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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Google Inc. nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * 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 CustomElementMicrotaskImportStep_h 32 #define CustomElementMicrotaskImportStep_h 33 34 #include "core/dom/custom/CustomElementMicrotaskStep.h" 35 #include "platform/heap/Handle.h" 36 #include "wtf/Noncopyable.h" 37 #include "wtf/PassOwnPtr.h" 38 #include "wtf/PassRefPtr.h" 39 #include "wtf/RefPtr.h" 40 #include "wtf/WeakPtr.h" 41 42 namespace WebCore { 43 44 class CustomElementSyncMicrotaskQueue; 45 class HTMLImportChild; 46 47 // Processes the Custom Elements in an HTML Import. This is a 48 // composite step which processes the Custom Elements created by 49 // parsing the import, and its sub-imports. 50 // 51 // This step blocks further Custom Element microtask processing if its 52 // import isn't "ready" (finished parsing and running script.) 53 class CustomElementMicrotaskImportStep : public CustomElementMicrotaskStep { 54 WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskImportStep); 55 public: 56 static PassOwnPtrWillBeRawPtr<CustomElementMicrotaskImportStep> create(HTMLImportChild*); 57 virtual ~CustomElementMicrotaskImportStep(); 58 59 // API for HTML Imports 60 void parentWasChanged(); 61 void importDidFinishLoading(); 62 #if !ENABLE(OILPAN) 63 WeakPtr<CustomElementMicrotaskImportStep> weakPtr() { return m_weakFactory.createWeakPtr(); } 64 #endif 65 66 virtual void trace(Visitor*) OVERRIDE; 67 68 private: 69 explicit CustomElementMicrotaskImportStep(HTMLImportChild*); 70 71 void didUpgradeAllCustomElements(); 72 bool shouldWaitForImport() const; 73 74 // CustomElementMicrotaskStep 75 virtual Result process() OVERRIDE FINAL; 76 77 #if !defined(NDEBUG) 78 virtual void show(unsigned indent) OVERRIDE; 79 #endif 80 WeakPtrWillBeWeakMember<HTMLImportChild> m_import; 81 #if !ENABLE(OILPAN) 82 WeakPtrFactory<CustomElementMicrotaskImportStep> m_weakFactory; 83 #endif 84 RefPtrWillBeMember<CustomElementSyncMicrotaskQueue> m_queue; 85 }; 86 87 } 88 89 #endif // CustomElementMicrotaskImportStep_h 90
