extension/packages/commands.coffee

   1 { classes: Cc, interfaces: Ci, utils: Cu } = Components
   2
   3 utils = require 'utils'
   4 { getPref } = require 'prefs'
   5
   6 { handleHintChar
   7 , injectHints
   8 , removeHints
   9 } = require 'hints'
  10
  11 { showHelp
  12 , hideHelp
  13 } = require 'help'
  14
  15 # Navigate to the address that is currently stored in the system clipboard
  16 command_p = (vim) ->
  17   vim.window.location.assign utils.readFromClipboard(vim.window)
  18
  19 # Open new tab and navigate to the address that is currently stored in the system clipboard
  20 command_P = (vim) ->
  21   if chromeWindow = utils.getRootWindow vim.window
  22     if gBrowser = chromeWindow.gBrowser
  23       gBrowser.selectedTab = gBrowser.addTab utils.readFromClipboard(vim.window)
  24
  25 # Open new tab and focus the address bar
  26 command_t = (vim) ->
  27   if chromeWindow = utils.getRootWindow vim.window
  28     if gBrowser = chromeWindow.gBrowser
  29       gBrowser.selectedTab = chromeWindow.gBrowser.addTab('about:blank')
  30       if urlbar = chromeWindow.document.getElementById('urlbar')
  31         urlbar.focus()
  32
  33 # Copy current URL to the clipboard
  34 command_yf = (vim) ->
  35   vim.markers = injectHints vim.window.document
  36   if vim.markers.length > 0
  37     # This callback will be called with the selected marker as argument
  38     vim.cb = (marker) ->
  39       if url = marker.element.href
  40         utils.writeToClipboard vim.window, url
  41
  42     vim.enterHintsMode()
  43
  44 # Copy current URL to the clipboard
  45 command_yy = (vim) ->
  46   utils.writeToClipboard vim.window, vim.window.location.toString()
  47
  48 # Reload the page, possibly from cache
  49 command_r = (vim) ->
  50   vim.window.location.reload(false)
  51
  52 # Reload the page from the server
  53 command_R = (vim) ->
  54   vim.window.location.reload(true)
  55
  56 # Scroll to the top of the page
  57 command_gg = (vim) ->
  58   vim.window.scrollTo(0, 0)
  59
  60 # Scroll to the bottom of the page
  61 command_G = (vim) ->
  62   if document = vim.window.document
  63     vim.window.scrollTo(0, document.body.scrollHeight)
  64
  65 # Scroll down a bit
  66 command_j_ce = (vim) ->
  67   utils.smoothScroll vim.window, 0, (getPref 'scroll_step'), getPref 'scroll_time'
  68
  69 # Scroll up a bit
  70 command_k_cy = (vim) ->
  71   utils.smoothScroll vim.window, 0, -(getPref 'scroll_step'), getPref 'scroll_time'
  72
  73 # Scroll left a bit
  74 command_h = (vim) ->
  75   vim.window.scrollBy -(getPref 'scroll_step'), 0
  76
  77 # Scroll right a bit
  78 command_l = (vim) ->
  79   vim.window.scrollBy (getPref 'scroll_step'), 0
  80
  81 # Scroll down half a page
  82 command_d = (vim) ->
  83   vim.window.scrollBy(0, vim.window.innerHeight / 2)
  84
  85 # Scroll up half a page
  86 command_u = (vim) ->
  87   vim.window.scrollBy(0, -vim.window.innerHeight / 2)
  88   #
  89 # Scroll down full a page
  90 command_cf = (vim) ->
  91   vim.window.scrollBy(0, vim.window.innerHeight)
  92
  93 # Scroll up full a page
  94 command_cb = (vim) ->
  95   vim.window.scrollBy(0, -vim.window.innerHeight)
  96
  97 # Activate previous tab
  98 command_J_gT = (vim) ->
  99   if rootWindow = utils.getRootWindow vim.window
 100     rootWindow.gBrowser.tabContainer.advanceSelectedTab(-1, true);
 101
 102 # Activate next tab
 103 command_K_gt = (vim) ->
 104   if rootWindow = utils.getRootWindow vim.window
 105     rootWindow.gBrowser.tabContainer.advanceSelectedTab(1, true);
 106
 107 # Go to the first tab
 108 command_gH_g0 = (vim) ->
 109   if rootWindow = utils.getRootWindow vim.window
 110     rootWindow.gBrowser.tabContainer.selectedIndex = 0;
 111
 112 # Go to the last tab
 113 command_gL_g$ = (vim) ->
 114   if rootWindow = utils.getRootWindow vim.window
 115     itemCount = rootWindow.gBrowser.tabContainer.itemCount;
 116     rootWindow.gBrowser.tabContainer.selectedIndex = itemCount - 1;
 117
 118 # Go back in history
 119 command_H = (vim) ->
 120   vim.window.history.back()
 121
 122 # Go forward in history
 123 command_L = (vim) ->
 124   vim.window.history.forward()
 125
 126 # Close current tab
 127 command_x = (vim) ->
 128   if rootWindow = utils.getRootWindow vim.window
 129     rootWindow.gBrowser.removeCurrentTab()
 130
 131 # Restore last closed tab
 132 command_X = (vim) ->
 133   if rootWindow = utils.getRootWindow vim.window
 134     ss = utils.getSessionStore()
 135     if ss and ss.getClosedTabCount(rootWindow) > 0
 136       ss.undoCloseTab rootWindow, 0
 137
 138 # Follow links with hint markers
 139 command_f = (vim) ->
 140   if document = vim.window.document
 141     vim.markers = injectHints document
 142     if vim.markers.length > 0
 143       # This callback will be called with the selected marker as argument
 144       vim.cb = (marker) ->
 145         marker.element.focus()
 146         utils.simulateClick marker.element
 147
 148       vim.enterHintsMode()
 149
 150 # Follow links in a new Tab with hint markers
 151 command_F = (vim) ->
 152   vim.markers = injectHints vim.window.document
 153   if vim.markers.length > 0
 154     # This callback will be called with the selected marker as argument
 155     vim.cb = (marker) ->
 156       marker.element.focus()
 157       utils.simulateClick marker.element, { metaKey: true, ctrlKey: true }
 158
 159     vim.enterHintsMode()
 160
 161 # Move current tab to the left
 162 command_cJ = (vim) ->
 163   if gBrowser = utils.getRootWindow(vim.window)?.gBrowser
 164     if tab = gBrowser.selectedTab
 165       index = gBrowser.tabContainer.selectedIndex
 166       total = gBrowser.tabContainer.itemCount
 167
 168       # `total` is added to deal with negative offset
 169       console.log index, total, (total + index - 1) % total, 'left'
 170       gBrowser.moveTabTo tab, (total + index - 1) % total
 171
 172 # Move current tab to the right
 173 command_cK = (vim) ->
 174   if gBrowser = utils.getRootWindow(vim.window)?.gBrowser
 175     if tab = gBrowser.selectedTab
 176       index = gBrowser.tabContainer.selectedIndex
 177       total = gBrowser.tabContainer.itemCount
 178
 179       console.log index, total, (index + 1) % total, 'right'
 180       gBrowser.moveTabTo tab, (index + 1) % total
 181
 182 # Display the Help Dialog
 183 command_help = (vim) ->
 184   showHelp vim.window.document, commandsHelp
 185
 186 # Close the Help dialog and cancel the pending hint marker action
 187 command_Esc = (vim) ->
 188   # Blur active element if it's editable. Other elements
 189   # aren't blurred - we don't want to interfere with
 190   # the browser too much
 191   activeElement = vim.window.document.activeElement
 192   if utils.isElementEditable activeElement
 193     activeElement.blur()
 194
 195   # Remove hints
 196   removeHints vim.window.document
 197   # Hide help dialog
 198   hideHelp vim.window.document
 199   # Finally enter normal mode
 200   vim.enterNormalMode()
 201
 202 commandGroups =
 203   'urls':
 204     'p':        [ command_p,      _('help_command_p') ]
 205     'P':        [ command_P,      _('help_command_P') ]
 206     'y,f':      [ command_yf,     _('help_command_yf') ]
 207     'y,y':      [ command_yy,     _('help_command_yy') ]
 208     'r':        [ command_r,      _('help_command_r') ]
 209     'R':        [ command_R,      _('help_command_R') ]
 210   'nav':
 211     'g,g':      [ command_gg ,    _('help_command_gg') ]
 212     'G':        [ command_G,      _('help_command_G') ]
 213     'j|c-e':    [ command_j_ce,   _('help_command_j_ce') ]
 214     'k|c-y':    [ command_k_cy,   _('help_command_k_cy') ]
 215     'h':        [ command_h,      _('help_command_h') ]
 216     'l':        [ command_l ,     _('help_command_l') ]
 217     'd':        [ command_d,      _('help_command_d') ]
 218     'u':        [ command_u,      _('help_command_u') ]
 219     'c-f':      [ command_cf,     _('help_command_cf') ]
 220     'c-b':      [ command_cb,     _('help_command_cb') ]
 221   'tabs':
 222     't':        [ command_t,      _('help_command_t') ]
 223     'J|g,T':    [ command_J_gT,   _('help_command_J_gT') ]
 224     'K|g,t':    [ command_K_gt,   _('help_command_K_gt') ]
 225     'c-J':      [ command_cJ,     _('help_command_cJ') ]
 226     'c-K':      [ command_cK,     _('help_command_cK') ]
 227     'g,H|g,0':  [ command_gH_g0,  _('help_command_gH_g0') ]
 228     'g,L|g,$':  [ command_gL_g$,  _('help_command_gL_g$') ]
 229     'x':        [ command_x,      _('help_command_x') ]
 230     'X':        [ command_X,      _('help_command_X') ]
 231   'browse':
 232     'f':        [ command_f,      _('help_command_f') ]
 233     'F':        [ command_F,      _('help_command_F') ]
 234     'H':        [ command_H,      _('help_command_H') ]
 235     'L':        [ command_L,      _('help_command_L') ]
 236   'misc':
 237     '?':        [ command_help,   _('help_command_help') ]
 238     'Esc':      [ command_Esc,    _('help_command_Esc') ]
 239
 240 # Merge groups and split command pipes into individual commands
 241 commands = do (commandGroups) ->
 242   newCommands = {}
 243   for group, commandsList of commandGroups
 244     for keys, command of commandsList
 245       for key in keys.split '|'
 246         newCommands[key] = command[0]
 247
 248   return newCommands
 249
 250 # Extract the help text from the commands preserving groups formation
 251 commandsHelp = do (commandGroups) ->
 252   help = {}
 253   for group, commandsList of commandGroups
 254     helpGroup = {}
 255     for keys, command of commandsList
 256       key = keys.replace(',', '').replace('|', ', ')
 257       helpGroup[key] = command[1]
 258
 259     help[group] = helpGroup
 260   return help
 261
 262 # Called in hints mode. Will process the char, update and hide/show markers
 263 hintCharHandler = (vim, char) ->
 264   # First count how many markers will match with the new character entered
 265   preMatch = vim.markers.reduce ((v, marker) -> v + marker.willMatch char), 0
 266
 267   # If prematch is greater than 0, then proceed with matching, else ignore the new char
 268   if preMatch > 0
 269     for marker in vim.markers
 270       marker.matchHintChar char
 271
 272       if marker.isMatched()
 273         vim.cb marker
 274         removeHints vim.window.document
 275         vim.enterNormalMode()
 276         break
 277
 278 exports.hintCharHandler = hintCharHandler
 279 exports.commands        = commands
 280 exports.commandsHelp    = commandsHelp