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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // Provides global database of differential decompression dictionaries for the | 5 // Provides global database of differential decompression dictionaries for the |
6 // SDCH filter (processes sdch enconded content). | 6 // SDCH filter (processes sdch enconded content). |
7 | 7 |
8 // Exactly one instance of SdchManager is built, and all references are made | 8 // Exactly one instance of SdchManager is built, and all references are made |
9 // into that collection. | 9 // into that collection. |
10 // | 10 // |
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33 #include "url/gurl.h" | 33 #include "url/gurl.h" |
34 | 34 |
35 namespace net { | 35 namespace net { |
36 | 36 |
37 //------------------------------------------------------------------------------ | 37 //------------------------------------------------------------------------------ |
38 // Create a public interface to help us load SDCH dictionaries. | 38 // Create a public interface to help us load SDCH dictionaries. |
39 // The SdchManager class allows registration to support this interface. | 39 // The SdchManager class allows registration to support this interface. |
40 // A browser may register a fetcher that is used by the dictionary managers to | 40 // A browser may register a fetcher that is used by the dictionary managers to |
41 // get data from a specified URL. This allows us to use very high level browser | 41 // get data from a specified URL. This allows us to use very high level browser |
42 // functionality in this base (when the functionaity can be provided). | 42 // functionality in this base (when the functionaity can be provided). |
43 class SdchFetcher { | 43 class NET_EXPORT SdchFetcher { |
44 public: | 44 public: |
45 SdchFetcher() {} | 45 SdchFetcher() {} |
46 virtual ~SdchFetcher() {} | 46 virtual ~SdchFetcher() {} |
47 | 47 |
48 // The Schedule() method is called when there is a need to get a dictionary | 48 // The Schedule() method is called when there is a need to get a dictionary |
49 // from a server. The callee is responsible for getting that dictionary_text, | 49 // from a server. The callee is responsible for getting that dictionary_text, |
50 // and then calling back to AddSdchDictionary() to the SdchManager instance. | 50 // and then calling back to AddSdchDictionary() to the SdchManager instance. |
51 virtual void Schedule(const GURL& dictionary_url) = 0; | 51 virtual void Schedule(const GURL& dictionary_url) = 0; |
52 | 52 |
53 // The Cancel() method is called to cancel all pending dictionary fetches. | 53 // The Cancel() method is called to cancel all pending dictionary fetches. |
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369 // List of hostnames for which a latency experiment is allowed (because a | 369 // List of hostnames for which a latency experiment is allowed (because a |
370 // round trip test has recently passed). | 370 // round trip test has recently passed). |
371 ExperimentSet allow_latency_experiment_; | 371 ExperimentSet allow_latency_experiment_; |
372 | 372 |
373 DISALLOW_COPY_AND_ASSIGN(SdchManager); | 373 DISALLOW_COPY_AND_ASSIGN(SdchManager); |
374 }; | 374 }; |
375 | 375 |
376 } // namespace net | 376 } // namespace net |
377 | 377 |
378 #endif // NET_BASE_SDCH_MANAGER_H_ | 378 #endif // NET_BASE_SDCH_MANAGER_H_ |
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