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| 1 // Copyright 2017 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_SHARED_CHROME_BROWSER_TABS_WEB_STATE_LIST_OBSERVER_H_ | |
| 6 #define IOS_SHARED_CHROME_BROWSER_TABS_WEB_STATE_LIST_OBSERVER_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 | |
| 10 class WebStateList; | |
| 11 | |
| 12 namespace web { | |
| 13 class WebState; | |
| 14 } | |
| 15 | |
| 16 // Interface for listening to events occurring to WebStateLists. | |
| 17 class WebStateListObserver { | |
| 18 public: | |
| 19 WebStateListObserver(); | |
| 20 virtual ~WebStateListObserver(); | |
| 21 | |
| 22 // Invoked after a new WebState has been added to the WebStateList at the | |
| 23 // specified index. | |
| 24 virtual void WebStateInsertedAt(WebStateList* web_state_list, | |
| 25 web::WebState* web_state, | |
| 26 int index); | |
| 27 | |
| 28 // Invoked after the WebState at the specified index is moved to another | |
| 29 // index. | |
| 30 virtual void WebStateMoved(WebStateList* web_state_list, | |
| 31 web::WebState* web_state, | |
| 32 int from_index, | |
| 33 int to_index); | |
| 34 | |
| 35 // Invoked after the WebState at the specified index is replaced by another | |
| 36 // WebState. | |
| 37 virtual void WebStateReplacedAt(WebStateList* web_state_list, | |
| 38 web::WebState* old_web_state, | |
| 39 web::WebState* new_web_state, | |
| 40 int index); | |
| 41 | |
| 42 // Invoked before the specified WebState is detached from the WebStateList. | |
| 43 // The WebState is still valid and still in the WebStateList. | |
| 44 virtual void WillDetachWebStateAt(WebStateList* web_state_list, | |
| 45 web::WebState* web_state, | |
| 46 int index); | |
| 47 | |
| 48 // Invoked after the WebState at the specified index has been detached. The | |
| 49 // WebState is still valid but is no longer in the WebStateList. | |
| 50 virtual void WebStateDetachedAt(WebStateList* web_state_list, | |
| 51 web::WebState* web_state, | |
| 52 int index); | |
| 53 | |
| 54 // Invoked before the specified WebState is destroyed via the WebStateList. | |
| 55 // The WebState is still valid but is no longer in the WebStateList. | |
| 56 virtual void WillCloseWebStateAt(WebStateList* web_state_list, | |
| 57 web::WebState* web_state, | |
| 58 int index); | |
| 59 | |
| 60 // Invoked after |new_web_state| was activated at the specified index. Both | |
| 61 // WebState are either valid or null (if there was no selection or there is | |
| 62 // no selection). If the change is due to an user action, |user_action| will | |
| 63 // be true. | |
| 64 virtual void WebStateActivatedAt(WebStateList* web_state_list, | |
| 65 web::WebState* old_web_state, | |
| 66 web::WebState* new_web_state, | |
| 67 int active_index, | |
| 68 bool user_action); | |
| 69 | |
| 70 private: | |
| 71 DISALLOW_COPY_AND_ASSIGN(WebStateListObserver); | |
| 72 }; | |
| 73 | |
| 74 #endif // IOS_SHARED_CHROME_BROWSER_TABS_WEB_STATE_LIST_OBSERVER_H_ | |
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Chromium Code Reviews
Issue 2799723002:
[ios] Move WebStateList to ios/chrome/browser/web_state_list. (Closed)
