1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_H_
#define ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_H_
#include <map>
#include <string>
#include <vector>
#include "base/component_export.h"
#include "base/observer_list.h"
#include "chromeos/ash/services/libassistant/public/cpp/assistant_notification.h"
namespace ash {
class AssistantNotificationModelObserver;
// The model belonging to AssistantNotificationController which tracks
// notification state and notifies a pool of observers.
class COMPONENT_EXPORT(ASSISTANT_MODEL) AssistantNotificationModel {
public:
using AssistantNotification = assistant::AssistantNotification;
AssistantNotificationModel();
AssistantNotificationModel(const AssistantNotificationModel&) = delete;
AssistantNotificationModel& operator=(const AssistantNotificationModel&) =
delete;
~AssistantNotificationModel();
// Adds/removes the specified notification model |observer|.
void AddObserver(AssistantNotificationModelObserver* observer) const;
void RemoveObserver(AssistantNotificationModelObserver* observer) const;
// Adds or updates the specified |notification| in the model. If there is an
// existing notification with the same |client_id|, an update will occur.
// Otherwise a new notification will be added.
void AddOrUpdateNotification(AssistantNotification&& notification);
// Removes the notification uniquely identified by |id|. If |from_server| is
// true the request to remove was initiated by the server.
void RemoveNotificationById(const std::string& id, bool from_server);
// Removes the notifications identified by |grouping_key|. If |from_server| is
// true the request to remove was initiated by the server.
void RemoveNotificationsByGroupingKey(const std::string& grouping_key,
bool from_server);
// Removes all notifications. If |from_server| is true the request to remove
// was initiated by the server.
void RemoveAllNotifications(bool from_server);
// Returns the notification uniquely identified by |id|.
const AssistantNotification* GetNotificationById(const std::string& id) const;
// Returns all notifications (that have not been removed).
std::vector<const AssistantNotification*> GetNotifications() const;
// Returns true if the model contains a notification uniquely identified by
// |id|, otherwise false.
bool HasNotificationForId(const std::string& id) const;
private:
void NotifyNotificationAdded(const AssistantNotification& notification);
void NotifyNotificationUpdated(const AssistantNotification& notification);
void NotifyNotificationRemoved(const AssistantNotification& notification,
bool from_server);
void NotifyAllNotificationsRemoved(bool from_server);
// Notifications are each mapped to their unique id.
std::map<std::string, AssistantNotification> notifications_;
mutable base::ObserverList<AssistantNotificationModelObserver> observers_;
};
} // namespace ash
#endif // ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_H_
|
