Refactor HTMLLinkElement

third_party/WebKit/Source/core/html/LinkStyle.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LinkStyle_h
 #define LinkStyle_h
 
 #include "core/dom/Node.h"
 #include "core/dom/StyleEngine.h"
 #include "core/fetch/ResourceOwner.h"
 #include "core/html/LinkResource.h"
 #include "core/loader/resource/StyleSheetResource.h"
 #include "core/loader/resource/StyleSheetResourceClient.h"
 
 namespace blink {
 
 class HTMLLinkElement;
+class KURL;
+
 //
 // LinkStyle handles dynamically change-able link resources, which is
 // typically @rel="stylesheet".
 //
 // It could be @rel="shortcut icon" or something else though. Each of
 // types might better be handled by a separate class, but dynamically
 // changing @rel makes it harder to move such a design so we are
 // sticking current way so far.
 //
 class LinkStyle final : public LinkResource, ResourceOwner<StyleSheetResource> {
@@ skipping 31 matching lines @@
 
   CSSStyleSheet* sheet() const { return m_sheet.get(); }
 
  private:
   // From StyleSheetResourceClient
   void setCSSStyleSheet(const String& href,
                         const KURL& baseURL,
                         const String& charset,
                         const CSSStyleSheetResource*) override;
   String debugName() const override { return "LinkStyle"; }
-  enum LoadReturnValue { Loaded, NotNeeded, Bail };
-  LoadReturnValue loadStylesheetIfNeeded(const LinkRequestBuilder&,
-                                         const String& type);
+  bool shouldLoadResource() const;
+  void loadStylesheetIfNeeded(const String& type);
+  LocalFrame* loadingFrame() const;
+  void loadStylesheet();
 
   enum DisabledState { Unset, EnabledViaScript, Disabled };
 
   enum PendingSheetType { None, NonBlocking, Blocking };
 
   void clearSheet();
   void addPendingSheet(PendingSheetType);
   void removePendingSheet();
   Document& document();
+  const Document& document() const;
 
-  void setCrossOriginStylesheetStatus(CSSStyleSheet*);
-  void setFetchFollowingCORS() {
-    DCHECK(!m_fetchFollowingCORS);
-    m_fetchFollowingCORS = true;
-  }
-  void clearFetchFollowingCORS() { m_fetchFollowingCORS = false; }
+  void setCrossOriginStylesheetStatus();
 
   Member<CSSStyleSheet> m_sheet;
   DisabledState m_disabledState;
   PendingSheetType m_pendingSheetType;
   StyleEngineContext m_styleEngineContext;
   bool m_loading;
   bool m_firedLoad;
   bool m_loadedSheet;
   bool m_fetchFollowingCORS;
 };
 
 }  // namespace blink
 
 #endif