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ash / system / notification_center / message_view_factory.h [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_NOTIFICATION_CENTER_MESSAGE_VIEW_FACTORY_H_
#define ASH_SYSTEM_NOTIFICATION_CENTER_MESSAGE_VIEW_FACTORY_H_
#include "ash/ash_export.h"
#include <memory>
#include <string>
#include "base/functional/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_NOTIFICATION_CENTER_MESSAGE_VIEW_FACTORY_H_