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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/vr/test/ui_utils.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "chrome/browser/vr/vr_browser_renderer_thread.h"
#include "chrome/browser/vr/test/xr_browser_test.h"
namespace vr {
UiUtils::UiUtils()
: main_thread_task_runner_(
base::SingleThreadTaskRunner::GetCurrentDefault()) {
auto* renderer = GetBrowserRenderer();
DCHECK(renderer) << "Failed to get a BrowserRenderer. Consider using "
<< "UiUtils::Create() instead.";
}
UiUtils::~UiUtils() {
auto* renderer = GetBrowserRenderer();
if (renderer != nullptr) {
renderer->WatchElementForVisibilityStatusForTesting(std::nullopt);
}
}
std::unique_ptr<UiUtils> UiUtils::Create() {
base::RunLoop wait_loop(base::RunLoop::Type::kNestableTasksAllowed);
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&UiUtils::PollForBrowserRenderer, &wait_loop));
wait_loop.Run();
return std::make_unique<UiUtils>();
}
void UiUtils::PollForBrowserRenderer(base::RunLoop* wait_loop) {
if (GetBrowserRenderer() == nullptr) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, base::BindOnce(&UiUtils::PollForBrowserRenderer, wait_loop),
XrBrowserTestBase::kPollCheckIntervalShort);
return;
}
wait_loop->Quit();
}
void UiUtils::WaitForVisibilityStatus(
const UserFriendlyElementName& element_name,
const bool& visible) {
base::RunLoop wait_loop(base::RunLoop::Type::kNestableTasksAllowed);
std::optional<UiVisibilityState> visibility_expectation =
std::make_optional<UiVisibilityState>();
visibility_expectation->element_to_watch = element_name;
visibility_expectation->timeout_ms =
base::Milliseconds(kDefaultUiQuiescenceTimeout);
visibility_expectation->expected_visibile = visible;
visibility_expectation->on_visibility_change_result = base::BindOnce(
[](base::RunLoop* loop, bool visibility_matched) {
CHECK(visibility_matched)
<< "Ui reported non-visibility-matched result";
loop->Quit();
},
&wait_loop);
main_thread_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&UiUtils::WatchElementForVisibilityStatusForTesting,
base::Unretained(this),
std::move(visibility_expectation)));
wait_loop.Run();
}
void UiUtils::WatchElementForVisibilityStatusForTesting(
std::optional<UiVisibilityState> visibility_expectation) {
BrowserRenderer* browser_renderer = UiUtils::GetBrowserRenderer();
if (browser_renderer) {
// Reset the start time to now so that we don't count the time it took to
// potentially post this task in the timeout.
if (visibility_expectation.has_value()) {
visibility_expectation->start_time = base::TimeTicks::Now();
}
browser_renderer->WatchElementForVisibilityStatusForTesting(
std::move(visibility_expectation));
}
}
void UiUtils::DisableOverlayForTesting() {
VRBrowserRendererThread::DisableOverlayForTesting();
}
VRBrowserRendererThread* UiUtils::GetRendererThread() {
return VRBrowserRendererThread::GetInstanceForTesting();
}
BrowserRenderer* UiUtils::GetBrowserRenderer() {
auto* renderer_thread = GetRendererThread();
if (renderer_thread == nullptr)
return nullptr;
return static_cast<VRBrowserRendererThread*>(renderer_thread)
->GetBrowserRendererForTesting();
}
} // namespace vr
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