visitor);
134 } // namespace WebCore