const nest = require('depnest') exports.gives = nest('app.sync.catchKeyboardShortcut') exports.needs = nest({ 'app.html.searchBar': 'first', 'app.html.tabs': 'first', 'app.sync.goTo': 'first' }) var gPressed = false exports.create = function (api) { return nest('app.sync.catchKeyboardShortcut', catchKeyboardShortcut) function catchKeyboardShortcut (root) { var tabs = api.app.html.tabs() var search = api.app.html.searchBar() var goTo = api.app.sync.goTo root.addEventListener('keydown', (ev) => { isTextFieldEvent(ev) ? textFieldShortcuts(ev) : genericShortcuts(ev, { tabs, search, goTo }) }) } } function isTextFieldEvent (ev) { const tag = ev.target.nodeName return (tag === 'INPUT' || tag === 'TEXTAREA') } function textFieldShortcuts (ev) { switch (ev.keyCode) { case 13: // ctrl+enter if (ev.ctrlKey) { ev.target.publish && ev.target.publish() // expects the textField to have a publish method } return case 27: // esc return ev.target.blur() } } function genericShortcuts (ev, { tabs, search, goTo, back }) { let scroll const currentPage = tabs.currentPage() // TODO change this scroll API - it seems some pages // (e.g. Dark Crystal Index) has scroll defined and expect an object if (currentPage) { scroll = currentPage.scroll } else { scroll = noop } // Messages if (ev.keyCode === 71) { // gg = scroll to top if (!gPressed) { gPressed = true window.setTimeout(() => { gPressed = false }, 3000) return } scroll('first') } gPressed = false switch (ev.keyCode) { // Messages (cont'd) case 74: // j = older return scroll(1) case 75: // k = newer return scroll(-1) case 13: // enter = open return goToMessage(ev, { goTo }) case 79: // o = open return goToMessage(ev, { goTo }) case 192: // ` = toggle raw message view return toggleRawMessage(ev) // Tabs case 72: // h = left tabs.selectRelative(-1) return goTo(JSON.parse(tabs.currentPage().id)) case 76: // l = right tabs.selectRelative(1) return goTo(JSON.parse(tabs.currentPage().id)) case 88: // x = close tabs.closeCurrentTab() return // Search case 191: // / = routes search if (ev.shiftKey) search.activate('?', ev) else search.activate('/', ev) return case 50: // @ = mention search if (ev.shiftKey) search.activate('@', ev) return case 51: // # = channel search if (ev.shiftKey) search.activate('#', ev) return case 53: // % = message search if (ev.shiftKey) search.activate('%', ev) } } function goToMessage (ev, { goTo }) { const msg = ev.target if (msg.dataset && msg.dataset.key) { goTo(msg.dataset.key) // TODO - rm the dataset.root decorator } } function toggleRawMessage (ev) { const msg = ev.target if (!msg.classList.contains('Message')) return // this uses a crudely exported nav api const target = msg.querySelector('.meta .toggle-raw-msg') if (target) target.click() } function noop () {}