Video Capture Mojo (1.4c): Handle Subsequent Access

services/video_capture/video_capture_device_factory_impl.cc

 // Copyright 2016 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 <sstream>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "media/capture/video/fake_video_capture_device.h"
 #include "services/video_capture/video_capture_device_factory_impl.h"
@@ skipping 28 matching lines @@
   return descriptor_.Equals(other);
 }
 
 bool VideoCaptureDeviceFactoryImpl::DeviceEntry::is_bound() const {
   return binding_->is_bound();
 }
 
 void VideoCaptureDeviceFactoryImpl::DeviceEntry::Bind(
     mojom::VideoCaptureDeviceProxyRequest request) {
   binding_->Bind(std::move(request));
+  binding_->set_connection_error_handler(base::Bind(
+      &VideoCaptureDeviceFactoryImpl::DeviceEntry::OnConnectionErrorOrClose,
+      base::Unretained(this)));
 }
 
 void VideoCaptureDeviceFactoryImpl::DeviceEntry::Unbind() {
   binding_->Unbind();
+  device_proxy_->Stop();
+}
+
+void VideoCaptureDeviceFactoryImpl::DeviceEntry::OnConnectionErrorOrClose() {
+  Unbind();
 }
 
 VideoCaptureDeviceFactoryImpl::VideoCaptureDeviceFactoryImpl() = default;
 
 VideoCaptureDeviceFactoryImpl::~VideoCaptureDeviceFactoryImpl() = default;
 
 void VideoCaptureDeviceFactoryImpl::AddDevice(
     mojom::VideoCaptureDeviceDescriptorPtr descriptor,
     std::unique_ptr<VideoCaptureDeviceProxyImpl> device) {
   devices_.emplace_back(std::move(descriptor), std::move(device));
@@ skipping 23 matching lines @@
         entry.Unbind();
       entry.Bind(std::move(proxy_request));
       callback.Run(mojom::DeviceAccessResultCode::SUCCESS);
       return;
     }
   }
   callback.Run(mojom::DeviceAccessResultCode::ERROR_DEVICE_NOT_FOUND);
 }
 
 }  // namespace video_capture