| /* |
| * 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 HTMLImport_h |
| #define HTMLImport_h |
| |
| #include "wtf/Vector.h" |
| |
| namespace WebCore { |
| |
| class Frame; |
| class Document; |
| class Frame; |
| class HTMLImportRoot; |
| class HTMLImportsController; |
| |
| class HTMLImport { |
| public: |
| static bool unblock(HTMLImport*); |
| |
| virtual ~HTMLImport() { } |
| |
| Frame* frame(); |
| Document* master(); |
| HTMLImportsController* controller(); |
| |
| bool isLoaded() const { return !isBlocked() && !isProcessing(); } |
| bool isBlocked() const { return m_blocked; } |
| void appendChild(HTMLImport*); |
| |
| virtual HTMLImportRoot* root() = 0; |
| virtual HTMLImport* parent() const = 0; |
| virtual Document* document() const = 0; |
| virtual void wasDetachedFromDocument() = 0; |
| virtual void didFinishParsing() = 0; |
| virtual bool isProcessing() const = 0; |
| |
| protected: |
| HTMLImport() |
| : m_blocked(false) |
| { } |
| |
| private: |
| static void block(HTMLImport*); |
| |
| void blockAfter(HTMLImport* child); |
| void block(); |
| void unblock(); |
| void didUnblock(); |
| |
| bool arePredecessorsLoaded() const; |
| bool areChilrenLoaded() const; |
| bool hasChildren() const { return !m_children.isEmpty(); } |
| |
| Vector<HTMLImport*> m_children; |
| bool m_blocked; // If any of decendants or predecessors is in processing, it is blocked. |
| }; |
| |
| class HTMLImportRoot : public HTMLImport { |
| public: |
| virtual void importWasDisposed() = 0; |
| virtual HTMLImportsController* toController() = 0; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // HTMLImport_h |