| /* |
| * Copyright (C) 2005, 2006, 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ResourceLoader_h |
| #define ResourceLoader_h |
| |
| #include "core/CoreExport.h" |
| #include "core/fetch/ResourceLoaderOptions.h" |
| #include "platform/network/ResourceRequest.h" |
| #include "public/platform/WebURLLoader.h" |
| #include "public/platform/WebURLLoaderClient.h" |
| #include "wtf/Forward.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class Resource; |
| class ResourceError; |
| class ResourceFetcher; |
| |
| class CORE_EXPORT ResourceLoader final |
| : public GarbageCollectedFinalized<ResourceLoader>, |
| protected WebURLLoaderClient { |
| public: |
| static ResourceLoader* create(ResourceFetcher*, Resource*); |
| ~ResourceLoader() override; |
| DECLARE_TRACE(); |
| |
| void start(const ResourceRequest&, |
| WebTaskRunner* loadingTaskRunner, |
| bool defersLoading); |
| void restartForServiceWorkerFallback(const ResourceRequest&); |
| void cancel(); |
| |
| void setDefersLoading(bool); |
| |
| void didChangePriority(ResourceLoadPriority, int intraPriorityValue); |
| |
| // WebURLLoaderClient |
| // |
| // A succesful load will consist of: |
| // 0+ willFollowRedirect() |
| // 0+ didSendData() |
| // 1 didReceiveResponse() |
| // 0-1 didReceiveCachedMetadata() |
| // 0+ didReceiveData() or didDownloadData(), but never both |
| // 1 didFinishLoading() |
| // A failed load is indicated by 1 didFail(), which can occur at any time |
| // before didFinishLoading(), including synchronous inside one of the other |
| // callbacks via ResourceLoader::cancel() |
| bool willFollowRedirect(WebURLLoader*, |
| WebURLRequest&, |
| const WebURLResponse& redirectResponse) override; |
| void didSendData(WebURLLoader*, |
| unsigned long long bytesSent, |
| unsigned long long totalBytesToBeSent) override; |
| void didReceiveResponse(WebURLLoader*, const WebURLResponse&) override; |
| void didReceiveResponse(WebURLLoader*, |
| const WebURLResponse&, |
| WebDataConsumerHandle*) override; |
| void didReceiveCachedMetadata(WebURLLoader*, |
| const char* data, |
| int length) override; |
| void didReceiveData(WebURLLoader*, |
| const char*, |
| int, |
| int encodedDataLength, |
| int encodedBodyLength) override; |
| void didDownloadData(WebURLLoader*, int, int) override; |
| void didFinishLoading(WebURLLoader*, |
| double finishTime, |
| int64_t encodedDataLength) override; |
| void didFail(WebURLLoader*, const WebURLError&) override; |
| |
| void didFinishLoadingFirstPartInMultipart(); |
| void didFail(const ResourceError&); |
| |
| private: |
| // Assumes ResourceFetcher and Resource are non-null. |
| ResourceLoader(ResourceFetcher*, Resource*); |
| |
| void cancelForRedirectAccessCheckError(const KURL&); |
| void requestSynchronously(const ResourceRequest&); |
| |
| std::unique_ptr<WebURLLoader> m_loader; |
| Member<ResourceFetcher> m_fetcher; |
| Member<Resource> m_resource; |
| }; |
| |
| } // namespace blink |
| |
| #endif |