alex/yomichan
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Optimization

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This commit is contained in:
Alex Yatskov 2016-04-07 20:51:05 -07:00
parent fb46421737
commit edbb8086bc
1 changed files with 17 additions and 6 deletions
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19
ext/fg/js/client.js
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@ -19,8 +19,9 @@
class Client { class Client {
constructor() { constructor() {
this.popupOffset = 10;
this.lastMosePos = null; this.lastMosePos = null;
this.popupText = '';
this.popupOffset = 10;
this.enabled = false; this.enabled = false;
this.options = null; this.options = null;
@ -93,7 +94,12 @@ class Client {
return; return;
} }
findTerm(range.toString(), ({results, length}) => { const text = range.toString();
if (text === this.popupText) {
return;
}
findTerm(text, ({results, length}) => {
if (length === 0) { if (length === 0) {
this.hidePopup(); this.hidePopup();
} else { } else {
@ -113,18 +119,23 @@ class Client {
const pos = getPopupPositionForRange(this.popup, range, this.popupOffset); const pos = getPopupPositionForRange(this.popup, range, this.popupOffset);
this.popupText = range.toString();
this.popup.style.left = pos.x + 'px'; this.popup.style.left = pos.x + 'px';
this.popup.style.top = pos.y + 'px'; this.popup.style.top = pos.y + 'px';
this.popup.style.visibility = 'visible'; this.popup.style.visibility = 'visible';
} }
hidePopup() { hidePopup() {
if (this.popup.style.visibility !== 'hidden') { if (this.popup.style.visibility === 'hidden') {
return;
}
const selection = window.getSelection(); const selection = window.getSelection();
selection.removeAllRanges(); selection.removeAllRanges();
this.popupText = '';
this.popup.style.visibility = 'hidden'; this.popup.style.visibility = 'hidden';
} }
}
setEnabled(enabled) { setEnabled(enabled) {
if (!(this.enabled = enabled)) { if (!(this.enabled = enabled)) {