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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <deque> | 9 #include <deque> |
| 10 #include <map> | 10 #include <map> |
| 11 #include <set> | 11 #include <set> |
| 12 #include <string> | 12 #include <string> |
| 13 #include <vector> | 13 #include <vector> |
| 14 | 14 |
| 15 #include "base/basictypes.h" | 15 #include "base/basictypes.h" |
| 16 #include "base/compiler_specific.h" | 16 #include "base/compiler_specific.h" |
| 17 #include "base/memory/scoped_ptr.h" | 17 #include "base/memory/scoped_ptr.h" |
| 18 #include "base/memory/weak_ptr.h" | 18 #include "base/memory/weak_ptr.h" |
| 19 #include "chrome/browser/extensions/updater/extension_downloader_delegate.h" | 19 #include "chrome/browser/extensions/updater/extension_downloader_delegate.h" |
| 20 #include "chrome/browser/extensions/updater/manifest_fetch_data.h" | 20 #include "chrome/browser/extensions/updater/manifest_fetch_data.h" |
| 21 #include "chrome/common/extensions/extension.h" | 21 #include "chrome/common/extensions/extension.h" |
| 22 #include "chrome/common/extensions/update_manifest.h" | 22 #include "chrome/common/extensions/update_manifest.h" |
| 23 #include "content/public/common/url_fetcher_delegate.h" | |
| 24 #include "googleurl/src/gurl.h" | 23 #include "googleurl/src/gurl.h" |
| 24 #include "net/url_request/url_fetcher_delegate.h" |
| 25 | 25 |
| 26 class Version; | 26 class Version; |
| 27 | 27 |
| 28 namespace net { | 28 namespace net { |
| 29 class URLFetcher; |
| 29 class URLRequestContextGetter; | 30 class URLRequestContextGetter; |
| 30 class URLRequestStatus; | 31 class URLRequestStatus; |
| 31 } | 32 } |
| 32 | 33 |
| 33 namespace extensions { | 34 namespace extensions { |
| 34 | 35 |
| 35 class ExtensionUpdaterTest; | 36 class ExtensionUpdaterTest; |
| 36 | 37 |
| 37 // A class that checks for updates of a given list of extensions, and downloads | 38 // A class that checks for updates of a given list of extensions, and downloads |
| 38 // the crx file when updates are found. It uses a |ExtensionDownloaderDelegate| | 39 // the crx file when updates are found. It uses a |ExtensionDownloaderDelegate| |
| 39 // that takes ownership of the downloaded crx files, and handles events during | 40 // that takes ownership of the downloaded crx files, and handles events during |
| 40 // the update check. | 41 // the update check. |
| 41 class ExtensionDownloader : public content::URLFetcherDelegate { | 42 class ExtensionDownloader : public net::URLFetcherDelegate { |
| 42 public: | 43 public: |
| 43 // |delegate| is stored as a raw pointer and must outlive the | 44 // |delegate| is stored as a raw pointer and must outlive the |
| 44 // ExtensionDownloader. | 45 // ExtensionDownloader. |
| 45 ExtensionDownloader(ExtensionDownloaderDelegate* delegate, | 46 ExtensionDownloader(ExtensionDownloaderDelegate* delegate, |
| 46 net::URLRequestContextGetter* request_context); | 47 net::URLRequestContextGetter* request_context); |
| 47 virtual ~ExtensionDownloader(); | 48 virtual ~ExtensionDownloader(); |
| 48 | 49 |
| 49 // Adds |extension| to the list of extensions to check for updates. | 50 // Adds |extension| to the list of extensions to check for updates. |
| 50 // Returns false if the |extension| can't be updated due to invalid details. | 51 // Returns false if the |extension| can't be updated due to invalid details. |
| 51 // In that case, no callbacks will be performed on the |delegate_|. | 52 // In that case, no callbacks will be performed on the |delegate_|. |
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| 111 Extension::Type extension_type, | 112 Extension::Type extension_type, |
| 112 GURL update_url, | 113 GURL update_url, |
| 113 const std::string& update_url_data); | 114 const std::string& update_url_data); |
| 114 | 115 |
| 115 // Adds all recorded stats taken so far to histogram counts. | 116 // Adds all recorded stats taken so far to histogram counts. |
| 116 void ReportStats() const; | 117 void ReportStats() const; |
| 117 | 118 |
| 118 // Begins an update check. Takes ownership of |fetch_data|. | 119 // Begins an update check. Takes ownership of |fetch_data|. |
| 119 void StartUpdateCheck(ManifestFetchData* fetch_data); | 120 void StartUpdateCheck(ManifestFetchData* fetch_data); |
| 120 | 121 |
| 121 // content::URLFetcherDelegate implementation. | 122 // net::URLFetcherDelegate implementation. |
| 122 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | 123 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; |
| 123 | 124 |
| 124 // Handles the result of a manifest fetch. | 125 // Handles the result of a manifest fetch. |
| 125 void OnManifestFetchComplete(const GURL& url, | 126 void OnManifestFetchComplete(const GURL& url, |
| 126 const net::URLRequestStatus& status, | 127 const net::URLRequestStatus& status, |
| 127 int response_code, | 128 int response_code, |
| 128 const std::string& data); | 129 const std::string& data); |
| 129 | 130 |
| 130 // Once a manifest is parsed, this starts fetches of any relevant crx files. | 131 // Once a manifest is parsed, this starts fetches of any relevant crx files. |
| 131 // If |results| is null, it means something went wrong when parsing it. | 132 // If |results| is null, it means something went wrong when parsing it. |
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| 173 URLStats url_stats_; | 174 URLStats url_stats_; |
| 174 | 175 |
| 175 // List of data on fetches we're going to do. We limit the number of | 176 // List of data on fetches we're going to do. We limit the number of |
| 176 // extensions grouped together in one batch to avoid running into the limits | 177 // extensions grouped together in one batch to avoid running into the limits |
| 177 // on the length of http GET requests, so there might be multiple | 178 // on the length of http GET requests, so there might be multiple |
| 178 // ManifestFetchData* objects with the same base_url. | 179 // ManifestFetchData* objects with the same base_url. |
| 179 typedef std::map<GURL, std::vector<ManifestFetchData*> > FetchMap; | 180 typedef std::map<GURL, std::vector<ManifestFetchData*> > FetchMap; |
| 180 FetchMap fetches_preparing_; | 181 FetchMap fetches_preparing_; |
| 181 | 182 |
| 182 // Outstanding url fetch requests for manifests and updates. | 183 // Outstanding url fetch requests for manifests and updates. |
| 183 scoped_ptr<content::URLFetcher> manifest_fetcher_; | 184 scoped_ptr<net::URLFetcher> manifest_fetcher_; |
| 184 scoped_ptr<content::URLFetcher> extension_fetcher_; | 185 scoped_ptr<net::URLFetcher> extension_fetcher_; |
| 185 | 186 |
| 186 // Pending manifests and extensions to be fetched when the appropriate fetcher | 187 // Pending manifests and extensions to be fetched when the appropriate fetcher |
| 187 // is available. | 188 // is available. |
| 188 std::deque<ManifestFetchData*> manifests_pending_; | 189 std::deque<ManifestFetchData*> manifests_pending_; |
| 189 std::deque<ExtensionFetch> extensions_pending_; | 190 std::deque<ExtensionFetch> extensions_pending_; |
| 190 | 191 |
| 191 // The manifest currently being fetched (if any). | 192 // The manifest currently being fetched (if any). |
| 192 scoped_ptr<ManifestFetchData> current_manifest_fetch_; | 193 scoped_ptr<ManifestFetchData> current_manifest_fetch_; |
| 193 | 194 |
| 194 // The extension currently being fetched (if any). | 195 // The extension currently being fetched (if any). |
| 195 ExtensionFetch current_extension_fetch_; | 196 ExtensionFetch current_extension_fetch_; |
| 196 | 197 |
| 197 // Maps an extension-id to its PingResult data. | 198 // Maps an extension-id to its PingResult data. |
| 198 std::map<std::string, ExtensionDownloaderDelegate::PingResult> ping_results_; | 199 std::map<std::string, ExtensionDownloaderDelegate::PingResult> ping_results_; |
| 199 | 200 |
| 200 DISALLOW_COPY_AND_ASSIGN(ExtensionDownloader); | 201 DISALLOW_COPY_AND_ASSIGN(ExtensionDownloader); |
| 201 }; | 202 }; |
| 202 | 203 |
| 203 } // namespace extensions | 204 } // namespace extensions |
| 204 | 205 |
| 205 #endif // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ | 206 #endif // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_ |
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