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- Forward compatible handling of version comparisons

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- Add Zotero.repaint(window), which forces a UI repaint but doesn't execute any other events. We should use this within transactions to eliminate the nondeterminism of Zotero.wait().
This commit is contained in:
Simon Kornblith 2011-09-20 06:17:06 +00:00
parent 9e5c9716e2
commit 23b9d6fdb9
1 changed files with 36 additions and 2 deletions
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38
chrome/content/zotero/xpcom/zotero.js
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@ -211,6 +211,8 @@ if(appInfo.platformVersion[0] >= 2) {
var observerService = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
var versionComparator = Components.classes["@mozilla.org/xpcom/version-comparator;1"]
.getService(Components.interfaces.nsIVersionComparator);
// Load in the preferences branch for the extension
Zotero.Prefs.init();
@ -226,8 +228,8 @@ if(appInfo.platformVersion[0] >= 2) {
this.isFx35 = appInfo.platformVersion.indexOf('1.9.1') === 0;
this.isFx31 = this.isFx35;
this.isFx36 = appInfo.platformVersion.indexOf('1.9.2') === 0;
this.isFx4 = appInfo.platformVersion[0] >= 2;
this.isFx5 = appInfo.platformVersion[0] >= 5;
this.isFx4 = versionComparator.compare(appInfo.platformVersion[0], "2.0a1") >= 0;
this.isFx5 = versionComparator.compare(appInfo.platformVersion[0], "5.0a1") >= 0;
this.isStandalone = appInfo.ID == ZOTERO_CONFIG['GUID'];
if(this.isStandalone) {
@ -1496,6 +1498,38 @@ if(appInfo.platformVersion[0] >= 2) {
return;
};
/**
* Repaint UI on given window, without executing any events.
*
* @param {window} window Window to repaint
* @param {Boolean} [force=false] Whether to force a repaint. If false, a repaint only takes
* place if the last repaint was more than 100 ms ago.
*/
this.repaint = function(window, force) {
var now = Date.now();
// Don't repaint more than 10 times per second unless forced.
if(!force && window.zoteroLastRepaint && (now - window.zoteroLastRepaint) < 100) return
// Start a nested event queue
Zotero.mainThread.pushEventQueue(null);
try {
// Add the redraw event onto event queue
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.redraw();
// Process redraw event
Zotero.mainThread.processNextEvent(false);
} finally {
// Close nested event queue
Zotero.mainThread.popEventQueue();
}
window.zoteroLastRepaint = now;
};
/**
* Emulates the behavior of window.setTimeout, but ensures that callbacks do not get called
* during Zotero.wait()