chrome/browser/local_discovery/cloud_device_list.cc

   1 // Copyright 2014 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/local_discovery/cloud_device_list.h"
   6
   7 #include <utility>
   8
   9 #include "base/strings/stringprintf.h"
  10 #include "chrome/browser/local_discovery/gcd_constants.h"
  11 #include "components/cloud_devices/common/cloud_devices_urls.h"
  12
  13 namespace local_discovery {
  14
  15 namespace {
  16 const char kKindDevicesList[] = "clouddevices#devicesListResponse";
  17 }
  18
  19 CloudDeviceList::CloudDeviceList(CloudDeviceListDelegate* delegate)
  20     : delegate_(delegate) {
  21 }
  22
  23 CloudDeviceList::~CloudDeviceList() {
  24 }
  25
  26 void CloudDeviceList::OnGCDAPIFlowError(GCDApiFlow::Status status) {
  27   delegate_->OnDeviceListUnavailable();
  28 }
  29
  30 void CloudDeviceList::OnGCDAPIFlowComplete(const base::DictionaryValue& value) {
  31   std::string kind;
  32   value.GetString(kGCDKeyKind, &kind);
  33
  34   const base::ListValue* devices = NULL;
  35   if (kind != kKindDevicesList || !value.GetList("devices", &devices)) {
  36     delegate_->OnDeviceListUnavailable();
  37     return;
  38   }
  39
  40   std::vector<CloudDeviceListDelegate::Device> result;
  41   for (base::ListValue::const_iterator i = devices->begin();
  42        i != devices->end(); i++) {
  43     base::DictionaryValue* device;
  44     CloudDeviceListDelegate::Device details;
  45
  46     if (!(*i)->GetAsDictionary(&device))
  47       continue;
  48
  49     if (!FillDeviceDetails(*device, &details))
  50       continue;
  51
  52     result.push_back(details);
  53   }
  54
  55   delegate_->OnDeviceListReady(result);
  56 }
  57
  58 GURL CloudDeviceList::GetURL() {
  59   return cloud_devices::GetCloudDevicesRelativeURL("devices");
  60 }
  61
  62 bool CloudDeviceList::FillDeviceDetails(
  63     const base::DictionaryValue& device_value,
  64     CloudDeviceListDelegate::Device* details) {
  65   if (!device_value.GetString("id", &details->id))
  66     return false;
  67
  68   if (!device_value.GetString("displayName", &details->display_name) &&
  69       !device_value.GetString("systemName", &details->display_name)) {
  70     return false;
  71   }
  72
  73   if (!device_value.GetString("deviceKind", &details->type))
  74     return false;
  75
  76   // Non-essential.
  77   device_value.GetString("description", &details->description);
  78
  79   return true;
  80 }
  81
  82 }  // namespace local_discovery