File: push_messaging_constants.h

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// Copyright 2014 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_PUSH_MESSAGING_PUSH_MESSAGING_CONSTANTS_H_
#define CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_CONSTANTS_H_

#include "base/time/time.h"

extern const char kPushMessagingGcmEndpoint[];

// The GCM endpoint to use on non-Stable channels.
extern const char kPushMessagingStagingGcmEndpoint[];

// The tag of the notification that will be automatically shown if a webapp
// receives a push message then fails to show a notification.
extern const char kPushMessagingForcedNotificationTag[];

// Chrome decided cadence on subscription refreshes. According to the standards:
// https://w3c.github.io/push-api/#dfn-subscription-expiration-time it is
// optional and set by the browser.
inline constexpr base::TimeDelta kPushSubscriptionExpirationPeriodTimeDelta =
    base::Days(90);

// TimeDelta for subscription refreshes to keep old subscriptions alive
inline constexpr base::TimeDelta kPushSubscriptionRefreshTimeDelta =
    base::Minutes(2);

#endif  // CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_CONSTANTS_H_