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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
| 6 #define CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "base/time/time.h" | |
| 14 #include "base/version.h" | |
| 15 #include "chrome/browser/component_updater/component_updater_service.h" | |
| 16 #include "chrome/browser/component_updater/crx_downloader.h" | |
| 17 | |
| 18 namespace component_updater { | |
| 19 | |
| 20 // This is the one and only per-item state structure. Designed to be hosted | |
| 21 // in a std::vector or a std::list. The two main members are |component| | |
| 22 // which is supplied by the the component updater client and |status| which | |
| 23 // is modified as the item is processed by the update pipeline. The expected | |
| 24 // transition graph is: | |
| 25 // | |
| 26 // on-demand on-demand | |
| 27 // +---------------------------> kNew <--------------+-------------+ | |
| 28 // | | | | | |
| 29 // | V | | | |
| 30 // | +--------------------> kChecking -<-------+---|---<-----+ | | |
| 31 // | | | | | | | | |
| 32 // | | error V no | | | | | |
| 33 // kNoUpdate <---------------- [update?] ->---- kUpToDate kUpdated | |
| 34 // ^ | ^ | |
| 35 // | yes | | | |
| 36 // | diff=false V | | |
| 37 // | +-----------> kCanUpdate | | |
| 38 // | | | | | |
| 39 // | | V no | | |
| 40 // | | [differential update?]->----+ | | |
| 41 // | | | | | | |
| 42 // | | yes | | | | |
| 43 // | | error V | | | |
| 44 // | +---------<- kDownloadingDiff | | | |
| 45 // | | | | | | |
| 46 // | | | | | | |
| 47 // | | error V | | | |
| 48 // | +---------<- kUpdatingDiff ->--------|-----------+ success | |
| 49 // | | | | |
| 50 // | error V | | |
| 51 // +----------------------------------------- kDownloading | | |
| 52 // | | | | |
| 53 // | error V | | |
| 54 // +------------------------------------------ kUpdating ->----+ success | |
| 55 // | |
| 56 struct CrxUpdateItem { | |
| 57 enum Status { | |
| 58 kNew, | |
| 59 kChecking, | |
| 60 kCanUpdate, | |
| 61 kDownloadingDiff, | |
| 62 kDownloading, | |
| 63 kUpdatingDiff, | |
| 64 kUpdating, | |
| 65 kUpdated, | |
| 66 kUpToDate, | |
| 67 kNoUpdate, | |
| 68 kLastStatus | |
| 69 }; | |
| 70 | |
| 71 // Call CrxUpdateService::ChangeItemState to change |status|. The function may | |
| 72 // enforce conditions or notify observers of the change. | |
| 73 Status status; | |
| 74 | |
| 75 std::string id; | |
| 76 CrxComponent component; | |
| 77 | |
| 78 base::Time last_check; | |
| 79 | |
| 80 // A component can be made available for download from several urls. | |
| 81 std::vector<GURL> crx_urls; | |
| 82 std::vector<GURL> crx_diffurls; | |
| 83 | |
| 84 // The from/to version and fingerprint values. | |
| 85 Version previous_version; | |
| 86 Version next_version; | |
| 87 std::string previous_fp; | |
| 88 std::string next_fp; | |
| 89 | |
| 90 // True if the current update check cycle is on-demand. | |
| 91 bool on_demand; | |
| 92 | |
| 93 // True if the differential update failed for any reason. | |
| 94 bool diff_update_failed; | |
| 95 | |
| 96 // The error information for full and differential updates. | |
| 97 // The |error_category| contains a hint about which module in the component | |
| 98 // updater generated the error. The |error_code| constains the error and | |
| 99 // the |extra_code1| usually contains a system error, but it can contain | |
| 100 // any extended information that is relevant to either the category or the | |
| 101 // error itself. | |
| 102 int error_category; | |
| 103 int error_code; | |
| 104 int extra_code1; | |
| 105 int diff_error_category; | |
| 106 int diff_error_code; | |
| 107 int diff_extra_code1; | |
| 108 | |
| 109 std::vector<CrxDownloader::DownloadMetrics> download_metrics; | |
| 110 | |
| 111 std::vector<base::Closure> ready_callbacks; | |
| 112 | |
| 113 CrxUpdateItem(); | |
| 114 ~CrxUpdateItem(); | |
| 115 | |
| 116 // Function object used to find a specific component. | |
| 117 class FindById { | |
| 118 public: | |
| 119 explicit FindById(const std::string& id) : id_(id) {} | |
| 120 | |
| 121 bool operator()(CrxUpdateItem* item) const { return item->id == id_; } | |
| 122 | |
| 123 private: | |
| 124 const std::string& id_; | |
| 125 }; | |
| 126 }; | |
| 127 | |
| 128 } // namespace component_updater | |
| 129 | |
| 130 #endif // CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_ | |
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Chromium Code Reviews
Issue 449643002:
Componentize component_updater: Move over a bunch of files to the component. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src