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 3 // found in the LICENSE file. 4 5 #ifndef EXTENSIONS_COMMON_EVENT_FILTERING_INFO_H_ 6 #define EXTENSIONS_COMMON_EVENT_FILTERING_INFO_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "url/gurl.h" 10 11 namespace base { 12 class Value; 13 } 14 15 namespace extensions { 16 17 // Extra information about an event that is used in event filtering. 18 // 19 // This is the information that is matched against criteria specified in JS 20 // extension event listeners. Eg: 21 // 22 // chrome.someApi.onSomeEvent.addListener(cb, 23 // {url: [{hostSuffix: 'google.com'}], 24 // tabId: 1}); 25 class EventFilteringInfo { 26 public: 27 EventFilteringInfo(); 28 ~EventFilteringInfo(); 29 void SetURL(const GURL& url); 30 void SetInstanceID(int instance_id); 31 32 bool has_url() const { return has_url_; } 33 const GURL& url() const { return url_; } 34 35 bool has_instance_id() const { return has_instance_id_; } 36 int instance_id() const { return instance_id_; } 37 38 scoped_ptr<base::Value> AsValue() const; 39 bool IsEmpty() const; 40 41 private: 42 bool has_url_; 43 GURL url_; 44 45 bool has_instance_id_; 46 int instance_id_; 47 48 // Allow implicit copy and assignment. 49 }; 50 51 } // namespace extensions 52 53 #endif // EXTENSIONS_COMMON_EVENT_FILTERING_INFO_H_ 54