gnome-shell/js/misc/docInfo.js
Marina Zhurakhinskaya db52e024e8 Use a separate icon image as a drag actor instead of using the clone of the icon
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
2009-06-30 16:42:00 -04:00

115 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();
},
createIcon : function(size) {
let icon = new Clutter.Texture();
let iconPixbuf;
if (this.uri.match("^file://"))
iconPixbuf = Shell.get_thumbnail(this.uri, this.mimeType);
if (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(iconPixbuf.get_width(), iconPixbuf.get_height());
icon.set_width(Math.ceil(iconPixbuf.get_width() * scalingFactor));
icon.set_height(Math.ceil(iconPixbuf.get_height() * scalingFactor));
Shell.clutter_texture_set_from_pixbuf(icon, 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();
}
};