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extensionUtils: Load extensions asynchronously

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Use the new collectFromDatadirsAsync() function for extension
loading as well.

https://bugzilla.gnome.org/show_bug.cgi?id=689304
This commit is contained in:
Florian Müllner 2012-11-30 18:06:11 +01:00
parent c528401b62
commit 6b40c3974d
1 changed files with 23 additions and 40 deletions
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63
js/misc/extensionUtils.js
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@ -11,6 +11,7 @@ const Gio = imports.gi.Gio;
const ShellJS = imports.gi.ShellJS;
const Config = imports.misc.config;
const FileUtils = imports.misc.fileUtils;
const ExtensionType = {
SYSTEM: 1,
@ -150,53 +151,35 @@ function installImporter(extension) {
const ExtensionFinder = new Lang.Class({
Name: 'ExtensionFinder',
_scanExtensionsInDirectory: function(dir, type) {
let fileEnum;
let file, info;
try {
fileEnum = dir.enumerate_children('standard::*', Gio.FileQueryInfoFlags.NONE, null);
} catch(e) {
if (e.domain != Gio.io_error_quark() || e.code != Gio.IOErrorEnum.NOT_FOUND)
logError(e, 'Could not enumerate extensions directory');
_loadExtension: function(extensionDir, info, perUserDir) {
let fileType = info.get_file_type();
if (fileType != Gio.FileType.DIRECTORY)
return;
let uuid = info.get_name();
let existing = extensions[uuid];
if (existing) {
log('Extension %s already installed in %s. %s will not be loaded'.format(uuid, existing.path, extensionDir.get_path()));
return;
}
while ((info = fileEnum.next_file(null)) != null) {
let fileType = info.get_file_type();
if (fileType != Gio.FileType.DIRECTORY)
continue;
let uuid = info.get_name();
let extensionDir = dir.get_child(uuid);
let existing = extensions[uuid];
if (existing) {
log('Extension %s already installed in %s. %s will not be loaded'.format(uuid, existing.path, extensionDir.get_path()));
continue;
}
let extension;
try {
extension = createExtensionObject(uuid, extensionDir, type);
} catch(e) {
logError(e, 'Could not load extension %s'.format(uuid));
continue;
}
this.emit('extension-found', extension);
let extension;
let type = extensionDir.has_prefix(perUserDir) ? ExtensionType.PER_USER
: ExtensionType.SYSTEM;
try {
extension = createExtensionObject(uuid, extensionDir, type);
} catch(e) {
logError(e, 'Could not load extension %s'.format(uuid));
return;
}
fileEnum.close(null);
this.emit('extension-found', extension);
},
scanExtensions: function() {
let userExtensionsDir = Gio.File.new_for_path(GLib.build_filenamev([global.userdatadir, 'extensions']));
this._scanExtensionsInDirectory(userExtensionsDir, ExtensionType.PER_USER);
let systemDataDirs = GLib.get_system_data_dirs();
for (let i = 0; i < systemDataDirs.length; i++) {
let dirPath = GLib.build_filenamev([systemDataDirs[i], 'gnome-shell', 'extensions']);
let dir = Gio.file_new_for_path(dirPath);
if (dir.query_exists(null))
this._scanExtensionsInDirectory(dir, ExtensionType.SYSTEM);
}
let perUserDir = Gio.File.new_for_path(global.userdatadir);
FileUtils.collectFromDatadirsAsync('extensions',
{ processFile: Lang.bind(this, this._loadExtension),
includeUserDir: true,
data: perUserDir });
}
});
Signals.addSignalMethods(ExtensionFinder.prototype);