| /* |
| * Copyright (C) 2010, 2011 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 AssociatedURLLoader_h |
| #define AssociatedURLLoader_h |
| |
| #include "platform/heap/Handle.h" |
| #include "public/platform/WebURLLoader.h" |
| #include "public/web/WebURLLoaderOptions.h" |
| #include "wtf/Noncopyable.h" |
| #include "wtf/RefPtr.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class DocumentThreadableLoader; |
| class WebLocalFrameImpl; |
| |
| // This class is used to implement WebFrame::createAssociatedURLLoader. |
| class AssociatedURLLoader final : public WebURLLoader { |
| WTF_MAKE_NONCOPYABLE(AssociatedURLLoader); |
| public: |
| AssociatedURLLoader(WebLocalFrameImpl*, const WebURLLoaderOptions&); |
| ~AssociatedURLLoader(); |
| |
| // WebURLLoader methods: |
| void loadSynchronously(const WebURLRequest&, WebURLResponse&, WebURLError&, WebData&, int64_t& encodedDataLength) override; |
| void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override; |
| void cancel() override; |
| void setDefersLoading(bool) override; |
| void setLoadingTaskRunner(blink::WebTaskRunner*) override; |
| |
| // Called by |m_observer| to handle destruction of the Document associated |
| // with the frame given to the constructor. |
| void documentDestroyed(); |
| |
| // Called by ClientAdapter to handle completion of loading. |
| void clientAdapterDone(); |
| |
| private: |
| class ClientAdapter; |
| class Observer; |
| |
| void cancelLoader(); |
| void disposeObserver(); |
| |
| WebURLLoaderClient* releaseClient() |
| { |
| WebURLLoaderClient* client = m_client; |
| m_client = nullptr; |
| return client; |
| } |
| |
| WebURLLoaderClient* m_client; |
| WebURLLoaderOptions m_options; |
| |
| // An adapter which converts the DocumentThreadableLoaderClient method |
| // calls into the WebURLLoaderClient method calls. |
| std::unique_ptr<ClientAdapter> m_clientAdapter; |
| std::unique_ptr<DocumentThreadableLoader> m_loader; |
| |
| // A ContextLifecycleObserver for cancelling |m_loader| when the Document |
| // is detached. |
| Persistent<Observer> m_observer; |
| }; |
| |
| } // namespace blink |
| |
| #endif |