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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/chromeos/imageburner/burn_device_handler.h" | |
| 6 | |
| 7 #include <string> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "chromeos/dbus/cros_disks_client.h" | |
| 12 #include "chromeos/disks/disk_mount_manager.h" | |
| 13 | |
| 14 namespace chromeos { | |
| 15 namespace imageburner { | |
| 16 | |
| 17 using disks::DiskMountManager; | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 // Returns true when |disk| is a device on which we can burn recovery image. | |
| 22 bool IsBurnableDevice(const DiskMountManager::Disk& disk) { | |
| 23 return disk.is_parent() && !disk.on_boot_device() && disk.has_media() && | |
| 24 (disk.device_type() == DEVICE_TYPE_USB || | |
| 25 disk.device_type() == DEVICE_TYPE_SD); | |
| 26 } | |
| 27 | |
| 28 } // namespace | |
| 29 | |
| 30 BurnDeviceHandler::BurnDeviceHandler(DiskMountManager* disk_mount_manager) | |
| 31 : disk_mount_manager_(disk_mount_manager) { | |
| 32 DCHECK(disk_mount_manager_); | |
| 33 disk_mount_manager_->AddObserver(this); | |
| 34 } | |
| 35 | |
| 36 BurnDeviceHandler::~BurnDeviceHandler() { | |
| 37 disk_mount_manager_->RemoveObserver(this); | |
| 38 } | |
| 39 | |
| 40 void BurnDeviceHandler::SetCallbacks(const DiskCallback& add_callback, | |
| 41 const DiskCallback& remove_callback) { | |
| 42 add_callback_ = add_callback; | |
| 43 remove_callback_ = remove_callback; | |
| 44 } | |
| 45 | |
| 46 std::vector<DiskMountManager::Disk> BurnDeviceHandler::GetBurnableDevices() { | |
| 47 const DiskMountManager::DiskMap& disks = disk_mount_manager_->disks(); | |
| 48 std::vector<DiskMountManager::Disk> result; | |
| 49 for (DiskMountManager::DiskMap::const_iterator iter = disks.begin(); | |
| 50 iter != disks.end(); | |
| 51 ++iter) { | |
| 52 const DiskMountManager::Disk& disk = *iter->second; | |
| 53 if (IsBurnableDevice(disk)) | |
| 54 result.push_back(disk); | |
| 55 } | |
| 56 return result; | |
| 57 } | |
| 58 | |
| 59 void BurnDeviceHandler::OnDiskEvent(DiskMountManager::DiskEvent event, | |
| 60 const DiskMountManager::Disk* disk) { | |
| 61 // We are only interested in burnable devices. | |
| 62 if (!IsBurnableDevice(*disk)) | |
| 63 return; | |
| 64 | |
| 65 switch (event) { | |
| 66 case DiskMountManager::DISK_ADDED: | |
| 67 add_callback_.Run(*disk); | |
| 68 break; | |
| 69 case DiskMountManager::DISK_REMOVED: | |
| 70 remove_callback_.Run(*disk); | |
| 71 break; | |
| 72 default: { | |
| 73 // Do nothing. | |
| 74 } | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 void BurnDeviceHandler::OnDeviceEvent(DiskMountManager::DeviceEvent event, | |
| 79 const std::string& device_path) { | |
| 80 // Do nothing. | |
| 81 } | |
| 82 | |
| 83 void BurnDeviceHandler::OnMountEvent( | |
| 84 DiskMountManager::MountEvent event, | |
| 85 MountError error_code, | |
| 86 const DiskMountManager::MountPointInfo& mount_info) { | |
| 87 // Do nothing. | |
| 88 } | |
| 89 | |
| 90 void BurnDeviceHandler::OnFormatEvent(DiskMountManager::FormatEvent event, | |
| 91 FormatError error_code, | |
| 92 const std::string& device_path) { | |
| 93 // Do nothing. | |
| 94 } | |
| 95 | |
| 96 } // namespace imageburner | |
| 97 } // namespace chromeos | |
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