src/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 <utility>
   6
   7 #include "base/strings/stringprintf.h"
   8 #include "chrome/browser/local_discovery/cloud_print_printer_list.h"
   9 #include "chrome/common/cloud_print/cloud_print_constants.h"
  10
  11 namespace local_discovery {
  12
  13 namespace {
  14 const char kPrinterListURLFormat[] = "%s/search";
  15 }
  16
  17 CloudPrintPrinterList::CloudPrintPrinterList(
  18     net::URLRequestContextGetter* request_context,
  19     const std::string& cloud_print_url,
  20     OAuth2TokenService* token_service,
  21     const std::string& account_id,
  22     Delegate* delegate)
  23     : request_context_(request_context),
  24       url_(base::StringPrintf(kPrinterListURLFormat, cloud_print_url.c_str())),
  25       delegate_(delegate),
  26       api_flow_(request_context_,
  27                 token_service,
  28                 account_id,
  29                 url_,
  30                 this) {
  31 }
  32
  33
  34 CloudPrintPrinterList::~CloudPrintPrinterList() {
  35 }
  36
  37 void CloudPrintPrinterList::Start() {
  38   api_flow_.Start();
  39 }
  40
  41 const CloudPrintPrinterList::PrinterDetails*
  42 CloudPrintPrinterList::GetDetailsFor(const std::string& id) {
  43   PrinterIDMap::iterator found = printer_id_map_.find(id);
  44   if (found != printer_id_map_.end()) {
  45     return &printer_list_[found->second];
  46   }
  47
  48   return NULL;
  49 }
  50
  51 void CloudPrintPrinterList::OnCloudPrintAPIFlowError(
  52       CloudPrintBaseApiFlow* flow,
  53       CloudPrintBaseApiFlow::Status status) {
  54   delegate_->OnCloudPrintPrinterListUnavailable();
  55 }
  56
  57
  58 void CloudPrintPrinterList::OnCloudPrintAPIFlowComplete(
  59       CloudPrintBaseApiFlow* flow,
  60       const base::DictionaryValue* value) {
  61   const base::ListValue* printers;
  62
  63   if (!value->GetList(cloud_print::kPrinterListValue, &printers)) {
  64     delegate_->OnCloudPrintPrinterListUnavailable();
  65     return;
  66   }
  67
  68   for (base::ListValue::const_iterator i = printers->begin();
  69        i != printers->end();
  70        i++) {
  71     base::DictionaryValue* printer;
  72     PrinterDetails printer_details;
  73
  74     if (!(*i)->GetAsDictionary(&printer))
  75       continue;
  76
  77     if (!FillPrinterDetails(printer, &printer_details)) continue;
  78
  79     std::pair<PrinterIDMap::iterator, bool> inserted =
  80         printer_id_map_.insert(
  81             make_pair(printer_details.id, printer_list_.size()) );
  82
  83     if (inserted.second) {  // ID is new.
  84       printer_list_.push_back(printer_details);
  85     }
  86   }
  87
  88   delegate_->OnCloudPrintPrinterListReady();
  89 }
  90
  91 bool CloudPrintPrinterList::FillPrinterDetails(
  92     const base::DictionaryValue* printer_value,
  93     PrinterDetails* printer_details) {
  94   if (!printer_value->GetString(cloud_print::kIdValue, &printer_details->id))
  95     return false;
  96
  97   if (!printer_value->GetString(cloud_print::kDisplayNameValue,
  98                                 &printer_details->display_name)) {
  99     return false;
 100   }
 101
 102   // Non-essential.
 103   printer_value->GetString(cloud_print::kPrinterDescValue,
 104                            &printer_details->description);
 105
 106   return true;
 107 }
 108
 109 CloudPrintPrinterList::PrinterDetails::PrinterDetails() {
 110 }
 111
 112 CloudPrintPrinterList::PrinterDetails::~PrinterDetails() {
 113 }
 114
 115 }  // namespace local_discovery