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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_BROWSER_LOADER_MOJO_ASYNC_RESOURCE_HANDLER_H_ | |
6 #define CONTENT_BROWSER_LOADER_MOJO_ASYNC_RESOURCE_HANDLER_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <memory> | |
11 #include <string> | |
12 | |
13 #include "base/macros.h" | |
14 #include "base/memory/ref_counted.h" | |
15 #include "base/timer/timer.h" | |
16 #include "content/browser/loader/resource_handler.h" | |
17 #include "content/common/url_loader.mojom.h" | |
18 #include "mojo/message_pump/handle_watcher.h" | |
19 #include "mojo/public/cpp/system/data_pipe.h" | |
20 #include "net/base/io_buffer.h" | |
21 #include "url/gurl.h" | |
22 | |
23 namespace net { | |
24 class URLRequest; | |
25 } | |
26 | |
27 namespace content { | |
28 class ResourceDispatcherHostImpl; | |
29 | |
30 // Used to complete an asynchronous resource request in response to resource | |
31 // load events from the resource dispatcher host. This class is used only | |
32 // when LoadingWithMojo runtime enabled flag is enabled. | |
mmenke
2016/05/26 21:46:09
Could you add TODOs about what this does not yet s
yhirano
2016/05/27 11:30:34
Done.
| |
33 class MojoAsyncResourceHandler : public ResourceHandler { | |
34 public: | |
35 MojoAsyncResourceHandler(net::URLRequest* request, | |
36 ResourceDispatcherHostImpl* rdh, | |
37 std::unique_ptr<mojom::URLLoader> url_loader, | |
38 mojom::URLLoaderClientPtr url_loader_client); | |
39 ~MojoAsyncResourceHandler() override; | |
40 | |
41 // ResourceHandler implementation: | |
42 bool OnRequestRedirected(const net::RedirectInfo& redirect_info, | |
43 ResourceResponse* response, | |
44 bool* defer) override; | |
45 bool OnResponseStarted(ResourceResponse* response, bool* defer) override; | |
46 bool OnWillStart(const GURL& url, bool* defer) override; | |
47 bool OnBeforeNetworkStart(const GURL& url, bool* defer) override; | |
48 bool OnWillRead(scoped_refptr<net::IOBuffer>* buf, | |
49 int* buf_size, | |
50 int min_size) override; | |
51 bool OnReadCompleted(int bytes_read, bool* defer) override; | |
52 void OnResponseCompleted(const net::URLRequestStatus& status, | |
53 const std::string& security_info, | |
54 bool* defer) override; | |
55 void OnDataDownloaded(int bytes_downloaded) override; | |
56 | |
57 private: | |
58 // IPC message handlers: | |
59 void OnFollowRedirect(int request_id); | |
60 | |
61 void ResumeIfDeferred(); | |
62 void OnDefer(); | |
63 bool CheckForSufficientResource(); | |
64 void OnWritable(MojoResult result); | |
65 | |
66 ResourceDispatcherHostImpl* rdh_; | |
67 | |
68 bool did_defer_ = false; | |
69 bool has_checked_for_sufficient_resources_ = false; | |
70 bool sent_received_response_message_ = false; | |
71 base::TimeTicks response_started_ticks_; | |
72 | |
73 mojo::ScopedDataPipeProducerHandle writer_; | |
74 mojo::common::HandleWatcher handle_watcher_; | |
75 std::unique_ptr<mojom::URLLoader> url_loader_; | |
76 mojom::URLLoaderClientPtr url_loader_client_; | |
77 | |
78 DISALLOW_COPY_AND_ASSIGN(MojoAsyncResourceHandler); | |
79 }; | |
80 | |
81 } // namespace content | |
82 | |
83 #endif // CONTENT_BROWSER_LOADER_MOJO_ASYNC_RESOURCE_HANDLER_H_ | |
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