| // Copyright (c) 2013 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 CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_ |
| #define CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "content/browser/loader/resource_handler.h" |
| #include "content/browser/streams/stream_write_observer.h" |
| #include "url/gurl.h" |
| |
| namespace net { |
| class URLRequest; |
| } // namespace net |
| |
| namespace content { |
| |
| class StreamRegistry; |
| |
| // Redirect this resource to a stream. |
| class StreamResourceHandler : public StreamWriteObserver, |
| public ResourceHandler { |
| public: |
| // |origin| will be used to construct the URL for the Stream. See |
| // WebCore::BlobURL and and WebCore::SecurityOrigin in Blink to understand |
| // how origin check is done on resource loading. |
| StreamResourceHandler(net::URLRequest* request, |
| StreamRegistry* registry, |
| const GURL& origin); |
| virtual ~StreamResourceHandler(); |
| |
| virtual bool OnUploadProgress(uint64 position, uint64 size) OVERRIDE; |
| |
| // Not needed, as this event handler ought to be the final resource. |
| virtual bool OnRequestRedirected(const net::RedirectInfo& redirect_info, |
| ResourceResponse* resp, |
| bool* defer) OVERRIDE; |
| |
| virtual bool OnResponseStarted(ResourceResponse* resp, |
| bool* defer) OVERRIDE; |
| |
| virtual bool OnWillStart(const GURL& url, bool* defer) OVERRIDE; |
| |
| virtual bool OnBeforeNetworkStart(const GURL& url, bool* defer) OVERRIDE; |
| |
| // Create a new buffer to store received data. |
| virtual bool OnWillRead(scoped_refptr<net::IOBuffer>* buf, |
| int* buf_size, |
| int min_size) OVERRIDE; |
| |
| // A read was completed, forward the data to the Stream. |
| virtual bool OnReadCompleted(int bytes_read, bool* defer) OVERRIDE; |
| |
| virtual void OnResponseCompleted(const net::URLRequestStatus& status, |
| const std::string& sec_info, |
| bool* defer) OVERRIDE; |
| |
| virtual void OnDataDownloaded(int bytes_downloaded) OVERRIDE; |
| |
| Stream* stream() { return stream_.get(); } |
| |
| private: |
| virtual void OnSpaceAvailable(Stream* stream) OVERRIDE; |
| virtual void OnClose(Stream* stream) OVERRIDE; |
| |
| scoped_refptr<Stream> stream_; |
| scoped_refptr<net::IOBuffer> read_buffer_; |
| DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_ |