git ssb

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const nest = require('depnest')
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const { h } = require('mutant')
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const insertCss = require('insert-css')
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const electron = require('electron')
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exports.gives = nest('app.html.app')
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exports.needs = nest({
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  'app.async.catchLinkClick': 'first',
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  'app.html.externalConfirm': 'first',
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  'app.html.tabs': 'first',
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  'app.page.errors': 'first',
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  'app.sync.window': 'reduce',
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  'app.sync.addPage': 'first',
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  'app.sync.catchKeyboardShortcut': 'first',
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  'router.sync.router': 'first',
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  'router.sync.normalise': 'first',
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  'styles.css': 'reduce',
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  'settings.sync.get': 'first',
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  'settings.sync.set': 'first'
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})
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exports.create = function (api) {
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  return nest('app.html.app', app)
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  function app () {
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    window = api.app.sync.window(window)
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    const css = values(api.styles.css()).join('\n')
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    insertCss(css)
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    const initialTabs = [ '/public', '/private', '/notifications' ]
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    // NB router converts these to { page: '/public' }
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    const tabs = api.app.html.tabs(initialTabs)
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    const App = h('App', tabs)
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    // Catch keyboard shortcuts
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    api.app.sync.catchKeyboardShortcut(window, { tabs })
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    // Catch link clicks
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    api.app.async.catchLinkClick(App, (link, { ctrlKey: openBackground, isExternal }) => {
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      if (isExternal) return api.app.html.externalConfirm(link)
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      // TODO tidy up who and where this logic happens (do when adding patch-history)
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      const location = api.router.sync.normalise(link)
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      const tabId = JSON.stringify(location)
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      if (tabs.has(tabId)) tabs.select(tabId)
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      else {
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        const changeTab = !openBackground
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        api.app.sync.addPage(location, changeTab)
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      }
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    })
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    // Catch errors
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    var { container: errorPage, addError } = api.router.sync.router('/errors')
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    window.addEventListener('error', ev => {
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      if (!tabs.has('/errors')) tabs.add(errorPage, true)
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      addError(ev.error || ev)
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    })
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    ////// TODO - extract this to keep patch-lite isolated from electron
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    const { getCurrentWebContents, getCurrentWindow } = electron.remote
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    window.addEventListener('resize', () => {
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      var wc = getCurrentWebContents()
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      wc && wc.getZoomFactor((zf) => {
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        api.settings.sync.set({
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          electron: {
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            zoomFactor: zf,
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            windowBounds: getCurrentWindow().getBounds()
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          }
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        })
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      })
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    })
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    var zoomFactor = api.settings.sync.get('electron.zoomFactor')
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    if (zoomFactor)
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      getCurrentWebContents().setZoomFactor(zoomFactor)
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    var bounds = api.settings.sync.get('electron.windowBounds')
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    if (bounds)
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      getCurrentWindow().setBounds(bounds)
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    //////
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    return App
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  }
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}
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function values (object) {
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  const keys = Object.keys(object)
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  return keys.map(k => object[k])
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}
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