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fix logic

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This commit is contained in:
Leo Horie 2014-09-19 09:51:31 -04:00
parent 153d2384c8
commit b568426f57
1 changed files with 3 additions and 4 deletions
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7
mithril.js
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@ -460,21 +460,20 @@ Mithril = m = new function app(window, undefined) {
m.redraw = function(force) { m.redraw = function(force) {
var cancel = window.cancelAnimationFrame || window.clearTimeout var cancel = window.cancelAnimationFrame || window.clearTimeout
var defer = window.requestAnimationFrame || window.setTimeout var defer = window.requestAnimationFrame || window.setTimeout
var delay = new Date - lastRedrawCallTime
//lastRedrawId is a positive number if a second redraw is requested before the next animation frame //lastRedrawId is a positive number if a second redraw is requested before the next animation frame
//lastRedrawId is -1 if the redraw is the first one in a event handler (see #151) //lastRedrawId is -1 if the redraw is the first one in a event handler (see #151)
//lastRedrawID is null if it's the first redraw and not an event handler //lastRedrawID is null if it's the first redraw and not an event handler
if (lastRedrawId && force !== true) { if (lastRedrawId && force !== true) {
//when setTimeout: only reschedule redraw if time between now and previous redraw is bigger than a frame, otherwise keep currently scheduled timeout //when setTimeout: only reschedule redraw if time between now and previous redraw is bigger than a frame, otherwise keep currently scheduled timeout
//when rAF: always reschedule redraw //when rAF: always reschedule redraw
if (delay > FRAME_BUDGET || defer == window.requestAnimationFrame) { if (defer == window.setTimeout && new Date - lastRedrawCallTime > FRAME_BUDGET) {
if (lastRedrawId > 0) cancel(lastRedrawId) if (lastRedrawId > 0) cancel(lastRedrawId)
lastRedrawId = defer(redraw, delay) lastRedrawId = defer(redraw, FRAME_BUDGET)
} }
} }
else { else {
redraw() redraw()
lastRedrawId = defer(function() {lastRedrawId = null}, delay) lastRedrawId = defer(function() {lastRedrawId = null}, FRAME_BUDGET)
} }
} }
m.redraw.strategy = m.prop() m.redraw.strategy = m.prop()