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// Copyright 2013 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/api/system_info/system_info_provider.h"
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "content/public/browser/browser_thread.h"
// TODO(crbug.com/371321982): port system.storage api on desktop android.
#if !BUILDFLAG(IS_ANDROID)
#include "components/storage_monitor/storage_info.h"
#include "components/storage_monitor/storage_monitor.h"
#include "extensions/common/api/system_storage.h"
using storage_monitor::StorageInfo;
using storage_monitor::StorageMonitor;
#endif
namespace extensions {
// TODO(crbug.com/371321982): port system.storage api on desktop android.
#if !BUILDFLAG(IS_ANDROID)
using api::system_storage::StorageUnitInfo;
using api::system_storage::StorageUnitType;
namespace systeminfo {
void BuildStorageUnitInfo(const StorageInfo& info, StorageUnitInfo* unit) {
unit->id = StorageMonitor::GetInstance()->GetTransientIdForDeviceId(
info.device_id());
unit->name = base::UTF16ToUTF8(info.GetDisplayName(false));
// TODO(hmin): Might need to take MTP device into consideration.
unit->type = StorageInfo::IsRemovableDevice(info.device_id())
? StorageUnitType::kRemovable
: StorageUnitType::kFixed;
unit->capacity = static_cast<double>(info.total_size_in_bytes());
}
} // namespace systeminfo
#endif // !BUILDFLAG(IS_ANROID)
SystemInfoProvider::SystemInfoProvider()
: is_waiting_for_completion_(false),
task_runner_(base::ThreadPool::CreateSequencedTaskRunner(
{base::MayBlock(),
/* default priority, */
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN})) {}
SystemInfoProvider::~SystemInfoProvider() {
}
void SystemInfoProvider::PrepareQueryOnUIThread() {
}
void SystemInfoProvider::InitializeProvider(
base::OnceClosure do_query_info_callback) {
std::move(do_query_info_callback).Run();
}
void SystemInfoProvider::StartQueryInfo(QueryInfoCompletionCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!callback.is_null());
callbacks_.push(std::move(callback));
if (is_waiting_for_completion_) {
return;
}
is_waiting_for_completion_ = true;
InitializeProvider(base::BindOnce(
&SystemInfoProvider::StartQueryInfoPostInitialization, this));
}
void SystemInfoProvider::OnQueryCompleted(bool success) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
while (!callbacks_.empty()) {
QueryInfoCompletionCallback callback = std::move(callbacks_.front());
std::move(callback).Run(success);
callbacks_.pop();
}
is_waiting_for_completion_ = false;
}
void SystemInfoProvider::StartQueryInfoPostInitialization() {
PrepareQueryOnUIThread();
// Post the custom query info task to blocking pool for information querying
// and reply with OnQueryCompleted.
task_runner_->PostTaskAndReplyWithResult(
FROM_HERE, base::BindOnce(&SystemInfoProvider::QueryInfo, this),
base::BindOnce(&SystemInfoProvider::OnQueryCompleted, this));
}
} // namespace extensions
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