diff options
Diffstat (limited to 'src/content')
-rw-r--r-- | src/content/actions/operation.js | 19 | ||||
-rw-r--r-- | src/content/components/common/keymapper.js | 3 | ||||
-rw-r--r-- | src/content/scrolls.js | 163 |
3 files changed, 139 insertions, 46 deletions
diff --git a/src/content/actions/operation.js b/src/content/actions/operation.js index 767f14b..1c0a5fb 100644 --- a/src/content/actions/operation.js +++ b/src/content/actions/operation.js @@ -5,9 +5,12 @@ import * as navigates from 'content/navigates'; import * as urls from 'content/urls'; import * as consoleFrames from 'content/console-frames'; import * as addonActions from './addon'; +import * as properties from 'shared/settings/properties'; // eslint-disable-next-line complexity -const exec = (operation) => { +const exec = (operation, repeat, settings) => { + let smoothscroll = settings.properties.smoothscroll || + properties.defaults.smoothscroll; switch (operation.type) { case operations.ADDON_ENABLE: return addonActions.enable(); @@ -24,19 +27,19 @@ const exec = (operation) => { type: messages.FIND_PREV, }), '*'); case operations.SCROLL_VERTICALLY: - return scrolls.scrollVertically(window, operation.count); + return scrolls.scrollVertically(operation.count, smoothscroll, repeat); case operations.SCROLL_HORIZONALLY: - return scrolls.scrollHorizonally(window, operation.count); + return scrolls.scrollHorizonally(operation.count, smoothscroll, repeat); case operations.SCROLL_PAGES: - return scrolls.scrollPages(window, operation.count); + return scrolls.scrollPages(operation.count, smoothscroll, repeat); case operations.SCROLL_TOP: - return scrolls.scrollTop(window); + return scrolls.scrollTop(smoothscroll, repeat); case operations.SCROLL_BOTTOM: - return scrolls.scrollBottom(window); + return scrolls.scrollBottom(smoothscroll, repeat); case operations.SCROLL_HOME: - return scrolls.scrollHome(window); + return scrolls.scrollHome(smoothscroll, repeat); case operations.SCROLL_END: - return scrolls.scrollEnd(window); + return scrolls.scrollEnd(smoothscroll, repeat); case operations.FOLLOW_START: return window.top.postMessage(JSON.stringify({ type: messages.FOLLOW_START, diff --git a/src/content/components/common/keymapper.js b/src/content/components/common/keymapper.js index fb8fabe..d9d1b2f 100644 --- a/src/content/components/common/keymapper.js +++ b/src/content/components/common/keymapper.js @@ -47,7 +47,8 @@ export default class KeymapperComponent { return true; } let operation = keymaps.get(matched[0]); - this.store.dispatch(operationActions.exec(operation)); + this.store.dispatch(operationActions.exec( + operation, key.repeat, state.setting)); this.store.dispatch(inputActions.clearKeys()); return true; } diff --git a/src/content/scrolls.js b/src/content/scrolls.js index ef38273..e8e9642 100644 --- a/src/content/scrolls.js +++ b/src/content/scrolls.js @@ -1,7 +1,11 @@ const SCROLL_DELTA_X = 48; const SCROLL_DELTA_Y = 48; +const SMOOTH_SCROLL_DURATION = 150; -const isVisible = (win, element) => { +// 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; @@ -9,19 +13,19 @@ const isVisible = (win, element) => { if (rect.right < 0 && rect.bottom < 0) { return false; } - if (win.innerWidth < rect.left && win.innerHeight < rect.top) { + if (window.innerWidth < rect.left && window.innerHeight < rect.top) { return false; } - let { display, visibility } = win.getComputedStyle(element); + let { display, visibility } = window.getComputedStyle(element); if (display === 'none' || visibility === 'hidden') { return false; } return true; }; -const isScrollableStyle = (win, element) => { - let { overflowX, overflowY } = win.getComputedStyle(element); +const isScrollableStyle = (element) => { + let { overflowX, overflowY } = window.getComputedStyle(element); return !(overflowX !== 'scroll' && overflowX !== 'auto' && overflowY !== 'scroll' && overflowY !== 'auto'); }; @@ -35,15 +39,15 @@ const isOverflowed = (element) => { // this method is called by each scrolling, and the returned value of this // method is not cached. That does not cause performance issue because in the // most pages, the window is root element i,e, documentElement. -const findScrollable = (win, element) => { - if (isScrollableStyle(win, element) && isOverflowed(element)) { +const findScrollable = (element) => { + if (isScrollableStyle(element) && isOverflowed(element)) { return element; } let children = Array.prototype - .filter.call(element.children, e => isVisible(win, e)); + .filter.call(element.children, e => isVisible(e)); for (let child of children) { - let scrollable = findScrollable(win, child); + let scrollable = findScrollable(child); if (scrollable) { return scrollable; } @@ -51,68 +55,153 @@ const findScrollable = (win, element) => { return null; }; -const scrollTarget = (win) => { - if (isOverflowed(win.document.documentElement)) { - return win.document.documentElement; +const scrollTarget = () => { + if (isOverflowed(window.document.documentElement)) { + return window.document.documentElement; } - if (isOverflowed(win.document.body)) { - return win.document.body; + if (isOverflowed(window.document.body)) { + return window.document.body; } - let target = findScrollable(win, win.document.documentElement); + let target = findScrollable(window.document.documentElement); if (target) { return target; } - return win.document.documentElement; + return window.document.documentElement; }; -const scrollVertically = (win, count) => { - let target = scrollTarget(win); +class SmoothScroller { + constructor(element, repeat) { + this.element = element; + this.repeat = repeat; + this.scrolling = scrolling; + if (repeat) { + this.easing = SmoothScroller.linearEasing; + } else { + this.easing = SmoothScroller.inOutQuadEasing; + } + } + + scroll(x, y) { + if (this.scrolling[0]) { + return; + } + scrolling[0] = true; + + this.startX = this.element.scrollLeft; + this.startY = this.element.scrollTop; + + this.targetX = x; + this.targetY = y; + this.distanceX = x - this.startX; + this.distanceY = y - this.startY; + this.timeStart = 0; + + window.requestAnimationFrame(this.loop.bind(this)); + } + + loop(time) { + if (!this.timeStart) { + this.timeStart = time; + } + + let elapsed = time - this.timeStart; + let v = this.easing(elapsed / SMOOTH_SCROLL_DURATION); + let nextX = this.startX + this.distanceX * v; + let nextY = this.startY + this.distanceY * v; + + window.scrollTo(nextX, nextY); + + if (elapsed < SMOOTH_SCROLL_DURATION) { + window.requestAnimationFrame(this.loop.bind(this)); + } else { + scrolling[0] = false; + this.element.scrollTo(this.targetX, this.targetY); + } + } + + static inOutQuadEasing(t) { + if (t < 1) { + return t * t; + } + return -(t - 1) * (t - 1) + 1; + } + + static linearEasing(t) { + return t; + } +} + +class RoughtScroller { + constructor(element) { + this.element = element; + } + + scroll(x, y) { + this.element.scrollTo(x, y); + } +} + +const scroller = (element, smooth, repeat) => { + if (smooth) { + return new SmoothScroller(element, repeat); + } + return new RoughtScroller(element); +}; + +const scrollVertically = (count, smooth, repeat) => { + let target = scrollTarget(); let x = target.scrollLeft; let y = target.scrollTop + SCROLL_DELTA_Y * count; - target.scrollTo(x, y); + if (repeat && smooth) { + y = target.scrollTop + SCROLL_DELTA_Y * count * 4; + } + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollHorizonally = (win, count) => { - let target = scrollTarget(win); +const scrollHorizonally = (count, smooth, repeat) => { + let target = scrollTarget(); let x = target.scrollLeft + SCROLL_DELTA_X * count; let y = target.scrollTop; - target.scrollTo(x, y); + if (repeat && smooth) { + y = target.scrollTop + SCROLL_DELTA_Y * count * 4; + } + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollPages = (win, count) => { - let target = scrollTarget(win); +const scrollPages = (count, smooth, repeat) => { + let target = scrollTarget(); let height = target.clientHeight; let x = target.scrollLeft; let y = target.scrollTop + height * count; - target.scrollTo(x, y); + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollTop = (win) => { - let target = scrollTarget(win); +const scrollTop = (smooth, repeat) => { + let target = scrollTarget(); let x = target.scrollLeft; let y = 0; - target.scrollTo(x, y); + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollBottom = (win) => { - let target = scrollTarget(win); +const scrollBottom = (smooth, repeat) => { + let target = scrollTarget(); let x = target.scrollLeft; let y = target.scrollHeight; - target.scrollTo(x, y); + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollHome = (win) => { - let target = scrollTarget(win); +const scrollHome = (smooth, repeat) => { + let target = scrollTarget(); let x = 0; let y = target.scrollTop; - target.scrollTo(x, y); + scroller(target, smooth, repeat).scroll(x, y); }; -const scrollEnd = (win) => { - let target = scrollTarget(win); +const scrollEnd = (smooth, repeat) => { + let target = scrollTarget(); let x = target.scrollWidth; let y = target.scrollTop; - target.scrollTo(x, y); + scroller(target, smooth, repeat).scroll(x, y); }; export { |