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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_UI_CONTROLLER_H_
#define UI_MESSAGE_CENTER_UI_CONTROLLER_H_
#include "base/macros.h"
#include "base/observer_list.h"
#include "base/strings/string16.h"
#include "ui/message_center/message_center_export.h"
#include "ui/message_center/message_center_observer.h"
#include "ui/message_center/public/cpp/notifier_id.h"
#include "ui/message_center/ui_delegate.h"
namespace message_center {
class MessageCenter;
// Class that observes a MessageCenter and reacts to changes in the list of
// notifications. Manages the popup and message center bubbles. Tells the
// UiDelegate when the tray is changed, as well as when bubbles are shown and
// hidden.
class MESSAGE_CENTER_EXPORT UiController : public MessageCenterObserver {
public:
explicit UiController(UiDelegate* delegate);
~UiController() override;
// Shows or updates the message center bubble and hides the popup bubble. Set
// |show_by_click| to true if bubble is shown by mouse or gesture click.
// Returns whether the message center is visible after the call, whether or
// not it was visible before.
bool ShowMessageCenterBubble(bool show_by_click);
// Hides the message center if visible and returns whether the message center
// was visible before.
bool HideMessageCenterBubble();
// Marks the message center as "not visible" (this method will not hide the
// message center).
void MarkMessageCenterHidden();
// Causes an update if the popup bubble is already shown.
void ShowPopupBubble();
// Returns whether the popup was visible before.
bool HidePopupBubble();
// Toggles the visibility of the settings view in the message center bubble.
void ShowNotifierSettingsBubble();
bool message_center_visible() { return message_center_visible_; }
bool popups_visible() { return popups_visible_; }
UiDelegate* delegate() { return delegate_; }
const MessageCenter* message_center() const { return message_center_; }
MessageCenter* message_center() { return message_center_; }
// Overridden from MessageCenterObserver:
void OnNotificationAdded(const std::string& notification_id) override;
void OnNotificationRemoved(const std::string& notification_id,
bool by_user) override;
void OnNotificationUpdated(const std::string& notification_id) override;
void OnNotificationClicked(
const std::string& notification_id,
const base::Optional<int>& button_index,
const base::Optional<base::string16>& reply) override;
void OnNotificationSettingsClicked(bool handled) override;
void OnNotificationDisplayed(const std::string& notification_id,
const DisplaySource source) override;
void OnQuietModeChanged(bool in_quiet_mode) override;
void OnBlockingStateChanged(NotificationBlocker* blocker) override;
private:
void OnMessageCenterChanged();
void NotifyUiControllerChanged();
void HidePopupBubbleInternal();
MessageCenter* message_center_;
bool message_center_visible_ = false;
bool popups_visible_ = false;
UiDelegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(UiController);
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_UI_CONTROLLER_H_
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