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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 #include "components/web_resource/web_resource_service.h" | 5 #include "components/web_resource/web_resource_service.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/prefs/pref_service.h" | 9 #include "base/prefs/pref_service.h" |
10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
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71 | 71 |
72 if (source->GetStatus().is_success() && source->GetResponseCode() == 200) { | 72 if (source->GetStatus().is_success() && source->GetResponseCode() == 200) { |
73 std::string data; | 73 std::string data; |
74 source->GetResponseAsString(&data); | 74 source->GetResponseAsString(&data); |
75 // Calls EndFetch() on completion. | 75 // Calls EndFetch() on completion. |
76 // Full JSON parsing might spawn a utility process (for security). | 76 // Full JSON parsing might spawn a utility process (for security). |
77 // To limit the the number of simultaneously active processes | 77 // To limit the the number of simultaneously active processes |
78 // (on Android in particular) we short-cut the full parsing in the case of | 78 // (on Android in particular) we short-cut the full parsing in the case of |
79 // trivially "empty" JSONs. | 79 // trivially "empty" JSONs. |
80 if (data.empty() || data == "{}") { | 80 if (data.empty() || data == "{}") { |
81 OnUnpackFinished(make_scoped_ptr(new base::DictionaryValue()).Pass()); | 81 OnUnpackFinished(make_scoped_ptr(new base::DictionaryValue())); |
82 } else { | 82 } else { |
83 parse_json_callback_.Run(data, | 83 parse_json_callback_.Run(data, |
84 base::Bind(&WebResourceService::OnUnpackFinished, | 84 base::Bind(&WebResourceService::OnUnpackFinished, |
85 weak_ptr_factory_.GetWeakPtr()), | 85 weak_ptr_factory_.GetWeakPtr()), |
86 base::Bind(&WebResourceService::OnUnpackError, | 86 base::Bind(&WebResourceService::OnUnpackError, |
87 weak_ptr_factory_.GetWeakPtr())); | 87 weak_ptr_factory_.GetWeakPtr())); |
88 } | 88 } |
89 } else { | 89 } else { |
90 // Don't parse data if attempt to download was unsuccessful. | 90 // Don't parse data if attempt to download was unsuccessful. |
91 // Stop loading new web resource data, and silently exit. | 91 // Stop loading new web resource data, and silently exit. |
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180 // Wait at least |start_fetch_delay_ms_|. | 180 // Wait at least |start_fetch_delay_ms_|. |
181 if (ms_until_update > start_fetch_delay_ms_) | 181 if (ms_until_update > start_fetch_delay_ms_) |
182 delay = ms_until_update; | 182 delay = ms_until_update; |
183 } | 183 } |
184 } | 184 } |
185 // Start fetch and wait for UpdateResourceCache. | 185 // Start fetch and wait for UpdateResourceCache. |
186 ScheduleFetch(delay); | 186 ScheduleFetch(delay); |
187 } | 187 } |
188 | 188 |
189 } // namespace web_resource | 189 } // namespace web_resource |
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