зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
1.3 KiB
C++
42 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef CDMStorageIdProvider_h_
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#define CDMStorageIdProvider_h_
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/**
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* CDM will try to request a latest version(0) of storage id.
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* If the storage id computation algorithm changed, we should increase the
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* kCurrentVersion.
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*/
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#include <string>
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#include "nsString.h"
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namespace mozilla {
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class CDMStorageIdProvider {
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static constexpr const char* kBrowserIdentifier = "mozilla_firefox_gecko";
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public:
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// Should increase the value when the storage id algorithm changed.
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static constexpr int kCurrentVersion = 1;
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static constexpr int kCDMRequestLatestVersion = 0;
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// Return empty string when
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// 1. Call on unsupported storageid platform.
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// 2. Failed to compute the storage id.
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// This function only provide the storage id for kCurrentVersion=1.
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// If you want to change the algorithm or output of storageid,
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// you should keep the version 1 storage id and consider to provide
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// higher version storage id in another function.
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static nsCString ComputeStorageId(const nsCString& aOriginSalt);
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};
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} // namespace mozilla
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#endif // CDMStorageIdProvider_h_
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