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| 1 // Copyright 2014 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 COMPONENTS_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
| 6 #define COMPONENTS_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "base/version.h" | |
| 14 #include "components/component_updater/component_updater_service.h" | |
| 15 #include "components/component_updater/crx_downloader.h" | |
| 16 | |
| 17 namespace component_updater { | |
| 18 | |
| 19 // This is the one and only per-item state structure. Designed to be hosted | |
| 20 // in a std::vector or a std::list. The two main members are |component| | |
| 21 // which is supplied by the the component updater client and |status| which | |
| 22 // is modified as the item is processed by the update pipeline. The expected | |
| 23 // transition graph is: | |
| 24 // | |
| 25 // on-demand on-demand | |
| 26 // +---------------------------> kNew <--------------+-------------+ | |
| 27 // | | | | | |
| 28 // | V | | | |
| 29 // | +--------------------> kChecking -<-------+---|---<-----+ | | |
| 30 // | | | | | | | | |
| 31 // | | error V no | | | | | |
| 32 // kNoUpdate <---------------- [update?] ->---- kUpToDate kUpdated | |
| 33 // ^ | ^ | |
| 34 // | yes | | | |
| 35 // | diff=false V | | |
| 36 // | +-----------> kCanUpdate | | |
| 37 // | | | | | |
| 38 // | | V no | | |
| 39 // | | [differential update?]->----+ | | |
| 40 // | | | | | | |
| 41 // | | yes | | | | |
| 42 // | | error V | | | |
| 43 // | +---------<- kDownloadingDiff | | | |
| 44 // | | | | | | |
| 45 // | | | | | | |
| 46 // | | error V | | | |
| 47 // | +---------<- kUpdatingDiff ->--------|-----------+ success | |
| 48 // | | | | |
| 49 // | error V | | |
| 50 // +----------------------------------------- kDownloading | | |
| 51 // | | | | |
| 52 // | error V | | |
| 53 // +------------------------------------------ kUpdating ->----+ success | |
| 54 // | |
| 55 struct CrxUpdateItem { | |
| 56 enum Status { | |
| 57 kNew, | |
| 58 kChecking, | |
| 59 kCanUpdate, | |
| 60 kDownloadingDiff, | |
| 61 kDownloading, | |
| 62 kUpdatingDiff, | |
| 63 kUpdating, | |
| 64 kUpdated, | |
| 65 kUpToDate, | |
| 66 kNoUpdate, | |
| 67 kLastStatus | |
| 68 }; | |
| 69 | |
| 70 // Call CrxUpdateService::ChangeItemState to change |status|. The function may | |
| 71 // enforce conditions or notify observers of the change. | |
| 72 Status status; | |
| 73 | |
| 74 std::string id; | |
| 75 CrxComponent component; | |
| 76 | |
| 77 base::Time last_check; | |
| 78 | |
| 79 // A component can be made available for download from several urls. | |
| 80 std::vector<GURL> crx_urls; | |
| 81 std::vector<GURL> crx_diffurls; | |
| 82 | |
| 83 // The from/to version and fingerprint values. | |
| 84 Version previous_version; | |
| 85 Version next_version; | |
| 86 std::string previous_fp; | |
| 87 std::string next_fp; | |
| 88 | |
| 89 // True if the current update check cycle is on-demand. | |
| 90 bool on_demand; | |
| 91 | |
| 92 // True if the differential update failed for any reason. | |
| 93 bool diff_update_failed; | |
| 94 | |
| 95 // The error information for full and differential updates. | |
| 96 // The |error_category| contains a hint about which module in the component | |
| 97 // updater generated the error. The |error_code| constains the error and | |
| 98 // the |extra_code1| usually contains a system error, but it can contain | |
| 99 // any extended information that is relevant to either the category or the | |
| 100 // error itself. | |
| 101 int error_category; | |
| 102 int error_code; | |
| 103 int extra_code1; | |
| 104 int diff_error_category; | |
| 105 int diff_error_code; | |
| 106 int diff_extra_code1; | |
| 107 | |
| 108 std::vector<CrxDownloader::DownloadMetrics> download_metrics; | |
| 109 | |
| 110 std::vector<base::Closure> ready_callbacks; | |
| 111 | |
| 112 CrxUpdateItem(); | |
| 113 ~CrxUpdateItem(); | |
| 114 | |
| 115 // Function object used to find a specific component. | |
| 116 class FindById { | |
| 117 public: | |
| 118 explicit FindById(const std::string& id) : id_(id) {} | |
| 119 | |
| 120 bool operator()(CrxUpdateItem* item) const { return item->id == id_; } | |
| 121 | |
| 122 private: | |
| 123 const std::string& id_; | |
| 124 }; | |
| 125 }; | |
| 126 | |
| 127 } // namespace component_updater | |
| 128 | |
| 129 #endif // COMPONENTS_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
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Chromium Code Reviews
Issue 808773005:
Move most of the component updater artifacts to update_client. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master