Extensions: Move cast_channel and hid APIs to extensions/.

chrome/browser/extensions/api/hid/hid_device_manager.cc

-// Copyright 2014 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/extensions/api/hid/hid_device_manager.h"
-
-#include <limits>
-#include <vector>
-
-#include "base/lazy_instance.h"
-#include "device/hid/hid_service.h"
-
-using device::HidService;
-using device::HidUsageAndPage;
-
-namespace extensions {
-
-HidDeviceManager::HidDeviceManager(content::BrowserContext* context)
-  : next_resource_id_(0) {}
-
-HidDeviceManager::~HidDeviceManager() {}
-
-// static
-BrowserContextKeyedAPIFactory<HidDeviceManager>*
-HidDeviceManager::GetFactoryInstance() {
-  static base::LazyInstance<BrowserContextKeyedAPIFactory<HidDeviceManager> >
-      factory = LAZY_INSTANCE_INITIALIZER;
-  return &factory.Get();
-}
-
-scoped_ptr<base::ListValue> HidDeviceManager::GetApiDevices(
-    uint16_t vendor_id,
-    uint16_t product_id) {
-  UpdateDevices();
-
-  HidService* hid_service = HidService::GetInstance();
-  DCHECK(hid_service);
-  base::ListValue* api_devices = new base::ListValue();
-  for (ResourceIdToDeviceIdMap::const_iterator device_iter =
-           device_ids_.begin();
-       device_iter != device_ids_.end();
-       ++device_iter) {
-    int resource_id = device_iter->first;
-    device::HidDeviceId device_id = device_iter->second;
-    device::HidDeviceInfo device_info;
-
-    if (hid_service->GetDeviceInfo(device_id, &device_info)) {
-      if (device_info.vendor_id == vendor_id &&
-          device_info.product_id == product_id) {
-        api::hid::HidDeviceInfo api_device_info;
-        api_device_info.device_id = resource_id;
-        api_device_info.vendor_id = device_info.vendor_id;
-        api_device_info.product_id = device_info.product_id;
-        api_device_info.max_input_report_size =
-            device_info.max_input_report_size;
-        api_device_info.max_output_report_size =
-            device_info.max_output_report_size;
-        api_device_info.max_feature_report_size =
-            device_info.max_feature_report_size;
-
-        for (std::vector<device::HidCollectionInfo>::const_iterator
-                 collections_iter = device_info.collections.begin();
-             collections_iter != device_info.collections.end();
-             ++collections_iter) {
-          device::HidCollectionInfo collection = *collections_iter;
-
-          // Don't expose sensitive data.
-          if (collection.usage.IsProtected()) {
-            continue;
-          }
-
-          api::hid::HidCollectionInfo* api_collection =
-              new api::hid::HidCollectionInfo();
-          api_collection->usage_page = collection.usage.usage_page;
-          api_collection->usage = collection.usage.usage;
-
-          api_collection->report_ids.resize(collection.report_ids.size());
-          std::copy(collection.report_ids.begin(),
-                    collection.report_ids.end(),
-                    api_collection->report_ids.begin());
-
-          api_device_info.collections.push_back(
-              make_linked_ptr(api_collection));
-        }
-
-        // Expose devices with which user can communicate.
-        if (api_device_info.collections.size() > 0)
-          api_devices->Append(api_device_info.ToValue().release());
-      }
-    }
-  }
-
-  return scoped_ptr<base::ListValue>(api_devices);
-}
-
-bool HidDeviceManager::GetDeviceInfo(int resource_id,
-                                     device::HidDeviceInfo* device_info) {
-  UpdateDevices();
-  HidService* hid_service = HidService::GetInstance();
-  DCHECK(hid_service);
-
-  ResourceIdToDeviceIdMap::const_iterator device_iter =
-      device_ids_.find(resource_id);
-  if (device_iter == device_ids_.end())
-    return false;
-
-  return hid_service->GetDeviceInfo(device_iter->second, device_info);
-}
-
-void HidDeviceManager::UpdateDevices() {
-  thread_checker_.CalledOnValidThread();
-  HidService* hid_service = HidService::GetInstance();
-  DCHECK(hid_service);
-
-  std::vector<device::HidDeviceInfo> devices;
-  hid_service->GetDevices(&devices);
-
-  // Build an updated bidi mapping between resource ID and underlying device ID.
-  DeviceIdToResourceIdMap new_resource_ids;
-  ResourceIdToDeviceIdMap new_device_ids;
-  for (std::vector<device::HidDeviceInfo>::const_iterator iter =
-           devices.begin();
-       iter != devices.end();
-       ++iter) {
-    const device::HidDeviceInfo& device_info = *iter;
-    DeviceIdToResourceIdMap::iterator resource_iter =
-        resource_ids_.find(device_info.device_id);
-    int new_id;
-    if (resource_iter != resource_ids_.end()) {
-      new_id = resource_iter->second;
-    } else {
-      DCHECK_LT(next_resource_id_, std::numeric_limits<int>::max());
-      new_id = next_resource_id_++;
-    }
-    new_resource_ids[device_info.device_id] = new_id;
-    new_device_ids[new_id] = device_info.device_id;
-  }
-  device_ids_.swap(new_device_ids);
-  resource_ids_.swap(new_resource_ids);
-}
-
-}  // namespace extensions