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| 1 // Copyright 2016 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 IOS_CHROME_BROWSER_DOM_DISTILLER_FAVICON_WEB_STATE_DISPATCHER_IMPL_H_ |
| 6 #define IOS_CHROME_BROWSER_DOM_DISTILLER_FAVICON_WEB_STATE_DISPATCHER_IMPL_H_ |
| 7 |
| 8 #include <memory> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/memory/weak_ptr.h" |
| 12 #include "components/dom_distiller/ios/favicon_web_state_dispatcher.h" |
| 13 |
| 14 namespace web { |
| 15 class BrowserState; |
| 16 } |
| 17 |
| 18 namespace dom_distiller { |
| 19 |
| 20 // Implementation of the FaviconWebStateDispatcher. |
| 21 class FaviconWebStateDispatcherImpl : public FaviconWebStateDispatcher { |
| 22 public: |
| 23 // Constructor for keeping the WebStates alive for |keep_alive_second| |
| 24 // seconds. If |keep_alive_second| < 0 then the default value is used. |
| 25 FaviconWebStateDispatcherImpl(web::BrowserState* browser_state, |
| 26 int64_t keep_alive_second); |
| 27 ~FaviconWebStateDispatcherImpl() override; |
| 28 |
| 29 // FaviconWebStateDispatcher implementation. |
| 30 web::WebState* RequestWebState() override; |
| 31 void ReturnWebState(web::WebState* web_state) override; |
| 32 |
| 33 private: |
| 34 web::BrowserState* browser_state_; |
| 35 // Map of the WebStates currently alive. |
| 36 std::vector<std::unique_ptr<web::WebState>> web_states_; |
| 37 // Time during which the WebState will be kept alive after being returned. |
| 38 int64_t keep_alive_second_; |
| 39 base::WeakPtrFactory<FaviconWebStateDispatcherImpl> weak_ptr_factory_; |
| 40 }; |
| 41 |
| 42 } // namespace dom_distiller |
| 43 |
| 44 #endif // IOS_CHROME_BROWSER_DOM_DISTILLER_FAVICON_WEB_STATE_DISPATCHER_IMPL_H_ |
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