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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_storage/system_storage_api.h"
#include "base/functional/bind.h"
#include "base/task/thread_pool.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/api/system_storage/storage_info_provider.h"
using storage_monitor::StorageMonitor;
namespace extensions {
using api::system_storage::StorageUnitInfo;
namespace EjectDevice = api::system_storage::EjectDevice;
namespace GetAvailableCapacity = api::system_storage::GetAvailableCapacity;
ExtensionFunction::ResponseAction SystemStorageGetInfoFunction::Run() {
StorageInfoProvider::Get()->StartQueryInfo(base::BindOnce(
&SystemStorageGetInfoFunction::OnGetStorageInfoCompleted, this));
return RespondLater();
}
void SystemStorageGetInfoFunction::OnGetStorageInfoCompleted(bool success) {
if (success) {
Respond(ArgumentList(api::system_storage::GetInfo::Results::Create(
StorageInfoProvider::Get()->storage_unit_info_list())));
} else {
Respond(Error("Error occurred when querying storage information."));
}
}
ExtensionFunction::ResponseAction SystemStorageEjectDeviceFunction::Run() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::optional<EjectDevice::Params> params =
EjectDevice::Params::Create(args());
EXTENSION_FUNCTION_VALIDATE(params);
StorageMonitor::GetInstance()->EnsureInitialized(
base::BindOnce(&SystemStorageEjectDeviceFunction::OnStorageMonitorInit,
this, params->id));
// EnsureInitialized() above can result in synchronous Respond().
return did_respond() ? AlreadyResponded() : RespondLater();
}
void SystemStorageEjectDeviceFunction::OnStorageMonitorInit(
const std::string& transient_device_id) {
DCHECK(StorageMonitor::GetInstance()->IsInitialized());
StorageMonitor* monitor = StorageMonitor::GetInstance();
std::string device_id_str =
StorageMonitor::GetInstance()->GetDeviceIdForTransientId(
transient_device_id);
if (device_id_str.empty()) {
HandleResponse(StorageMonitor::EJECT_NO_SUCH_DEVICE);
return;
}
monitor->EjectDevice(
device_id_str,
base::BindOnce(&SystemStorageEjectDeviceFunction::HandleResponse, this));
}
void SystemStorageEjectDeviceFunction::HandleResponse(
StorageMonitor::EjectStatus status) {
api::system_storage::EjectDeviceResultCode result =
api::system_storage::EjectDeviceResultCode::kFailure;
switch (status) {
case StorageMonitor::EJECT_OK:
result = api::system_storage::EjectDeviceResultCode::kSuccess;
break;
case StorageMonitor::EJECT_IN_USE:
result = api::system_storage::EjectDeviceResultCode::kInUse;
break;
case StorageMonitor::EJECT_NO_SUCH_DEVICE:
result = api::system_storage::EjectDeviceResultCode::kNoSuchDevice;
break;
case StorageMonitor::EJECT_FAILURE:
result = api::system_storage::EjectDeviceResultCode::kFailure;
}
Respond(WithArguments(api::system_storage::ToString(result)));
}
SystemStorageGetAvailableCapacityFunction::
SystemStorageGetAvailableCapacityFunction()
: query_runner_(base::ThreadPool::CreateSequencedTaskRunner(
{base::TaskPriority::BEST_EFFORT, base::MayBlock(),
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN})) {}
SystemStorageGetAvailableCapacityFunction::
~SystemStorageGetAvailableCapacityFunction() = default;
ExtensionFunction::ResponseAction
SystemStorageGetAvailableCapacityFunction::Run() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::optional<GetAvailableCapacity::Params> params =
GetAvailableCapacity::Params::Create(args());
EXTENSION_FUNCTION_VALIDATE(params);
StorageMonitor::GetInstance()->EnsureInitialized(base::BindOnce(
&SystemStorageGetAvailableCapacityFunction::OnStorageMonitorInit, this,
params->id));
return RespondLater();
}
void SystemStorageGetAvailableCapacityFunction::OnStorageMonitorInit(
const std::string& transient_id) {
query_runner_->PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(
&StorageInfoProvider::GetStorageFreeSpaceFromTransientIdAsync,
StorageInfoProvider::Get(), transient_id),
base::BindOnce(
&SystemStorageGetAvailableCapacityFunction::OnQueryCompleted, this,
transient_id));
}
void SystemStorageGetAvailableCapacityFunction::OnQueryCompleted(
const std::string& transient_id,
double available_capacity) {
bool success = available_capacity >= 0;
if (success) {
api::system_storage::StorageAvailableCapacityInfo result;
result.id = transient_id;
result.available_capacity = available_capacity;
Respond(WithArguments(result.ToValue()));
} else {
Respond(Error("Error occurred when querying available capacity."));
}
}
} // namespace extensions
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