release3_8.js

const getDownloadItems = (state) => {
  const currentWindow = state.get('currentWindow')
  const tabId = frameStateUtil.getActiveFrameTabId(state)
  const frameKey = frameStateUtil.getFrameKeyByTabId(currentWindow, tabId)
  
  const isPrivate = privateState.isPrivateTab(state, frameKey)
  
  if (!isPrivate) {
    if (!state || !state.get('downloads')) {
      return Immutable.List()
    }
    const downloadsSize = state.get('downloads').size
    const downloadItemWidth = domUtil.getStyleConstants('download-item-width')
    const downloadItemMargin = domUtil.getStyleConstants('download-item-margin')
    const downloadBarPadding = domUtil.getStyleConstants('download-bar-padding')
    const downloadBarButtons = domUtil.getStyleConstants('download-bar-buttons')
    const numItems = Math.floor(
      (window.innerWidth - (downloadBarPadding * 2) - downloadBarButtons) /
      (downloadItemWidth + downloadItemMargin)
    )
    return state.get('downloads')
      .sort((x, y) => x.get('startTime') - y.get('startTime'))
      .skip(downloadsSize - numItems)
      .reverse()
      .map((download, downloadId) => downloadId)
  }
}