| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_QUIRKS_QUIRKS_CLIENT_H_ |
| #define COMPONENTS_QUIRKS_QUIRKS_CLIENT_H_ |
| |
| #include <memory> |
| |
| #include "base/files/file_path.h" |
| #include "base/macros.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/timer/timer.h" |
| #include "net/base/backoff_entry.h" |
| |
| namespace network { |
| class SimpleURLLoader; |
| } |
| |
| namespace quirks { |
| |
| class QuirksManager; |
| |
| // See declaration in quirks_manager.h. |
| using RequestFinishedCallback = |
| base::OnceCallback<void(const base::FilePath&, bool)>; |
| |
| // Handles downloading icc and other display data files from Quirks Server. |
| class QuirksClient { |
| public: |
| QuirksClient(int64_t product_id, |
| const std::string& display_name, |
| RequestFinishedCallback on_request_finished, |
| QuirksManager* manager); |
| ~QuirksClient(); |
| |
| void StartDownload(); |
| |
| int64_t product_id() const { return product_id_; } |
| |
| private: |
| void OnDownloadComplete(std::unique_ptr<std::string> response_body); |
| |
| // Send callback and tell manager to delete |this|. |
| void Shutdown(bool success); |
| |
| // Schedules a retry. |
| void Retry(); |
| |
| // Translates json with base64-encoded data (|result|) into raw |data|. |
| bool ParseResult(const std::string& result, std::string* data); |
| |
| // ID of display to request from Quirks Server. |
| const int64_t product_id_; |
| |
| // Human-readable name to send to Quirks Server. |
| const std::string display_name_; |
| |
| // Callback supplied by caller. |
| RequestFinishedCallback on_request_finished_; |
| |
| // Weak pointer owned by manager, guaranteed to outlive this client object. |
| QuirksManager* manager_; |
| |
| // Full path to icc file. |
| const base::FilePath icc_path_; |
| |
| // The class is expected to run on UI thread. |
| base::ThreadChecker thread_checker_; |
| |
| // This loader is used to download icc file. |
| std::unique_ptr<network::SimpleURLLoader> url_loader_; |
| |
| // Pending retry. |
| base::OneShotTimer request_scheduled_; |
| |
| // Controls exponential backoff of time between server checks. |
| net::BackoffEntry backoff_entry_; |
| |
| // Factory for callbacks. |
| base::WeakPtrFactory<QuirksClient> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(QuirksClient); |
| }; |
| |
| } // namespace quirks |
| |
| #endif // COMPONENTS_QUIRKS_QUIRKS_CLIENT_H_ |