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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/HTMLImportTreeRoot.h"
40 #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()
59 m_child->clearClient();
65 Document* LinkImport::importedDocument() const
67 if (!m_child || !m_owner || !m_owner->inDocument())
69 if (m_child->loader()->hasError())
71 return m_child->document();
74 void LinkImport::process()
80 if (!shouldLoadResource())
83 if (!m_owner->document().importsController()) {
84 ASSERT(m_owner->document().frame()); // The document should be the master.
85 HTMLImportsController::provideTo(m_owner->document());
88 LinkRequestBuilder builder(m_owner);
89 if (!builder.isValid()) {
94 HTMLImportsController* controller = m_owner->document().importsController();
95 HTMLImportLoader* loader = m_owner->document().importLoader();
96 HTMLImport* parent = loader ? static_cast<HTMLImport*>(loader->firstImport()) : static_cast<HTMLImport*>(controller->root());
97 m_child = controller->load(parent, this, builder.build(true));
104 void LinkImport::didFinish()
106 if (!m_owner || !m_owner->inDocument())
108 m_owner->scheduleEvent();
112 void LinkImport::importChildWasDestroyed(HTMLImportChild* child)
114 ASSERT(m_child == child);
120 bool LinkImport::isSync() const
122 return m_owner && !m_owner->async();
125 HTMLLinkElement* LinkImport::link()
130 bool LinkImport::hasLoaded() const
132 // Should never be called after importChildWasDestroyed was called.
134 return m_child && m_child->isDone() && !m_child->loader()->hasError();
137 void LinkImport::ownerInserted()
140 m_child->ownerInserted();
143 void LinkImport::trace(Visitor* visitor)
145 visitor->trace(m_child);
146 HTMLImportChildClient::trace(visitor);
147 LinkResource::trace(visitor);