printing/printing_context.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 "printing/printing_context.h"
   6
   7 #include "base/logging.h"
   8 #include "base/values.h"
   9 #include "printing/page_setup.h"
  10 #include "printing/page_size_margins.h"
  11 #include "printing/print_job_constants.h"
  12 #include "printing/print_settings_conversion.h"
  13 #include "printing/units.h"
  14
  15 namespace printing {
  16
  17 namespace {
  18 const float kCloudPrintMarginInch = 0.25;
  19 }
  20
  21 PrintingContext::PrintingContext(const std::string& app_locale)
  22     : dialog_box_dismissed_(false),
  23       in_print_job_(false),
  24       abort_printing_(false),
  25       app_locale_(app_locale) {
  26 }
  27
  28 PrintingContext::~PrintingContext() {
  29 }
  30
  31 void PrintingContext::set_margin_type(MarginType type) {
  32   DCHECK(type != CUSTOM_MARGINS);
  33   settings_.set_margin_type(type);
  34 }
  35
  36 void PrintingContext::ResetSettings() {
  37   ReleaseContext();
  38
  39   settings_.Clear();
  40
  41   in_print_job_ = false;
  42   dialog_box_dismissed_ = false;
  43   abort_printing_ = false;
  44 }
  45
  46 PrintingContext::Result PrintingContext::OnError() {
  47   ResetSettings();
  48   return abort_printing_ ? CANCEL : FAILED;
  49 }
  50
  51 PrintingContext::Result PrintingContext::UsePdfSettings() {
  52   scoped_ptr<base::DictionaryValue> pdf_settings(new base::DictionaryValue);
  53   pdf_settings->SetBoolean(kSettingHeaderFooterEnabled, false);
  54   pdf_settings->SetBoolean(kSettingShouldPrintBackgrounds, false);
  55   pdf_settings->SetBoolean(kSettingShouldPrintSelectionOnly, false);
  56   pdf_settings->SetInteger(kSettingMarginsType, printing::NO_MARGINS);
  57   pdf_settings->SetBoolean(kSettingCollate, true);
  58   pdf_settings->SetInteger(kSettingCopies, 1);
  59   pdf_settings->SetInteger(kSettingColor, printing::COLOR);
  60   pdf_settings->SetInteger(kSettingDuplexMode, printing::SIMPLEX);
  61   pdf_settings->SetBoolean(kSettingLandscape, false);
  62   pdf_settings->SetString(kSettingDeviceName, "");
  63   pdf_settings->SetBoolean(kSettingPrintToPDF, true);
  64   pdf_settings->SetBoolean(kSettingCloudPrintDialog, false);
  65   pdf_settings->SetBoolean(kSettingPrintWithPrivet, false);
  66   return UpdatePrintSettings(*pdf_settings);
  67 }
  68
  69 PrintingContext::Result PrintingContext::UpdatePrintSettings(
  70     const base::DictionaryValue& job_settings) {
  71   ResetSettings();
  72
  73   if (!PrintSettingsFromJobSettings(job_settings, &settings_)) {
  74     NOTREACHED();
  75     return OnError();
  76   }
  77
  78   bool print_to_pdf = false;
  79   bool is_cloud_dialog = false;
  80   bool print_with_privet = false;
  81
  82   if (!job_settings.GetBoolean(kSettingPrintToPDF, &print_to_pdf) ||
  83       !job_settings.GetBoolean(kSettingCloudPrintDialog, &is_cloud_dialog) ||
  84       !job_settings.GetBoolean(kSettingPrintWithPrivet, &print_with_privet)) {
  85     NOTREACHED();
  86     return OnError();
  87   }
  88
  89   bool print_to_cloud = job_settings.HasKey(kSettingCloudPrintId);
  90   bool open_in_external_preview =
  91       job_settings.HasKey(kSettingOpenPDFInPreview);
  92
  93   if (!open_in_external_preview && (print_to_pdf || print_to_cloud ||
  94                                     is_cloud_dialog || print_with_privet)) {
  95     settings_.set_dpi(kDefaultPdfDpi);
  96     gfx::Size paper_size(GetPdfPaperSizeDeviceUnits());
  97     if (!settings_.requested_media().size_microns.IsEmpty()) {
  98       float deviceMicronsPerDeviceUnit =
  99           (kHundrethsMMPerInch * 10.0f) / settings_.device_units_per_inch();
 100       paper_size = gfx::Size(settings_.requested_media().size_microns.width() /
 101                                  deviceMicronsPerDeviceUnit,
 102                              settings_.requested_media().size_microns.height() /
 103                                  deviceMicronsPerDeviceUnit);
 104     }
 105     gfx::Rect paper_rect(0, 0, paper_size.width(), paper_size.height());
 106     if (print_to_cloud || print_with_privet) {
 107       paper_rect.Inset(
 108           kCloudPrintMarginInch * settings_.device_units_per_inch(),
 109           kCloudPrintMarginInch * settings_.device_units_per_inch());
 110     }
 111     settings_.SetPrinterPrintableArea(paper_size, paper_rect, true);
 112     return OK;
 113   }
 114
 115   return UpdatePrinterSettings(open_in_external_preview);
 116 }
 117
 118 }  // namespace printing