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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
#define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
#include "base/observer_list.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/message_center/message_center.h"
#include "ui/message_center/message_center_export.h"
#include "ui/message_center/message_center_tray_delegate.h"
namespace message_center {
class MessageBubbleBase;
class MessagePopupBubble;
class QuietModeBubble;
// Implementation found with each supported platform's implementation of
// MessageCenterTrayDelegate.
MessageCenterTrayDelegate* CreateMessageCenterTray();
// Class that observes a MessageCenter. Manages the popup and message center
// bubbles. Tells the MessageCenterTrayHost when the tray is changed, as well
// as when bubbles are shown and hidden.
class MESSAGE_CENTER_EXPORT MessageCenterTray
: public message_center::MessageCenter::Observer,
public ui::SimpleMenuModel::Delegate {
public:
MessageCenterTray(MessageCenterTrayDelegate* delegate,
message_center::MessageCenter* message_center);
virtual ~MessageCenterTray();
// Shows or updates the message center bubble and hides the popup bubble.
// Returns whether the message center is visible after the call, whether or
// not it was visible before.
bool ShowMessageCenterBubble();
// Returns whether the message center was visible before.
bool HideMessageCenterBubble();
void ToggleMessageCenterBubble();
// Causes an update if the popup bubble is already shown.
void ShowPopupBubble();
// Returns whether the popup was visible before.
bool HidePopupBubble();
// Creates the menu model for quiet mode and returns it. The caller must
// take the ownership of the return value.
ui::MenuModel* CreateQuietModeMenu();
bool message_center_visible() { return message_center_visible_; }
bool popups_visible() { return popups_visible_; }
MessageCenterTrayDelegate* delegate() { return delegate_; }
const message_center::MessageCenter* message_center() const {
return message_center_;
}
message_center::MessageCenter* message_center() { return message_center_; }
// Overridden from message_center::MessageCenter::Observer:
virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE;
// Overridden from SimpleMenuModel::Delegate.
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id) OVERRIDE;
private:
void NotifyMessageCenterTrayChanged();
// |message_center_| is a weak pointer that must live longer than
// MessageCenterTray.
message_center::MessageCenter* message_center_;
bool message_center_visible_;
bool popups_visible_;
// |delegate_| is a weak pointer that must live longer than MessageCenterTray.
MessageCenterTrayDelegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(MessageCenterTray);
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
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