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scroll horizonally

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This commit is contained in:
Shin'ya Ueoka 2017-10-09 21:00:26 +09:00
parent 36963b1b8b
commit 8c84930ca3
4 changed files with 22 additions and 9 deletions
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16
src/content/scrolls.js
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@ -1,8 +1,15 @@
const SCROLL_DELTA = 48;
const SCROLL_DELTA_X = 48;
const SCROLL_DELTA_Y = 48;
const scrollLines = (page, count) => {
const scrollVertically = (page, count) => {
let x = page.scrollX;
let y = page.scrollY + SCROLL_DELTA * count;
let y = page.scrollY + SCROLL_DELTA_X * count;
page.scrollTo(x, y);
};
const scrollHorizonally = (page, count) => {
let x = page.scrollX + SCROLL_DELTA_Y * count;
let y = page.scrollY;
page.scrollTo(x, y);
};
@ -38,5 +45,6 @@ const scrollRight = (page) => {
};
export {
scrollLines, scrollPages, scrollTop, scrollBottom, scrollLeft, scrollRight
scrollVertically, scrollHorizonally, scrollPages,
scrollTop, scrollBottom, scrollLeft, scrollRight
};