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Only do redisplay when mapped

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If we're not mapped, only queue up a redisplay.  This avoids
e.g. changes in recent documents such as saving a file in GEdit
causing a lot of blocking I/O in the shell (we need to make
recent loading async as well).

https://bugzilla.gnome.org/show_bug.cgi?id=599560
This commit is contained in:
Colin Walters 2009-10-24 12:43:56 -04:00
parent c8b1afbad6
commit 94bd6f1718
1 changed files with 17 additions and 1 deletions
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18
js/ui/genericDisplay.js
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@ -314,7 +314,7 @@ GenericDisplayItem.prototype = {
// For some reason, we are not getting leave-event signal when we are dragging an item,
// so we should remove the link manually.
this._informationButton.actor.hide();
}
}
};
Signals.addSignalMethods(GenericDisplayItem.prototype);
@ -342,6 +342,9 @@ GenericDisplay.prototype = {
this._updateDisplayControl(false);
}));
this._pendingRedisplay = RedisplayFlags.NONE;
this._list.connect('notify::mapped', Lang.bind(this, this._onMappedNotify));
// map<itemId, Object> where Object represents the item info
this._allItems = {};
// set<itemId>
@ -642,6 +645,11 @@ GenericDisplay.prototype = {
* FULL - Indicates that we need recreate all displayed items; implies RESET_CONTROLS as well
*/
_redisplay: function(flags) {
if (!this._list.mapped) {
this._pendingRedisplay |= flags;
return;
}
let isSubSearch = (flags & RedisplayFlags.SUBSEARCH) > 0;
let fullReload = (flags & RedisplayFlags.FULL) > 0;
let resetPage = (flags & RedisplayFlags.RESET_CONTROLS) > 0 || fullReload;
@ -852,6 +860,14 @@ GenericDisplay.prototype = {
let item = this._findDisplayedByIndex(index);
item.markSelected(true);
this.emit('selected');
},
_onMappedNotify: function () {
let mapped = this._list.mapped;
if (mapped && this._pendingRedisplay > RedisplayFlags.NONE)
this._redisplay(this._pendingRedisplay);
this._pendingRedisplay = RedisplayFlags.NONE;
}
};