| // 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_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_ |
| #define COMPONENTS_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/time.h" |
| #include "components/previews/core/previews_experiments.h" |
| #include "components/previews/core/previews_io_data.h" |
| #include "components/previews/core/previews_opt_out_store.h" |
| |
| class GURL; |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace previews { |
| class PreviewsIOData; |
| |
| // A class to manage the UI portion of inter-thread communication between |
| // previews/ objects. Created and used on the UI thread. |
| class PreviewsUIService { |
| public: |
| PreviewsUIService( |
| PreviewsIOData* previews_io_data, |
| const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, |
| std::unique_ptr<PreviewsOptOutStore> previews_opt_out_store, |
| const PreviewsIsEnabledCallback& is_enabled_callback); |
| virtual ~PreviewsUIService(); |
| |
| // Sets |io_data_| to |io_data| to allow calls from the UI thread to the IO |
| // thread. Virtualized in testing. |
| virtual void SetIOData(base::WeakPtr<PreviewsIOData> io_data); |
| |
| // Adds a navigation to |url| to the black list with result |opt_out|. |
| void AddPreviewNavigation(const GURL& url, PreviewsType type, bool opt_out); |
| |
| // Clears the history of the black list between |begin_time| and |end_time|. |
| void ClearBlackList(base::Time begin_time, base::Time end_time); |
| |
| private: |
| // The IO thread portion of the inter-thread communication for previews/. |
| base::WeakPtr<previews::PreviewsIOData> io_data_; |
| |
| base::ThreadChecker thread_checker_; |
| |
| // The IO thread task runner. Used to post tasks to |io_data_|. |
| scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
| |
| base::WeakPtrFactory<PreviewsUIService> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PreviewsUIService); |
| }; |
| |
| } // namespace previews |
| |
| #endif // COMPONENTS_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_ |