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/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
/* vim: set et ts=4 sw=4: */
/*
* GNOME Maps is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* GNOME Maps is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with GNOME Maps; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Amisha Singla <amishas157@gmail.com>
*/
import Adw from 'gi://Adw';
import GLib from 'gi://GLib';
import Gtk from 'gi://Gtk';
import {Application} from './application.js';
import {LongPrintLayout} from './longPrintLayout.js';
import {ShortPrintLayout} from './shortPrintLayout.js';
import {TransitPrintLayout} from './transitPrintLayout.js';
import * as Utils from './utils.js';
const _MIN_TIME_TO_ABORT = 3000;
/* Following constant has unit as meters */
const _SHORT_LAYOUT_MAX_DISTANCE = 3000;
export class PrintOperation {
constructor({mainWindow}) {
this._mainWindow = mainWindow;
this._operation = new Gtk.PrintOperation({ embed_page_setup: true });
this._operation.connect('begin-print', this._beginPrint.bind(this));
this._operation.connect('paginate', this._paginate.bind(this));
this._operation.connect('draw-page', this._drawPage.bind(this));
this._abortDialog = new Adw.MessageDialog({
transient_for: this._mainWindow,
destroy_with_parent: true,
modal: true,
heading: _("Loading map tiles for printing"),
body: _("You can abort printing if this takes too long")
});
this._abortDialog.add_response('abort', _("Abort printing"));
this._abortDialog.set_response_appearance('abort',
Adw.ResponseAppearance.DESTRUCTIVE);
this._responseId = this._abortDialog.connect('response',
this.onAbortDialogResponse.bind(this));
this._runPrintOperation();
}
_beginPrint(operation, context, data) {
let route = Application.routingDelegator.graphHopper.route;
let selectedTransitItinerary =
Application.routingDelegator.transitRouter.plan.selectedItinerary;
let width = context.get_width();
let height = context.get_height();
if (selectedTransitItinerary) {
this._layout =
new TransitPrintLayout({ itinerary: selectedTransitItinerary,
pageWidth: width,
pageHeight: height,
mainWindow: this._mainWindow });
} else {
// TODO: for now just use short layout, as we don't have minimaps
this._layout = new ShortPrintLayout({ route: route,
pageWidth: width,
pageHeight: height,
mainWindow: this._mainWindow });
/*
if (route.distance > _SHORT_LAYOUT_MAX_DISTANCE) {
this._layout = new LongPrintLayout({ route: route,
pageWidth: width,
pageHeight: height,
mainWindow: this._mainWindow });
} else {
this._layout = new ShortPrintLayout({ route: route,
pageWidth: width,
pageHeight: height,
mainWindow: this._mainWindow });
}
*/
}
GLib.timeout_add(null, _MIN_TIME_TO_ABORT, () => {
if (!this._layout.renderFinished) {
this._abortDialog.show();
}
return false;
});
this._layout.render();
}
onAbortDialogResponse(dialog, response) {
if (response === Gtk.ResponseType.DELETE_EVENT ||
response === Gtk.ResponseType.CANCEL) {
this._abortDialog.disconnect(this._responseId);
this._operation.cancel();
this._abortDialog.close();
}
}
_paginate(operation, context) {
if (this._layout) {
if (this._layout.renderFinished) {
operation.set_n_pages(this._layout.numPages);
this._abortDialog.close();
}
return this._layout.renderFinished;
} else {
return false;
}
}
_drawPage(operation, context, page_num, data) {
let cr = context.get_cairo_context();
this._layout.surfaceObjects[page_num].forEach((so) => {
cr.setSourceSurface(so.surface, so.x, so.y);
cr.paint();
});
}
_runPrintOperation() {
try {
let result = this._operation.run(Gtk.PrintOperationAction.PRINT_DIALOG,
this._mainWindow);
if (result === Gtk.PrintOperationResult.ERROR) {
let error = this._operation.get_error();
Utils.debug('Failed to print: %s'.format(error));
}
} catch(e) {
Utils.debug('Failed to print: %s'.format(e.message));
}
}
}
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