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// 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_controller.h"
#include <stddef.h>
#include <utility>
#include "base/bind.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 "chrome/browser/usb/web_usb_histograms.h"
#include "chrome/common/url_constants.h"
#include "components/bubble/bubble_controller.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "device/core/device_client.h"
#include "device/usb/mojo/type_converters.h"
#include "device/usb/usb_device.h"
#include "device/usb/usb_device_filter.h"
#include "device/usb/webusb_descriptors.h"
#include "url/gurl.h"
UsbChooserBubbleController::UsbChooserBubbleController(
content::RenderFrameHost* owner,
mojo::Array<device::usb::DeviceFilterPtr> device_filters,
content::RenderFrameHost* render_frame_host,
const device::usb::ChooserService::GetPermissionCallback& callback)
: ChooserBubbleController(owner),
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(&UsbChooserBubbleController::GotUsbDeviceList,
weak_factory_.GetWeakPtr()));
}
UsbChooserBubbleController::~UsbChooserBubbleController() {
if (!callback_.is_null())
callback_.Run(nullptr);
}
size_t UsbChooserBubbleController::NumOptions() const {
return devices_.size();
}
const base::string16& UsbChooserBubbleController::GetOption(
size_t index) const {
DCHECK_LT(index, devices_.size());
return devices_[index].second;
}
void UsbChooserBubbleController::Select(size_t index) {
DCHECK_LT(index, devices_.size());
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_[index].first->guid());
device::usb::DeviceInfoPtr device_info_ptr =
device::usb::DeviceInfo::From(*devices_[index].first);
callback_.Run(std::move(device_info_ptr));
callback_.reset(); // Reset |callback_| so that it is only run once.
RecordWebUsbChooserClosure(
devices_[index].first->serial_number().empty()
? WEBUSB_CHOOSER_CLOSED_EPHEMERAL_PERMISSION_GRANTED
: WEBUSB_CHOOSER_CLOSED_PERMISSION_GRANTED);
if (bubble_reference_)
bubble_reference_->CloseBubble(BUBBLE_CLOSE_ACCEPTED);
}
void UsbChooserBubbleController::Cancel() {
RecordWebUsbChooserClosure(devices_.size() == 0
? WEBUSB_CHOOSER_CLOSED_CANCELLED_NO_DEVICES
: WEBUSB_CHOOSER_CLOSED_CANCELLED);
if (bubble_reference_)
bubble_reference_->CloseBubble(BUBBLE_CLOSE_CANCELED);
}
void UsbChooserBubbleController::Close() {}
void UsbChooserBubbleController::OnDeviceAdded(
scoped_refptr<device::UsbDevice> device) {
if (device::UsbDeviceFilter::MatchesAny(device, filters_) &&
FindInWebUsbAllowedOrigins(
device->webusb_allowed_origins(),
render_frame_host_->GetLastCommittedURL().GetOrigin())) {
devices_.push_back(std::make_pair(device, device->product_string()));
if (observer())
observer()->OnOptionAdded(devices_.size() - 1);
}
}
GURL UsbChooserBubbleController::GetHelpCenterUrl() const {
return GURL(chrome::kChooserUsbOverviewURL);
}
void UsbChooserBubbleController::OnDeviceRemoved(
scoped_refptr<device::UsbDevice> device) {
for (auto it = devices_.begin(); it != devices_.end(); ++it) {
if (it->first == device) {
size_t index = it - devices_.begin();
devices_.erase(it);
if (observer())
observer()->OnOptionRemoved(index);
return;
}
}
}
// Get a list of devices that can be shown in the chooser bubble UI for
// user to grant permsssion.
void UsbChooserBubbleController::GotUsbDeviceList(
const std::vector<scoped_refptr<device::UsbDevice>>& devices) {
for (const auto& device : devices) {
if (device::UsbDeviceFilter::MatchesAny(device, filters_) &&
FindInWebUsbAllowedOrigins(
device->webusb_allowed_origins(),
render_frame_host_->GetLastCommittedURL().GetOrigin())) {
devices_.push_back(std::make_pair(device, device->product_string()));
}
}
if (observer())
observer()->OnOptionsInitialized();
}
void UsbChooserBubbleController::set_bubble_reference(
BubbleReference bubble_reference) {
bubble_reference_ = bubble_reference;
}
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