| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef EXTENSIONS_COMMON_EVENT_MATCHER_H_ |
| #define EXTENSIONS_COMMON_EVENT_MATCHER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/values.h" |
| |
| namespace extensions { |
| struct EventFilteringInfo; |
| |
| extern const char kEventFilterServiceTypeKey[]; |
| |
| // Matches EventFilteringInfos against a set of criteria. This is intended to |
| // be used by EventFilter which performs efficient URL matching across |
| // potentially many EventMatchers itself. This is why this class only exposes |
| // MatchNonURLCriteria() - URL matching is handled by EventFilter. |
| class EventMatcher { |
| public: |
| EventMatcher(std::unique_ptr<base::DictionaryValue> filter, int routing_id); |
| ~EventMatcher(); |
| |
| // Returns true if |event_info| satisfies this matcher's criteria, not taking |
| // into consideration any URL criteria. |
| bool MatchNonURLCriteria(const EventFilteringInfo& event_info) const; |
| |
| int GetURLFilterCount() const; |
| bool GetURLFilter(int i, base::DictionaryValue** url_filter_out); |
| |
| int GetWindowTypeCount() const; |
| bool GetWindowType(int i, std::string* window_type_out) const; |
| |
| std::string GetServiceTypeFilter() const; |
| |
| bool HasURLFilters() const; |
| |
| bool HasWindowTypes() const; |
| |
| int GetInstanceID() const; |
| |
| int GetRoutingID() const; |
| |
| base::DictionaryValue* value() const { |
| return filter_.get(); |
| } |
| |
| private: |
| // Contains a dictionary that corresponds to a single event filter, eg: |
| // |
| // {url: [{hostSuffix: 'google.com'}]} |
| // |
| // The valid filter keys are event-specific. |
| const std::unique_ptr<base::DictionaryValue> filter_; |
| |
| const int routing_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(EventMatcher); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_COMMON_EVENT_MATCHER_H_ |