chrome/browser/local_discovery/cloud_print_printer_list.cc

   1 // Copyright 2013 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_print_printer_list.h"
   6
   7 #include <utility>
   8
   9 #include "base/strings/stringprintf.h"
  10 #include "chrome/common/cloud_print/cloud_print_constants.h"
  11 #include "components/cloud_devices/common/cloud_devices_urls.h"
  12
  13 namespace local_discovery {
  14
  15 CloudPrintPrinterList::CloudPrintPrinterList(CloudDeviceListDelegate* delegate)
  16     : delegate_(delegate) {
  17 }
  18
  19 CloudPrintPrinterList::~CloudPrintPrinterList() {
  20 }
  21
  22 void CloudPrintPrinterList::OnGCDAPIFlowError(GCDApiFlow::Status status) {
  23   delegate_->OnDeviceListUnavailable();
  24 }
  25
  26 void CloudPrintPrinterList::OnGCDAPIFlowComplete(
  27     const base::DictionaryValue& value) {
  28   const base::ListValue* printers;
  29
  30   if (!value.GetList(cloud_print::kPrinterListValue, &printers)) {
  31     delegate_->OnDeviceListUnavailable();
  32     return;
  33   }
  34
  35   std::vector<CloudDeviceListDelegate::Device> devices;
  36   for (base::ListValue::const_iterator i = printers->begin();
  37        i != printers->end();
  38        i++) {
  39     base::DictionaryValue* printer;
  40     CloudDeviceListDelegate::Device printer_details;
  41
  42     if (!(*i)->GetAsDictionary(&printer))
  43       continue;
  44
  45     if (!FillPrinterDetails(*printer, &printer_details))
  46       continue;
  47
  48     devices.push_back(printer_details);
  49   }
  50
  51   delegate_->OnDeviceListReady(devices);
  52 }
  53
  54 GURL CloudPrintPrinterList::GetURL() {
  55   return cloud_devices::GetCloudPrintRelativeURL("search");
  56 }
  57
  58 bool CloudPrintPrinterList::FillPrinterDetails(
  59     const base::DictionaryValue& printer_value,
  60     CloudDeviceListDelegate::Device* printer_details) {
  61   if (!printer_value.GetString(cloud_print::kIdValue, &printer_details->id))
  62     return false;
  63
  64   if (!printer_value.GetString(cloud_print::kDisplayNameValue,
  65                                &printer_details->display_name)) {
  66     return false;
  67   }
  68
  69   // Non-essential.
  70   printer_value.GetString(cloud_print::kPrinterDescValue,
  71                           &printer_details->description);
  72
  73   printer_details->type = CloudDeviceListDelegate::kDeviceTypePrinter;
  74
  75   return true;
  76 }
  77
  78 }  // namespace local_discovery