123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551 |
- goog.provide('goog.events.KeyEvent');
- goog.provide('goog.events.KeyHandler');
- goog.provide('goog.events.KeyHandler.EventType');
- goog.require('goog.events');
- goog.require('goog.events.BrowserEvent');
- goog.require('goog.events.EventTarget');
- goog.require('goog.events.EventType');
- goog.require('goog.events.KeyCodes');
- goog.require('goog.userAgent');
- goog.events.KeyHandler = function(opt_element, opt_capture) {
- goog.events.EventTarget.call(this);
- if (opt_element) {
- this.attach(opt_element, opt_capture);
- }
- };
- goog.inherits(goog.events.KeyHandler, goog.events.EventTarget);
- goog.events.KeyHandler.prototype.element_ = null;
- goog.events.KeyHandler.prototype.keyPressKey_ = null;
- goog.events.KeyHandler.prototype.keyDownKey_ = null;
- goog.events.KeyHandler.prototype.keyUpKey_ = null;
- goog.events.KeyHandler.prototype.lastKey_ = -1;
- goog.events.KeyHandler.prototype.keyCode_ = -1;
- goog.events.KeyHandler.prototype.altKey_ = false;
- goog.events.KeyHandler.EventType = {
- KEY: 'key'
- };
- goog.events.KeyHandler.safariKey_ = {
- '3': goog.events.KeyCodes.ENTER,
- '12': goog.events.KeyCodes.NUMLOCK,
- '63232': goog.events.KeyCodes.UP,
- '63233': goog.events.KeyCodes.DOWN,
- '63234': goog.events.KeyCodes.LEFT,
- '63235': goog.events.KeyCodes.RIGHT,
- '63236': goog.events.KeyCodes.F1,
- '63237': goog.events.KeyCodes.F2,
- '63238': goog.events.KeyCodes.F3,
- '63239': goog.events.KeyCodes.F4,
- '63240': goog.events.KeyCodes.F5,
- '63241': goog.events.KeyCodes.F6,
- '63242': goog.events.KeyCodes.F7,
- '63243': goog.events.KeyCodes.F8,
- '63244': goog.events.KeyCodes.F9,
- '63245': goog.events.KeyCodes.F10,
- '63246': goog.events.KeyCodes.F11,
- '63247': goog.events.KeyCodes.F12,
- '63248': goog.events.KeyCodes.PRINT_SCREEN,
- '63272': goog.events.KeyCodes.DELETE,
- '63273': goog.events.KeyCodes.HOME,
- '63275': goog.events.KeyCodes.END,
- '63276': goog.events.KeyCodes.PAGE_UP,
- '63277': goog.events.KeyCodes.PAGE_DOWN,
- '63289': goog.events.KeyCodes.NUMLOCK,
- '63302': goog.events.KeyCodes.INSERT
- };
- goog.events.KeyHandler.keyIdentifier_ = {
- 'Up': goog.events.KeyCodes.UP,
- 'Down': goog.events.KeyCodes.DOWN,
- 'Left': goog.events.KeyCodes.LEFT,
- 'Right': goog.events.KeyCodes.RIGHT,
- 'Enter': goog.events.KeyCodes.ENTER,
- 'F1': goog.events.KeyCodes.F1,
- 'F2': goog.events.KeyCodes.F2,
- 'F3': goog.events.KeyCodes.F3,
- 'F4': goog.events.KeyCodes.F4,
- 'F5': goog.events.KeyCodes.F5,
- 'F6': goog.events.KeyCodes.F6,
- 'F7': goog.events.KeyCodes.F7,
- 'F8': goog.events.KeyCodes.F8,
- 'F9': goog.events.KeyCodes.F9,
- 'F10': goog.events.KeyCodes.F10,
- 'F11': goog.events.KeyCodes.F11,
- 'F12': goog.events.KeyCodes.F12,
- 'U+007F': goog.events.KeyCodes.DELETE,
- 'Home': goog.events.KeyCodes.HOME,
- 'End': goog.events.KeyCodes.END,
- 'PageUp': goog.events.KeyCodes.PAGE_UP,
- 'PageDown': goog.events.KeyCodes.PAGE_DOWN,
- 'Insert': goog.events.KeyCodes.INSERT
- };
- goog.events.KeyHandler.USES_KEYDOWN_ = goog.userAgent.IE ||
- goog.userAgent.EDGE ||
- goog.userAgent.WEBKIT && goog.userAgent.isVersionOrHigher('525');
- goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_ =
- goog.userAgent.MAC && goog.userAgent.GECKO;
- goog.events.KeyHandler.prototype.handleKeyDown_ = function(e) {
-
-
-
- if (goog.userAgent.WEBKIT || goog.userAgent.EDGE) {
- if (this.lastKey_ == goog.events.KeyCodes.CTRL && !e.ctrlKey ||
- this.lastKey_ == goog.events.KeyCodes.ALT && !e.altKey ||
- goog.userAgent.MAC && this.lastKey_ == goog.events.KeyCodes.META &&
- !e.metaKey) {
- this.resetState();
- }
- }
- if (this.lastKey_ == -1) {
- if (e.ctrlKey && e.keyCode != goog.events.KeyCodes.CTRL) {
- this.lastKey_ = goog.events.KeyCodes.CTRL;
- } else if (e.altKey && e.keyCode != goog.events.KeyCodes.ALT) {
- this.lastKey_ = goog.events.KeyCodes.ALT;
- } else if (e.metaKey && e.keyCode != goog.events.KeyCodes.META) {
- this.lastKey_ = goog.events.KeyCodes.META;
- }
- }
- if (goog.events.KeyHandler.USES_KEYDOWN_ &&
- !goog.events.KeyCodes.firesKeyPressEvent(
- e.keyCode, this.lastKey_, e.shiftKey, e.ctrlKey, e.altKey,
- e.metaKey)) {
- this.handleEvent(e);
- } else {
- this.keyCode_ = goog.events.KeyCodes.normalizeKeyCode(e.keyCode);
- if (goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_) {
- this.altKey_ = e.altKey;
- }
- }
- };
- goog.events.KeyHandler.prototype.resetState = function() {
- this.lastKey_ = -1;
- this.keyCode_ = -1;
- };
- goog.events.KeyHandler.prototype.handleKeyup_ = function(e) {
- this.resetState();
- this.altKey_ = e.altKey;
- };
- goog.events.KeyHandler.prototype.handleEvent = function(e) {
- var be = e.getBrowserEvent();
- var keyCode, charCode;
- var altKey = be.altKey;
-
-
- if (goog.userAgent.IE && e.type == goog.events.EventType.KEYPRESS) {
- keyCode = this.keyCode_;
- charCode = keyCode != goog.events.KeyCodes.ENTER &&
- keyCode != goog.events.KeyCodes.ESC ?
- be.keyCode :
- 0;
-
-
- } else if (
- (goog.userAgent.WEBKIT || goog.userAgent.EDGE) &&
- e.type == goog.events.EventType.KEYPRESS) {
- keyCode = this.keyCode_;
- charCode = be.charCode >= 0 && be.charCode < 63232 &&
- goog.events.KeyCodes.isCharacterKey(keyCode) ?
- be.charCode :
- 0;
-
- } else if (goog.userAgent.OPERA && !goog.userAgent.WEBKIT) {
- keyCode = this.keyCode_;
- charCode = goog.events.KeyCodes.isCharacterKey(keyCode) ? be.keyCode : 0;
-
- } else {
- keyCode = be.keyCode || this.keyCode_;
- charCode = be.charCode || 0;
- if (goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_) {
- altKey = this.altKey_;
- }
-
-
- if (goog.userAgent.MAC && charCode == goog.events.KeyCodes.QUESTION_MARK &&
- keyCode == goog.events.KeyCodes.WIN_KEY) {
- keyCode = goog.events.KeyCodes.SLASH;
- }
- }
- keyCode = goog.events.KeyCodes.normalizeKeyCode(keyCode);
- var key = keyCode;
-
- if (keyCode) {
- if (keyCode >= 63232 && keyCode in goog.events.KeyHandler.safariKey_) {
-
-
- key = goog.events.KeyHandler.safariKey_[keyCode];
- } else {
-
- if (keyCode == 25 && e.shiftKey) {
- key = 9;
- }
- }
- } else if (
- be.keyIdentifier &&
- be.keyIdentifier in goog.events.KeyHandler.keyIdentifier_) {
-
-
- key = goog.events.KeyHandler.keyIdentifier_[be.keyIdentifier];
- }
-
-
- var repeat = key == this.lastKey_;
- this.lastKey_ = key;
- var event = new goog.events.KeyEvent(key, charCode, repeat, be);
- event.altKey = altKey;
- this.dispatchEvent(event);
- };
- goog.events.KeyHandler.prototype.getElement = function() {
- return this.element_;
- };
- goog.events.KeyHandler.prototype.attach = function(element, opt_capture) {
- if (this.keyUpKey_) {
- this.detach();
- }
- this.element_ = element;
- this.keyPressKey_ = goog.events.listen(
- this.element_, goog.events.EventType.KEYPRESS, this, opt_capture);
-
-
-
-
- this.keyDownKey_ = goog.events.listen(
- this.element_, goog.events.EventType.KEYDOWN, this.handleKeyDown_,
- opt_capture, this);
- this.keyUpKey_ = goog.events.listen(
- this.element_, goog.events.EventType.KEYUP, this.handleKeyup_,
- opt_capture, this);
- };
- goog.events.KeyHandler.prototype.detach = function() {
- if (this.keyPressKey_) {
- goog.events.unlistenByKey(this.keyPressKey_);
- goog.events.unlistenByKey(this.keyDownKey_);
- goog.events.unlistenByKey(this.keyUpKey_);
- this.keyPressKey_ = null;
- this.keyDownKey_ = null;
- this.keyUpKey_ = null;
- }
- this.element_ = null;
- this.lastKey_ = -1;
- this.keyCode_ = -1;
- };
- goog.events.KeyHandler.prototype.disposeInternal = function() {
- goog.events.KeyHandler.superClass_.disposeInternal.call(this);
- this.detach();
- };
- goog.events.KeyEvent = function(keyCode, charCode, repeat, browserEvent) {
- goog.events.BrowserEvent.call(this, browserEvent);
- this.type = goog.events.KeyHandler.EventType.KEY;
-
- this.keyCode = keyCode;
-
- this.charCode = charCode;
-
- this.repeat = repeat;
- };
- goog.inherits(goog.events.KeyEvent, goog.events.BrowserEvent);
|