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1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 5 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
7 | 7 |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/memory/ref_counted.h" | |
9 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
11 #include "base/time/time.h" | |
12 #include "content/browser/appcache/appcache_entry.h" | |
10 #include "content/browser/appcache/appcache_job.h" | 13 #include "content/browser/appcache/appcache_job.h" |
14 #include "content/browser/appcache/appcache_response.h" | |
15 #include "content/browser/appcache/appcache_storage.h" | |
16 #include "content/browser/loader/url_loader_request_handler.h" | |
11 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
18 #include "content/common/resource_request.h" | |
19 #include "content/common/url_loader.mojom.h" | |
20 #include "mojo/public/cpp/bindings/binding.h" | |
21 #include "mojo/public/cpp/system/data_pipe.h" | |
12 | 22 |
13 namespace content { | 23 namespace content { |
14 | 24 |
15 class AppCacheHost; | |
16 class AppCacheRequest; | 25 class AppCacheRequest; |
17 class AppCacheStorage; | 26 class NetToMojoPendingBuffer; |
18 | 27 |
19 // AppCacheJob wrapper for a mojom::URLLoader implementation which returns | 28 // AppCacheJob wrapper for a mojom::URLLoader implementation which returns |
20 // responses stored in the AppCache. | 29 // responses stored in the AppCache. |
21 class CONTENT_EXPORT AppCacheURLLoaderJob : public AppCacheJob { | 30 class CONTENT_EXPORT AppCacheURLLoaderJob : public AppCacheJob, |
31 public AppCacheStorage::Delegate, | |
32 public mojom::URLLoader { | |
22 public: | 33 public: |
23 ~AppCacheURLLoaderJob() override; | 34 ~AppCacheURLLoaderJob() override; |
24 | 35 |
36 // Sets up the bindings. | |
37 void Start(mojom::URLLoaderRequest request, | |
38 mojom::URLLoaderClientPtr client); | |
39 | |
25 // AppCacheJob overrides. | 40 // AppCacheJob overrides. |
26 void Kill() override; | 41 void Kill() override; |
27 bool IsStarted() const override; | 42 bool IsStarted() const override; |
28 bool IsWaiting() const override; | |
29 bool IsDeliveringAppCacheResponse() const override; | |
30 bool IsDeliveringNetworkResponse() const override; | |
31 bool IsDeliveringErrorResponse() const override; | |
32 bool IsCacheEntryNotFound() const override; | |
33 void DeliverAppCachedResponse(const GURL& manifest_url, | 43 void DeliverAppCachedResponse(const GURL& manifest_url, |
34 int64_t cache_id, | 44 int64_t cache_id, |
35 const AppCacheEntry& entry, | 45 const AppCacheEntry& entry, |
36 bool is_fallback) override; | 46 bool is_fallback) override; |
37 void DeliverNetworkResponse() override; | 47 void DeliverNetworkResponse() override; |
38 void DeliverErrorResponse() override; | 48 void DeliverErrorResponse() override; |
39 const GURL& GetURL() const override; | 49 const GURL& GetURL() const override; |
50 AppCacheURLLoaderJob* AsURLLoaderJob() override; | |
51 | |
52 // mojom::URLLoader implementation: | |
53 void FollowRedirect() override; | |
54 void SetPriority(net::RequestPriority priority, | |
55 int32_t intra_priority_value) override; | |
56 | |
57 void set_loader_callback(LoaderCallback callback) { | |
58 loader_callback_ = std::move(callback); | |
59 } | |
40 | 60 |
41 protected: | 61 protected: |
42 // AppCacheJob::Create() creates this instance. | 62 // AppCacheJob::Create() creates this instance. |
43 friend class AppCacheJob; | 63 friend class AppCacheJob; |
44 | 64 |
45 AppCacheURLLoaderJob(); | 65 AppCacheURLLoaderJob(const ResourceRequest& request, |
66 AppCacheStorage* storage); | |
46 | 67 |
47 GURL url_; | 68 // AppCacheStorage::Delegate methods |
69 void OnResponseInfoLoaded(AppCacheResponseInfo* response_info, | |
70 int64_t response_id) override; | |
71 void OnCacheLoaded(AppCache* cache, int64_t cache_id) override; | |
michaeln
2017/06/09 19:59:54
the OnCacheLoaded method isn't needed in this clas
ananta
2017/06/09 20:39:33
Thanks done.
| |
72 | |
73 // AppCacheResponseReader completion callback | |
74 void OnReadComplete(int result); | |
75 | |
76 void OnConnectionError(); | |
77 | |
78 // Helper to send the AppCacheResponseInfo to the URLLoaderClient. | |
79 void SendResponseInfo(); | |
80 | |
81 // Helper function to read the data from the AppCache. | |
82 void ReadMore(); | |
83 | |
84 // Callback invoked when the data pipe can be written to. | |
85 void OnResponseBodyStreamReady(MojoResult result); | |
86 | |
87 // Notifies the client about request completion. | |
88 void NotifyCompleted(int error_code); | |
89 | |
90 // The current request. | |
91 ResourceRequest request_; | |
92 | |
93 AppCacheStorage* storage_; | |
94 | |
95 // The response details. | |
96 scoped_refptr<AppCacheResponseInfo> info_; | |
97 | |
98 // Used to read the cache. | |
99 std::unique_ptr<AppCacheResponseReader> reader_; | |
100 | |
101 // Time when the request started. | |
102 base::TimeTicks start_time_tick_; | |
103 | |
104 // The AppCache manifest URL. | |
105 GURL manifest_url_; | |
106 | |
107 // The AppCache id. | |
108 int64_t cache_id_; | |
109 | |
110 AppCacheEntry entry_; | |
111 | |
112 // Set to true if we are loading fallback content. | |
113 bool is_fallback_; | |
114 | |
115 // The data pipe used to transfer AppCache data to the client. | |
116 mojo::DataPipe data_pipe_; | |
117 | |
118 // Binds the URLLoaderClient with us. | |
119 mojo::Binding<mojom::URLLoader> binding_; | |
120 | |
121 // The URLLoaderClient pointer. We call this interface with notifications | |
122 // about the URL load | |
123 mojom::URLLoaderClientPtr client_info_; | |
124 | |
125 // mojo data pipe entities. | |
126 mojo::ScopedDataPipeProducerHandle response_body_stream_; | |
127 | |
128 scoped_refptr<NetToMojoPendingBuffer> pending_write_; | |
129 | |
130 mojo::SimpleWatcher writable_handle_watcher_; | |
131 | |
132 // The Callback to be invoked in the network service land to indicate if | |
133 // the request can be serviced via the AppCache. | |
134 LoaderCallback loader_callback_; | |
48 | 135 |
49 DISALLOW_COPY_AND_ASSIGN(AppCacheURLLoaderJob); | 136 DISALLOW_COPY_AND_ASSIGN(AppCacheURLLoaderJob); |
50 }; | 137 }; |
51 | 138 |
52 } // namespace content | 139 } // namespace content |
53 | 140 |
54 #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 141 #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
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