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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef SKY_ENGINE_CORE_HTML_IMPORTS_HTMLIMPORTCHILD_H_ | |
| 32 #define SKY_ENGINE_CORE_HTML_IMPORTS_HTMLIMPORTCHILD_H_ | |
| 33 | |
| 34 #include "sky/engine/core/html/imports/HTMLImport.h" | |
| 35 #include "sky/engine/platform/heap/Handle.h" | |
| 36 #include "sky/engine/platform/weborigin/KURL.h" | |
| 37 #include "sky/engine/wtf/WeakPtr.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 class HTMLImportLoader; | |
| 42 class HTMLImportChildClient; | |
| 43 class Element; | |
| 44 class Module; | |
| 45 | |
| 46 // | |
| 47 // An import tree node subclas to encapsulate imported document | |
| 48 // lifecycle. This class is owned by HTMLImportsController. The actual loading | |
| 49 // is done by HTMLImportLoader, which can be shared among multiple | |
| 50 // HTMLImportChild of same link URL. | |
| 51 // | |
| 52 class HTMLImportChild final : public HTMLImport { | |
| 53 public: | |
| 54 HTMLImportChild(const KURL&, HTMLImportLoader*, SyncMode); | |
| 55 virtual ~HTMLImportChild(); | |
| 56 | |
| 57 Element* link() const; | |
| 58 const KURL& url() const { return m_url; } | |
| 59 | |
| 60 void ownerInserted(); | |
| 61 void didShareLoader(); | |
| 62 void didStartLoading(); | |
| 63 #if !ENABLE(OILPAN) | |
| 64 void importDestroyed(); | |
| 65 WeakPtr<HTMLImportChild> weakPtr() { return m_weakFactory.createWeakPtr(); } | |
| 66 #endif | |
| 67 | |
| 68 Module* module() const; | |
| 69 | |
| 70 // HTMLImport | |
| 71 virtual Document* document() const override; | |
| 72 virtual bool isDone() const override; | |
| 73 virtual HTMLImportLoader* loader() const override; | |
| 74 virtual void stateWillChange() override; | |
| 75 virtual void stateDidChange() override; | |
| 76 | |
| 77 #if !defined(NDEBUG) | |
| 78 virtual void showThis() override; | |
| 79 #endif | |
| 80 | |
| 81 void setClient(HTMLImportChildClient*); | |
| 82 #if !ENABLE(OILPAN) | |
| 83 void clearClient(); | |
| 84 #endif | |
| 85 | |
| 86 void didFinishLoading(); | |
| 87 void normalize(); | |
| 88 | |
| 89 private: | |
| 90 void didFinish(); | |
| 91 void shareLoader(); | |
| 92 | |
| 93 KURL m_url; | |
| 94 #if !ENABLE(OILPAN) | |
| 95 WeakPtrFactory<HTMLImportChild> m_weakFactory; | |
| 96 #endif | |
| 97 RawPtr<HTMLImportLoader> m_loader; | |
| 98 RawPtr<HTMLImportChildClient> m_client; | |
| 99 }; | |
| 100 | |
| 101 inline HTMLImportChild* toHTMLImportChild(HTMLImport* import) | |
| 102 { | |
| 103 ASSERT(!import || !import->isRoot()); | |
| 104 return static_cast<HTMLImportChild*>(import); | |
| 105 } | |
| 106 | |
| 107 } // namespace blink | |
| 108 | |
| 109 #endif // SKY_ENGINE_CORE_HTML_IMPORTS_HTMLIMPORTCHILD_H_ | |
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