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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_DELEGATOR_H_
#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_DELEGATOR_H_
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/notifications/displayed_notifications_dispatch_callback.h"
#include "chrome/browser/notifications/notification_common.h"
#include "chrome/browser/notifications/notification_handler.h"
#include "chrome/browser/notifications/notification_platform_bridge.h"
#include "ui/message_center/public/cpp/notification.h"
class Profile;
// This class is responsible for delegating notification events to either the
// system NotificationPlatformBridge or fall back to Chrome's own message
// center implementation. This can happen if there is no system support for
// notifications on this platform (or it has been disabled via flags). We also
// delegate to the message center if the given notification type is not
// supported on the system bridge.
class NotificationPlatformBridgeDelegator {
public:
NotificationPlatformBridgeDelegator(Profile* profile,
base::OnceClosure ready_callback);
NotificationPlatformBridgeDelegator(
const NotificationPlatformBridgeDelegator&) = delete;
NotificationPlatformBridgeDelegator& operator=(
const NotificationPlatformBridgeDelegator&) = delete;
virtual ~NotificationPlatformBridgeDelegator();
virtual void Display(NotificationHandler::Type notification_type,
const message_center::Notification& notification,
std::unique_ptr<NotificationCommon::Metadata> metadata);
virtual void Close(NotificationHandler::Type notification_type,
const std::string& notification_id);
virtual void GetDisplayed(GetDisplayedNotificationsCallback callback) const;
virtual void GetDisplayedForOrigin(
const GURL& origin,
GetDisplayedNotificationsCallback callback) const;
virtual void DisplayServiceShutDown();
private:
// Returns the NotificationPlatformBridge to use for |type|. This method is
// expected to return a valid bridge, either the system or message center one.
NotificationPlatformBridge* GetBridgeForType(NotificationHandler::Type type);
// Called when the |system_bridge_| may have been initialized.
void OnSystemNotificationPlatformBridgeReady(bool success);
raw_ptr<Profile> profile_;
// Bridge responsible for displaying notifications on the platform. The
// message center's bridge is maintained for platforms where it is available.
raw_ptr<NotificationPlatformBridge> message_center_bridge_;
raw_ptr<NotificationPlatformBridge> system_bridge_;
base::OnceClosure ready_callback_;
base::WeakPtrFactory<NotificationPlatformBridgeDelegator> weak_factory_{this};
};
#endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_DELEGATOR_H_
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