chrome/browser/ui/webui/print_preview_data_source.cc

   1 // Copyright (c) 2011 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/ui/webui/print_preview_data_source.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/message_loop.h"
  10 #include "base/string_piece.h"
  11 #include "base/string_util.h"
  12 #include "base/utf_string_conversions.h"
  13 #include "base/values.h"
  14 #include "chrome/browser/printing/print_preview_data_service.h"
  15 #include "chrome/common/jstemplate_builder.h"
  16 #include "chrome/common/url_constants.h"
  17 #include "grit/browser_resources.h"
  18 #include "grit/chromium_strings.h"
  19 #include "grit/generated_resources.h"
  20 #include "grit/google_chrome_strings.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23
  24 namespace {
  25
  26 void SetLocalizedStrings(DictionaryValue* localized_strings) {
  27   localized_strings->SetString(std::string("title"),
  28       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_TITLE));
  29   localized_strings->SetString(std::string("loading"),
  30       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_LOADING));
  31 #if defined(GOOGLE_CHROME_BUILD)
  32   localized_strings->SetString(std::string("noPlugin"),
  33       l10n_util::GetStringFUTF8(IDS_PRINT_PREVIEW_NO_PLUGIN,
  34                                 ASCIIToUTF16("chrome://plugins/")));
  35 #else
  36   localized_strings->SetString(std::string("noPlugin"),
  37       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_NO_PLUGIN));
  38 #endif
  39   localized_strings->SetString(std::string("launchNativeDialog"),
  40       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_NATIVE_DIALOG));
  41   localized_strings->SetString(std::string("previewFailed"),
  42       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_FAILED));
  43   localized_strings->SetString(std::string("initiatorTabClosed"),
  44       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_INITIATOR_TAB_CLOSED));
  45   localized_strings->SetString(std::string("reopenPage"),
  46       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_REOPEN_PAGE));
  47
  48   localized_strings->SetString(std::string("printButton"),
  49       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PRINT_BUTTON));
  50   localized_strings->SetString(std::string("cancelButton"),
  51       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_CANCEL_BUTTON));
  52   localized_strings->SetString(std::string("printing"),
  53       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PRINTING));
  54
  55   localized_strings->SetString(std::string("destinationLabel"),
  56       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_DESTINATION_LABEL));
  57   localized_strings->SetString(std::string("copiesLabel"),
  58       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_COPIES_LABEL));
  59   localized_strings->SetString(std::string("examplePageRangeText"),
  60       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_EXAMPLE_PAGE_RANGE_TEXT));
  61   localized_strings->SetString(std::string("invalidNumberOfCopies"),
  62       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_INVALID_NUMBER_OF_COPIES));
  63   localized_strings->SetString(std::string("layoutLabel"),
  64       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_LAYOUT_LABEL));
  65   localized_strings->SetString(std::string("optionAllPages"),
  66       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_ALL_PAGES));
  67   localized_strings->SetString(std::string("optionBw"),
  68       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_BW));
  69   localized_strings->SetString(std::string("optionCollate"),
  70       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_COLLATE));
  71   localized_strings->SetString(std::string("optionColor"),
  72       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_COLOR));
  73   localized_strings->SetString(std::string("optionLandscape"),
  74       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_LANDSCAPE));
  75   localized_strings->SetString(std::string("optionPortrait"),
  76       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_PORTRAIT));
  77   localized_strings->SetString(std::string("optionTwoSided"),
  78       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_TWO_SIDED));
  79   localized_strings->SetString(std::string("pagesLabel"),
  80       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGES_LABEL));
  81   localized_strings->SetString(std::string("pageRangeTextBox"),
  82       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGE_RANGE_TEXT));
  83   localized_strings->SetString(std::string("pageRangeRadio"),
  84       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGE_RANGE_RADIO));
  85   localized_strings->SetString(std::string("printToPDF"),
  86       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PRINT_TO_PDF));
  87   localized_strings->SetString(std::string("printPreviewTitleFormat"),
  88       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_TITLE_FORMAT));
  89   localized_strings->SetString(std::string("printPreviewSummaryFormatShort"),
  90       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_SUMMARY_FORMAT_SHORT));
  91   localized_strings->SetString(std::string("printPreviewSummaryFormatLong"),
  92       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_SUMMARY_FORMAT_LONG));
  93   localized_strings->SetString(std::string("printPreviewSheetsLabelSingular"),
  94       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_SHEETS_LABEL_SINGULAR));
  95   localized_strings->SetString(std::string("printPreviewSheetsLabelPlural"),
  96       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_SHEETS_LABEL_PLURAL));
  97   localized_strings->SetString(std::string("printPreviewPageLabelSingular"),
  98       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGE_LABEL_SINGULAR));
  99   localized_strings->SetString(std::string("printPreviewPageLabelPlural"),
 100       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGE_LABEL_PLURAL));
 101   localized_strings->SetString(std::string("systemDialogOption"),
 102       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_SYSTEM_DIALOG_OPTION));
 103   localized_strings->SetString(std::string("pageRangeInstruction"),
 104       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PAGE_RANGE_INSTRUCTION));
 105   localized_strings->SetString(std::string("copiesInstruction"),
 106       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_COPIES_INSTRUCTION));
 107   localized_strings->SetString(std::string("managePrinters"),
 108       l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_MANAGE_PRINTERS));
 109 }
 110
 111 }  // namespace
 112
 113 PrintPreviewDataSource::PrintPreviewDataSource()
 114     : DataSource(chrome::kChromeUIPrintHost, MessageLoop::current()) {
 115 }
 116
 117 PrintPreviewDataSource::~PrintPreviewDataSource() {
 118 }
 119
 120 void PrintPreviewDataSource::StartDataRequest(const std::string& path,
 121                                               bool is_incognito,
 122                                               int request_id) {
 123   scoped_refptr<RefCountedBytes> data(new RefCountedBytes);
 124
 125   bool preview_data_requested = EndsWith(path, "/print.pdf", true);
 126   if (preview_data_requested) {
 127     size_t index = path.rfind("/print.pdf");
 128     PrintPreviewDataService::GetInstance()->GetDataEntry(path.substr(0, index),
 129                                                          &data);
 130   }
 131
 132   if (path.empty()) {
 133     // Print Preview Index page.
 134     DictionaryValue localized_strings;
 135     SetLocalizedStrings(&localized_strings);
 136     SetFontAndTextDirection(&localized_strings);
 137
 138     static const base::StringPiece print_html(
 139         ResourceBundle::GetSharedInstance().GetRawDataResource(
 140             IDR_PRINT_PREVIEW_HTML));
 141     const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
 142         print_html, &localized_strings);
 143
 144     scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
 145     html_bytes->data.resize(full_html.size());
 146     std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
 147
 148     SendResponse(request_id, html_bytes);
 149     return;
 150   } else if (preview_data_requested && data->front()) {
 151     // Print Preview data.
 152     SendResponse(request_id, data);
 153     return;
 154  } else {
 155     // Invalid request.
 156     scoped_refptr<RefCountedBytes> empty_bytes(new RefCountedBytes);
 157     SendResponse(request_id, empty_bytes);
 158     return;
 159   }
 160 }
 161
 162 std::string PrintPreviewDataSource::GetMimeType(const std::string& path) const {
 163   if (path.empty())
 164     return "text/html";  // Print Preview Index Page.
 165   return "application/pdf";  // Print Preview data
 166 }