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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 COMPONENTS_SYNC_SESSIONS_TASK_TRACKER_H_ | |
6 #define COMPONENTS_SYNC_SESSIONS_TASK_TRACKER_H_ | |
7 | |
8 #include <stddef.h> | |
9 | |
10 #include <map> | |
11 #include <memory> | |
12 #include <vector> | |
13 | |
14 #include "base/time/time.h" | |
15 #include "components/sessions/core/session_id.h" | |
16 #include "components/sessions/core/session_types.h" | |
17 #include "components/sync_sessions/synced_tab_delegate.h" | |
18 #include "ui/base/page_transition_types.h" | |
19 | |
20 namespace sync_sessions { | |
21 | |
22 // Tracks tasks of a tab. | |
Patrick Noland
2017/03/24 20:51:57
Can you expand this comment? It's not currently ex
shenchao
2017/03/25 23:53:13
Done.
| |
23 class TabTasks { | |
24 public: | |
25 TabTasks(); | |
26 virtual ~TabTasks(); | |
27 | |
28 // Return task id as a vector of int64_t for |nav_index|-th navigation of the | |
29 // tab. | |
30 std::vector<int64_t> GetTaskIdAtNav(int nav_index) const; | |
Patrick Noland
2017/03/24 20:51:57
AtIndex or at AtNavIndex would be more descriptive
shenchao
2017/03/25 23:53:13
Done.
| |
31 | |
32 int GetNavigationsNum() const { return ids_.size(); } | |
Patrick Noland
2017/03/24 20:51:57
count or size would be more descriptive than Num
shenchao
2017/03/25 23:53:13
Done.
| |
33 | |
34 // Updates the current task of the tab, given current navigation index of the | |
35 // tab as |current_nav_index|, and its transition |current_nav_transition|. If | |
36 // a new task is created, its id is (its parent task id, |new_id|). | |
37 void UpdateTask(int current_nav_index, | |
38 ui::PageTransition current_nav_transition, | |
39 int64_t new_id); | |
Patrick Noland
2017/03/24 20:51:57
I'm a little confused that new_id is supplied as a
shenchao
2017/03/25 23:53:13
Done. I did that to make test easy but agree it wa
| |
40 | |
41 private: | |
42 std::vector<int64_t> ids_; | |
43 int current_task_index_ = -1; | |
44 }; | |
45 | |
46 // Tracks tasks of current session. | |
47 class TaskTracker { | |
48 public: | |
49 TaskTracker(); | |
50 virtual ~TaskTracker(); | |
51 // Returns a TabTasks pointer, which is owned by this object, for the tab of | |
52 // given |tab_id|. | |
53 TabTasks* GetTabTasks(SessionID::id_type tab_id); | |
54 | |
55 private: | |
56 std::map<SessionID::id_type, std::unique_ptr<TabTasks>> local_tab_tasks_map_; | |
57 }; | |
58 | |
59 } // namespace sync_sessions | |
60 | |
61 #endif // COMPONENTS_SYNC_SESSIONS_TASK_TRACKER_H_ | |
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