blob: 9704ed22e73cc97e9b096f0b7e98628a3ca90309 [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <lib/ui/scenic/cpp/view_token_pair.h>
#include <zircon/assert.h>
namespace scenic {
ViewTokenPair ViewTokenPair::New() {
ViewTokenPair token_pair;
auto status =
zx::eventpair::create(0u, &token_pair.view_token.value, &token_pair.view_holder_token.value);
// Assert even in non-debug builds, because eventpair creation can fail under
// normal operation. Failure can occur for example, if the job creation
// policy governing this process forbids eventpair creation.
// It is unlikely that a well-behaved Scenic client would crash here; if you
// hit this, it means something is very abnormal.
ZX_ASSERT(status == ZX_OK);
return token_pair;
ViewTokenStdPair NewViewTokenPair() {
auto token_pair = ViewTokenPair::New();
return ViewTokenStdPair(std::move(token_pair.view_token),
fuchsia::ui::views::ViewToken ToViewToken(zx::eventpair raw_token) {
return fuchsia::ui::views::ViewToken({
.value = std::move(raw_token),
fuchsia::ui::views::ViewHolderToken ToViewHolderToken(zx::eventpair raw_token) {
return fuchsia::ui::views::ViewHolderToken({
.value = std::move(raw_token),
} // namespace scenic