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# This overrides the HelpDialog implementation in vimium_frontend.coffee. We provide aliases for the two
# HelpDialog methods required by normalMode (isShowing() and toggle()).
HelpDialog =
dialogElement: null
isShowing: -> true
# This setting is pulled out of local storage. It's false by default.
getShowAdvancedCommands: -> Settings.get("helpDialog_showAdvancedCommands")
init: ->
return if @dialogElement?
@dialogElement = document.getElementById "vimiumHelpDialog"
@dialogElement.getElementsByClassName("closeButton")[0].addEventListener("click", (clickEvent) =>
clickEvent.preventDefault()
@hide()
false)
@dialogElement.getElementsByClassName("optionsPage")[0].addEventListener("click", (clickEvent) ->
clickEvent.preventDefault()
chrome.runtime.sendMessage({handler: "openOptionsPageInNewTab"})
false)
@dialogElement.getElementsByClassName("toggleAdvancedCommands")[0].addEventListener("click",
HelpDialog.toggleAdvancedCommands, false)
document.documentElement.addEventListener "click", (event) =>
@hide() unless @dialogElement.contains event.target
, false
show: ({html}) ->
for own placeholder, htmlString of html
@dialogElement.querySelector("#help-dialog-#{placeholder}").innerHTML = htmlString
@showAdvancedCommands(@getShowAdvancedCommands())
# When command names are shown, clicking on them copies their text to the clipboard (and they can be
# clicked with link hints).
for element in @dialogElement.getElementsByClassName "commandName"
do (element) ->
element.setAttribute "role", "link"
element.addEventListener "click", ->
commandName = element.textContent
chrome.runtime.sendMessage handler: "copyToClipboard", data: commandName
HUD.showForDuration("Yanked #{commandName}.", 2000)
# "Click" the dialog element (so that it becomes scrollable).
DomUtils.simulateClick @dialogElement
hide: -> UIComponentServer.hide()
toggle: -> @hide()
#
# Advanced commands are hidden by default so they don't overwhelm new and casual users.
#
toggleAdvancedCommands: (event) ->
event.preventDefault()
showAdvanced = HelpDialog.getShowAdvancedCommands()
HelpDialog.showAdvancedCommands(!showAdvanced)
Settings.set("helpDialog_showAdvancedCommands", !showAdvanced)
showAdvancedCommands: (visible) ->
HelpDialog.dialogElement.getElementsByClassName("toggleAdvancedCommands")[0].innerHTML =
if visible then "Hide advanced commands" else "Show advanced commands"
# Add/remove the showAdvanced class to show/hide advanced commands.
addOrRemove = if visible then "add" else "remove"
HelpDialog.dialogElement.classList[addOrRemove] "showAdvanced"
UIComponentServer.registerHandler (event) ->
switch event.data.name ? event.data
when "hide" then HelpDialog.hide()
when "activate"
HelpDialog.init()
HelpDialog.show event.data
Frame.postMessage "registerFrame"
# If we abandoned (see below) in a mode with a HUD indicator, then we have to reinstate it.
Mode.setIndicator()
when "hidden"
# Unregister the frame, so that it's not available for `gf` or link hints.
Frame.postMessage "unregisterFrame"
# Abandon any HUD which might be showing within the help dialog.
HUD.abandon()
root = exports ? window
root.HelpDialog = HelpDialog
root.isVimiumHelpDialog = true
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