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Bug 539493 - Always pause rendering during drag [r=mfinkle]

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This commit is contained in:
Benjamin Stover 2010-01-13 12:30:08 -08:00
parent 0d6aa7df36
commit 0e0db2623d
1 changed files with 9 additions and 8 deletions
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17
mobile/chrome/content/browser.js
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@ -1361,6 +1361,15 @@ Browser.MainDragger.prototype = {
isDraggable: function isDraggable(target, scroller) { return true; },
dragStart: function dragStart(clientX, clientY, target, scroller) {
// Make sure pausing occurs before any early returns.
this.bv.pauseRendering();
// XXX shouldn't know about observer
// adding pause in pauseRendering isn't so great, because tiles will hardly ever prefetch while
// loading state is going (and already, the idle timer is bigger during loading so it doesn't fit
// into the aggressive flag).
this.bv._idleServiceObserver.pause();
let [x, y] = Browser.transformClientToBrowser(clientX, clientY);
let element = Browser.elementFromPoint(x, y);
@ -1414,14 +1423,6 @@ Browser.MainDragger.prototype = {
if (element)
this.draggedFrame = element.ownerDocument.defaultView;
this.bv.pauseRendering();
// XXX shouldn't know about observer
// adding pause in pauseRendering isn't so great, because tiles will hardly ever prefetch while
// loading state is going (and already, the idle timer is bigger during loading so it doesn't fit
// into the aggressive flag).
this.bv._idleServiceObserver.pause();
},
dragStop: function dragStop(dx, dy, scroller) {