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| 1 /* | |
| 2 * Copyright (C) 2010, 2011 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 AssociatedURLLoader_h | |
| 32 #define AssociatedURLLoader_h | |
| 33 | |
| 34 #include "platform/heap/Handle.h" | |
| 35 #include "public/platform/WebURLLoader.h" | |
| 36 #include "public/web/WebURLLoaderOptions.h" | |
| 37 #include "wtf/Noncopyable.h" | |
| 38 #include "wtf/RefPtr.h" | |
| 39 #include <memory> | |
| 40 | |
| 41 namespace blink { | |
| 42 | |
| 43 class DocumentThreadableLoader; | |
| 44 class WebLocalFrameImpl; | |
| 45 | |
| 46 // This class is used to implement WebFrame::createAssociatedURLLoader. | |
| 47 class AssociatedURLLoader final : public WebURLLoader { | |
| 48 WTF_MAKE_NONCOPYABLE(AssociatedURLLoader); | |
| 49 | |
| 50 public: | |
| 51 AssociatedURLLoader(WebLocalFrameImpl*, const WebURLLoaderOptions&); | |
| 52 ~AssociatedURLLoader(); | |
| 53 | |
| 54 // WebURLLoader methods: | |
| 55 void loadSynchronously(const WebURLRequest&, | |
| 56 WebURLResponse&, | |
| 57 WebURLError&, | |
| 58 WebData&, | |
| 59 int64_t& encodedDataLength) override; | |
| 60 void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override; | |
| 61 void cancel() override; | |
| 62 void setDefersLoading(bool) override; | |
| 63 void setLoadingTaskRunner(blink::WebTaskRunner*) override; | |
| 64 | |
| 65 // Called by |m_observer| to handle destruction of the Document associated | |
| 66 // with the frame given to the constructor. | |
| 67 void documentDestroyed(); | |
| 68 | |
| 69 // Called by ClientAdapter to handle completion of loading. | |
| 70 void clientAdapterDone(); | |
| 71 | |
| 72 private: | |
| 73 class ClientAdapter; | |
| 74 class Observer; | |
| 75 | |
| 76 void cancelLoader(); | |
| 77 void disposeObserver(); | |
| 78 | |
| 79 WebURLLoaderClient* releaseClient() { | |
| 80 WebURLLoaderClient* client = m_client; | |
| 81 m_client = nullptr; | |
| 82 return client; | |
| 83 } | |
| 84 | |
| 85 WebURLLoaderClient* m_client; | |
| 86 WebURLLoaderOptions m_options; | |
| 87 | |
| 88 // An adapter which converts the DocumentThreadableLoaderClient method | |
| 89 // calls into the WebURLLoaderClient method calls. | |
| 90 std::unique_ptr<ClientAdapter> m_clientAdapter; | |
| 91 Persistent<DocumentThreadableLoader> m_loader; | |
| 92 | |
| 93 // A ContextLifecycleObserver for cancelling |m_loader| when the Document | |
| 94 // is detached. | |
| 95 Persistent<Observer> m_observer; | |
| 96 }; | |
| 97 | |
| 98 } // namespace blink | |
| 99 | |
| 100 #endif | |
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Chromium Code Reviews
Issue 2399463007:
AssociatedURLLoader shouldn't derive from WebURLLoader (Closed)
