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- // Copyright 2021 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 ASH_SYSTEM_MESSAGE_CENTER_MESSAGE_VIEW_FACTORY_H_
- #define ASH_SYSTEM_MESSAGE_CENTER_MESSAGE_VIEW_FACTORY_H_
- #include "ash/ash_export.h"
- #include <memory>
- #include <string>
- #include "base/callback_forward.h"
- namespace message_center {
- class MessageView;
- class Notification;
- } // namespace message_center
- namespace ash {
- // Creates appropriate MessageViews for notifications depending on the
- // notification type.
- class ASH_EXPORT MessageViewFactory {
- public:
- // A function that creates MessageView for a NOTIFICATION_TYPE_CUSTOM
- // notification.
- using CustomMessageViewFactoryFunction =
- base::RepeatingCallback<std::unique_ptr<message_center::MessageView>(
- const message_center::Notification&,
- bool shown_in_popup)>;
- // Create appropriate MessageViews based on the given notification.
- static std::unique_ptr<message_center::MessageView> Create(
- const message_center::Notification& notification,
- bool shown_in_popup);
- // Sets the function that will be invoked to create a custom notification view
- // for a specific |custom_view_type|. This should be a repeating callback.
- // It's an error to attempt to show a custom notification without first having
- // called this function. The |custom_view_type| on the notification should
- // also match the type used here.
- static void SetCustomNotificationViewFactory(
- const std::string& custom_view_type,
- const CustomMessageViewFactoryFunction& factory_function);
- static bool HasCustomNotificationViewFactory(
- const std::string& custom_view_type);
- static void ClearCustomNotificationViewFactory(
- const std::string& custom_view_type);
- };
- } // namespace ash
- #endif // ASH_SYSTEM_MESSAGE_CENTER_MESSAGE_VIEW_FACTORY_H_
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