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 HTMLImportsController_h 32 #define HTMLImportsController_h 33 34 #include "core/dom/DocumentSupplementable.h" 35 #include "core/fetch/RawResource.h" 36 #include "core/html/LinkResource.h" 37 #include "core/html/imports/HTMLImport.h" 38 #include "platform/Supplementable.h" 39 #include "platform/Timer.h" 40 #include "wtf/FastAllocBase.h" 41 #include "wtf/PassOwnPtr.h" 42 #include "wtf/Vector.h" 43 44 namespace blink { 45 46 class FetchRequest; 47 class ExecutionContext; 48 class ResourceFetcher; 49 class HTMLImportChild; 50 class HTMLImportChildClient; 51 class HTMLImportLoader; 52 class HTMLImportTreeRoot; 53 54 class HTMLImportsController FINAL : public NoBaseWillBeGarbageCollectedFinalized<HTMLImportsController>, public DocumentSupplement { 55 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLImportsController); 56 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 57 public: 58 static const char* supplementName(); 59 static void provideTo(Document&); 60 static void removeFrom(Document&); 61 62 explicit HTMLImportsController(Document&); 63 virtual ~HTMLImportsController(); 64 65 HTMLImportTreeRoot* root() const { return m_root.get(); } 66 67 bool shouldBlockScriptExecution(const Document&) const; 68 HTMLImportChild* load(HTMLImport* parent, HTMLImportChildClient*, FetchRequest); 69 70 Document* master() const; 71 72 HTMLImportLoader* createLoader(); 73 74 size_t loaderCount() const { return m_loaders.size(); } 75 HTMLImportLoader* loaderAt(size_t i) const { return m_loaders[i].get(); } 76 Document* loaderDocumentAt(size_t) const; 77 HTMLImportLoader* loaderFor(const Document&) const; 78 79 virtual void trace(Visitor*); 80 81 private: 82 HTMLImportChild* createChild(const KURL&, HTMLImportLoader*, HTMLImport* parent, HTMLImportChildClient*); 83 84 OwnPtrWillBeMember<HTMLImportTreeRoot> m_root; 85 typedef WillBeHeapVector<OwnPtrWillBeMember<HTMLImportLoader> > LoaderList; 86 LoaderList m_loaders; 87 }; 88 89 } // namespace blink 90 91 #endif // HTMLImportsController_h 92