2014-07-10 17:41:30 +02:00
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// Copyright (c) 2014 The Chromium Embedded Framework Authors.
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// Portions Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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2016-11-18 00:52:42 +01:00
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#include "tests/cefclient/browser/print_handler_gtk.h"
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2014-07-10 17:41:30 +02:00
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#include <vector>
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2014-07-11 22:10:05 +02:00
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#include "include/base/cef_logging.h"
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#include "include/base/cef_macros.h"
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#include "include/wrapper/cef_helpers.h"
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2014-07-10 17:41:30 +02:00
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2015-01-23 20:23:54 +01:00
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namespace client {
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2014-07-10 17:41:30 +02:00
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namespace {
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// CUPS Duplex attribute and values.
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const char kCUPSDuplex[] = "cups-Duplex";
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const char kDuplexNone[] = "None";
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const char kDuplexTumble[] = "DuplexTumble";
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const char kDuplexNoTumble[] = "DuplexNoTumble";
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// CUPS color mode attribute and values.
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const char kCUPSColorMode[] = "cups-ColorMode";
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const char kCUPSColorModel[] = "cups-ColorModel";
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const char kCUPSPrintoutMode[] = "cups-PrintoutMode";
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const char kCUPSProcessColorModel[] = "cups-ProcessColorModel";
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const char kBlack[] = "Black";
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const char kCMYK[] = "CMYK";
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const char kCMY_K[] = "CMY+K";
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const char kCMY[] = "CMY";
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const char kColor[] = "Color";
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const char kGray[] = "Gray";
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const char kGrayscale[] = "Grayscale";
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const char kGreyscale[] = "Greyscale";
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const char kMonochrome[] = "Monochrome";
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const char kNormal[] = "Normal";
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const char kNormalGray[] = "Normal.Gray";
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const char kRGB[] = "RGB";
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const char kRGBA[] = "RGBA";
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const char kRGB16[] = "RGB16";
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// Default margin settings.
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const double kTopMarginInInch = 0.25;
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const double kBottomMarginInInch = 0.56;
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const double kLeftMarginInInch = 0.25;
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const double kRightMarginInInch = 0.25;
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// Length of an inch in CSS's 1px unit.
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// http://dev.w3.org/csswg/css3-values/#the-px-unit
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const int kPixelsPerInch = 96;
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// LETTER: 8.5 x 11 inches
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const float kLetterWidthInch = 8.5f;
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const float kLetterHeightInch = 11.0f;
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class StickyPrintSettingGtk {
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public:
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StickyPrintSettingGtk() : last_used_settings_(gtk_print_settings_new()) {
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}
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~StickyPrintSettingGtk() {
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NOTREACHED(); // The instance is intentionally leaked.
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}
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GtkPrintSettings* settings() {
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return last_used_settings_;
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}
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void SetLastUsedSettings(GtkPrintSettings* settings) {
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DCHECK(last_used_settings_);
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g_object_unref(last_used_settings_);
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last_used_settings_ = gtk_print_settings_copy(settings);
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}
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private:
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GtkPrintSettings* last_used_settings_;
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DISALLOW_COPY_AND_ASSIGN(StickyPrintSettingGtk);
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};
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// Lazily initialize the singleton instance.
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StickyPrintSettingGtk* GetLastUsedSettings() {
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static StickyPrintSettingGtk* settings = NULL;
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if (!settings)
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settings = new StickyPrintSettingGtk();
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return settings;
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}
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// Helper class to track GTK printers.
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class GtkPrinterList {
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public:
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GtkPrinterList() : default_printer_(NULL) {
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gtk_enumerate_printers(SetPrinter, this, NULL, TRUE);
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}
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~GtkPrinterList() {
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for (std::vector<GtkPrinter*>::iterator it = printers_.begin();
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it < printers_.end(); ++it) {
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g_object_unref(*it);
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}
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}
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// Can return NULL if there's no default printer. E.g. Printer on a laptop
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// is "home_printer", but the laptop is at work.
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GtkPrinter* default_printer() {
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return default_printer_;
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}
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// Can return NULL if the printer cannot be found due to:
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// - Printer list out of sync with printer dialog UI.
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// - Querying for non-existant printers like 'Print to PDF'.
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GtkPrinter* GetPrinterWithName(const std::string& name) {
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if (name.empty())
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return NULL;
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for (std::vector<GtkPrinter*>::iterator it = printers_.begin();
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it < printers_.end(); ++it) {
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if (gtk_printer_get_name(*it) == name) {
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return *it;
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}
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}
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return NULL;
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}
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private:
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// Callback function used by gtk_enumerate_printers() to get all printer.
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static gboolean SetPrinter(GtkPrinter* printer, gpointer data) {
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GtkPrinterList* printer_list = reinterpret_cast<GtkPrinterList*>(data);
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if (gtk_printer_is_default(printer))
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printer_list->default_printer_ = printer;
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g_object_ref(printer);
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printer_list->printers_.push_back(printer);
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return FALSE;
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}
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std::vector<GtkPrinter*> printers_;
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GtkPrinter* default_printer_;
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};
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void GetColorModelForMode(CefPrintSettings::ColorModel color_mode,
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std::string* color_setting_name,
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std::string* color_value) {
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color_setting_name->assign(kCUPSColorModel);
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switch (color_mode) {
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case COLOR_MODEL_COLOR:
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color_value->assign(kColor);
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break;
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case COLOR_MODEL_CMYK:
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color_value->assign(kCMYK);
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break;
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case COLOR_MODEL_PRINTOUTMODE_NORMAL:
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color_value->assign(kNormal);
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color_setting_name->assign(kCUPSPrintoutMode);
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break;
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case COLOR_MODEL_PRINTOUTMODE_NORMAL_GRAY:
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color_value->assign(kNormalGray);
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color_setting_name->assign(kCUPSPrintoutMode);
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break;
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case COLOR_MODEL_RGB16:
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color_value->assign(kRGB16);
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break;
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case COLOR_MODEL_RGBA:
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color_value->assign(kRGBA);
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break;
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case COLOR_MODEL_RGB:
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color_value->assign(kRGB);
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break;
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case COLOR_MODEL_CMY:
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color_value->assign(kCMY);
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break;
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case COLOR_MODEL_CMY_K:
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color_value->assign(kCMY_K);
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break;
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case COLOR_MODEL_BLACK:
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color_value->assign(kBlack);
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break;
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case COLOR_MODEL_GRAY:
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color_value->assign(kGray);
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break;
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case COLOR_MODEL_COLORMODE_COLOR:
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color_setting_name->assign(kCUPSColorMode);
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color_value->assign(kColor);
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break;
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case COLOR_MODEL_COLORMODE_MONOCHROME:
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color_setting_name->assign(kCUPSColorMode);
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color_value->assign(kMonochrome);
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break;
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case COLOR_MODEL_HP_COLOR_COLOR:
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color_setting_name->assign(kColor);
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color_value->assign(kColor);
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break;
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case COLOR_MODEL_HP_COLOR_BLACK:
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color_setting_name->assign(kColor);
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color_value->assign(kBlack);
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break;
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case COLOR_MODEL_PROCESSCOLORMODEL_CMYK:
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color_setting_name->assign(kCUPSProcessColorModel);
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color_value->assign(kCMYK);
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break;
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case COLOR_MODEL_PROCESSCOLORMODEL_GREYSCALE:
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color_setting_name->assign(kCUPSProcessColorModel);
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color_value->assign(kGreyscale);
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break;
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case COLOR_MODEL_PROCESSCOLORMODEL_RGB:
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color_setting_name->assign(kCUPSProcessColorModel);
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color_value->assign(kRGB);
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break;
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default:
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color_value->assign(kGrayscale);
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break;
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}
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}
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void InitPrintSettings(GtkPrintSettings* settings,
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GtkPageSetup* page_setup,
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CefRefPtr<CefPrintSettings> print_settings) {
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DCHECK(settings);
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DCHECK(page_setup);
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std::string device_name;
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const gchar* name = gtk_print_settings_get_printer(settings);
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if (name)
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device_name = name;
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print_settings->SetDeviceName(device_name);
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CefSize physical_size_device_units;
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CefRect printable_area_device_units;
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int dpi = gtk_print_settings_get_resolution(settings);
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if (dpi) {
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// Initialize page_setup_device_units_.
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physical_size_device_units.Set(
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gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH) * dpi,
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gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH) * dpi);
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printable_area_device_units.Set(
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gtk_page_setup_get_left_margin(page_setup, GTK_UNIT_INCH) * dpi,
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gtk_page_setup_get_top_margin(page_setup, GTK_UNIT_INCH) * dpi,
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gtk_page_setup_get_page_width(page_setup, GTK_UNIT_INCH) * dpi,
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gtk_page_setup_get_page_height(page_setup, GTK_UNIT_INCH) * dpi);
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} else {
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// Use default values if we cannot get valid values from the print dialog.
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dpi = kPixelsPerInch;
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double page_width_in_pixel = kLetterWidthInch * dpi;
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double page_height_in_pixel = kLetterHeightInch * dpi;
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physical_size_device_units.Set(
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static_cast<int>(page_width_in_pixel),
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static_cast<int>(page_height_in_pixel));
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printable_area_device_units.Set(
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static_cast<int>(kLeftMarginInInch * dpi),
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static_cast<int>(kTopMarginInInch * dpi),
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page_width_in_pixel - (kLeftMarginInInch + kRightMarginInInch) * dpi,
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page_height_in_pixel - (kTopMarginInInch + kBottomMarginInInch) * dpi);
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}
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print_settings->SetDPI(dpi);
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// Note: With the normal GTK print dialog, when the user selects the landscape
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// orientation, all that does is change the paper size. Which seems to be
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// enough to render the right output and send it to the printer.
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// The orientation value stays as portrait and does not actually affect
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// printing.
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// Thus this is only useful in print preview mode, where we manually set the
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// orientation and change the paper size ourselves.
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GtkPageOrientation orientation = gtk_print_settings_get_orientation(settings);
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// Set before SetPrinterPrintableArea to make it flip area if necessary.
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print_settings->SetOrientation(orientation == GTK_PAGE_ORIENTATION_LANDSCAPE);
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print_settings->SetPrinterPrintableArea(physical_size_device_units,
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printable_area_device_units,
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true);
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}
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} // namespace
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ClientPrintHandlerGtk::ClientPrintHandlerGtk()
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: dialog_(NULL),
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gtk_settings_(NULL),
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page_setup_(NULL),
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printer_(NULL) {
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}
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2015-10-12 22:45:14 +02:00
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void ClientPrintHandlerGtk::OnPrintStart(CefRefPtr<CefBrowser> browser) {
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}
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void ClientPrintHandlerGtk::OnPrintSettings(
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CefRefPtr<CefPrintSettings> settings,
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bool get_defaults) {
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if (get_defaults) {
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DCHECK(!page_setup_);
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DCHECK(!printer_);
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// |gtk_settings_| is a new copy.
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gtk_settings_ =
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gtk_print_settings_copy(GetLastUsedSettings()->settings());
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page_setup_ = gtk_page_setup_new();
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} else {
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if (!gtk_settings_) {
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gtk_settings_ =
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gtk_print_settings_copy(GetLastUsedSettings()->settings());
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}
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GtkPrinterList* printer_list = new GtkPrinterList;
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printer_ = printer_list->GetPrinterWithName(settings->GetDeviceName());
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if (printer_) {
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g_object_ref(printer_);
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gtk_print_settings_set_printer(gtk_settings_,
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gtk_printer_get_name(printer_));
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if (!page_setup_) {
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page_setup_ = gtk_printer_get_default_page_size(printer_);
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}
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}
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gtk_print_settings_set_n_copies(gtk_settings_, settings->GetCopies());
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gtk_print_settings_set_collate(gtk_settings_, settings->WillCollate());
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std::string color_value;
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std::string color_setting_name;
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GetColorModelForMode(settings->GetColorModel(), &color_setting_name,
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&color_value);
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gtk_print_settings_set(gtk_settings_, color_setting_name.c_str(),
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color_value.c_str());
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if (settings->GetDuplexMode() != DUPLEX_MODE_UNKNOWN) {
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const char* cups_duplex_mode = NULL;
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switch (settings->GetDuplexMode()) {
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case DUPLEX_MODE_LONG_EDGE:
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cups_duplex_mode = kDuplexNoTumble;
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break;
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case DUPLEX_MODE_SHORT_EDGE:
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cups_duplex_mode = kDuplexTumble;
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break;
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case DUPLEX_MODE_SIMPLEX:
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cups_duplex_mode = kDuplexNone;
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break;
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default: // UNKNOWN_DUPLEX_MODE
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NOTREACHED();
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break;
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}
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gtk_print_settings_set(gtk_settings_, kCUPSDuplex, cups_duplex_mode);
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|
|
}
|
|
|
|
|
|
|
|
if (!page_setup_)
|
|
|
|
page_setup_ = gtk_page_setup_new();
|
|
|
|
|
|
|
|
gtk_print_settings_set_orientation(
|
|
|
|
gtk_settings_,
|
|
|
|
settings->IsLandscape() ? GTK_PAGE_ORIENTATION_LANDSCAPE :
|
|
|
|
GTK_PAGE_ORIENTATION_PORTRAIT);
|
|
|
|
|
|
|
|
delete printer_list;
|
|
|
|
}
|
|
|
|
|
|
|
|
InitPrintSettings(gtk_settings_, page_setup_, settings);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool ClientPrintHandlerGtk::OnPrintDialog(
|
|
|
|
bool has_selection,
|
|
|
|
CefRefPtr<CefPrintDialogCallback> callback) {
|
|
|
|
dialog_callback_ = callback;
|
|
|
|
|
|
|
|
// TODO(cef): Identify the correct parent window.
|
|
|
|
GtkWindow* parent = NULL;
|
|
|
|
// TODO(estade): We need a window title here.
|
|
|
|
dialog_ = gtk_print_unix_dialog_new(NULL, parent);
|
|
|
|
g_signal_connect(dialog_, "delete-event",
|
|
|
|
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
|
|
|
|
|
|
|
|
|
|
|
// Set modal so user cannot focus the same tab and press print again.
|
|
|
|
gtk_window_set_modal(GTK_WINDOW(dialog_), TRUE);
|
|
|
|
|
|
|
|
// Since we only generate PDF, only show printers that support PDF.
|
|
|
|
// TODO(thestig) Add more capabilities to support?
|
|
|
|
GtkPrintCapabilities cap = static_cast<GtkPrintCapabilities>(
|
|
|
|
GTK_PRINT_CAPABILITY_GENERATE_PDF |
|
|
|
|
GTK_PRINT_CAPABILITY_PAGE_SET |
|
|
|
|
GTK_PRINT_CAPABILITY_COPIES |
|
|
|
|
GTK_PRINT_CAPABILITY_COLLATE |
|
|
|
|
GTK_PRINT_CAPABILITY_REVERSE);
|
|
|
|
gtk_print_unix_dialog_set_manual_capabilities(GTK_PRINT_UNIX_DIALOG(dialog_),
|
|
|
|
cap);
|
|
|
|
gtk_print_unix_dialog_set_embed_page_setup(GTK_PRINT_UNIX_DIALOG(dialog_),
|
|
|
|
TRUE);
|
|
|
|
gtk_print_unix_dialog_set_support_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
|
|
|
|
TRUE);
|
|
|
|
gtk_print_unix_dialog_set_has_selection(GTK_PRINT_UNIX_DIALOG(dialog_),
|
|
|
|
has_selection);
|
|
|
|
gtk_print_unix_dialog_set_settings(GTK_PRINT_UNIX_DIALOG(dialog_),
|
|
|
|
gtk_settings_);
|
|
|
|
g_signal_connect(dialog_, "response", G_CALLBACK(OnDialogResponseThunk),
|
|
|
|
this);
|
|
|
|
gtk_widget_show(dialog_);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool ClientPrintHandlerGtk::OnPrintJob(
|
|
|
|
const CefString& document_name,
|
|
|
|
const CefString& pdf_file_path,
|
|
|
|
CefRefPtr<CefPrintJobCallback> callback) {
|
|
|
|
// If |printer_| is NULL then somehow the GTK printer list changed out under
|
|
|
|
// us. In which case, just bail out.
|
|
|
|
if (!printer_)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
job_callback_ = callback;
|
|
|
|
|
|
|
|
// Save the settings for next time.
|
|
|
|
GetLastUsedSettings()->SetLastUsedSettings(gtk_settings_);
|
|
|
|
|
|
|
|
GtkPrintJob* print_job = gtk_print_job_new(
|
|
|
|
document_name.ToString().c_str(),
|
|
|
|
printer_,
|
|
|
|
gtk_settings_,
|
|
|
|
page_setup_);
|
|
|
|
gtk_print_job_set_source_file(print_job,
|
|
|
|
pdf_file_path.ToString().c_str(),
|
|
|
|
NULL);
|
|
|
|
gtk_print_job_send(print_job, OnJobCompletedThunk, this, NULL);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void ClientPrintHandlerGtk::OnPrintReset() {
|
|
|
|
if (dialog_) {
|
|
|
|
gtk_widget_destroy(dialog_);
|
|
|
|
dialog_ = NULL;
|
|
|
|
}
|
|
|
|
if (gtk_settings_) {
|
|
|
|
g_object_unref(gtk_settings_);
|
|
|
|
gtk_settings_ = NULL;
|
|
|
|
}
|
|
|
|
if (page_setup_) {
|
|
|
|
g_object_unref(page_setup_);
|
|
|
|
page_setup_ = NULL;
|
|
|
|
}
|
|
|
|
if (printer_) {
|
|
|
|
g_object_unref(printer_);
|
|
|
|
printer_ = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-03-24 16:40:08 +01:00
|
|
|
CefSize ClientPrintHandlerGtk::GetPdfPaperSize(int device_units_per_inch) {
|
|
|
|
GtkPageSetup* page_setup = gtk_page_setup_new();
|
|
|
|
|
|
|
|
float width = gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH);
|
|
|
|
float height = gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH);
|
|
|
|
|
|
|
|
g_object_unref(page_setup);
|
|
|
|
|
|
|
|
return CefSize(width * device_units_per_inch, height * device_units_per_inch);
|
|
|
|
}
|
|
|
|
|
2014-07-10 17:41:30 +02:00
|
|
|
void ClientPrintHandlerGtk::OnDialogResponse(GtkDialog *dialog,
|
|
|
|
gint response_id) {
|
|
|
|
int num_matched_handlers = g_signal_handlers_disconnect_by_func(
|
|
|
|
dialog_, reinterpret_cast<gpointer>(&OnDialogResponseThunk), this);
|
2014-07-11 22:10:05 +02:00
|
|
|
DCHECK_EQ(1, num_matched_handlers);
|
2014-07-10 17:41:30 +02:00
|
|
|
|
|
|
|
gtk_widget_hide(dialog_);
|
|
|
|
|
|
|
|
switch (response_id) {
|
|
|
|
case GTK_RESPONSE_OK: {
|
|
|
|
if (gtk_settings_)
|
|
|
|
g_object_unref(gtk_settings_);
|
|
|
|
gtk_settings_ = gtk_print_unix_dialog_get_settings(
|
|
|
|
GTK_PRINT_UNIX_DIALOG(dialog_));
|
|
|
|
|
|
|
|
if (printer_)
|
|
|
|
g_object_unref(printer_);
|
|
|
|
printer_ = gtk_print_unix_dialog_get_selected_printer(
|
|
|
|
GTK_PRINT_UNIX_DIALOG(dialog_));
|
|
|
|
g_object_ref(printer_);
|
|
|
|
|
|
|
|
if (page_setup_)
|
|
|
|
g_object_unref(page_setup_);
|
|
|
|
page_setup_ = gtk_print_unix_dialog_get_page_setup(
|
|
|
|
GTK_PRINT_UNIX_DIALOG(dialog_));
|
|
|
|
g_object_ref(page_setup_);
|
|
|
|
|
|
|
|
// Handle page ranges.
|
|
|
|
CefPrintSettings::PageRangeList ranges_vector;
|
|
|
|
gint num_ranges;
|
|
|
|
bool print_selection_only = false;
|
|
|
|
switch (gtk_print_settings_get_print_pages(gtk_settings_)) {
|
|
|
|
case GTK_PRINT_PAGES_RANGES: {
|
|
|
|
GtkPageRange* gtk_range =
|
|
|
|
gtk_print_settings_get_page_ranges(gtk_settings_, &num_ranges);
|
|
|
|
if (gtk_range) {
|
|
|
|
for (int i = 0; i < num_ranges; ++i) {
|
|
|
|
ranges_vector.push_back(
|
2016-01-19 21:09:01 +01:00
|
|
|
CefRange(gtk_range[i].start, gtk_range[i].end));
|
2014-07-10 17:41:30 +02:00
|
|
|
}
|
|
|
|
g_free(gtk_range);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case GTK_PRINT_PAGES_SELECTION:
|
|
|
|
print_selection_only = true;
|
|
|
|
break;
|
|
|
|
case GTK_PRINT_PAGES_ALL:
|
|
|
|
// Leave |ranges_vector| empty to indicate print all pages.
|
|
|
|
break;
|
|
|
|
case GTK_PRINT_PAGES_CURRENT:
|
|
|
|
default:
|
2014-07-11 22:10:05 +02:00
|
|
|
NOTREACHED();
|
2014-07-10 17:41:30 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
CefRefPtr<CefPrintSettings> settings = CefPrintSettings::Create();
|
|
|
|
settings->SetPageRanges(ranges_vector);
|
|
|
|
settings->SetSelectionOnly(print_selection_only);
|
|
|
|
InitPrintSettings(gtk_settings_, page_setup_, settings);
|
|
|
|
dialog_callback_->Continue(settings);
|
|
|
|
dialog_callback_ = NULL;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
case GTK_RESPONSE_DELETE_EVENT: // Fall through.
|
|
|
|
case GTK_RESPONSE_CANCEL: {
|
|
|
|
dialog_callback_->Cancel();
|
|
|
|
dialog_callback_ = NULL;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
case GTK_RESPONSE_APPLY:
|
|
|
|
default: {
|
2014-07-11 22:10:05 +02:00
|
|
|
NOTREACHED();
|
2014-07-10 17:41:30 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void ClientPrintHandlerGtk::OnJobCompleted(GtkPrintJob* print_job,
|
|
|
|
GError* error) {
|
|
|
|
job_callback_->Continue();
|
|
|
|
job_callback_ = NULL;
|
|
|
|
}
|
|
|
|
|
2015-01-23 20:23:54 +01:00
|
|
|
} // namespace client
|