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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_UPDATE_CLIENT_UPDATE_CHECKER_H_ |
| 6 #define COMPONENTS_UPDATE_CLIENT_UPDATE_CHECKER_H_ |
| 7 |
| 8 #include <string> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/callback.h" |
| 12 #include "base/macros.h" |
| 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "components/update_client/update_response.h" |
| 15 #include "url/gurl.h" |
| 16 |
| 17 class GURL; |
| 18 |
| 19 namespace net { |
| 20 class URLRequestContextGetter; |
| 21 } |
| 22 |
| 23 namespace update_client { |
| 24 |
| 25 class Configurator; |
| 26 struct CrxUpdateItem; |
| 27 |
| 28 class UpdateChecker { |
| 29 public: |
| 30 typedef base::Callback<void(const GURL& original_url, |
| 31 int error, |
| 32 const std::string& error_message, |
| 33 const UpdateResponse::Results& results)> |
| 34 UpdateCheckCallback; |
| 35 |
| 36 virtual ~UpdateChecker() {} |
| 37 |
| 38 // Initiates an update check for the |items_to_check|. |additional_attributes| |
| 39 // provides a way to customize the <request> element. This value is inserted |
| 40 // as-is, therefore it must be well-formed as an XML attribute string. |
| 41 virtual bool CheckForUpdates( |
| 42 const std::vector<CrxUpdateItem*>& items_to_check, |
| 43 const std::string& additional_attributes, |
| 44 const UpdateCheckCallback& update_check_callback) = 0; |
| 45 |
| 46 static scoped_ptr<UpdateChecker> Create(const Configurator& config); |
| 47 |
| 48 protected: |
| 49 UpdateChecker() {} |
| 50 |
| 51 private: |
| 52 DISALLOW_COPY_AND_ASSIGN(UpdateChecker); |
| 53 }; |
| 54 |
| 55 } // namespace update_client |
| 56 |
| 57 #endif // COMPONENTS_UPDATE_CLIENT_UPDATE_CHECKER_H_ |
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