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// Copyright (c) 2011 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_initializer.h"
#include <algorithm>
#include <cmath>
#include <string>
#include "base/i18n/time_formatting.h"
#include "base/string_number_conversions.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "googleurl/src/gurl.h"
#include "printing/print_job_constants.h"
#include "printing/print_settings.h"
#include "printing/units.h"
#include "ui/base/text/text_elider.h"
using base::DictionaryValue;
namespace printing {
void PrintSettingsInitializer::InitHeaderFooterStrings(
const DictionaryValue& job_settings,
PrintSettings* print_settings) {
if (!job_settings.GetBoolean(kSettingHeaderFooterEnabled,
&print_settings->display_header_footer)) {
NOTREACHED();
}
if (!print_settings->display_header_footer)
return;
string16 date = base::TimeFormatShortDateNumeric(base::Time::Now());
string16 title;
std::string url;
if (!job_settings.GetString(kSettingHeaderFooterTitle, &title) ||
!job_settings.GetString(kSettingHeaderFooterURL, &url)) {
NOTREACHED();
}
gfx::Font font(
kSettingHeaderFooterFontName,
ceil(ConvertPointsToPixelDouble(kSettingHeaderFooterFontSize)));
double segment_width = GetHeaderFooterSegmentWidth(ConvertUnitDouble(
print_settings->page_setup_device_units().physical_size().width(),
print_settings->device_units_per_inch(), kPixelsPerInch));
date = ui::ElideText(date, font, segment_width, ui::ELIDE_AT_END);
print_settings->date = date;
// Calculate the available title width. If the date string is not long
// enough, increase the available space for the title.
// Assumes there is no header text to RIGHT of title.
double date_width = font.GetStringWidth(date);
double max_title_width = std::min(2 * segment_width,
2 * (segment_width - date_width) +
segment_width);
print_settings->title =
ui::ElideText(title, font, max_title_width, ui::ELIDE_AT_END);
double max_url_width = 2 * segment_width;
GURL gurl(url);
print_settings->url = ui::ElideUrl(gurl, font, max_url_width, std::string());
}
} // namespace printing
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