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 CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_ 6 #define CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_ 7 8 #include <map> 9 #include <set> 10 #include <string> 11 12 #include "base/basictypes.h" 13 #include "url/gurl.h" 14 15 namespace extensions { 16 17 // To save on server resources we can request updates for multiple extensions 18 // in one manifest check. This class helps us keep track of the id's for a 19 // given fetch, building up the actual URL, and what if anything to include 20 // in the ping parameter. 21 class ManifestFetchData { 22 public: 23 static const int kNeverPinged = -1; 24 25 // Each ping type is sent at most once per day. 26 enum PingType { 27 // Used for counting total installs of an extension/app/theme. 28 ROLLCALL, 29 30 // Used for counting number of active users of an app, where "active" means 31 // the app was launched at least once since the last active ping. 32 ACTIVE, 33 }; 34 35 struct PingData { 36 // The number of days it's been since our last rollcall or active ping, 37 // respectively. These are calculated based on the start of day from the 38 // server's perspective. 39 int rollcall_days; 40 int active_days; 41 // Wether the extension is enabled or not. 42 bool is_enabled; 43 44 PingData() : rollcall_days(0), active_days(0), is_enabled(true) {} 45 PingData(int rollcall, int active, bool enabled) 46 : rollcall_days(rollcall), active_days(active), is_enabled(enabled) {} 47 }; 48 49 ManifestFetchData(const GURL& update_url, int request_id); 50 ~ManifestFetchData(); 51 52 // Returns true if this extension information was successfully added. If the 53 // return value is false it means the full_url would have become too long, and 54 // this ManifestFetchData object remains unchanged. 55 bool AddExtension(const std::string& id, 56 const std::string& version, 57 const PingData* ping_data, 58 const std::string& update_url_data, 59 const std::string& install_source); 60 61 const GURL& base_url() const { return base_url_; } 62 const GURL& full_url() const { return full_url_; } 63 const std::set<std::string>& extension_ids() const { return extension_ids_; } 64 const std::set<int>& request_ids() const { return request_ids_; } 65 66 // Returns true if the given id is included in this manifest fetch. 67 bool Includes(const std::string& extension_id) const; 68 69 // Returns true if a ping parameter for |type| was added to full_url for this 70 // extension id. 71 bool DidPing(const std::string& extension_id, PingType type) const; 72 73 // Assuming that both this ManifestFetchData and |other| have the same 74 // full_url, this method merges the other information associated with the 75 // fetch (in particular this adds all request ids associated with |other| 76 // to this ManifestFetchData). 77 void Merge(const ManifestFetchData& other); 78 79 private: 80 // The set of extension id's for this ManifestFetchData. 81 std::set<std::string> extension_ids_; 82 83 // The set of ping data we actually sent. 84 std::map<std::string, PingData> pings_; 85 86 // The base update url without any arguments added. 87 GURL base_url_; 88 89 // The base update url plus arguments indicating the id, version, etc. 90 // information about each extension. 91 GURL full_url_; 92 93 // The set of request ids associated with this manifest fetch. If multiple 94 // requests are trying to fetch the same manifest, they can be merged into 95 // one fetch, so potentially multiple request ids can get associated with 96 // one ManifestFetchData. 97 std::set<int> request_ids_; 98 99 DISALLOW_COPY_AND_ASSIGN(ManifestFetchData); 100 }; 101 102 } // namespace extensions 103 104 #endif // CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_ 105
