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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_RESOURCE_PRELOADER_H_ 27 #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_RESOURCE_PRELOADER_H_ 28 29 #include <memory> 30 31 #include "base/macros.h" 32 #include "third_party/blink/renderer/core/html/parser/preload_request.h" 33 #include "third_party/blink/renderer/core/html/parser/resource_preloader.h" 34 #include "third_party/blink/renderer/platform/heap/heap.h" 35 #include "third_party/blink/renderer/platform/wtf/text/text_position.h" 36 37 namespace blink { 38 39 class Document; 40 41 class CORE_EXPORT HTMLResourcePreloader 42 : public GarbageCollected<HTMLResourcePreloader>, 43 public ResourcePreloader { 44 friend class HTMLResourcePreloaderTest; 45 46 public: 47 explicit HTMLResourcePreloader(Document&); 48 49 void Trace(Visitor*) const; 50 51 protected: 52 void Preload(std::unique_ptr<PreloadRequest>) override; 53 54 private: 55 // Whether the request is allowed based on whether the doc is prefetch only 56 // and resource priority/type of |preload|. 57 bool AllowPreloadRequest(PreloadRequest* preload) const; 58 59 Member<Document> document_; 60 61 DISALLOW_COPY_AND_ASSIGN(HTMLResourcePreloader); 62 }; 63 64 } // namespace blink 65 66 #endif 67