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Move screencasting into a separate service process

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Move the screencasting into a separate D-Bus service process, using
PipeWire instead of Clutter API. The service is implemented in
Javascript using the dbusService.js helper, and implements the same API
as was done by screencast.js and the corresponding C code.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1372
This commit is contained in:
Jonas Ådahl
2020-04-23 20:46:44 +02:00
parent a9b803f075
commit 2b0731ab81
19 changed files with 719 additions and 2340 deletions
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43
js/misc/fileUtils.js
View File

@ -1,6 +1,6 @@
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported collectFromDatadirs, recursivelyDeleteDir,
recursivelyMoveDir, loadInterfaceXML */
recursivelyMoveDir, loadInterfaceXML, loadSubInterfaceXML */
const { Gio, GLib } = imports.gi;
const Config = imports.misc.config;
@ -67,14 +67,19 @@ function recursivelyMoveDir(srcDir, destDir) {
}
let _ifaceResource = null;
function ensureIfaceResource() {
if (_ifaceResource)
return;
// don't use global.datadir so the method is usable from tests/tools
let dir = GLib.getenv('GNOME_SHELL_DATADIR') || Config.PKGDATADIR;
let path = `${dir}/gnome-shell-dbus-interfaces.gresource`;
_ifaceResource = Gio.Resource.load(path);
_ifaceResource._register();
}
function loadInterfaceXML(iface) {
if (!_ifaceResource) {
// don't use global.datadir so the method is usable from tests/tools
let dir = GLib.getenv('GNOME_SHELL_DATADIR') || Config.PKGDATADIR;
let path = `${dir}/gnome-shell-dbus-interfaces.gresource`;
_ifaceResource = Gio.Resource.load(path);
_ifaceResource._register();
}
ensureIfaceResource();
let uri = `resource:///org/gnome/shell/dbus-interfaces/${iface}.xml`;
let f = Gio.File.new_for_uri(uri);
@ -88,3 +93,25 @@ function loadInterfaceXML(iface) {
return null;
}
function loadSubInterfaceXML(iface, ifaceFile) {
let xml = loadInterfaceXML(ifaceFile);
if (!xml)
return null;
let ifaceStartTag = `<interface name="${iface}">`;
let ifaceStopTag = '</interface>';
let ifaceStartIndex = xml.indexOf(ifaceStartTag);
let ifaceEndIndex = xml.indexOf(ifaceStopTag, ifaceStartIndex + 1) + ifaceStopTag.length;
let xmlHeader = '<!DOCTYPE node PUBLIC\n' +
'\'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\'\n' +
'\'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\'>\n' +
'<node>\n';
let xmlFooter = '</node>';
return (
xmlHeader +
xml.substr(ifaceStartIndex, ifaceEndIndex - ifaceStartIndex) +
xmlFooter);
}