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// Copyright 2016 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.
#include "ui/message_center/message_center_export.h"
#include <memory>
#include <string>
#include "base/callback_forward.h"
namespace message_center {
class MessageView;
class Notification;
// Creates appropriate MessageViews for notifications depending on the
// notification type. A notification is top level if it needs to be rendered
// outside the browser window. No custom shadows are created for top level
// notifications on Linux with Aura.
class MESSAGE_CENTER_EXPORT MessageViewFactory {
// A function that creates MessageView for a NOTIFICATION_TYPE_CUSTOM
// notification.
using CustomMessageViewFactoryFunction =
const Notification&)>;
static MessageView* Create(const Notification& notification);
// 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 ClearCustomNotificationViewFactoryForTest(
const std::string& custom_view_type);
} // namespace message_center