gnome-shell/js/misc/docInfo.js
Dan Winship a3d35af444 Split appDisplay and docDisplay into "model" and "view" parts
This lets us share the recent-app-tracking, recent-file-tracking, and
icon-drawing code between the overlay and the sidebar, without the
sidebar having to poke into AppDisplayItem and DocDisplayItem's guts.
2009-06-16 18:50:42 -04:00

113 lines
4.6 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Shell = imports.gi.Shell;
const Main = imports.ui.main;
const THUMBNAIL_ICON_MARGIN = 2;
function DocInfo(recentInfo) {
this._init(recentInfo);
}
DocInfo.prototype = {
_init : function(recentInfo) {
this._recentInfo = recentInfo;
this.name = recentInfo.get_display_name();
this.uri = recentInfo.get_uri();
this.mimeType = recentInfo.get_mime_type();
this._iconPixbuf = Shell.get_thumbnail(this.uri, this.mimeType);
},
getIcon : function(size) {
let icon = new Clutter.Texture();
if (this._iconPixbuf) {
// We calculate the width and height of the texture so as
// to preserve the aspect ratio of the thumbnail. Because
// the images generated based on thumbnails don't have an
// internal padding like system icons do, we create a
// slightly smaller texture and then create a group around
// it for padding purposes
let scalingFactor = (size - THUMBNAIL_ICON_MARGIN * 2) / Math.max(this._iconPixbuf.get_width(), this._iconPixbuf.get_height());
icon.set_width(Math.ceil(this._iconPixbuf.get_width() * scalingFactor));
icon.set_height(Math.ceil(this._iconPixbuf.get_height() * scalingFactor));
Shell.clutter_texture_set_from_pixbuf(icon, this._iconPixbuf);
let group = new Clutter.Group({ width: size,
height: size });
group.add_actor(icon);
icon.set_position(THUMBNAIL_ICON_MARGIN, THUMBNAIL_ICON_MARGIN);
return group;
} else {
Shell.clutter_texture_set_from_pixbuf(icon, this._recentInfo.get_icon(size));
return icon;
}
},
launch : function() {
// While using Gio.app_info_launch_default_for_uri() would be
// shorter in terms of lines of code, we are not doing so
// because that would duplicate the work of retrieving the
// mime type.
let appInfo = Gio.app_info_get_default_for_type(this.mimeType, true);
if (appInfo != null) {
appInfo.launch_uris([this.uri], Main.createAppLaunchContext());
} else {
log("Failed to get default application info for mime type " + mimeType +
". Will try to use the last application that registered the document.");
let appName = this._recentInfo.last_application();
let [success, appExec, count, time] = this._recentInfo.get_application_info(appName);
if (success) {
log("Will open a document with the following command: " + appExec);
// TODO: Change this once better support for creating
// GAppInfo is added to GtkRecentInfo, as right now
// this relies on the fact that the file uri is
// already a part of appExec, so we don't supply any
// files to appInfo.launch().
// The 'command line' passed to
// create_from_command_line is allowed to contain
// '%<something>' macros that are expanded to file
// name / icon name, etc, so we need to escape % as %%
appExec = appExec.replace(/%/g, "%%");
let appInfo = Gio.app_info_create_from_commandline(appExec, null, 0, null);
// The point of passing an app launch context to
// launch() is mostly to get startup notification and
// associated benefits like the app appearing on the
// right desktop; but it doesn't really work for now
// because with the way we create the appInfo we
// aren't reading the application's desktop file, and
// thus don't find the StartupNotify=true in it. So,
// despite passing the app launch context, no startup
// notification occurs.
appInfo.launch([], Main.createAppLaunchContext());
} else {
log("Failed to get application info for " + this.uri);
}
}
},
exists : function() {
return this._recentInfo.exists();
},
lastVisited : function() {
// We actually used get_modified() instead of get_visited()
// here, as GtkRecentInfo doesn't updated get_visited()
// correctly. See
// http://bugzilla.gnome.org/show_bug.cgi?id=567094
return this._recentInfo.get_modified();
}
};