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// Copyright 2014 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/extensions/file_manager/device_event_router.h"
#include "base/functional/bind.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/ash/file_manager/volume_manager.h"
#include "chromeos/ash/components/disks/disk.h"
#include "content/public/browser/browser_thread.h"
namespace file_manager {
namespace file_manager_private = extensions::api::file_manager_private;
using content::BrowserThread;
DeviceEventRouter::DeviceEventRouter(
SystemNotificationManager* notification_manager)
: notification_manager_(notification_manager),
resume_time_delta_(base::Seconds(10)),
startup_time_delta_(base::Seconds(10)),
is_starting_up_(false),
is_resuming_(false) {}
DeviceEventRouter::DeviceEventRouter(
SystemNotificationManager* notification_manager,
base::TimeDelta overriding_time_delta)
: notification_manager_(notification_manager),
resume_time_delta_(overriding_time_delta),
startup_time_delta_(overriding_time_delta),
is_starting_up_(false),
is_resuming_(false) {}
DeviceEventRouter::~DeviceEventRouter() = default;
void DeviceEventRouter::Startup() {
is_starting_up_ = true;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&DeviceEventRouter::StartupDelayed,
weak_factory_.GetWeakPtr()),
startup_time_delta_);
}
void DeviceEventRouter::StartupDelayed() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
is_starting_up_ = false;
}
void DeviceEventRouter::OnDeviceAdded(const std::string& device_path) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
SetDeviceState(device_path, DEVICE_STATE_USUAL);
}
void DeviceEventRouter::OnDeviceRemoved(const std::string& device_path) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
SetDeviceState(device_path, DEVICE_STATE_USUAL);
OnDeviceEvent(file_manager_private::DeviceEventType::kRemoved, device_path,
"");
}
void DeviceEventRouter::OnDiskAdded(const ash::disks::Disk& disk,
bool mounting) {
// Do nothing.
}
void DeviceEventRouter::OnDiskAddBlockedByPolicy(
const std::string& device_path) {
OnDeviceEvent(file_manager_private::DeviceEventType::kDisabled, device_path,
"");
}
void DeviceEventRouter::OnDiskRemoved(const ash::disks::Disk& disk) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
if (is_resuming_ || is_starting_up_) {
return;
}
const std::string& device_path = disk.storage_device_path();
if (!disk.is_read_only() && disk.is_mounted() &&
GetDeviceState(device_path) != DEVICE_HARD_UNPLUGGED_AND_REPORTED) {
OnDeviceEvent(file_manager_private::DeviceEventType::kHardUnplugged,
device_path, disk.device_label());
SetDeviceState(device_path, DEVICE_HARD_UNPLUGGED_AND_REPORTED);
}
}
void DeviceEventRouter::OnVolumeMounted(ash::MountError error_code,
const Volume& volume) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
const std::string& device_path = volume.storage_device_path().AsUTF8Unsafe();
SetDeviceState(device_path, DEVICE_STATE_USUAL);
}
void DeviceEventRouter::OnVolumeUnmounted(ash::MountError error_code,
const Volume& volume) {
// Do nothing.
}
void DeviceEventRouter::OnFormatStarted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
if (success) {
OnDeviceEvent(file_manager_private::DeviceEventType::kFormatStart,
device_path, device_label);
} else {
OnDeviceEvent(file_manager_private::DeviceEventType::kFormatFail,
device_path, device_label);
}
}
void DeviceEventRouter::OnFormatCompleted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnDeviceEvent(success ? file_manager_private::DeviceEventType::kFormatSuccess
: file_manager_private::DeviceEventType::kFormatFail,
device_path, device_label);
}
void DeviceEventRouter::OnPartitionStarted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
if (success) {
OnDeviceEvent(file_manager_private::DeviceEventType::kPartitionStart,
device_path, device_label);
} else {
OnDeviceEvent(file_manager_private::DeviceEventType::kPartitionFail,
device_path, device_label);
}
}
void DeviceEventRouter::OnPartitionCompleted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnDeviceEvent(success
? file_manager_private::DeviceEventType::kPartitionSuccess
: file_manager_private::DeviceEventType::kPartitionFail,
device_path, device_label);
}
void DeviceEventRouter::OnRenameStarted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnDeviceEvent(success ? file_manager_private::DeviceEventType::kRenameStart
: file_manager_private::DeviceEventType::kRenameFail,
device_path, device_label);
}
void DeviceEventRouter::OnRenameCompleted(const std::string& device_path,
const std::string& device_label,
bool success) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnDeviceEvent(success ? file_manager_private::DeviceEventType::kRenameSuccess
: file_manager_private::DeviceEventType::kRenameFail,
device_path, device_label);
}
void DeviceEventRouter::SuspendImminent(
power_manager::SuspendImminent::Reason reason) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
is_resuming_ = true;
}
void DeviceEventRouter::SuspendDone(base::TimeDelta sleep_duration) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&DeviceEventRouter::SuspendDoneDelayed,
weak_factory_.GetWeakPtr()),
resume_time_delta_);
}
void DeviceEventRouter::SuspendDoneDelayed() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
is_resuming_ = false;
}
DeviceState DeviceEventRouter::GetDeviceState(
const std::string& device_path) const {
const std::map<std::string, DeviceState>::const_iterator it =
device_states_.find(device_path);
return it != device_states_.end() ? it->second : DEVICE_STATE_USUAL;
}
void DeviceEventRouter::SetDeviceState(const std::string& device_path,
DeviceState state) {
if (state != DEVICE_STATE_USUAL) {
device_states_[device_path] = state;
} else {
const std::map<std::string, DeviceState>::iterator it =
device_states_.find(device_path);
if (it != device_states_.end()) {
device_states_.erase(it);
}
}
}
} // namespace file_manager
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