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