printing/print_settings_conversion.cc - chromium/src - Git at Google

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "printing/print_settings_conversion.h"

 #include <stddef.h>

 #include <algorithm>
 #include <cmath>
 #include <memory>
 #include <string>
 #include <utility>

 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "printing/print_job_constants.h"
 #include "printing/print_settings.h"
 #include "printing/units.h"

 namespace printing {

 namespace {

 void GetCustomMarginsFromJobSettings(const base::Value& settings,
                                      PageMargins* page_size_margins) {
   const base::Value* custom_margins = settings.FindKey(kSettingMarginsCustom);
   if (!custom_margins) {
     NOTREACHED();
     return;
   }
   page_size_margins->top =
       custom_margins->FindIntKey(kSettingMarginTop).value_or(0);
   page_size_margins->bottom =
       custom_margins->FindIntKey(kSettingMarginBottom).value_or(0);
   page_size_margins->left =
       custom_margins->FindIntKey(kSettingMarginLeft).value_or(0);
   page_size_margins->right =
       custom_margins->FindIntKey(kSettingMarginRight).value_or(0);
 }

 void SetMarginsToJobSettings(const std::string& json_path,
                              const PageMargins& margins,
                              base::DictionaryValue* job_settings) {
   auto dict = std::make_unique<base::DictionaryValue>();
   dict->SetInteger(kSettingMarginTop, margins.top);
   dict->SetInteger(kSettingMarginBottom, margins.bottom);
   dict->SetInteger(kSettingMarginLeft, margins.left);
   dict->SetInteger(kSettingMarginRight, margins.right);
   job_settings->Set(json_path, std::move(dict));
 }

 void SetSizeToJobSettings(const std::string& json_path,
                           const gfx::Size& size,
                           base::DictionaryValue* job_settings) {
   auto dict = std::make_unique<base::DictionaryValue>();
   dict->SetInteger("width", size.width());
   dict->SetInteger("height", size.height());
   job_settings->Set(json_path, std::move(dict));
 }

 void SetRectToJobSettings(const std::string& json_path,
                           const gfx::Rect& rect,
                           base::DictionaryValue* job_settings) {
   auto dict = std::make_unique<base::DictionaryValue>();
   dict->SetInteger("x", rect.x());
   dict->SetInteger("y", rect.y());
   dict->SetInteger("width", rect.width());
   dict->SetInteger("height", rect.height());
   job_settings->Set(json_path, std::move(dict));
 }

 }  // namespace

 bool PrintSettingsFromJobSettings(const base::Value& job_settings,
                                   PrintSettings* settings) {
   base::Optional<bool> display_header_footer =
       job_settings.FindBoolKey(kSettingHeaderFooterEnabled);
   if (!display_header_footer.has_value())
     return false;

   settings->set_display_header_footer(display_header_footer.value());
   if (settings->display_header_footer()) {
     const std::string* title =
         job_settings.FindStringKey(kSettingHeaderFooterTitle);
     const std::string* url =
         job_settings.FindStringKey(kSettingHeaderFooterURL);
     if (!title || !url)
       return false;

     settings->set_title(base::UTF8ToUTF16(*title));
     settings->set_url(base::UTF8ToUTF16(*url));
   }

   base::Optional<bool> backgrounds =
       job_settings.FindBoolKey(kSettingShouldPrintBackgrounds);
   base::Optional<bool> selection_only =
       job_settings.FindBoolKey(kSettingShouldPrintSelectionOnly);
   if (!backgrounds.has_value() || !selection_only.has_value())
     return false;

   settings->set_should_print_backgrounds(backgrounds.value());
   settings->set_selection_only(selection_only.value());

   PrintSettings::RequestedMedia requested_media;
   const base::Value* media_size_value = job_settings.FindKeyOfType(
       kSettingMediaSize, base::Value::Type::DICTIONARY);
   if (media_size_value) {
     base::Optional<int> width_microns =
         media_size_value->FindIntKey(kSettingMediaSizeWidthMicrons);
     base::Optional<int> height_microns =
         media_size_value->FindIntKey(kSettingMediaSizeHeightMicrons);
     if (width_microns.has_value() && height_microns.has_value()) {
       requested_media.size_microns =
           gfx::Size(width_microns.value(), height_microns.value());
     }

     const std::string* vendor_id =
         media_size_value->FindStringKey(kSettingMediaSizeVendorId);
     if (vendor_id && !vendor_id->empty())
       requested_media.vendor_id = *vendor_id;
   }
   settings->set_requested_media(requested_media);

   int margin_type =
       job_settings.FindIntKey(kSettingMarginsType).value_or(DEFAULT_MARGINS);
   if (margin_type != DEFAULT_MARGINS && margin_type != NO_MARGINS &&
       margin_type != CUSTOM_MARGINS && margin_type != PRINTABLE_AREA_MARGINS) {
     margin_type = DEFAULT_MARGINS;
   }
   settings->set_margin_type(static_cast<MarginType>(margin_type));

   if (margin_type == CUSTOM_MARGINS) {
     PageMargins margins_in_points;
     margins_in_points.Clear();
     GetCustomMarginsFromJobSettings(job_settings, &margins_in_points);
     settings->SetCustomMargins(margins_in_points);
   }

   PageRanges new_ranges;
   const base::Value* page_range_array =
       job_settings.FindKeyOfType(kSettingPageRange, base::Value::Type::LIST);
   if (page_range_array) {
     for (const base::Value& value : page_range_array->GetList()) {
       if (!value.is_dict())
         continue;

       base::Optional<int> from = value.FindIntKey(kSettingPageRangeFrom);
       base::Optional<int> to = value.FindIntKey(kSettingPageRangeTo);
       if (!from.has_value() || !to.has_value())
         continue;

       // Page numbers are 1-based in the dictionary.
       // Page numbers are 0-based for the printing context.
       new_ranges.push_back(PageRange{from.value() - 1, to.value() - 1});
     }
   }
   settings->set_ranges(new_ranges);

   base::Optional<bool> collate = job_settings.FindBoolKey(kSettingCollate);
   base::Optional<int> copies = job_settings.FindIntKey(kSettingCopies);
   base::Optional<int> color = job_settings.FindIntKey(kSettingColor);
   base::Optional<int> duplex_mode = job_settings.FindIntKey(kSettingDuplexMode);
   base::Optional<bool> landscape = job_settings.FindBoolKey(kSettingLandscape);
   const std::string* device_name =
       job_settings.FindStringKey(kSettingDeviceName);
   base::Optional<int> scale_factor =
       job_settings.FindIntKey(kSettingScaleFactor);
   base::Optional<bool> rasterize_pdf =
       job_settings.FindBoolKey(kSettingRasterizePdf);
   base::Optional<int> pages_per_sheet =
       job_settings.FindIntKey(kSettingPagesPerSheet);

   if (!collate.has_value() || !copies.has_value() || !color.has_value() ||
       !duplex_mode.has_value() || !landscape.has_value() || !device_name ||
       !scale_factor.has_value() || !rasterize_pdf.has_value() ||
       !pages_per_sheet.has_value()) {
     return false;
   }
 #if defined(OS_WIN)
   base::Optional<int> dpi_horizontal =
       job_settings.FindIntKey(kSettingDpiHorizontal);
   base::Optional<int> dpi_vertical =
       job_settings.FindIntKey(kSettingDpiVertical);
   if (!dpi_horizontal.has_value() || !dpi_vertical.has_value())
     return false;

   settings->set_dpi_xy(dpi_horizontal.value(), dpi_vertical.value());
 #endif

   settings->set_collate(collate.value());
   settings->set_copies(copies.value());
   settings->SetOrientation(landscape.value());
   settings->set_device_name(base::UTF8ToUTF16(*device_name));
   settings->set_duplex_mode(static_cast<DuplexMode>(duplex_mode.value()));
   settings->set_color(static_cast<ColorModel>(color.value()));
   settings->set_scale_factor(static_cast<double>(scale_factor.value()) / 100.0);
   settings->set_rasterize_pdf(rasterize_pdf.value());
   settings->set_pages_per_sheet(pages_per_sheet.value());
   base::Optional<bool> is_modifiable =
       job_settings.FindBoolKey(kSettingPreviewModifiable);
   if (is_modifiable.has_value()) {
     settings->set_is_modifiable(is_modifiable.value());
 #if defined(OS_WIN)
     settings->set_print_text_with_gdi(is_modifiable.value());
 #endif
   }

 #if defined(OS_CHROMEOS)
   bool send_user_info =
       job_settings.FindBoolKey(kSettingSendUserInfo).value_or(false);
   settings->set_send_user_info(send_user_info);
   if (send_user_info) {
     const std::string* username = job_settings.FindStringKey(kSettingUsername);
     if (username)
       settings->set_username(*username);
   }

   const std::string* pin_value = job_settings.FindStringKey(kSettingPinValue);
   if (pin_value)
     settings->set_pin_value(*pin_value);
 #endif

   return true;
 }

 void PrintSettingsToJobSettingsDebug(const PrintSettings& settings,
                                      base::DictionaryValue* job_settings) {
   job_settings->SetBoolean(kSettingHeaderFooterEnabled,
                            settings.display_header_footer());
   job_settings->SetString(kSettingHeaderFooterTitle, settings.title());
   job_settings->SetString(kSettingHeaderFooterURL, settings.url());
   job_settings->SetBoolean(kSettingShouldPrintBackgrounds,
                            settings.should_print_backgrounds());
   job_settings->SetBoolean(kSettingShouldPrintSelectionOnly,
                            settings.selection_only());
   job_settings->SetInteger(kSettingMarginsType, settings.margin_type());
   if (!settings.ranges().empty()) {
     auto page_range_array = std::make_unique<base::ListValue>();
     for (size_t i = 0; i < settings.ranges().size(); ++i) {
       auto dict = std::make_unique<base::DictionaryValue>();
       dict->SetInteger(kSettingPageRangeFrom, settings.ranges()[i].from + 1);
       dict->SetInteger(kSettingPageRangeTo, settings.ranges()[i].to + 1);
       page_range_array->Append(std::move(dict));
     }
     job_settings->Set(kSettingPageRange, std::move(page_range_array));
   }

   job_settings->SetBoolean(kSettingCollate, settings.collate());
   job_settings->SetInteger(kSettingCopies, settings.copies());
   job_settings->SetInteger(kSettingColor, settings.color());
   job_settings->SetInteger(kSettingDuplexMode, settings.duplex_mode());
   job_settings->SetBoolean(kSettingLandscape, settings.landscape());
   job_settings->SetString(kSettingDeviceName, settings.device_name());
   job_settings->SetInteger(kSettingPagesPerSheet, settings.pages_per_sheet());

   // Following values are not read form JSON by InitSettings, so do not have
   // common public constants. So just serialize in "debug" section.
   auto debug = std::make_unique<base::DictionaryValue>();
   debug->SetInteger("dpi", settings.dpi());
   debug->SetInteger("deviceUnitsPerInch", settings.device_units_per_inch());
   debug->SetBoolean("support_alpha_blend", settings.should_print_backgrounds());
   debug->SetString("media_vendor_id", settings.requested_media().vendor_id);
   SetSizeToJobSettings("media_size", settings.requested_media().size_microns,
                        debug.get());
   SetMarginsToJobSettings("requested_custom_margins_in_points",
                           settings.requested_custom_margins_in_points(),
                           debug.get());
   const PageSetup& page_setup = settings.page_setup_device_units();
   SetMarginsToJobSettings("effective_margins", page_setup.effective_margins(),
                           debug.get());
   SetSizeToJobSettings("physical_size", page_setup.physical_size(),
                        debug.get());
   SetRectToJobSettings("overlay_area", page_setup.overlay_area(), debug.get());
   SetRectToJobSettings("content_area", page_setup.content_area(), debug.get());
   SetRectToJobSettings("printable_area", page_setup.printable_area(),
                        debug.get());
   job_settings->Set("debug", std::move(debug));
 }

 }  // namespace printing
	// Copyright 2014 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "printing/print_settings_conversion.h"

	#include <stddef.h>

	#include <algorithm>
	#include <cmath>
	#include <memory>
	#include <string>
	#include <utility>

	#include "base/strings/string_number_conversions.h"
	#include "base/strings/utf_string_conversions.h"
	#include "base/time/time.h"
	#include "base/values.h"
	#include "build/build_config.h"
	#include "printing/print_job_constants.h"
	#include "printing/print_settings.h"
	#include "printing/units.h"

	namespace printing {

	namespace {

	void GetCustomMarginsFromJobSettings(const base::Value& settings,
	PageMargins* page_size_margins) {
	const base::Value* custom_margins = settings.FindKey(kSettingMarginsCustom);
	if (!custom_margins) {
	NOTREACHED();
	return;
	}
	page_size_margins->top =
	custom_margins->FindIntKey(kSettingMarginTop).value_or(0);
	page_size_margins->bottom =
	custom_margins->FindIntKey(kSettingMarginBottom).value_or(0);
	page_size_margins->left =
	custom_margins->FindIntKey(kSettingMarginLeft).value_or(0);
	page_size_margins->right =
	custom_margins->FindIntKey(kSettingMarginRight).value_or(0);
	}

	void SetMarginsToJobSettings(const std::string& json_path,
	const PageMargins& margins,
	base::DictionaryValue* job_settings) {
	auto dict = std::make_unique<base::DictionaryValue>();
	dict->SetInteger(kSettingMarginTop, margins.top);
	dict->SetInteger(kSettingMarginBottom, margins.bottom);
	dict->SetInteger(kSettingMarginLeft, margins.left);
	dict->SetInteger(kSettingMarginRight, margins.right);
	job_settings->Set(json_path, std::move(dict));
	}

	void SetSizeToJobSettings(const std::string& json_path,
	const gfx::Size& size,
	base::DictionaryValue* job_settings) {
	auto dict = std::make_unique<base::DictionaryValue>();
	dict->SetInteger("width", size.width());
	dict->SetInteger("height", size.height());
	job_settings->Set(json_path, std::move(dict));
	}

	void SetRectToJobSettings(const std::string& json_path,
	const gfx::Rect& rect,
	base::DictionaryValue* job_settings) {
	auto dict = std::make_unique<base::DictionaryValue>();
	dict->SetInteger("x", rect.x());
	dict->SetInteger("y", rect.y());
	dict->SetInteger("width", rect.width());
	dict->SetInteger("height", rect.height());
	job_settings->Set(json_path, std::move(dict));
	}

	} // namespace

	bool PrintSettingsFromJobSettings(const base::Value& job_settings,
	PrintSettings* settings) {
	base::Optional<bool> display_header_footer =
	job_settings.FindBoolKey(kSettingHeaderFooterEnabled);
	if (!display_header_footer.has_value())
	return false;

	settings->set_display_header_footer(display_header_footer.value());
	if (settings->display_header_footer()) {
	const std::string* title =
	job_settings.FindStringKey(kSettingHeaderFooterTitle);
	const std::string* url =
	job_settings.FindStringKey(kSettingHeaderFooterURL);
	if (!title \|\| !url)
	return false;

	settings->set_title(base::UTF8ToUTF16(*title));
	settings->set_url(base::UTF8ToUTF16(*url));
	}

	base::Optional<bool> backgrounds =
	job_settings.FindBoolKey(kSettingShouldPrintBackgrounds);
	base::Optional<bool> selection_only =
	job_settings.FindBoolKey(kSettingShouldPrintSelectionOnly);
	if (!backgrounds.has_value() \|\| !selection_only.has_value())
	return false;

	settings->set_should_print_backgrounds(backgrounds.value());
	settings->set_selection_only(selection_only.value());

	PrintSettings::RequestedMedia requested_media;
	const base::Value* media_size_value = job_settings.FindKeyOfType(
	kSettingMediaSize, base::Value::Type::DICTIONARY);
	if (media_size_value) {
	base::Optional<int> width_microns =
	media_size_value->FindIntKey(kSettingMediaSizeWidthMicrons);
	base::Optional<int> height_microns =
	media_size_value->FindIntKey(kSettingMediaSizeHeightMicrons);
	if (width_microns.has_value() && height_microns.has_value()) {
	requested_media.size_microns =
	gfx::Size(width_microns.value(), height_microns.value());
	}

	const std::string* vendor_id =
	media_size_value->FindStringKey(kSettingMediaSizeVendorId);
	if (vendor_id && !vendor_id->empty())
	requested_media.vendor_id = *vendor_id;
	}
	settings->set_requested_media(requested_media);

	int margin_type =
	job_settings.FindIntKey(kSettingMarginsType).value_or(DEFAULT_MARGINS);
	if (margin_type != DEFAULT_MARGINS && margin_type != NO_MARGINS &&
	margin_type != CUSTOM_MARGINS && margin_type != PRINTABLE_AREA_MARGINS) {
	margin_type = DEFAULT_MARGINS;
	}
	settings->set_margin_type(static_cast<MarginType>(margin_type));

	if (margin_type == CUSTOM_MARGINS) {
	PageMargins margins_in_points;
	margins_in_points.Clear();
	GetCustomMarginsFromJobSettings(job_settings, &margins_in_points);
	settings->SetCustomMargins(margins_in_points);
	}

	PageRanges new_ranges;
	const base::Value* page_range_array =
	job_settings.FindKeyOfType(kSettingPageRange, base::Value::Type::LIST);
	if (page_range_array) {
	for (const base::Value& value : page_range_array->GetList()) {
	if (!value.is_dict())
	continue;

	base::Optional<int> from = value.FindIntKey(kSettingPageRangeFrom);
	base::Optional<int> to = value.FindIntKey(kSettingPageRangeTo);
	if (!from.has_value() \|\| !to.has_value())
	continue;

	// Page numbers are 1-based in the dictionary.
	// Page numbers are 0-based for the printing context.
	new_ranges.push_back(PageRange{from.value() - 1, to.value() - 1});
	}
	}
	settings->set_ranges(new_ranges);

	base::Optional<bool> collate = job_settings.FindBoolKey(kSettingCollate);
	base::Optional<int> copies = job_settings.FindIntKey(kSettingCopies);
	base::Optional<int> color = job_settings.FindIntKey(kSettingColor);
	base::Optional<int> duplex_mode = job_settings.FindIntKey(kSettingDuplexMode);
	base::Optional<bool> landscape = job_settings.FindBoolKey(kSettingLandscape);
	const std::string* device_name =
	job_settings.FindStringKey(kSettingDeviceName);
	base::Optional<int> scale_factor =
	job_settings.FindIntKey(kSettingScaleFactor);
	base::Optional<bool> rasterize_pdf =
	job_settings.FindBoolKey(kSettingRasterizePdf);
	base::Optional<int> pages_per_sheet =
	job_settings.FindIntKey(kSettingPagesPerSheet);

	if (!collate.has_value() \|\| !copies.has_value() \|\| !color.has_value() \|\|
	!duplex_mode.has_value() \|\| !landscape.has_value() \|\| !device_name \|\|
	!scale_factor.has_value() \|\| !rasterize_pdf.has_value() \|\|
	!pages_per_sheet.has_value()) {
	return false;
	}
	#if defined(OS_WIN)
	base::Optional<int> dpi_horizontal =
	job_settings.FindIntKey(kSettingDpiHorizontal);
	base::Optional<int> dpi_vertical =
	job_settings.FindIntKey(kSettingDpiVertical);
	if (!dpi_horizontal.has_value() \|\| !dpi_vertical.has_value())
	return false;

	settings->set_dpi_xy(dpi_horizontal.value(), dpi_vertical.value());
	#endif

	settings->set_collate(collate.value());
	settings->set_copies(copies.value());
	settings->SetOrientation(landscape.value());
	settings->set_device_name(base::UTF8ToUTF16(*device_name));
	settings->set_duplex_mode(static_cast<DuplexMode>(duplex_mode.value()));
	settings->set_color(static_cast<ColorModel>(color.value()));
	settings->set_scale_factor(static_cast<double>(scale_factor.value()) / 100.0);
	settings->set_rasterize_pdf(rasterize_pdf.value());
	settings->set_pages_per_sheet(pages_per_sheet.value());
	base::Optional<bool> is_modifiable =
	job_settings.FindBoolKey(kSettingPreviewModifiable);
	if (is_modifiable.has_value()) {
	settings->set_is_modifiable(is_modifiable.value());
	#if defined(OS_WIN)
	settings->set_print_text_with_gdi(is_modifiable.value());
	#endif
	}

	#if defined(OS_CHROMEOS)
	bool send_user_info =
	job_settings.FindBoolKey(kSettingSendUserInfo).value_or(false);
	settings->set_send_user_info(send_user_info);
	if (send_user_info) {
	const std::string* username = job_settings.FindStringKey(kSettingUsername);
	if (username)
	settings->set_username(*username);
	}

	const std::string* pin_value = job_settings.FindStringKey(kSettingPinValue);
	if (pin_value)
	settings->set_pin_value(*pin_value);
	#endif

	return true;
	}

	void PrintSettingsToJobSettingsDebug(const PrintSettings& settings,
	base::DictionaryValue* job_settings) {
	job_settings->SetBoolean(kSettingHeaderFooterEnabled,
	settings.display_header_footer());
	job_settings->SetString(kSettingHeaderFooterTitle, settings.title());
	job_settings->SetString(kSettingHeaderFooterURL, settings.url());
	job_settings->SetBoolean(kSettingShouldPrintBackgrounds,
	settings.should_print_backgrounds());
	job_settings->SetBoolean(kSettingShouldPrintSelectionOnly,
	settings.selection_only());
	job_settings->SetInteger(kSettingMarginsType, settings.margin_type());
	if (!settings.ranges().empty()) {
	auto page_range_array = std::make_unique<base::ListValue>();
	for (size_t i = 0; i < settings.ranges().size(); ++i) {
	auto dict = std::make_unique<base::DictionaryValue>();
	dict->SetInteger(kSettingPageRangeFrom, settings.ranges()[i].from + 1);
	dict->SetInteger(kSettingPageRangeTo, settings.ranges()[i].to + 1);
	page_range_array->Append(std::move(dict));
	}
	job_settings->Set(kSettingPageRange, std::move(page_range_array));
	}

	job_settings->SetBoolean(kSettingCollate, settings.collate());
	job_settings->SetInteger(kSettingCopies, settings.copies());
	job_settings->SetInteger(kSettingColor, settings.color());
	job_settings->SetInteger(kSettingDuplexMode, settings.duplex_mode());
	job_settings->SetBoolean(kSettingLandscape, settings.landscape());
	job_settings->SetString(kSettingDeviceName, settings.device_name());
	job_settings->SetInteger(kSettingPagesPerSheet, settings.pages_per_sheet());

	// Following values are not read form JSON by InitSettings, so do not have
	// common public constants. So just serialize in "debug" section.
	auto debug = std::make_unique<base::DictionaryValue>();
	debug->SetInteger("dpi", settings.dpi());
	debug->SetInteger("deviceUnitsPerInch", settings.device_units_per_inch());
	debug->SetBoolean("support_alpha_blend", settings.should_print_backgrounds());
	debug->SetString("media_vendor_id", settings.requested_media().vendor_id);
	SetSizeToJobSettings("media_size", settings.requested_media().size_microns,
	debug.get());
	SetMarginsToJobSettings("requested_custom_margins_in_points",
	settings.requested_custom_margins_in_points(),
	debug.get());
	const PageSetup& page_setup = settings.page_setup_device_units();
	SetMarginsToJobSettings("effective_margins", page_setup.effective_margins(),
	debug.get());
	SetSizeToJobSettings("physical_size", page_setup.physical_size(),
	debug.get());
	SetRectToJobSettings("overlay_area", page_setup.overlay_area(), debug.get());
	SetRectToJobSettings("content_area", page_setup.content_area(), debug.get());
	SetRectToJobSettings("printable_area", page_setup.printable_area(),
	debug.get());
	job_settings->Set("debug", std::move(debug));
	}

	} // namespace printing