cloud_print_printer_list.cc revision 58537e28ecd584eab876aee8be7156509866d23a 
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
11namespace local_discovery {
12
13namespace {
14const char kPrinterListURLFormat[] = "%s/search";
15}
16
17CloudPrintPrinterList::CloudPrintPrinterList(
18    net::URLRequestContextGetter* request_context,
19    const std::string& cloud_print_url,
20    OAuth2TokenService* token_service,
21    Delegate* delegate)
22    : request_context_(request_context),
23      url_(base::StringPrintf(kPrinterListURLFormat, cloud_print_url.c_str())),
24      delegate_(delegate),
25      api_flow_(request_context_,
26                token_service,
27                url_,
28                this) {
29}
30
31
32CloudPrintPrinterList::~CloudPrintPrinterList() {
33}
34
35void CloudPrintPrinterList::Start() {
36  api_flow_.Start();
37}
38
39const CloudPrintPrinterList::PrinterDetails*
40CloudPrintPrinterList::GetDetailsFor(const std::string& id) {
41  PrinterIDMap::iterator found = printer_id_map_.find(id);
42  if (found != printer_id_map_.end()) {
43    return &printer_list_[found->second];
44  }
45
46  return NULL;
47}
48
49void CloudPrintPrinterList::OnCloudPrintAPIFlowError(
50      CloudPrintBaseApiFlow* flow,
51      CloudPrintBaseApiFlow::Status status) {
52  delegate_->OnCloudPrintPrinterListUnavailable();
53}
54
55
56void CloudPrintPrinterList::OnCloudPrintAPIFlowComplete(
57      CloudPrintBaseApiFlow* flow,
58      const base::DictionaryValue* value) {
59  const base::ListValue* printers;
60
61  if (!value->GetList(cloud_print::kPrinterListValue, &printers)) {
62    delegate_->OnCloudPrintPrinterListUnavailable();
63    return;
64  }
65
66  for (base::ListValue::const_iterator i = printers->begin();
67       i != printers->end();
68       i++) {
69    base::DictionaryValue* printer;
70    PrinterDetails printer_details;
71
72    if (!(*i)->GetAsDictionary(&printer))
73      continue;
74
75    if (!FillPrinterDetails(printer, &printer_details)) continue;
76
77    std::pair<PrinterIDMap::iterator, bool> inserted =
78        printer_id_map_.insert(
79            make_pair(printer_details.id, printer_list_.size()) );
80
81    if (inserted.second) {  // ID is new.
82      printer_list_.push_back(printer_details);
83    }
84  }
85
86  delegate_->OnCloudPrintPrinterListReady();
87}
88
89bool CloudPrintPrinterList::FillPrinterDetails(
90    const base::DictionaryValue* printer_value,
91    PrinterDetails* printer_details) {
92  if (!printer_value->GetString(cloud_print::kIdValue, &printer_details->id))
93    return false;
94
95  if (!printer_value->GetString(cloud_print::kDisplayNameValue,
96                                &printer_details->display_name)) {
97    return false;
98  }
99
100  // Non-essential.
101  printer_value->GetString(cloud_print::kPrinterDescValue,
102                           &printer_details->description);
103
104  return true;
105}
106
107CloudPrintPrinterList::PrinterDetails::PrinterDetails() {
108}
109
110CloudPrintPrinterList::PrinterDetails::~PrinterDetails() {
111}
112
113}  // namespace local_discovery
114