chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc

   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/extensions/api/cast_devices_private/cast_devices_private_api.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/common/extensions/api/cast_devices_private.h"
  10
  11 namespace extensions {
  12
  13 namespace {
  14
  15 ash::CastConfigDelegate::Receiver ConvertReceiverType(
  16     const api::cast_devices_private::Receiver& receiver) {
  17   ash::CastConfigDelegate::Receiver result;
  18   result.id = receiver.id;
  19   result.name = base::UTF8ToUTF16(receiver.name);
  20   return result;
  21 }
  22
  23 ash::CastConfigDelegate::Activity ConvertActivityType(
  24     const api::cast_devices_private::Activity& activity) {
  25   ash::CastConfigDelegate::Activity result;
  26   result.id = activity.id;
  27   result.title = base::UTF8ToUTF16(activity.title);
  28   if (activity.tab_id)
  29     result.tab_id = *activity.tab_id;
  30   else
  31     result.tab_id = ash::CastConfigDelegate::Activity::TabId::UNKNOWN;
  32   return result;
  33 }
  34
  35 ash::CastConfigDelegate::ReceiverAndActivity ConvertReceiverAndActivityType(
  36     const api::cast_devices_private::Receiver& receiver,
  37     const api::cast_devices_private::Activity* activity) {
  38   ash::CastConfigDelegate::ReceiverAndActivity result;
  39   result.receiver = ConvertReceiverType(receiver);
  40   if (activity)
  41     result.activity = ConvertActivityType(*activity);
  42   return result;
  43 }
  44
  45 }  // namespace
  46
  47 static base::LazyInstance<
  48     BrowserContextKeyedAPIFactory<CastDeviceUpdateListeners>> g_factory =
  49     LAZY_INSTANCE_INITIALIZER;
  50
  51 // static
  52 BrowserContextKeyedAPIFactory<CastDeviceUpdateListeners>*
  53 CastDeviceUpdateListeners::GetFactoryInstance() {
  54   return g_factory.Pointer();
  55 }
  56
  57 // static
  58 CastDeviceUpdateListeners* CastDeviceUpdateListeners::Get(
  59     content::BrowserContext* context) {
  60   return BrowserContextKeyedAPIFactory<CastDeviceUpdateListeners>::Get(context);
  61 }
  62
  63 CastDeviceUpdateListeners::CastDeviceUpdateListeners(
  64     content::BrowserContext* context) {}
  65
  66 CastDeviceUpdateListeners::~CastDeviceUpdateListeners() {}
  67
  68 ash::CastConfigDelegate::DeviceUpdateSubscription
  69 CastDeviceUpdateListeners::RegisterCallback(
  70     const ash::CastConfigDelegate::ReceiversAndActivitesCallback& callback) {
  71   return callback_list_.Add(callback);
  72 }
  73
  74 void CastDeviceUpdateListeners::NotifyCallbacks(
  75     const ReceiverAndActivityList& devices) {
  76   callback_list_.Notify(devices);
  77 }
  78
  79 CastDevicesPrivateUpdateDevicesFunction::
  80     CastDevicesPrivateUpdateDevicesFunction() {}
  81
  82 CastDevicesPrivateUpdateDevicesFunction::
  83     ~CastDevicesPrivateUpdateDevicesFunction() {}
  84
  85 ExtensionFunction::ResponseAction
  86 CastDevicesPrivateUpdateDevicesFunction::Run() {
  87   auto params =
  88       api::cast_devices_private::UpdateDevices::Params::Create(*args_);
  89
  90   CastDeviceUpdateListeners::ReceiverAndActivityList devices;
  91   for (linked_ptr<api::cast_devices_private::ReceiverActivity> device :
  92        params->devices) {
  93     devices.push_back(ConvertReceiverAndActivityType(device->receiver,
  94                                                      device->activity.get()));
  95   }
  96
  97   auto listeners = CastDeviceUpdateListeners::Get(browser_context());
  98   listeners->NotifyCallbacks(devices);
  99
 100   return RespondNow(NoArguments());
 101 }
 102
 103 }  // namespace extensions