diff options
Diffstat (limited to 'libs/bower_components/mousetrap/plugins/record/mousetrap-record.js')
| -rw-r--r-- | libs/bower_components/mousetrap/plugins/record/mousetrap-record.js | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/libs/bower_components/mousetrap/plugins/record/mousetrap-record.js b/libs/bower_components/mousetrap/plugins/record/mousetrap-record.js deleted file mode 100644 index 1b9353371d..0000000000 --- a/libs/bower_components/mousetrap/plugins/record/mousetrap-record.js +++ /dev/null @@ -1,189 +0,0 @@ -/** - * This extension allows you to record a sequence using Mousetrap. - * - * @author Dan Tao <daniel.tao@gmail.com> - */ -(function(Mousetrap) { - /** - * the sequence currently being recorded - * - * @type {Array} - */ - var _recordedSequence = [], - - /** - * a callback to invoke after recording a sequence - * - * @type {Function|null} - */ - _recordedSequenceCallback = null, - - /** - * a list of all of the keys currently held down - * - * @type {Array} - */ - _currentRecordedKeys = [], - - /** - * temporary state where we remember if we've already captured a - * character key in the current combo - * - * @type {boolean} - */ - _recordedCharacterKey = false, - - /** - * a handle for the timer of the current recording - * - * @type {null|number} - */ - _recordTimer = null, - - /** - * the original handleKey method to override when Mousetrap.record() is - * called - * - * @type {Function} - */ - _origHandleKey = Mousetrap.handleKey; - - /** - * handles a character key event - * - * @param {string} character - * @param {Array} modifiers - * @param {Event} e - * @returns void - */ - function _handleKey(character, modifiers, e) { - // remember this character if we're currently recording a sequence - if (e.type == 'keydown') { - if (character.length === 1 && _recordedCharacterKey) { - _recordCurrentCombo(); - } - - for (i = 0; i < modifiers.length; ++i) { - _recordKey(modifiers[i]); - } - _recordKey(character); - - // once a key is released, all keys that were held down at the time - // count as a keypress - } else if (e.type == 'keyup' && _currentRecordedKeys.length > 0) { - _recordCurrentCombo(); - } - } - - /** - * marks a character key as held down while recording a sequence - * - * @param {string} key - * @returns void - */ - function _recordKey(key) { - var i; - - // one-off implementation of Array.indexOf, since IE6-9 don't support it - for (i = 0; i < _currentRecordedKeys.length; ++i) { - if (_currentRecordedKeys[i] === key) { - return; - } - } - - _currentRecordedKeys.push(key); - - if (key.length === 1) { - _recordedCharacterKey = true; - } - } - - /** - * marks whatever key combination that's been recorded so far as finished - * and gets ready for the next combo - * - * @returns void - */ - function _recordCurrentCombo() { - _recordedSequence.push(_currentRecordedKeys); - _currentRecordedKeys = []; - _recordedCharacterKey = false; - _restartRecordTimer(); - } - - /** - * ensures each combo in a sequence is in a predictable order and formats - * key combos to be '+'-delimited - * - * modifies the sequence in-place - * - * @param {Array} sequence - * @returns void - */ - function _normalizeSequence(sequence) { - var i; - - for (i = 0; i < sequence.length; ++i) { - sequence[i].sort(function(x, y) { - // modifier keys always come first, in alphabetical order - if (x.length > 1 && y.length === 1) { - return -1; - } else if (x.length === 1 && y.length > 1) { - return 1; - } - - // character keys come next (list should contain no duplicates, - // so no need for equality check) - return x > y ? 1 : -1; - }); - - sequence[i] = sequence[i].join('+'); - } - } - - /** - * finishes the current recording, passes the recorded sequence to the stored - * callback, and sets Mousetrap.handleKey back to its original function - * - * @returns void - */ - function _finishRecording() { - if (_recordedSequenceCallback) { - _normalizeSequence(_recordedSequence); - _recordedSequenceCallback(_recordedSequence); - } - - // reset all recorded state - _recordedSequence = []; - _recordedSequenceCallback = null; - _currentRecordedKeys = []; - - Mousetrap.handleKey = _origHandleKey; - } - - /** - * called to set a 1 second timeout on the current recording - * - * this is so after each key press in the sequence the recording will wait for - * 1 more second before executing the callback - * - * @returns void - */ - function _restartRecordTimer() { - clearTimeout(_recordTimer); - _recordTimer = setTimeout(_finishRecording, 1000); - } - - /** - * records the next sequence and passes it to a callback once it's - * completed - * - * @param {Function} callback - * @returns void - */ - Mousetrap.record = function(callback) { - Mousetrap.handleKey = _handleKey; - _recordedSequenceCallback = callback; - }; - -})(Mousetrap); |