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GUAC-862: Add reliability flag to KeyEvent.

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This commit is contained in:
Michael Jumper
2014-09-28 17:04:39 -07:00
parent aae59f6709
commit cf9ff2cb14
1 changed files with 19 additions and 0 deletions
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19
guacamole-common-js/src/main/webapp/modules/Keyboard.js
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@@ -97,6 +97,15 @@ Guacamole.Keyboard = function(element) {
*/ */
this.keysym = null; this.keysym = null;
/**
* Whether the keysym value of this key event is known to be reliable.
* If false, the keysym may still be valid, but it's only a best guess,
* and future key events may be a better source of information.
*
* @type Boolean
*/
this.reliable = false;
/** /**
* Returns the number of milliseconds elapsed since this event was * Returns the number of milliseconds elapsed since this event was
* received. * received.
@@ -169,6 +178,10 @@ Guacamole.Keyboard = function(element) {
this.keysym = keysym_from_key_identifier(key, location) this.keysym = keysym_from_key_identifier(key, location)
|| keysym_from_keycode(keyCode, location); || keysym_from_keycode(keyCode, location);
// DOM3 and keyCode are reliable sources
if (this.keysym)
this.reliable = true;
// We must use the (potentially buggy) keyIdentifier immediately if // We must use the (potentially buggy) keyIdentifier immediately if
// keypress will likely not fire, as we need to make a best effort // keypress will likely not fire, as we need to make a best effort
// to prevent default if requested // to prevent default if requested
@@ -212,6 +225,9 @@ Guacamole.Keyboard = function(element) {
// Pull keysym from char code // Pull keysym from char code
this.keysym = keysym_from_charcode(charCode); this.keysym = keysym_from_charcode(charCode);
// Keypress is always reliable
this.reliable = true;
}; };
KeypressEvent.prototype = new KeyEvent(); KeypressEvent.prototype = new KeyEvent();
@@ -276,6 +292,9 @@ Guacamole.Keyboard = function(element) {
|| keysym_from_keycode(keyCode, location) || keysym_from_keycode(keyCode, location)
|| recentKeysym[keyCode]; || recentKeysym[keyCode];
// Keyup is as reliable as it will ever be
this.reliable = true;
}; };
KeyupEvent.prototype = new KeyEvent(); KeyupEvent.prototype = new KeyEvent();