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      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
     88