| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef WebAssociatedURLLoaderImpl_h |
| #define WebAssociatedURLLoaderImpl_h |
| |
| #include "platform/heap/Handle.h" |
| #include "public/web/WebAssociatedURLLoader.h" |
| #include "public/web/WebAssociatedURLLoaderOptions.h" |
| #include "wtf/Noncopyable.h" |
| #include "wtf/RefPtr.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class DocumentThreadableLoader; |
| class WebAssociatedURLLoaderClient; |
| class WebLocalFrameImpl; |
| |
| // This class is used to implement WebFrame::createAssociatedURLLoader. |
| class WebAssociatedURLLoaderImpl final : public WebAssociatedURLLoader { |
| WTF_MAKE_NONCOPYABLE(WebAssociatedURLLoaderImpl); |
| |
| public: |
| WebAssociatedURLLoaderImpl(WebLocalFrameImpl*, |
| const WebAssociatedURLLoaderOptions&); |
| ~WebAssociatedURLLoaderImpl(); |
| |
| void loadAsynchronously(const WebURLRequest&, |
| WebAssociatedURLLoaderClient*) 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(); |
| |
| WebAssociatedURLLoaderClient* releaseClient() { |
| WebAssociatedURLLoaderClient* client = m_client; |
| m_client = nullptr; |
| return client; |
| } |
| |
| WebAssociatedURLLoaderClient* m_client; |
| WebAssociatedURLLoaderOptions m_options; |
| |
| // An adapter which converts the DocumentThreadableLoaderClient method |
| // calls into the WebURLLoaderClient method calls. |
| std::unique_ptr<ClientAdapter> m_clientAdapter; |
| Persistent<DocumentThreadableLoader> m_loader; |
| |
| // A ContextLifecycleObserver for cancelling |m_loader| when the Document |
| // is detached. |
| Persistent<Observer> m_observer; |
| }; |
| |
| } // namespace blink |
| |
| #endif |