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Fix when scroll animate duration greater than debounce will cause scrolling flicking

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Cheng-Han, Wu 2016-05-28 00:31:43 +08:00
parent 5c861fd51e
commit 5819e4007f
1 changed files with 19 additions and 18 deletions
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37
public/js/syncscroll.js
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@ -115,10 +115,7 @@ var viewScrollThrottle = 10;
var buildMapThrottle = 100;
var viewScrolling = false;
var viewScrollingDebounce = 200;
var editScrolling = false;
var editScrollingDebounce = 200;
ui.area.codemirrorScroll.on('scroll', _.throttle(syncScrollToView, editScrollThrottle));
ui.area.view.on('scroll', _.throttle(syncScrollToEdit, viewScrollThrottle));
@ -214,12 +211,8 @@ function buildMapInner(callback) {
if (loaded && callback) callback();
}
// sync view scroll progress to edit
var viewScrollingTimeout = _.debounce(viewScrollingTimeoutInner, viewScrollingDebounce);
function viewScrollingTimeoutInner() {
viewScrolling = false;
}
// sync view scroll progress to edit
var viewScrollingTimer = null;
function syncScrollToEdit(e) {
if (currentMode != modeType.both || !syncscroll) return;
@ -280,20 +273,22 @@ function syncScrollToEdit(e) {
var posDiff = Math.abs(scrollInfo.top - posTo);
var duration = posDiff / 50;
duration = duration >= 100 ? duration : 100;
ui.area.codemirrorScroll.stop(true, true).animate({
scrollTop: posTo
}, duration >= 100 ? duration : 100, "linear");
}, duration, "linear");
viewScrolling = true;
viewScrollingTimeout();
clearTimeout(viewScrollingTimer);
viewScrollingTimer = setTimeout(viewScrollingTimeoutInner, duration * 1.2);
}
function viewScrollingTimeoutInner() {
viewScrolling = false;
}
// sync edit scroll progress to view
var editScrollingTimeout = _.debounce(editScrollingTimeoutInner, editScrollingDebounce);
function editScrollingTimeoutInner() {
editScrolling = false;
}
var editScrollingTimer = null;
function syncScrollToView(event, _lineNo) {
if (currentMode != modeType.both || !syncscroll) return;
@ -336,10 +331,16 @@ function syncScrollToView(event, _lineNo) {
var posDiff = Math.abs(ui.area.view.scrollTop() - posTo);
var duration = posDiff / 50;
duration = duration >= 100 ? duration : 100;
ui.area.view.stop(true, true).animate({
scrollTop: posTo
}, duration >= 100 ? duration : 100, "linear");
}, duration, "linear");
editScrolling = true;
editScrollingTimeout();
clearTimeout(editScrollingTimer);
editScrollingTimer = setTimeout(editScrollingTimeoutInner, duration * 1.2);
}
function editScrollingTimeoutInner() {
editScrolling = false;
}