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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ | 5 #ifndef EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ |
6 #define EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ | 6 #define EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <set> | 10 #include <set> |
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131 std::set<const EventListener*> GetEventListeners(const Event& event); | 131 std::set<const EventListener*> GetEventListeners(const Event& event); |
132 | 132 |
133 const ListenerList& GetEventListenersByName(const std::string& event_name) { | 133 const ListenerList& GetEventListenersByName(const std::string& event_name) { |
134 return listeners_[event_name]; | 134 return listeners_[event_name]; |
135 } | 135 } |
136 | 136 |
137 // Removes all listeners with process equal to |process|. | 137 // Removes all listeners with process equal to |process|. |
138 void RemoveListenersForProcess(const content::RenderProcessHost* process); | 138 void RemoveListenersForProcess(const content::RenderProcessHost* process); |
139 | 139 |
140 // Returns true if there are any listeners on the event named |event_name|. | 140 // Returns true if there are any listeners on the event named |event_name|. |
141 bool HasListenerForEvent(const std::string& event_name); | 141 bool HasListenerForEvent(const std::string& event_name) const; |
142 | 142 |
143 // Returns true if there are any listeners on |event_name| from | 143 // Returns true if there are any listeners on |event_name| from |
144 // |extension_id|. | 144 // |extension_id|. |
145 bool HasListenerForExtension(const std::string& extension_id, | 145 bool HasListenerForExtension(const std::string& extension_id, |
146 const std::string& event_name); | 146 const std::string& event_name) const; |
147 | 147 |
148 // Returns true if this map contains an EventListener that .Equals() | 148 // Returns true if this map contains an EventListener that .Equals() |
149 // |listener|. | 149 // |listener|. |
150 bool HasListener(const EventListener* listener); | 150 bool HasListener(const EventListener* listener) const; |
151 | 151 |
152 // Returns true if there is a listener for |extension_id| in |process|. | 152 // Returns true if there is a listener for |extension_id| in |process|. |
153 bool HasProcessListener(content::RenderProcessHost* process, | 153 bool HasProcessListener(content::RenderProcessHost* process, |
154 const std::string& extension_id); | 154 const std::string& extension_id) const; |
155 | 155 |
156 // Removes any listeners that |extension_id| has added, both lazy and regular. | 156 // Removes any listeners that |extension_id| has added, both lazy and regular. |
157 void RemoveListenersForExtension(const std::string& extension_id); | 157 void RemoveListenersForExtension(const std::string& extension_id); |
158 | 158 |
159 // Adds unfiltered lazy listeners as described their serialised descriptions. | 159 // Adds unfiltered lazy listeners as described their serialised descriptions. |
160 // |event_names| the names of the lazy events. | 160 // |event_names| the names of the lazy events. |
161 // Note that we can only load lazy listeners in this fashion, because there | 161 // Note that we can only load lazy listeners in this fashion, because there |
162 // is no way to serialise a RenderProcessHost*. | 162 // is no way to serialise a RenderProcessHost*. |
163 void LoadUnfilteredLazyListeners(const std::string& extension_id, | 163 void LoadUnfilteredLazyListeners(const std::string& extension_id, |
164 const std::set<std::string>& event_names); | 164 const std::set<std::string>& event_names); |
165 | 165 |
166 // Adds filtered lazy listeners as described their serialised descriptions. | 166 // Adds filtered lazy listeners as described their serialised descriptions. |
167 // |filtered| contains a map from event names to filters, each pairing | 167 // |filtered| contains a map from event names to filters, each pairing |
168 // defining a lazy filtered listener. | 168 // defining a lazy filtered listener. |
169 void LoadFilteredLazyListeners( | 169 void LoadFilteredLazyListeners( |
170 const std::string& extension_id, | 170 const std::string& extension_id, |
171 const base::DictionaryValue& filtered); | 171 const base::DictionaryValue& filtered); |
172 | 172 |
173 private: | 173 private: |
174 // The key here is an event name. | 174 // The key here is an event name. |
175 typedef std::map<std::string, ListenerList> ListenerMap; | 175 using ListenerMap = std::map<std::string, ListenerList>; |
176 | 176 |
177 void CleanupListener(EventListener* listener); | 177 void CleanupListener(EventListener* listener); |
178 bool IsFilteredEvent(const Event& event) const; | 178 bool IsFilteredEvent(const Event& event) const; |
179 std::unique_ptr<EventMatcher> ParseEventMatcher( | 179 std::unique_ptr<EventMatcher> ParseEventMatcher( |
180 base::DictionaryValue* filter_dict); | 180 base::DictionaryValue* filter_dict); |
181 | 181 |
182 // Listens for removals from this map. | 182 // Listens for removals from this map. |
183 Delegate* delegate_; | 183 Delegate* const delegate_; |
184 | 184 |
185 std::set<std::string> filtered_events_; | 185 std::set<std::string> filtered_events_; |
186 ListenerMap listeners_; | 186 ListenerMap listeners_; |
187 | 187 |
188 std::map<EventFilter::MatcherID, EventListener*> listeners_by_matcher_id_; | 188 std::map<EventFilter::MatcherID, EventListener*> listeners_by_matcher_id_; |
189 | 189 |
190 EventFilter event_filter_; | 190 EventFilter event_filter_; |
191 | 191 |
192 DISALLOW_COPY_AND_ASSIGN(EventListenerMap); | 192 DISALLOW_COPY_AND_ASSIGN(EventListenerMap); |
193 }; | 193 }; |
194 | 194 |
195 } // namespace extensions | 195 } // namespace extensions |
196 | 196 |
197 #endif // EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ | 197 #endif // EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_ |
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