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views/autocomplete: remove unused nodes

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This commit is contained in:
rr- 2016-05-20 18:43:15 +02:00
parent f2833b6e76
commit d2b9cece28
1 changed files with 22 additions and 3 deletions
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25
client/js/views/auto_complete_control.js
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@ -61,9 +61,27 @@ class AutoCompleteControl {
this.results = [];
this.activeResult = -1;
this.mutationObserver = new MutationObserver(
mutations => {
for (let mutation of mutations) {
for (let node of mutation.removedNodes) {
if (node.contains(input)) {
this.uninstall();
return;
}
}
}
});
this.install();
}
uninstall() {
window.clearTimeout(this.showTimeout);
this.mutationObserver.disconnect();
document.body.removeChild(this.suggestionDiv);
}
install() {
if (!this.input) {
throw new Error('Input element was not found');
@ -75,6 +93,9 @@ class AutoCompleteControl {
this.input.setAttribute('data-autocomplete', true);
this.input.setAttribute('autocomplete', 'off');
this.mutationObserver.observe(
document.body, {childList: true, subtree: true});
this.input.addEventListener(
'keydown',
e => {
@ -154,9 +175,7 @@ class AutoCompleteControl {
}
hide() {
if (this.showTimeout) {
window.clearTimeout(this.showTimeout);
}
window.clearTimeout(this.showTimeout);
this.suggestionDiv.style.display = 'none';
this.isVisible = false;
}