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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 #if defined(OS_MACOSX) |
| 21 #include "components/bubble/bubble_ui.h" |
| 22 #else |
| 23 #include "chrome/browser/ui/views/website_settings/chooser_bubble_ui_view.h" |
| 24 #endif |
| 25 |
| 26 namespace { |
| 27 |
| 28 // Check if the origin is in the description set. |
| 29 bool FindOriginInDescriptorSet(const device::WebUsbDescriptorSet* set, |
| 30 const GURL& origin) { |
| 31 if (!set) |
| 32 return false; |
| 33 |
| 34 if (ContainsValue(set->origins, origin)) |
| 35 return true; |
| 36 |
| 37 for (const auto& config : set->configurations) { |
| 38 if (ContainsValue(config.origins, origin)) |
| 39 return true; |
| 40 |
| 41 for (const auto& function : config.functions) { |
| 42 if (ContainsValue(function.origins, origin)) |
| 43 return true; |
| 44 } |
| 45 } |
| 46 |
| 47 return false; |
| 48 } |
| 49 |
| 50 } // namespace |
| 51 |
| 52 UsbChooserBubbleDelegate::UsbChooserBubbleDelegate( |
| 53 Browser* browser, |
| 54 mojo::Array<device::usb::DeviceFilterPtr> device_filters, |
| 55 content::RenderFrameHost* render_frame_host, |
| 56 const webusb::WebUsbPermissionBubble::GetPermissionCallback& callback) |
| 57 : browser_(browser), |
| 58 render_frame_host_(render_frame_host), |
| 59 callback_(callback), |
| 60 usb_service_observer_(this), |
| 61 weak_factory_(this) { |
| 62 DCHECK(browser_); |
| 63 device::UsbService* usb_service = |
| 64 device::DeviceClient::Get()->GetUsbService(); |
| 65 if (!usb_service) |
| 66 return; |
| 67 |
| 68 if (!usb_service_observer_.IsObserving(usb_service)) |
| 69 usb_service_observer_.Add(usb_service); |
| 70 |
| 71 if (!device_filters.is_null()) |
| 72 filters_ = device_filters.To<std::vector<device::UsbDeviceFilter>>(); |
| 73 |
| 74 usb_service->GetDevices(base::Bind( |
| 75 &UsbChooserBubbleDelegate::GotUsbDeviceList, weak_factory_.GetWeakPtr())); |
| 76 } |
| 77 |
| 78 UsbChooserBubbleDelegate::~UsbChooserBubbleDelegate() { |
| 79 if (!callback_.is_null()) |
| 80 callback_.Run(nullptr); |
| 81 } |
| 82 |
| 83 scoped_ptr<BubbleUi> UsbChooserBubbleDelegate::BuildBubbleUi() { |
| 84 scoped_ptr<BubbleUi> bubble_ui; |
| 85 // TODO(juncai): Add chooser bubble ui cocoa code for Mac. |
| 86 // Please refer to http://crbug.com/492204 for more information. |
| 87 #if !defined(OS_MACOSX) |
| 88 bubble_ui.reset(new ChooserBubbleUiView(browser_, this)); |
| 89 #endif |
| 90 return bubble_ui.Pass(); |
| 91 } |
| 92 |
| 93 const std::vector<base::string16>& UsbChooserBubbleDelegate::GetOptions() |
| 94 const { |
| 95 return devices_names_; |
| 96 } |
| 97 |
| 98 void UsbChooserBubbleDelegate::Select(int index) { |
| 99 size_t idx = static_cast<size_t>(index); |
| 100 size_t num_options = devices_.size(); |
| 101 DCHECK_LT(idx, num_options); |
| 102 if (idx < num_options) { |
| 103 content::WebContents* web_contents = |
| 104 content::WebContents::FromRenderFrameHost(render_frame_host_); |
| 105 GURL embedding_origin = |
| 106 web_contents->GetMainFrame()->GetLastCommittedURL().GetOrigin(); |
| 107 Profile* profile = |
| 108 Profile::FromBrowserContext(web_contents->GetBrowserContext()); |
| 109 UsbChooserContext* chooser_context = |
| 110 UsbChooserContextFactory::GetForProfile(profile); |
| 111 chooser_context->GrantDevicePermission( |
| 112 render_frame_host_->GetLastCommittedURL().GetOrigin(), embedding_origin, |
| 113 devices_[idx]->guid()); |
| 114 |
| 115 device::usb::DeviceInfoPtr device_info_ptr = |
| 116 device::usb::DeviceInfo::From(*devices_[idx]); |
| 117 callback_.Run(device_info_ptr.Pass()); |
| 118 } else { |
| 119 callback_.Run(nullptr); |
| 120 } |
| 121 callback_.reset(); // Reset |callback_| so that it is only run once. |
| 122 } |
| 123 |
| 124 void UsbChooserBubbleDelegate::Cancel() {} |
| 125 |
| 126 void UsbChooserBubbleDelegate::Close() {} |
| 127 |
| 128 void UsbChooserBubbleDelegate::OnDeviceAdded( |
| 129 scoped_refptr<device::UsbDevice> device) { |
| 130 DCHECK(!ContainsValue(devices_, device)); |
| 131 if (device::UsbDeviceFilter::MatchesAny(device, filters_) && |
| 132 FindOriginInDescriptorSet( |
| 133 device->webusb_allowed_origins(), |
| 134 render_frame_host_->GetLastCommittedURL().GetOrigin())) { |
| 135 devices_.push_back(device); |
| 136 devices_names_.push_back(device->product_string()); |
| 137 if (observer()) |
| 138 observer()->OnOptionAdded(static_cast<int>(devices_names_.size()) - 1); |
| 139 } |
| 140 } |
| 141 |
| 142 void UsbChooserBubbleDelegate::OnDeviceRemoved( |
| 143 scoped_refptr<device::UsbDevice> device) { |
| 144 auto iter = std::find(devices_.begin(), devices_.end(), device); |
| 145 if (iter != devices_.end()) { |
| 146 int index = iter - devices_.begin(); |
| 147 devices_.erase(iter); |
| 148 devices_names_.erase(devices_names_.begin() + index); |
| 149 if (observer()) |
| 150 observer()->OnOptionRemoved(index); |
| 151 } |
| 152 } |
| 153 |
| 154 // Get a list of devices that can be shown in the chooser bubble UI for |
| 155 // user to grant permsssion. |
| 156 void UsbChooserBubbleDelegate::GotUsbDeviceList( |
| 157 const std::vector<scoped_refptr<device::UsbDevice>>& devices) { |
| 158 for (const auto& device : devices) { |
| 159 if (device::UsbDeviceFilter::MatchesAny(device, filters_) && |
| 160 FindOriginInDescriptorSet( |
| 161 device->webusb_allowed_origins(), |
| 162 render_frame_host_->GetLastCommittedURL().GetOrigin())) { |
| 163 devices_.push_back(device); |
| 164 devices_names_.push_back(device->product_string()); |
| 165 } |
| 166 } |
| 167 if (observer()) |
| 168 observer()->OnOptionsInitialized(); |
| 169 } |
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