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add ability to run requests in background

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This commit is contained in:
Leo Horie 2014-04-29 23:14:09 -04:00
parent f4a248f0a5
commit 91a32af76c
13 changed files with 123 additions and 41 deletions
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22
mithril.js
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@ -222,28 +222,28 @@ Mithril = m = new function app(window) {
m.endComputation()
}
m.redraw = function() {
for (var i = 0; i < roots.length; i++) {
m.render(roots[i], modules[i].view(controllers[i]))
}
lastRedraw = now
}
function redraw() {
now = window.performance && window.performance.now ? window.performance.now() : new window.Date().getTime()
if (now - lastRedraw > 16) m.redraw()
if (now - lastRedraw > 16) redraw()
else {
var cancel = window.cancelAnimationFrame || window.clearTimeout
var defer = window.requestAnimationFrame || window.setTimeout
cancel(lastRedrawId)
lastRedrawId = defer(m.redraw, 0)
lastRedrawId = defer(redraw, 0)
}
}
function redraw() {
for (var i = 0; i < roots.length; i++) {
m.render(roots[i], modules[i].view(controllers[i]))
}
lastRedraw = now
}
var pendingRequests = 0, computePostRedrawHook = null
m.startComputation = function() {pendingRequests++}
m.endComputation = function() {
pendingRequests = Math.max(pendingRequests - 1, 0)
if (pendingRequests == 0) {
redraw()
m.redraw()
if (computePostRedrawHook) {
computePostRedrawHook()
computePostRedrawHook = null
@ -437,7 +437,7 @@ Mithril = m = new function app(window) {
}
m.request = function(xhrOptions) {
m.startComputation()
if (xhrOptions.background !== true) m.startComputation()
var deferred = m.deferred()
var serialize = xhrOptions.serialize || JSON.stringify
var deserialize = xhrOptions.deserialize || JSON.parse
@ -455,7 +455,7 @@ Mithril = m = new function app(window) {
else if (xhrOptions.type) response = new xhrOptions.type(response)
deferred.promise(response)
deferred[e.type == "load" ? "resolve" : "reject"](response)
m.endComputation()
if (xhrOptions.background !== true) m.endComputation()
}
ajax(xhrOptions)
deferred.promise.then = propBinder(deferred.promise)