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_settings_initializer.h"
  12
  13 namespace printing {
  14
  15 PrintingContext::PrintingContext(const std::string& app_locale)
  16     : dialog_box_dismissed_(false),
  17       in_print_job_(false),
  18       abort_printing_(false),
  19       app_locale_(app_locale) {
  20 }
  21
  22 PrintingContext::~PrintingContext() {
  23 }
  24
  25 void PrintingContext::set_margin_type(MarginType type) {
  26   DCHECK(type != CUSTOM_MARGINS);
  27   settings_.margin_type = type;
  28 }
  29
  30 void PrintingContext::ResetSettings() {
  31   ReleaseContext();
  32
  33   settings_.Clear();
  34
  35   in_print_job_ = false;
  36   dialog_box_dismissed_ = false;
  37   abort_printing_ = false;
  38 }
  39
  40 PrintingContext::Result PrintingContext::OnError() {
  41   ResetSettings();
  42   return abort_printing_ ? CANCEL : FAILED;
  43 }
  44
  45 PrintingContext::Result PrintingContext::UpdatePrintSettings(
  46     const base::DictionaryValue& job_settings,
  47     const PageRanges& ranges) {
  48   ResetSettings();
  49
  50   job_settings.GetBoolean(kSettingHeaderFooterEnabled,
  51                           &settings_.display_header_footer);
  52
  53   int margin_type = DEFAULT_MARGINS;
  54   if (!job_settings.GetInteger(kSettingMarginsType, &margin_type) ||
  55       (margin_type != DEFAULT_MARGINS &&
  56        margin_type != NO_MARGINS &&
  57        margin_type != CUSTOM_MARGINS &&
  58        margin_type != PRINTABLE_AREA_MARGINS)) {
  59     margin_type = DEFAULT_MARGINS;
  60   }
  61   settings_.margin_type = static_cast<MarginType>(margin_type);
  62
  63   if (margin_type == CUSTOM_MARGINS) {
  64     printing::PageSizeMargins page_size_margins;
  65     GetCustomMarginsFromJobSettings(job_settings, &page_size_margins);
  66
  67     PageMargins margins_in_points;
  68     margins_in_points.Clear();
  69     margins_in_points.top = page_size_margins.margin_top;
  70     margins_in_points.bottom = page_size_margins.margin_bottom;
  71     margins_in_points.left = page_size_margins.margin_left;
  72     margins_in_points.right = page_size_margins.margin_right;
  73
  74     settings_.SetCustomMargins(margins_in_points);
  75   }
  76
  77   PrintingContext::Result result = UpdatePrinterSettings(job_settings, ranges);
  78   PrintSettingsInitializer::InitHeaderFooterStrings(job_settings, &settings_);
  79
  80   job_settings.GetBoolean(kSettingShouldPrintBackgrounds,
  81                           &settings_.should_print_backgrounds);
  82   job_settings.GetBoolean(kSettingShouldPrintSelectionOnly,
  83                           &settings_.selection_only);
  84   return result;
  85 }
  86
  87 }  // namespace printing