| /* |
| * Copyright (C) 2021, Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "WebLockMode.h" |
| #include <wtf/CrossThreadCopier.h> |
| #include <wtf/Vector.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| struct WebLockManagerSnapshot { |
| struct Info { |
| String name; |
| WebLockMode mode { WebLockMode::Exclusive }; |
| String clientId; |
| |
| Info isolatedCopy() const & { return { name.isolatedCopy(), mode, clientId.isolatedCopy() }; } |
| Info isolatedCopy() && { return { WTFMove(name).isolatedCopy(), mode, WTFMove(clientId).isolatedCopy() }; } |
| |
| template<class Encoder> void encode(Encoder& encoder) const { encoder << name << mode << clientId; } |
| template<class Decoder> static std::optional<Info> decode(Decoder&); |
| }; |
| |
| Vector<Info> held; |
| Vector<Info> pending; |
| |
| WebLockManagerSnapshot isolatedCopy() const & { return { crossThreadCopy(held), crossThreadCopy(pending) }; } |
| WebLockManagerSnapshot isolatedCopy() && { return { crossThreadCopy(WTFMove(held)), crossThreadCopy(WTFMove(pending)) }; } |
| |
| template<class Encoder> void encode(Encoder& encoder) const { encoder << held << pending; } |
| template<class Decoder> static std::optional<WebLockManagerSnapshot> decode(Decoder&); |
| }; |
| |
| template<class Decoder> |
| std::optional<WebLockManagerSnapshot::Info> WebLockManagerSnapshot::Info::decode(Decoder& decoder) |
| { |
| std::optional<String> name; |
| decoder >> name; |
| if (!name) |
| return std::nullopt; |
| |
| std::optional<WebLockMode> mode; |
| decoder >> mode; |
| if (!mode) |
| return std::nullopt; |
| |
| std::optional<String> clientId; |
| decoder >> clientId; |
| if (!clientId) |
| return std::nullopt; |
| |
| return { { WTFMove(*name), *mode, WTFMove(*clientId) } }; |
| } |
| |
| template<class Decoder> |
| std::optional<WebLockManagerSnapshot> WebLockManagerSnapshot::decode(Decoder& decoder) |
| { |
| std::optional<Vector<Info>> held; |
| decoder >> held; |
| if (!held) |
| return std::nullopt; |
| |
| std::optional<Vector<Info>> pending; |
| decoder >> pending; |
| if (!pending) |
| return std::nullopt; |
| |
| return { { WTFMove(*held), WTFMove(*pending) } }; |
| } |
| |
| } // namespace WebCore |