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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/requirements_checker.h"
#include <string>
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/gpu_feature_checker.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/requirements_info.h"
#include "extensions/strings/grit/extensions_strings.h"
#include "gpu/config/gpu_feature_type.h"
#include "ui/base/l10n/l10n_util.h"
namespace extensions {
RequirementsChecker::RequirementsChecker(
scoped_refptr<const Extension> extension)
: PreloadCheck(extension) {}
RequirementsChecker::~RequirementsChecker() = default;
void RequirementsChecker::Start(ResultCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
const RequirementsInfo& requirements =
RequirementsInfo::GetRequirements(extension());
callback_ = std::move(callback);
if (requirements.webgl) {
scoped_refptr<content::GpuFeatureChecker> webgl_checker =
content::GpuFeatureChecker::Create(
gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGL,
base::BindOnce(&RequirementsChecker::VerifyWebGLAvailability,
weak_ptr_factory_.GetWeakPtr()));
webgl_checker->CheckGpuFeatureAvailability();
} else {
RunCallback();
}
}
std::u16string RequirementsChecker::GetErrorMessage() const {
if (errors_.empty()) {
return std::u16string();
}
CHECK_EQ(errors_.size(), 1u);
CHECK(errors_.contains(Error::kWebglNotSupported));
return l10n_util::GetStringUTF16(IDS_EXTENSION_WEBGL_NOT_SUPPORTED);
}
void RequirementsChecker::VerifyWebGLAvailability(bool available) {
if (!available) {
errors_.insert(Error::kWebglNotSupported);
}
RunCallback();
}
void RequirementsChecker::RunCallback() {
DCHECK(callback_);
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::move(callback_).Run(errors_);
}
} // namespace extensions
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