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// Copyright 2021 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/ash/crostini/crostini_mount_provider.h"
#include <memory>
#include "base/functional/bind.h"
#include "chrome/browser/ash/crostini/crostini_util.h"
#include "chrome/browser/ash/guest_os/guest_os_session_tracker.h"
#include "chrome/browser/ash/guest_os/guest_os_session_tracker_factory.h"
#include "chrome/browser/ash/guest_os/public/types.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
namespace crostini {
CrostiniMountProvider::CrostiniMountProvider(Profile* profile,
guest_os::GuestId container_id)
: profile_(profile), container_id_(container_id) {}
CrostiniMountProvider::~CrostiniMountProvider() = default;
// GuestOsMountProvider overrides
Profile* CrostiniMountProvider::profile() {
return profile_;
}
std::string CrostiniMountProvider::DisplayName() {
return FormatForUi(container_id_);
}
guest_os::GuestId CrostiniMountProvider::GuestId() {
return container_id_;
}
guest_os::VmType CrostiniMountProvider::vm_type() {
return guest_os::VmType::TERMINA;
}
void CrostiniMountProvider::Prepare(PrepareCallback callback) {
auto* manager = CrostiniManager::GetForProfile(profile_);
manager->RestartCrostini(
container_id_,
base::BindOnce(&CrostiniMountProvider::OnRestarted,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void CrostiniMountProvider::OnRestarted(PrepareCallback callback,
CrostiniResult result) {
if (result != CrostiniResult::SUCCESS) {
std::move(callback).Run(false, 0, 0, base::FilePath());
return;
}
auto* manager = CrostiniManager::GetForProfile(profile_);
if (!container_shutdown_observer_.IsObserving()) {
container_shutdown_observer_.Observe(manager);
}
// The container's finished booting but we need to wait for the session
// tracker to update which races against CrostiniManager calling us.
subscription_ =
guest_os::GuestOsSessionTrackerFactory::GetForProfile(profile_)
->RunOnceContainerStarted(container_id_,
base::BindOnce(
[](PrepareCallback callback,
guest_os::GuestInfo container_info) {
std::move(callback).Run(
true, container_info.cid,
container_info.sftp_vsock_port,
container_info.homedir);
},
std::move(callback)));
}
std::unique_ptr<guest_os::GuestOsFileWatcher>
CrostiniMountProvider::CreateFileWatcher(base::FilePath mount_path,
base::FilePath relative_path) {
return std::make_unique<guest_os::GuestOsFileWatcher>(
ash::ProfileHelper::GetUserIdHashFromProfile(profile_), container_id_,
std::move(mount_path), std::move(relative_path));
}
void CrostiniMountProvider::OnContainerShutdown(
const guest_os::GuestId& container_id) {
if (container_id != container_id_) {
return;
}
// No-op if we're not mounted.
Unmount();
container_shutdown_observer_.Reset();
}
} // namespace crostini
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