/usr/share/gnome-maps/js/userLocation.js is in gnome-maps 3.10.2-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
/* vim: set et ts=4 sw=4: */
/*
* Copyright (c) 2011, 2012, 2013 Red Hat, Inc.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
*/
const Clutter = imports.gi.Clutter;
const Champlain = imports.gi.Champlain;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const MapLocation = imports.mapLocation;
const Utils = imports.utils;
const Path = imports.path;
const _ = imports.gettext.gettext;
const UserLocation = new Lang.Class({
Name: 'UserLocation',
Extends: MapLocation.MapLocation,
show: function(layer) {
layer.remove_all();
this._locationMarker = new Champlain.CustomMarker();
this._locationMarker.set_location(this.latitude, this.longitude);
this._locationMarker.connect('notify::size', (function() {
let translate_x = -Math.floor(this._locationMarker.get_width() / 2);
this._locationMarker.set_translation(translate_x,
-this._locationMarker.get_height(),
0);
}).bind(this));
let pin_actor = Utils.CreateActorFromImageFile(Path.ICONS_DIR + "/pin.svg");
if (!pin_actor)
return;
let bubbleActor = Utils.CreateActorFromImageFile(Path.ICONS_DIR + "/bubble.svg");
if (!bubbleActor)
return;
bubbleActor.set_x_expand(true);
bubbleActor.set_y_expand(true);
/* Translators: Showing name of place where user currently is and
accuracy of this information (which is translated
separately)
*/
let text = _("%s\nPosition Accuracy: %s")
.format (this.description, this.getAccuracyDescription());
let textActor = new Clutter.Text({ text: text });
textActor.set_margin_left(6);
textActor.set_margin_right(6);
textActor.set_color(new Clutter.Color({ red: 255,
blue: 255,
green: 255,
alpha: 255 }));
let layout = new Clutter.BinLayout();
let descriptionActor = new Clutter.Actor({ layout_manager: layout });
descriptionActor.add_child(bubbleActor);
descriptionActor.add_child(textActor);
layout = new Clutter.BoxLayout({ vertical: true });
let locationActor = new Clutter.Actor({ layout_manager: layout });
locationActor.add_child(descriptionActor);
locationActor.add_child(pin_actor);
this._locationMarker.add_actor(locationActor);
this._locationMarker.bind_property("selected",
descriptionActor, "visible",
GObject.BindingFlags.SYNC_CREATE);
if (this.accuracy === 0) {
layer.add_marker(this._locationMarker);
return;
}
// FIXME: Perhaps this is a misuse of Champlain.Point class and we
// should draw the cirlce ourselves using Champlain.CustomMarker?
// Although for doing so we'll need to add a C lib as cairo isn't
// exactly introspectable.
this._accuracyMarker = new Champlain.Point();
this._accuracyMarker.set_color(new Clutter.Color({ red: 0,
blue: 255,
green: 0,
alpha: 50 }));
this._accuracyMarker.set_location(this.latitude, this.longitude);
this._accuracyMarker.set_reactive(false);
this._updateAccuracyMarker();
if (this._selectedId > 0)
this._locationMarker.disconnect(this._selectedId);
this._selectedId = this._locationMarker.connect("notify::selected",
this._updateAccuracyMarker.bind(this));
layer.add_marker(this._accuracyMarker);
layer.add_marker(this._locationMarker);
if (this._zoomLevelId > 0)
this._view.disconnect(this._zoomLevelId);
this._zoomLevelId = this._view.connect("notify::zoom-level", this._updateAccuracyMarker.bind(this));
},
_updateAccuracyMarker: function() {
if (!this._locationMarker.get_selected()) {
this._accuracyMarker.hide();
return;
}
let zoom = this._view.get_zoom_level();
let source = this._view.get_map_source();
let metersPerPixel = source.get_meters_per_pixel(zoom, this.latitude, this.longitude);
let size = this.accuracy * 2 / metersPerPixel;
let viewWidth = this._view.get_width();
let viewHeight = this._view.get_height();
if ((viewWidth > 0 && viewHeight > 0) &&
(size > viewWidth && size > viewHeight))
this._accuracyMarker.hide();
else {
this._accuracyMarker.set_size(size);
this._accuracyMarker.show();
}
}
});
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