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Merge pull request #1079 from ajaxorg/requestAnimationFrame

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use request animation frame
This commit is contained in:
Mostafa Eweda 2012-11-06 14:52:16 -08:00
commit d5039f75c6
4 changed files with 23 additions and 11 deletions
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2
lib/ace/editor.js
View file

@ -348,7 +348,7 @@ var Editor = function(renderer, session) {
var range = new Range(pos.row, pos.column, pos.row, pos.column+1); var range = new Range(pos.row, pos.column, pos.row, pos.column+1);
self.session.$bracketHighlight = self.session.addMarker(range, "ace_bracket", "text"); self.session.$bracketHighlight = self.session.addMarker(range, "ace_bracket", "text");
} }
}, 10); }, 50);
}; };
/** /**

19
lib/ace/lib/event.js
View file

@ -298,11 +298,18 @@ if (window.postMessage && !useragent.isOldIE) {
win.postMessage(messageName, "*"); win.postMessage(messageName, "*");
}; };
} }
else {
exports.nextTick = function(callback, win) {
win = win || window;
window.setTimeout(callback, 0);
};
}
exports.nextFrame = window.requestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame;
if (exports.nextFrame)
exports.nextFrame = exports.nextFrame.bind(window);
else
exports.nextFrame = function(callback) {
setTimeout(callback, 17);
};
}); });

2
lib/ace/renderloop.js
View file

@ -68,7 +68,7 @@ var RenderLoop = function(onRender, win) {
if (!this.pending) { if (!this.pending) {
this.pending = true; this.pending = true;
var _self = this; var _self = this;
event.nextTick(function() { event.nextFrame(function() {
_self.pending = false; _self.pending = false;
var changes; var changes;
while (changes = _self.changes) { while (changes = _self.changes) {

5
lib/ace/search_highlight.js
View file

@ -42,6 +42,9 @@ var SearchHighlight = function(regExp, clazz, type) {
}; };
(function() { (function() {
// needed to prevent long lines from freezing the browser
this.MAX_RANGES = 500;
this.setRegexp = function(regExp) { this.setRegexp = function(regExp) {
if (this.regExp+"" == regExp+"") if (this.regExp+"" == regExp+"")
return; return;
@ -58,6 +61,8 @@ var SearchHighlight = function(regExp, clazz, type) {
var ranges = this.cache[i]; var ranges = this.cache[i];
if (ranges == null) { if (ranges == null) {
ranges = lang.getMatchOffsets(session.getLine(i), this.regExp); ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
if (ranges.length > this.MAX_RANGES)
ranges = ranges.slice(0, this.MAX_RANGES);
ranges = ranges.map(function(match) { ranges = ranges.map(function(match) {
return new Range(i, match.offset, i, match.offset + match.length); return new Range(i, match.offset, i, match.offset + match.length);
}); });