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| 1 /* | |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | |
| 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) | |
| 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) | |
| 5 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
| 6 Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
| 7 | |
| 8 This library is free software; you can redistribute it and/or | |
| 9 modify it under the terms of the GNU Library General Public | |
| 10 License as published by the Free Software Foundation; either | |
| 11 version 2 of the License, or (at your option) any later version. | |
| 12 | |
| 13 This library is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 Library General Public License for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU Library General Public License | |
| 19 along with this library; see the file COPYING.LIB. If not, write to | |
| 20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 21 Boston, MA 02110-1301, USA. | |
| 22 | |
| 23 This class provides all functionality needed for loading images, style | |
| 24 sheets and html pages from the web. It has a memory cache for these objects. | |
| 25 */ | |
| 26 | |
| 27 #include "core/fetch/ScriptResource.h" | |
| 28 | |
| 29 #include "core/fetch/FetchRequest.h" | |
| 30 #include "core/fetch/IntegrityMetadata.h" | |
| 31 #include "core/fetch/ResourceClientWalker.h" | |
| 32 #include "core/fetch/ResourceFetcher.h" | |
| 33 #include "platform/MIMETypeRegistry.h" | |
| 34 #include "platform/SharedBuffer.h" | |
| 35 #include "platform/tracing/web_memory_allocator_dump.h" | |
| 36 #include "platform/tracing/web_process_memory_dump.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 ScriptResource* ScriptResource::fetch(FetchRequest& request, | |
| 41 ResourceFetcher* fetcher) { | |
| 42 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 43 WebURLRequest::FrameTypeNone); | |
| 44 request.mutableResourceRequest().setRequestContext( | |
| 45 WebURLRequest::RequestContextScript); | |
| 46 ScriptResource* resource = toScriptResource( | |
| 47 fetcher->requestResource(request, ScriptResourceFactory())); | |
| 48 if (resource && !request.integrityMetadata().isEmpty()) | |
| 49 resource->setIntegrityMetadata(request.integrityMetadata()); | |
| 50 return resource; | |
| 51 } | |
| 52 | |
| 53 ScriptResource::ScriptResource(const ResourceRequest& resourceRequest, | |
| 54 const ResourceLoaderOptions& options, | |
| 55 const String& charset) | |
| 56 : TextResource(resourceRequest, | |
| 57 Script, | |
| 58 options, | |
| 59 "application/javascript", | |
| 60 charset) {} | |
| 61 | |
| 62 ScriptResource::~ScriptResource() {} | |
| 63 | |
| 64 void ScriptResource::didAddClient(ResourceClient* client) { | |
| 65 DCHECK(ScriptResourceClient::isExpectedType(client)); | |
| 66 Resource::didAddClient(client); | |
| 67 } | |
| 68 | |
| 69 void ScriptResource::appendData(const char* data, size_t length) { | |
| 70 Resource::appendData(data, length); | |
| 71 ResourceClientWalker<ScriptResourceClient> walker(clients()); | |
| 72 while (ScriptResourceClient* client = walker.next()) | |
| 73 client->notifyAppendData(this); | |
| 74 } | |
| 75 | |
| 76 void ScriptResource::onMemoryDump(WebMemoryDumpLevelOfDetail levelOfDetail, | |
| 77 WebProcessMemoryDump* memoryDump) const { | |
| 78 Resource::onMemoryDump(levelOfDetail, memoryDump); | |
| 79 const String name = getMemoryDumpName() + "/decoded_script"; | |
| 80 auto dump = memoryDump->createMemoryAllocatorDump(name); | |
| 81 dump->addScalar("size", "bytes", m_script.charactersSizeInBytes()); | |
| 82 memoryDump->addSuballocation( | |
| 83 dump->guid(), String(WTF::Partitions::kAllocatedObjectPoolName)); | |
| 84 } | |
| 85 | |
| 86 const String& ScriptResource::script() { | |
| 87 DCHECK(isLoaded()); | |
| 88 | |
| 89 if (m_script.isNull() && data()) { | |
| 90 String script = decodedText(); | |
| 91 clearData(); | |
| 92 setDecodedSize(script.charactersSizeInBytes()); | |
| 93 m_script = AtomicString(script); | |
| 94 } | |
| 95 | |
| 96 return m_script; | |
| 97 } | |
| 98 | |
| 99 void ScriptResource::destroyDecodedDataForFailedRevalidation() { | |
| 100 m_script = AtomicString(); | |
| 101 } | |
| 102 | |
| 103 bool ScriptResource::mimeTypeAllowedByNosniff() const { | |
| 104 return parseContentTypeOptionsHeader(response().httpHeaderField( | |
| 105 HTTPNames::X_Content_Type_Options)) != ContentTypeOptionsNosniff || | |
| 106 MIMETypeRegistry::isSupportedJavaScriptMIMEType(httpContentType()); | |
| 107 } | |
| 108 | |
| 109 } // namespace blink | |
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Chromium Code Reviews
Issue 2497463004:
Loading: move core/fetch/*Resource* to core/loader/resource/ (Closed)
