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
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/message_center/notification_blocker.h"
#include "base/observer_list.h"
#include "ui/message_center/message_center.h"
namespace message_center {
NotificationBlocker::NotificationBlocker(MessageCenter* message_center)
: message_center_(message_center) {}
NotificationBlocker::~NotificationBlocker() {
if (message_center_)
message_center_->RemoveNotificationBlocker(this);
}
void NotificationBlocker::Init() {
CHECK(!is_initialized_)
<< "Do not initialize a NotificationBlocker more than once.";
is_initialized_ = true;
if (message_center_) {
message_center_->AddNotificationBlocker(this);
}
}
void NotificationBlocker::AddObserver(NotificationBlocker::Observer* observer) {
observers_.AddObserver(observer);
}
void NotificationBlocker::RemoveObserver(
NotificationBlocker::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool NotificationBlocker::ShouldShowNotification(
const Notification& notification) const {
return true;
}
void NotificationBlocker::NotifyBlockingStateChanged() {
observers_.Notify(&Observer::OnBlockingStateChanged, this);
}
} // namespace message_center
|
