db52e024e8
Clutter no longer allows using a clone of an actor that is not a part of the scene graph. This is what used to happen when we created a clone for the icon of the item that was being dragged, and then closed the More panes with the original item, removing the icon from the scene graph. This was also when happened when the user hit Esc while dragging, which prompted the overlay to close, removing the original icon from the scene graph. Rename getIcon() methods to createIcon() to better reflect on the fact that a new icon is created each time the method is called (we do use cache in some cases). Remove a stray log message in overlay.js Fixes http://bugzilla.gnome.org/show_bug.cgi?id=585490 and http://bugzilla.gnome.org/show_bug.cgi?id=585489
135 lines
3.6 KiB
JavaScript
135 lines
3.6 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Gtk = imports.gi.Gtk;
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const Shell = imports.gi.Shell;
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const Main = imports.ui.main;
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function AppInfo(appId) {
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this._init(appId);
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}
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AppInfo.prototype = {
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_init : function(appId) {
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this.appId = appId;
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this._gAppInfo = Gio.DesktopAppInfo.new(appId);
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if (!this._gAppInfo) {
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throw new Error('Unknown appId ' + appId);
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}
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this.id = this._gAppInfo.get_id();
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this.name = this._gAppInfo.get_name();
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this.description = this._gAppInfo.get_description();
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this.executable = this._gAppInfo.get_executable();
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this._gicon = this._gAppInfo.get_icon();
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},
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createIcon : function(size) {
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if (this._gicon)
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return Shell.TextureCache.get_default().load_gicon(this._gicon, size);
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else
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return new Clutter.Texture({ width: size, height: size });
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},
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getIconPath : function(size) {
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if (this._gicon) {
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let iconTheme = Gtk.IconTheme.get_default();
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let previewIconInfo = iconTheme.lookup_by_gicon(this._gicon, size, 0);
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if (previewIconInfo)
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return previewIconInfo.get_filename();
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}
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return null;
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},
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launch : function() {
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this._gAppInfo.launch([], Main.createAppLaunchContext());
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}
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};
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var _infos = {};
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// getAppInfo:
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// @appId: an appId
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//
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// Gets an #AppInfo for @appId. This is preferable to calling
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// new AppInfo() directly, because it caches #AppInfos.
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//
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// Return value: the new or cached #AppInfo, or %null if @appId
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// doesn't point to a valid .desktop file
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function getAppInfo(appId) {
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let info = _infos[appId];
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if (info === undefined) {
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try {
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info = _infos[appId] = new AppInfo(appId);
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} catch (e) {
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info = _infos[appId] = null;
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}
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}
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return info;
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}
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// getTopApps:
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// @count: maximum number of apps to retrieve
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//
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// Gets a list of #AppInfos for the @count most-frequently-used
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// applications, with explicitly-chosen favorites first.
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//
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// Return value: the list of #AppInfo
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function getTopApps(count) {
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let appMonitor = Shell.AppMonitor.get_default();
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let matches = [], alreadyAdded = {};
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let favs = getFavorites();
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for (let i = 0; i < favs.length && favs.length <= count; i++) {
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let appId = favs[i].appId;
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if (alreadyAdded[appId])
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continue;
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alreadyAdded[appId] = true;
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matches.push(favs[i]);
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}
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// Ask for more apps than we need, since the list of recently used
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// apps might contain an app we don't have a desktop file for
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let apps = appMonitor.get_most_used_apps (0, Math.round(count * 1.5));
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for (let i = 0; i < apps.length && matches.length <= count; i++) {
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let appId = apps[i] + ".desktop";
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if (alreadyAdded[appId])
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continue;
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alreadyAdded[appId] = true;
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let appInfo = getAppInfo(appId);
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if (appInfo) {
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matches.push(appInfo);
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}
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}
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return matches;
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}
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function _idListToInfos(ids) {
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let infos = [];
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for (let i = 0; i < ids.length; i++) {
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let display = getAppInfo(ids[i]);
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if (display == null)
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continue;
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infos.push(display);
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}
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return infos;
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}
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function getFavorites() {
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let system = Shell.AppSystem.get_default();
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return _idListToInfos(system.get_favorites());
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}
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function getRunning() {
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let monitor = Shell.AppMonitor.get_default();
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return _idListToInfos(monitor.get_running_app_ids());
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}
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