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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 COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_RULESET_SERVICE_DE
LEGATE_H_ | |
| 6 #define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_RULESET_SERVICE_DE
LEGATE_H_ | |
| 7 | |
| 8 #include "base/callback.h" | |
| 9 #include "base/files/file.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "components/subresource_filter/core/browser/ruleset_service_delegate.h" | |
| 12 #include "content/public/browser/notification_observer.h" | |
| 13 #include "content/public/browser/notification_registrar.h" | |
| 14 | |
| 15 namespace subresource_filter { | |
| 16 | |
| 17 // The content-layer specific implementation of RulesetServiceDelegate. | |
| 18 // | |
| 19 // Its main responsibility is receiving new versions of subresource filtering | |
| 20 // rules from the RulesetService, and distributing them to renderer processes, | |
| 21 // where they will be memory-mapped as-needed by the UnverifiedRulesetDealer. | |
| 22 // | |
| 23 // The distribution pipeline looks like this: | |
| 24 // | |
| 25 // RulesetService | |
| 26 // | | |
| 27 // v Browser | |
| 28 // RulesetServiceDelegate | |
| 29 // | | | |
| 30 // - - - - - - -|- - - - - - - |- - - - - - - - - - | |
| 31 // | | | | |
| 32 // v v | |
| 33 // *RulesetDealer | *RulesetDealer | |
| 34 // | | | | |
| 35 // | | | v | |
| 36 // v | SubresourceFilterAgent | |
| 37 // SubresourceFilterAgent | v | |
| 38 // SubresourceFilterAgent | |
| 39 // | | |
| 40 // | |
| 41 // Renderer #1 | Renderer #n | |
| 42 // | |
| 43 // Note: UnverifiedRulesetDealer is shortened to *RulesetDealer above. There is | |
| 44 // also a VerifiedRulesetDealer which is used similarly on the browser side. | |
| 45 class ContentRulesetServiceDelegate : public RulesetServiceDelegate, | |
| 46 content::NotificationObserver { | |
| 47 public: | |
| 48 ContentRulesetServiceDelegate(); | |
| 49 ~ContentRulesetServiceDelegate() override; | |
| 50 | |
| 51 void SetRulesetPublishedCallbackForTesting(base::Closure callback); | |
| 52 | |
| 53 // RulesetServiceDelegate: | |
| 54 void PostAfterStartupTask(base::Closure task) override; | |
| 55 void PublishNewRulesetVersion(base::File ruleset_data) override; | |
| 56 | |
| 57 private: | |
| 58 // content::NotificationObserver: | |
| 59 void Observe(int type, | |
| 60 const content::NotificationSource& source, | |
| 61 const content::NotificationDetails& details) override; | |
| 62 | |
| 63 content::NotificationRegistrar notification_registrar_; | |
| 64 base::File ruleset_data_; | |
| 65 base::Closure ruleset_published_callback_; | |
| 66 | |
| 67 DISALLOW_COPY_AND_ASSIGN(ContentRulesetServiceDelegate); | |
| 68 }; | |
| 69 | |
| 70 } // namespace subresource_filter | |
| 71 | |
| 72 #endif // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_RULESET_SERVICE
_DELEGATE_H_ | |
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Chromium Code Reviews
Issue 2731283009:
Swap ownership of RulesetService and the content delegate (Closed)
