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Display thumbnails of recent files in the overlay mode by using GnomeThumbnailFactory to get them. Fall back to the system icon for the file type provided by GtkRecentInfo when a thumbnail is not available.

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svn path=/trunk/; revision=143
This commit is contained in:
Marina Zhurakhinskaya
2009-01-09 01:09:35 +00:00
parent 1e99f00e59
commit 849ddbd3f6
8 changed files with 105 additions and 21 deletions
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34
js/ui/docDisplay.js
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@ -9,6 +9,8 @@ const Shell = imports.gi.Shell;
const GenericDisplay = imports.ui.genericDisplay;
const ITEM_DISPLAY_ICON_MARGIN = 2;
/* This class represents a single display item containing information about a document.
*
* docInfo - GtkRecentInfo object containing information about the document
@ -30,9 +32,24 @@ DocDisplayItem.prototype = {
// we can possibly display tags in the space for description in the future
let description = "";
let icon = new Clutter.Texture({width: 48, height: 48});
Shell.clutter_texture_set_from_pixbuf(icon, docInfo.get_icon(48));
let icon = new Clutter.Texture();
let pixbuf = Shell.get_thumbnail_for_recent_info(docInfo);
if (pixbuf) {
// 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 use extra margin when positioning it.
let scalingFactor = (GenericDisplay.ITEM_DISPLAY_ICON_SIZE - ITEM_DISPLAY_ICON_MARGIN * 2) / Math.max(pixbuf.get_width(), pixbuf.get_height());
icon.set_width(Math.ceil(pixbuf.get_width() * scalingFactor));
icon.set_height(Math.ceil(pixbuf.get_height() * scalingFactor));
Shell.clutter_texture_set_from_pixbuf(icon, pixbuf);
icon.x = GenericDisplay.ITEM_DISPLAY_PADDING + ITEM_DISPLAY_ICON_MARGIN;
icon.y = GenericDisplay.ITEM_DISPLAY_PADDING + ITEM_DISPLAY_ICON_MARGIN;
} else {
Shell.clutter_texture_set_from_pixbuf(icon, docInfo.get_icon(GenericDisplay.ITEM_DISPLAY_ICON_SIZE));
icon.x = GenericDisplay.ITEM_DISPLAY_PADDING;
icon.y = GenericDisplay.ITEM_DISPLAY_PADDING;
}
this._setItemInfo(name, description, icon);
},
@ -124,10 +141,13 @@ DocDisplay.prototype = {
// While this._allItems associative array seems to always be ordered by last added,
// as the results of this._recentManager.get_items() based on which it is constructed are,
// we should do the sorting manually because we want the order to be based on last visited.
// TODO: would it be better to store an additional array of doc ids as they are
// returned by this._recentManager.get_items() to avoid having to do this sorting?
// This function is called each time the search string is set back to '', so we are
// doing the sorting over the same items multiple times.
//
// This function is called each time the search string is set back to '' or we display
// the overlay, so we are doing the sorting over the same items multiple times if the list
// of recent items didn't change. We could store an additional array of doc ids and sort
// them once when they are returned by this._recentManager.get_items() to avoid having to do
// this sorting each time, but the sorting seems to be very fast anyway, so there is no need
// to introduce an additional class variable.
let docIds = [];
for (docId in this._allItems) {
docIds.push(docId);