layout/style/RustCell.h
author Xianzhu Wang <wangxianzhu@chromium.org>
Tue, 05 Mar 2019 12:18:01 +0000
changeset 464575 4325ba7b38576495a78289c2a8f4dff391922e66
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1529059 [wpt PR 15420] - [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect, a=testonly Automatic update from web-platform-tests [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect Previously synthetic effects always had double_sided==false, causing the layer disappear when the backface was facing forward. Bug: 928190 Change-Id: I35534b40346d5c5918bc99c00a4ca6b4e3b68796 Reviewed-on: https://chromium-review.googlesource.com/c/1475815 Reviewed-by: Philip Rogers <pdr@chromium.org> Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Cr-Commit-Position: refs/heads/master@{#632764} -- wpt-commits: a89467050deaf1dcbd9140a2f0670b1b85e518ee wpt-pr: 15420

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* an object with the same layout as a Rust std::cell::Cell<T> */

#ifndef mozilla_RustCell_h
#define mozilla_RustCell_h

namespace mozilla {

/**
 * Object with the same layout as std::cell::Cell<T>.
 *
 * ServoBindings.toml defines a mapping so that generated bindings use a
 * real std::cell::Cell<T>.
 *
 * Note that while the layout matches, this doesn't have the same ABI as a
 * std::cell::Cell<T>, so values of this type can't be passed over FFI
 * functions.
 */
template <typename T>
class RustCell {
 public:
  RustCell() : mValue() {}

  T Get() const { return mValue; }

 private:
  T mValue;
};

}  // namespace mozilla

#endif  // mozilla_RustCell_h