| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef HTMLImportChild_h |
| #define HTMLImportChild_h |
| |
| #include "core/html/HTMLImport.h" |
| #include "core/html/HTMLImportLoaderClient.h" |
| #include "core/html/HTMLImportResourceOwner.h" |
| #include "platform/weborigin/KURL.h" |
| |
| namespace WebCore { |
| |
| class HTMLImportLoader; |
| class HTMLImportChildClient; |
| |
| // |
| // An import tree node subclas to encapsulate imported document |
| // lifecycle. This class is owned by LinkStyle. The actual loading |
| // is done by HTMLImportLoader, which can be shared among multiple |
| // HTMLImportChild of same link URL. |
| // |
| // HTMLImportChild implements ResourceClient through HTMLImportResourceOwner |
| // so that it can speculatively request linked resources while it is unblocked. |
| // |
| class HTMLImportChild : public HTMLImport, public HTMLImportLoaderClient, public HTMLImportResourceOwner { |
| public: |
| HTMLImportChild(const KURL&, HTMLImportChildClient*); |
| virtual ~HTMLImportChild(); |
| |
| Document* importedDocument() const; |
| const KURL& url() const { return m_url; } |
| |
| void wasAlreadyLoadedAs(HTMLImportChild* found); |
| void startLoading(const ResourcePtr<RawResource>&); |
| void importDestroyed(); |
| bool isLoaded() const; |
| |
| // HTMLImport |
| virtual HTMLImportRoot* root() OVERRIDE; |
| virtual Document* document() const OVERRIDE; |
| virtual void wasDetachedFromDocument() OVERRIDE; |
| virtual void didFinishParsing() OVERRIDE; |
| virtual bool isProcessing() const OVERRIDE; |
| virtual bool isDone() const OVERRIDE; |
| virtual void didUnblockDocument() OVERRIDE; |
| |
| void clearClient() { m_client = 0; } |
| |
| private: |
| // RawResourceOwner doing nothing. |
| // HTMLImportChild owns the resource so that the contents of prefetched Resource doesn't go away. |
| virtual void responseReceived(Resource*, const ResourceResponse&) OVERRIDE { } |
| virtual void dataReceived(Resource*, const char*, int) OVERRIDE { } |
| virtual void notifyFinished(Resource*) OVERRIDE { } |
| |
| // HTMLImportLoaderClient |
| virtual void didFinish() OVERRIDE; |
| |
| void createLoader(); |
| void shareLoader(HTMLImportChild*); |
| |
| KURL m_url; |
| HTMLImportChildClient* m_client; |
| RefPtr<HTMLImportLoader> m_loader; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // HTMLImportChild_h |