diff options
Diffstat (limited to 'background_scripts/commands.coffee')
| -rw-r--r-- | background_scripts/commands.coffee | 120 |
1 files changed, 47 insertions, 73 deletions
diff --git a/background_scripts/commands.coffee b/background_scripts/commands.coffee index 6aa8ca0d..2d3312ea 100644 --- a/background_scripts/commands.coffee +++ b/background_scripts/commands.coffee @@ -1,36 +1,54 @@ Commands = + availableCommands: {} + keyToCommandRegistry: null + mapKeyRegistry: null + init: -> - for own command, descriptor of commandDescriptions - @addCommand(command, descriptor[0], descriptor[1]) - @loadKeyMappings Settings.get "keyMappings" + for own command, [description, options] of commandDescriptions + @availableCommands[command] = extend (options ? {}), description: description + Settings.postUpdateHooks["keyMappings"] = @loadKeyMappings.bind this + @loadKeyMappings Settings.get "keyMappings" loadKeyMappings: (customKeyMappings) -> - @clearKeyMappingsAndSetDefaults() - @parseCustomKeyMappings customKeyMappings - @generateKeyStateMapping() - chrome.storage.local.set mapKeyRegistry: @mapKeyRegistry - - availableCommands: {} - keyToCommandRegistry: {} - - # Registers a command, making it available to be optionally bound to a key. - # options: - # - background: whether this command needs to be run against the background page. - addCommand: (command, description, options = {}) -> - if command of @availableCommands - BgUtils.log "#{command} is already defined! Check commands.coffee for duplicates." - return + @keyToCommandRegistry = {} + @mapKeyRegistry = {} - @availableCommands[command] = extend options, description: description + configLines = ("map #{key} #{command}" for own key, command of defaultKeyMappings) + configLines.push BgUtils.parseLines(customKeyMappings)... + seen = {} + unmapAll = false + for line in configLines.reverse() + tokens = line.split /\s+/ + switch tokens[0] + when "map" + if 3 <= tokens.length and not unmapAll + [_, key, command, optionsList...] = tokens + if not seen[key] and registryEntry = @availableCommands[command] + seen[key] = true + keySequence = @parseKeySequence key + options = @parseCommandOptions command, optionsList + @keyToCommandRegistry[key] = extend {keySequence, command, options}, @availableCommands[command] + when "unmap" + if tokens.length == 2 + seen[tokens[1]] = true + when "unmapAll" + unmapAll = true + when "mapkey" + if tokens.length == 3 + fromChar = @parseKeySequence tokens[1] + toChar = @parseKeySequence tokens[2] + @mapKeyRegistry[fromChar[0]] = toChar[0] if fromChar.length == toChar.length == 1 - mapKeyToCommand: ({ key, keySequence, command, options }) -> - unless @availableCommands[command] - BgUtils.log "#{command} doesn't exist!" - return + chrome.storage.local.set mapKeyRegistry: @mapKeyRegistry + @installKeyStateMapping() - options ?= {} - @keyToCommandRegistry[key] = extend { keySequence, command, options }, @availableCommands[command] + # Push the key mapping for passNextKey into Settings so that it's available in the front end for insert + # mode. We exclude single-key mappings (that is, printable keys) because when users press printable keys + # in insert mode they expect the character to be input, not to be droppped into some special Vimium + # mode. + Settings.set "passNextKeyKeys", + (key for own key of @keyToCommandRegistry when @keyToCommandRegistry[key].command == "passNextKey" and 1 < key.length) # Lower-case the appropriate portions of named keys. # @@ -60,43 +78,6 @@ Commands = else [key[0], @parseKeySequence(key[1..])...] - parseCustomKeyMappings: (customKeyMappings) -> - for line in BgUtils.parseLines customKeyMappings - tokens = line.split /\s+/ - switch tokens[0] - when "map" - [ _, key, command, optionList... ] = tokens - keySequence = @parseKeySequence key - if command? and @availableCommands[command] - key = keySequence.join "" - BgUtils.log "mapping [\"#{keySequence.join '", "'}\"] to #{command}" - @mapKeyToCommand { key, command, keySequence, options: @parseCommandOptions command, optionList } - else - BgUtils.log "skipping [\"#{keySequence.join '", "'}\"] for #{command} -- something is not right" - - when "unmap" - if tokens.length == 2 - keySequence = @parseKeySequence tokens[1] - key = keySequence.join "" - BgUtils.log "Unmapping #{key}" - delete @keyToCommandRegistry[key] - - when "unmapAll" - @keyToCommandRegistry = {} - - when "mapkey" - if tokens.length == 3 - fromChar = @parseKeySequence tokens[1] - toChar = @parseKeySequence tokens[2] - @mapKeyRegistry[fromChar[0]] = toChar[0] if fromChar.length == toChar.length == 1 - - # Push the key mapping for passNextKey into Settings so that it's available in the front end for insert - # mode. We exclude single-key mappings (that is, printable keys) because when users press printable keys - # in insert mode they expect the character to be input, not to be droppped into some special Vimium - # mode. - Settings.set "passNextKeyKeys", - (key for own key of @keyToCommandRegistry when @keyToCommandRegistry[key].command == "passNextKey" and 1 < key.length) - # Command options follow command mappings, and are of one of two forms: # key=value - a value # key - a flag @@ -113,16 +94,9 @@ Commands = options - clearKeyMappingsAndSetDefaults: -> - @keyToCommandRegistry = {} - @mapKeyRegistry = {} - for own key, command of defaultKeyMappings - keySequence = @parseKeySequence key - key = keySequence.join "" - @mapKeyToCommand { key, command, keySequence } - - # This generates a nested key-to-command mapping structure. There is an example in mode_key_handler.coffee. - generateKeyStateMapping: -> + # This generates and installs a nested key-to-command mapping structure. There is an example in + # mode_key_handler.coffee. + installKeyStateMapping: -> keyStateMapping = {} for own keys, registryEntry of @keyToCommandRegistry currentMapping = keyStateMapping @@ -136,7 +110,7 @@ Commands = else currentMapping[key] = extend {}, registryEntry # We don't need these properties in the content scripts. - delete registryEntry[prop] for prop in ["keySequence", "description"] + delete currentMapping[key][prop] for prop in ["keySequence", "description"] chrome.storage.local.set normalModeKeyStateMapping: keyStateMapping # An ordered listing of all available commands, grouped by type. This is the order they will |