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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {DOM, V8CustomElement} from './helper.mjs';
DOM.defineCustomElement(
'view/tool-tip', (templateText) => class Tooltip extends V8CustomElement {
_targetNode;
_content;
_isHidden = true;
constructor() {
super(templateText);
this._intersectionObserver = new IntersectionObserver((entries) => {
if (entries[0].intersectionRatio <= 0) {
this.hide();
} else {
this.show();
this.requestUpdate(true);
}
});
document.addEventListener('click', (e) => this.hide());
}
_update() {
if (!this._targetNode || this._isHidden) return;
const rect = this._targetNode.getBoundingClientRect();
rect.x += rect.width / 2;
let atRight = this._useRight(rect.x);
let atBottom = this._useBottom(rect.y);
if (atBottom) {
rect.y += rect.height;
}
this._setPosition(rect, atRight, atBottom);
this.requestUpdate(true);
}
set positionOrTargetNode(positionOrTargetNode) {
if (positionOrTargetNode.nodeType === undefined) {
this.position = positionOrTargetNode;
} else {
this.targetNode = positionOrTargetNode;
}
}
set targetNode(targetNode) {
this._intersectionObserver.disconnect();
this._targetNode = targetNode;
if (targetNode) {
this._intersectionObserver.observe(targetNode);
this.requestUpdate(true);
}
}
set position(position) {
this._targetNode = undefined;
this._setPosition(
position, this._useRight(position.x), this._useBottom(position.y));
}
_setPosition(viewportPosition, atRight, atBottom) {
const horizontalMode = atRight ? 'right' : 'left';
const verticalMode = atBottom ? 'bottom' : 'top';
this.bodyNode.className = horizontalMode + ' ' + verticalMode;
const pageX = viewportPosition.x + window.scrollX;
this.style.left = `${pageX}px`;
const pageY = viewportPosition.y + window.scrollY;
this.style.top = `${pageY}px`;
}
_useBottom(viewportY) {
return viewportY <= 400;
}
_useRight(viewportX) {
return viewportX < document.documentElement.clientWidth / 2;
}
set content(content) {
if (!content) return this.hide();
this.show();
if (typeof content === 'string') {
this.contentNode.innerHTML = content;
this.contentNode.className = 'textContent';
} else {
const newContent = DOM.div();
newContent.appendChild(content);
this.contentNode.replaceWith(newContent);
newContent.id = 'content';
}
}
hide() {
this._isHidden = true;
this.bodyNode.style.display = 'none';
this.targetNode = undefined;
}
show() {
this.bodyNode.style.display = 'block';
this._isHidden = false;
}
get bodyNode() {
return this.$('#body');
}
get contentNode() {
return this.$('#content');
}
});
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