| /* |
| * 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/imports/HTMLImport.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/weborigin/KURL.h" |
| |
| namespace blink { |
| |
| class V0CustomElementMicrotaskImportStep; |
| class HTMLImportLoader; |
| class HTMLImportChildClient; |
| class HTMLLinkElement; |
| |
| // |
| // An import tree node subclass to encapsulate imported document |
| // lifecycle. This class is owned by HTMLImportsController. The actual loading |
| // is done by HTMLImportLoader, which can be shared among multiple |
| // HTMLImportChild of same link URL. |
| // |
| class HTMLImportChild final : public HTMLImport { |
| public: |
| HTMLImportChild(const KURL&, HTMLImportLoader*, SyncMode); |
| ~HTMLImportChild() override; |
| void dispose(); |
| |
| HTMLLinkElement* link() const; |
| const KURL& url() const { return m_url; } |
| |
| void ownerInserted(); |
| void didShareLoader(); |
| void didStartLoading(); |
| |
| // HTMLImport |
| Document* document() const override; |
| bool hasFinishedLoading() const override; |
| HTMLImportLoader* loader() const override; |
| void stateWillChange() override; |
| void stateDidChange() override; |
| DECLARE_VIRTUAL_TRACE(); |
| |
| #if !defined(NDEBUG) |
| void showThis() override; |
| #endif |
| |
| void setClient(HTMLImportChildClient*); |
| |
| void didFinishLoading(); |
| void didFinishUpgradingCustomElements(); |
| void normalize(); |
| |
| private: |
| void didFinish(); |
| void shareLoader(); |
| void createCustomElementMicrotaskStepIfNeeded(); |
| void invalidateCustomElementMicrotaskStep(); |
| |
| KURL m_url; |
| WeakMember<V0CustomElementMicrotaskImportStep> m_customElementMicrotaskStep; |
| Member<HTMLImportLoader> m_loader; |
| Member<HTMLImportChildClient> m_client; |
| }; |
| |
| inline HTMLImportChild* toHTMLImportChild(HTMLImport* import) |
| { |
| ASSERT(!import || !import->isRoot()); |
| return static_cast<HTMLImportChild*>(import); |
| } |
| |
| } // namespace blink |
| |
| #endif // HTMLImportChild_h |