1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
// Copyright 2015 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/usb/usb_chooser_bubble_delegate.h"
#include "base/bind.h"
#include "base/stl_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/usb/usb_chooser_context.h"
#include "chrome/browser/usb/usb_chooser_context_factory.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "device/core/device_client.h"
#include "device/devices_app/usb/type_converters.h"
#include "device/usb/usb_device.h"
#include "device/usb/usb_device_filter.h"
#include "url/gurl.h"
namespace {
// Check if the origin is in the description set.
bool FindOriginInDescriptorSet(const device::WebUsbDescriptorSet* set,
const GURL& origin) {
if (!set)
return false;
if (ContainsValue(set->origins, origin))
return true;
for (const auto& config : set->configurations) {
if (ContainsValue(config.origins, origin))
return true;
for (const auto& function : config.functions) {
if (ContainsValue(function.origins, origin))
return true;
}
}
return false;
}
} // namespace
UsbChooserBubbleDelegate::UsbChooserBubbleDelegate(
Browser* browser,
mojo::Array<device::usb::DeviceFilterPtr> device_filters,
content::RenderFrameHost* render_frame_host,
const webusb::WebUsbPermissionBubble::GetPermissionCallback& callback)
: ChooserBubbleDelegate(browser),
render_frame_host_(render_frame_host),
callback_(callback),
usb_service_observer_(this),
weak_factory_(this) {
device::UsbService* usb_service =
device::DeviceClient::Get()->GetUsbService();
if (!usb_service)
return;
if (!usb_service_observer_.IsObserving(usb_service))
usb_service_observer_.Add(usb_service);
if (!device_filters.is_null())
filters_ = device_filters.To<std::vector<device::UsbDeviceFilter>>();
usb_service->GetDevices(base::Bind(
&UsbChooserBubbleDelegate::GotUsbDeviceList, weak_factory_.GetWeakPtr()));
}
UsbChooserBubbleDelegate::~UsbChooserBubbleDelegate() {
if (!callback_.is_null())
callback_.Run(nullptr);
}
const std::vector<base::string16>& UsbChooserBubbleDelegate::GetOptions()
const {
return devices_names_;
}
void UsbChooserBubbleDelegate::Select(int index) {
size_t idx = static_cast<size_t>(index);
size_t num_options = devices_.size();
DCHECK_LT(idx, num_options);
if (idx < num_options) {
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host_);
GURL embedding_origin =
web_contents->GetMainFrame()->GetLastCommittedURL().GetOrigin();
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
UsbChooserContext* chooser_context =
UsbChooserContextFactory::GetForProfile(profile);
chooser_context->GrantDevicePermission(
render_frame_host_->GetLastCommittedURL().GetOrigin(), embedding_origin,
devices_[idx]->guid());
device::usb::DeviceInfoPtr device_info_ptr =
device::usb::DeviceInfo::From(*devices_[idx]);
callback_.Run(device_info_ptr.Pass());
} else {
callback_.Run(nullptr);
}
callback_.reset(); // Reset |callback_| so that it is only run once.
}
void UsbChooserBubbleDelegate::Cancel() {}
void UsbChooserBubbleDelegate::Close() {}
void UsbChooserBubbleDelegate::OnDeviceAdded(
scoped_refptr<device::UsbDevice> device) {
DCHECK(!ContainsValue(devices_, device));
if (device::UsbDeviceFilter::MatchesAny(device, filters_) &&
FindOriginInDescriptorSet(
device->webusb_allowed_origins(),
render_frame_host_->GetLastCommittedURL().GetOrigin())) {
devices_.push_back(device);
devices_names_.push_back(device->product_string());
if (observer())
observer()->OnOptionAdded(static_cast<int>(devices_names_.size()) - 1);
}
}
void UsbChooserBubbleDelegate::OnDeviceRemoved(
scoped_refptr<device::UsbDevice> device) {
auto iter = std::find(devices_.begin(), devices_.end(), device);
if (iter != devices_.end()) {
int index = iter - devices_.begin();
devices_.erase(iter);
devices_names_.erase(devices_names_.begin() + index);
if (observer())
observer()->OnOptionRemoved(index);
}
}
// Get a list of devices that can be shown in the chooser bubble UI for
// user to grant permsssion.
void UsbChooserBubbleDelegate::GotUsbDeviceList(
const std::vector<scoped_refptr<device::UsbDevice>>& devices) {
for (const auto& device : devices) {
if (device::UsbDeviceFilter::MatchesAny(device, filters_) &&
FindOriginInDescriptorSet(
device->webusb_allowed_origins(),
render_frame_host_->GetLastCommittedURL().GetOrigin())) {
devices_.push_back(device);
devices_names_.push_back(device->product_string());
}
}
if (observer())
observer()->OnOptionsInitialized();
}
|