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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 #ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_R
EGISTRY_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_R
EGISTRY_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_R
EGISTRY_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_R
EGISTRY_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <string> | 10 #include <string> |
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| 43 class URLRequest; | 43 class URLRequest; |
| 44 } | 44 } |
| 45 | 45 |
| 46 namespace extensions { | 46 namespace extensions { |
| 47 | 47 |
| 48 // The ChromeContentRulesRegistry is responsible for managing | 48 // The ChromeContentRulesRegistry is responsible for managing |
| 49 // the internal representation of rules for the Declarative Content API. | 49 // the internal representation of rules for the Declarative Content API. |
| 50 // | 50 // |
| 51 // Here is the high level overview of this functionality: | 51 // Here is the high level overview of this functionality: |
| 52 // | 52 // |
| 53 // core_api::events::Rule consists of conditions and actions, these are | 53 // api::events::Rule consists of conditions and actions, these are |
| 54 // represented as a ContentRule with ContentConditions and ContentRuleActions. | 54 // represented as a ContentRule with ContentConditions and ContentRuleActions. |
| 55 // | 55 // |
| 56 // The evaluation of URL related condition attributes (host_suffix, path_prefix) | 56 // The evaluation of URL related condition attributes (host_suffix, path_prefix) |
| 57 // is delegated to a URLMatcher, because this is capable of evaluating many | 57 // is delegated to a URLMatcher, because this is capable of evaluating many |
| 58 // of such URL related condition attributes in parallel. | 58 // of such URL related condition attributes in parallel. |
| 59 // | 59 // |
| 60 // A note on incognito support: separate instances of ChromeContentRulesRegistry | 60 // A note on incognito support: separate instances of ChromeContentRulesRegistry |
| 61 // are created for incognito and non-incognito contexts. The incognito instance, | 61 // are created for incognito and non-incognito contexts. The incognito instance, |
| 62 // however, is only responsible for applying rules registered by the incognito | 62 // however, is only responsible for applying rules registered by the incognito |
| 63 // side of split-mode extensions to incognito tabs. The non-incognito instance | 63 // side of split-mode extensions to incognito tabs. The non-incognito instance |
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| 77 void MonitorWebContentsForRuleEvaluation( | 77 void MonitorWebContentsForRuleEvaluation( |
| 78 content::WebContents* contents) override; | 78 content::WebContents* contents) override; |
| 79 void DidNavigateMainFrame( | 79 void DidNavigateMainFrame( |
| 80 content::WebContents* tab, | 80 content::WebContents* tab, |
| 81 const content::LoadCommittedDetails& details, | 81 const content::LoadCommittedDetails& details, |
| 82 const content::FrameNavigateParams& params) override; | 82 const content::FrameNavigateParams& params) override; |
| 83 | 83 |
| 84 // RulesRegistry: | 84 // RulesRegistry: |
| 85 std::string AddRulesImpl( | 85 std::string AddRulesImpl( |
| 86 const std::string& extension_id, | 86 const std::string& extension_id, |
| 87 const std::vector<linked_ptr<core_api::events::Rule>>& rules) override; | 87 const std::vector<linked_ptr<api::events::Rule>>& rules) override; |
| 88 std::string RemoveRulesImpl( | 88 std::string RemoveRulesImpl( |
| 89 const std::string& extension_id, | 89 const std::string& extension_id, |
| 90 const std::vector<std::string>& rule_identifiers) override; | 90 const std::vector<std::string>& rule_identifiers) override; |
| 91 std::string RemoveAllRulesImpl(const std::string& extension_id) override; | 91 std::string RemoveAllRulesImpl(const std::string& extension_id) override; |
| 92 | 92 |
| 93 // content::NotificationObserver: | 93 // content::NotificationObserver: |
| 94 void Observe(int type, | 94 void Observe(int type, |
| 95 const content::NotificationSource& source, | 95 const content::NotificationSource& source, |
| 96 const content::NotificationDetails& details) override; | 96 const content::NotificationDetails& details) override; |
| 97 | 97 |
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| 149 IGNORE_REQUESTS // Ignore. | 149 IGNORE_REQUESTS // Ignore. |
| 150 }; | 150 }; |
| 151 | 151 |
| 152 class EvaluationScope; | 152 class EvaluationScope; |
| 153 | 153 |
| 154 // Creates a ContentRule for |extension| given a json definition. The format | 154 // Creates a ContentRule for |extension| given a json definition. The format |
| 155 // of each condition and action's json is up to the specific ContentCondition | 155 // of each condition and action's json is up to the specific ContentCondition |
| 156 // and ContentAction. |extension| may be NULL in tests. If |error| is empty, | 156 // and ContentAction. |extension| may be NULL in tests. If |error| is empty, |
| 157 // the translation was successful and the returned rule is internally | 157 // the translation was successful and the returned rule is internally |
| 158 // consistent. | 158 // consistent. |
| 159 scoped_ptr<const ContentRule> CreateRule( | 159 scoped_ptr<const ContentRule> CreateRule(const Extension* extension, |
| 160 const Extension* extension, | 160 const api::events::Rule& api_rule, |
| 161 const core_api::events::Rule& api_rule, | 161 std::string* error); |
| 162 std::string* error); | |
| 163 | 162 |
| 164 // True if this object is managing the rules for |context|. | 163 // True if this object is managing the rules for |context|. |
| 165 bool ManagingRulesForBrowserContext(content::BrowserContext* context); | 164 bool ManagingRulesForBrowserContext(content::BrowserContext* context); |
| 166 | 165 |
| 167 std::set<const ContentRule*> GetMatches( | 166 std::set<const ContentRule*> GetMatches( |
| 168 const RendererContentMatchData& renderer_data, | 167 const RendererContentMatchData& renderer_data, |
| 169 bool is_incognito_renderer) const; | 168 bool is_incognito_renderer) const; |
| 170 | 169 |
| 171 // Updates the condition evaluator with the current watched CSS selectors. | 170 // Updates the condition evaluator with the current watched CSS selectors. |
| 172 void UpdateCssSelectorsFromRules(); | 171 void UpdateCssSelectorsFromRules(); |
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| 215 | 214 |
| 216 // Manages our notification registrations. | 215 // Manages our notification registrations. |
| 217 content::NotificationRegistrar registrar_; | 216 content::NotificationRegistrar registrar_; |
| 218 | 217 |
| 219 DISALLOW_COPY_AND_ASSIGN(ChromeContentRulesRegistry); | 218 DISALLOW_COPY_AND_ASSIGN(ChromeContentRulesRegistry); |
| 220 }; | 219 }; |
| 221 | 220 |
| 222 } // namespace extensions | 221 } // namespace extensions |
| 223 | 222 |
| 224 #endif // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULE
S_REGISTRY_H_ | 223 #endif // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULE
S_REGISTRY_H_ |
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