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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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