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| 1 // Copyright (c) 2013 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 #include "ui/message_center/message_center_tray.h" |
| 6 |
| 7 #include "base/observer_list.h" |
| 8 #include "base/utf_string_conversions.h" |
| 9 #include "ui/message_center/message_center_tray_delegate.h" |
| 10 |
| 11 namespace message_center { |
| 12 |
| 13 MessageCenterTray::MessageCenterTray( |
| 14 MessageCenterTrayDelegate* delegate, |
| 15 message_center::MessageCenter* message_center) |
| 16 : message_center_(message_center), |
| 17 message_center_visible_(false), |
| 18 popups_visible_(false), |
| 19 delegate_(delegate) { |
| 20 message_center_->AddObserver(this); |
| 21 } |
| 22 |
| 23 MessageCenterTray::~MessageCenterTray() { |
| 24 message_center_->RemoveObserver(this); |
| 25 } |
| 26 |
| 27 bool MessageCenterTray::ShowMessageCenterBubble() { |
| 28 if (message_center_visible_) |
| 29 return true; |
| 30 |
| 31 HidePopupBubble(); |
| 32 |
| 33 message_center_visible_ = delegate_->ShowMessageCenter(); |
| 34 message_center_->SetMessageCenterVisible(message_center_visible_); |
| 35 return message_center_visible_; |
| 36 } |
| 37 |
| 38 bool MessageCenterTray::HideMessageCenterBubble() { |
| 39 if (!message_center_visible_) |
| 40 return false; |
| 41 delegate_->HideMessageCenter(); |
| 42 message_center_visible_ = false; |
| 43 message_center_->SetMessageCenterVisible(false); |
| 44 NotifyMessageCenterTrayChanged(); |
| 45 return true; |
| 46 } |
| 47 |
| 48 void MessageCenterTray::ToggleMessageCenterBubble() { |
| 49 if (message_center_visible_) |
| 50 HideMessageCenterBubble(); |
| 51 else |
| 52 ShowMessageCenterBubble(); |
| 53 } |
| 54 |
| 55 void MessageCenterTray::ShowPopupBubble() { |
| 56 if (message_center_visible_) { |
| 57 // We don't want to show popups if the user is already looking at the |
| 58 // message center. Instead, update it. |
| 59 delegate_->UpdateMessageCenter(); |
| 60 return; |
| 61 } |
| 62 |
| 63 if (popups_visible_) { |
| 64 delegate_->UpdatePopups(); |
| 65 NotifyMessageCenterTrayChanged(); |
| 66 return; |
| 67 } |
| 68 |
| 69 if (!message_center_->HasPopupNotifications()) |
| 70 return; |
| 71 |
| 72 popups_visible_ = delegate_->ShowPopups(); |
| 73 NotifyMessageCenterTrayChanged(); |
| 74 } |
| 75 |
| 76 bool MessageCenterTray::HidePopupBubble() { |
| 77 if (!popups_visible_) |
| 78 return false; |
| 79 |
| 80 delegate_->HidePopups(); |
| 81 popups_visible_ = false; |
| 82 NotifyMessageCenterTrayChanged(); |
| 83 |
| 84 return true; |
| 85 } |
| 86 |
| 87 void MessageCenterTray::OnMessageCenterChanged(bool new_notification) { |
| 88 if (message_center_visible_) { |
| 89 if (message_center_->NotificationCount() == 0) |
| 90 HideMessageCenterBubble(); |
| 91 else |
| 92 delegate_->UpdateMessageCenter(); |
| 93 } |
| 94 if (popups_visible_) { |
| 95 if (message_center_->NotificationCount() == 0) |
| 96 HidePopupBubble(); |
| 97 else |
| 98 delegate_->UpdatePopups(); |
| 99 } |
| 100 |
| 101 if (new_notification) |
| 102 ShowPopupBubble(); |
| 103 |
| 104 NotifyMessageCenterTrayChanged(); |
| 105 } |
| 106 |
| 107 void MessageCenterTray::NotifyMessageCenterTrayChanged() { |
| 108 delegate_->OnMessageCenterTrayChanged(); |
| 109 } |
| 110 |
| 111 } // namespace message_center |
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