/usr/share/gnome-shell/js/ui/screencast.js is in gnome-shell-common 3.10.4-0ubuntu5.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Hash = imports.misc.hash;
const Main = imports.ui.main;
const ScreencastIface = '<node> \
<interface name="org.gnome.Shell.Screencast"> \
<method name="Screencast"> \
<arg type="s" direction="in" name="file_template"/> \
<arg type="a{sv}" direction="in" name="options"/> \
<arg type="b" direction="out" name="success"/> \
<arg type="s" direction="out" name="filename_used"/> \
</method> \
<method name="ScreencastArea"> \
<arg type="i" direction="in" name="x"/> \
<arg type="i" direction="in" name="y"/> \
<arg type="i" direction="in" name="width"/> \
<arg type="i" direction="in" name="height"/> \
<arg type="s" direction="in" name="file_template"/> \
<arg type="a{sv}" direction="in" name="options"/> \
<arg type="b" direction="out" name="success"/> \
<arg type="s" direction="out" name="filename_used"/> \
</method> \
<method name="StopScreencast"> \
<arg type="b" direction="out" name="success"/> \
</method> \
</interface> \
</node>';
const ScreencastService = new Lang.Class({
Name: 'ScreencastService',
_init: function() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(ScreencastIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell/Screencast');
Gio.DBus.session.own_name('org.gnome.Shell.Screencast', Gio.BusNameOwnerFlags.REPLACE, null, null);
this._recorders = new Hash.Map();
Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
},
get isRecording() {
return this._recorders.size() > 0;
},
_ensureRecorderForSender: function(sender) {
let recorder = this._recorders.get(sender);
if (!recorder) {
recorder = new Shell.Recorder({ stage: global.stage,
screen: global.screen });
recorder._watchNameId =
Gio.bus_watch_name(Gio.BusType.SESSION, sender, 0, null,
Lang.bind(this, this._onNameVanished));
this._recorders.set(sender, recorder);
this.emit('updated');
}
return recorder;
},
_sessionUpdated: function() {
if (Main.sessionMode.allowScreencast)
return;
for (let sender in this._recorders.keys())
this._recorders.delete(sender);
this.emit('updated');
},
_onNameVanished: function(connection, name) {
this._stopRecordingForSender(name);
},
_stopRecordingForSender: function(sender) {
let recorder = this._recorders.get(sender);
if (!recorder)
return false;
Gio.bus_unwatch_name(recorder._watchNameId);
recorder.close();
this._recorders.delete(sender);
this.emit('updated');
return true;
},
_applyOptionalParameters: function(recorder, options) {
for (let option in options)
options[option] = options[option].deep_unpack();
if (options['pipeline'])
recorder.set_pipeline(options['pipeline']);
if (options['framerate'])
recorder.set_framerate(options['framerate']);
if (options['draw-cursor'])
recorder.set_draw_cursor(options['draw-cursor']);
},
ScreencastAsync: function(params, invocation) {
let returnValue = [false, ''];
if (!Main.sessionMode.allowScreencast) {
invocation.return_value(GLib.Variant.new('(bs)', returnValue));
return;
}
let sender = invocation.get_sender();
let recorder = this._ensureRecorderForSender(sender);
if (!recorder.is_recording()) {
let [fileTemplate, options] = params;
recorder.set_file_template(fileTemplate);
this._applyOptionalParameters(recorder, options);
let [success, fileName] = recorder.record();
returnValue = [success, fileName ? fileName : ''];
}
invocation.return_value(GLib.Variant.new('(bs)', returnValue));
},
ScreencastAreaAsync: function(params, invocation) {
let returnValue = [false, ''];
if (!Main.sessionMode.allowScreencast) {
invocation.return_value(GLib.Variant.new('(bs)', returnValue));
return;
}
let sender = invocation.get_sender();
let recorder = this._ensureRecorderForSender(sender);
if (!recorder.is_recording()) {
let [x, y, width, height, fileTemplate, options] = params;
if (x < 0 || y < 0 ||
width <= 0 || height <= 0 ||
x + width > global.screen_width ||
y + height > global.screen_height) {
invocation.return_error_literal(Gio.IOErrorEnum,
Gio.IOErrorEnum.CANCELLED,
"Invalid params");
return;
}
recorder.set_file_template(fileTemplate);
recorder.set_area(x, y, width, height);
this._applyOptionalParameters(recorder, options);
let [success, fileName] = recorder.record();
returnValue = [success, fileName ? fileName : ''];
}
invocation.return_value(GLib.Variant.new('(bs)', returnValue));
},
StopScreencastAsync: function(params, invocation) {
let success = this._stopRecordingForSender(invocation.get_sender());
invocation.return_value(GLib.Variant.new('(b)', [success]));
}
});
Signals.addSignalMethods(ScreencastService.prototype);
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