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focus on visible elements

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This commit is contained in:
Shin'ya Ueoka 2018-01-15 21:56:10 +09:00
parent 03e7e333a3
commit d1a81a877f
3 changed files with 30 additions and 23 deletions
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5
src/content/focuses.js
View file

@ -1,7 +1,10 @@
import * as doms from 'shared/utils/dom';
const focusInput = () => {
let inputTypes = ['email', 'number', 'search', 'tel', 'text', 'url'];
let inputSelector = inputTypes.map(type => `input[type=${type}]`).join(',');
let target = window.document.querySelector(inputSelector + ',textarea');
let targets = window.document.querySelectorAll(inputSelector + ',textarea');
let target = Array.from(targets).find(doms.isVisible);
if (target) {
target.focus();
}

24
src/content/scrolls.js
View file

@ -1,3 +1,5 @@
import * as doms from 'shared/utils/dom';
const SCROLL_DELTA_X = 48;
const SCROLL_DELTA_Y = 48;
const SMOOTH_SCROLL_DURATION = 150;
@ -5,25 +7,6 @@ const SMOOTH_SCROLL_DURATION = 150;
// dirty way to store scrolling state on globally
let scrolling = [false];
const isVisible = (element) => {
let rect = element.getBoundingClientRect();
if (rect.width === 0 || rect.height === 0) {
return false;
}
if (rect.right < 0 && rect.bottom < 0) {
return false;
}
if (window.innerWidth < rect.left && window.innerHeight < rect.top) {
return false;
}
let { display, visibility } = window.getComputedStyle(element);
if (display === 'none' || visibility === 'hidden') {
return false;
}
return true;
};
const isScrollableStyle = (element) => {
let { overflowX, overflowY } = window.getComputedStyle(element);
return !(overflowX !== 'scroll' && overflowX !== 'auto' &&
@ -44,8 +27,7 @@ const findScrollable = (element) => {
return element;
}
let children = Array.prototype
.filter.call(element.children, e => isVisible(e));
let children = Array.from(element.children).filter(doms.isVisible);
for (let child of children) {
let scrollable = findScrollable(child);
if (scrollable) {

24
src/shared/utils/dom.js
View file

@ -81,4 +81,26 @@ const viewportRect = (e) => {
};
};
export { isContentEditable, viewportRect };
const isVisible = (element) => {
let rect = element.getBoundingClientRect();
if (rect.width === 0 || rect.height === 0) {
return false;
}
if (rect.right < 0 && rect.bottom < 0) {
return false;
}
if (window.innerWidth < rect.left && window.innerHeight < rect.top) {
return false;
}
if (element.nodeName === 'INPUT' && element.type.toLowerCase() === 'hidden') {
return false;
}
let { display, visibility } = window.getComputedStyle(element);
if (display === 'none' || visibility === 'hidden') {
return false;
}
return true;
};
export { isContentEditable, viewportRect, isVisible };