file_manager: Move non-binding code to c/b/chromeos/file_manager

chrome/browser/chromeos/extensions/file_manager/mounted_disk_monitor.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/extensions/file_manager/mounted_disk_monitor.h"
-
-#include "base/bind.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "content/public/browser/browser_thread.h"
-
-using chromeos::DBusThreadManager;
-using chromeos::disks::DiskMountManager;
-
-namespace file_manager {
-namespace {
-
-// Time span of the resuming process. All unmount events sent during this
-// time are considered as being part of remounting process, since remounting
-// is done just after resuming.
-const base::TimeDelta kResumingTimeSpan = base::TimeDelta::FromSeconds(5);
-
-}  // namespace
-
-MountedDiskMonitor::MountedDiskMonitor()
-    : is_resuming_(false),
-      weak_factory_(this) {
-  DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
-  DiskMountManager* disk_mount_manager = DiskMountManager::GetInstance();
-  if (disk_mount_manager) {
-    disk_mount_manager->AddObserver(this);
-    disk_mount_manager->RequestMountInfoRefresh();
-  }
-}
-
-MountedDiskMonitor::~MountedDiskMonitor() {
-  DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
-  DiskMountManager* disk_mount_manager = DiskMountManager::GetInstance();
-  if (disk_mount_manager)
-    disk_mount_manager->RemoveObserver(this);
-}
-
-void MountedDiskMonitor::SuspendImminent() {
-  is_resuming_ = false;
-  weak_factory_.InvalidateWeakPtrs();
-}
-
-void MountedDiskMonitor::SystemResumed(
-    const base::TimeDelta& sleep_duration) {
-  is_resuming_ = true;
-  // Undo any previous resets.
-  weak_factory_.InvalidateWeakPtrs();
-  base::MessageLoopProxy::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&MountedDiskMonitor::Reset,
-                 weak_factory_.GetWeakPtr()),
-      kResumingTimeSpan);
-}
-
-bool MountedDiskMonitor::DiskIsRemounting(
-    const DiskMountManager::Disk& disk) const {
-  return unmounted_while_resuming_.count(disk.fs_uuid()) > 0;
-}
-
-void MountedDiskMonitor::OnMountEvent(
-    chromeos::disks::DiskMountManager::MountEvent event,
-    chromeos::MountError error_code,
-    const chromeos::disks::DiskMountManager::MountPointInfo& mount_info) {
-  if (mount_info.mount_type != chromeos::MOUNT_TYPE_DEVICE)
-    return;
-
-  switch (event) {
-    case DiskMountManager::MOUNTING: {
-      DiskMountManager* disk_mount_manager = DiskMountManager::GetInstance();
-      const DiskMountManager::Disk* disk =
-          disk_mount_manager->FindDiskBySourcePath(mount_info.source_path);
-      if (!disk || error_code != chromeos::MOUNT_ERROR_NONE)
-        return;
-      mounted_disks_[mount_info.source_path] = disk->fs_uuid();
-      break;
-    }
-
-    case DiskMountManager::UNMOUNTING: {
-      DiskMap::iterator it = mounted_disks_.find(mount_info.source_path);
-      if (it == mounted_disks_.end())
-        return;
-      const std::string& fs_uuid = it->second;
-      if (is_resuming_)
-        unmounted_while_resuming_.insert(fs_uuid);
-      mounted_disks_.erase(it);
-      break;
-    }
-  }
-}
-
-void MountedDiskMonitor::OnDiskEvent(
-    chromeos::disks::DiskMountManager::DiskEvent event,
-    const chromeos::disks::DiskMountManager::Disk* disk) {
-}
-
-void MountedDiskMonitor::OnDeviceEvent(
-    chromeos::disks::DiskMountManager::DeviceEvent event,
-    const std::string& device_path) {
-}
-
-void MountedDiskMonitor::OnFormatEvent(
-    chromeos::disks::DiskMountManager::FormatEvent event,
-    chromeos::FormatError error_code,
-    const std::string& device_path) {
-}
-
-void MountedDiskMonitor::Reset() {
-  unmounted_while_resuming_.clear();
-  is_resuming_ = false;
-}
-
-}  // namespace file_manager