/usr/share/xul-ext/form-history-control/chrome/content/utils/FhcKeyBindings.js is in xul-ext-form-history-control 1.4.0.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FhcKeyBindings.
*
* The Initial Developer of the Original Code is Stephan Mahieu.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stephan Mahieu <stephanmahieu@yahoo.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/**
* Formhistory KeyBindings
*
* Key and mousebindings.
*
* Dependencies:
* FhcPreferenceHandler.
* StringBundle: formhistory.stringbundle.keys
*/
/**
* Constructor.
*
* @param aPrefHandler {FhcPreferenceHandler}
* the preference handler for reading the preferences
*
*/
function FhcKeyBindings(aPrefHandler) {
this.prefHandler = aPrefHandler;
this.stringBundle = document.getElementById('formhistory.stringbundle.keys');
}
//-------------------------------------------------------------
// FhcCleanupFilter
//-------------------------------------------------------------
FhcKeyBindings.prototype = {
/**
* Get the keybinding from preferences.
*/
getKeybinding: function(textboxId) {
var complexValue = this.prefHandler.getKeybindingValue(textboxId);
if (complexValue) {
var bindingItems = complexValue.data.split('+');
if (bindingItems.length > 0) {
// Last element is the key, remaining items are modifiers
var key = bindingItems.pop();
var keycode = '';
if (key.indexOf('VK') == 0) {
keycode = key;
key = null;
}
return this._createBinding(bindingItems, key, keycode);
}
}
return null;
},
/**
* Save keybinding to preferences.
*/
saveKeybinding: function(textboxId, keybinding) {
var stringData = '';
if (keybinding) {
stringData = keybinding.asString;
}
// Save shortcut as String in preferences
this.prefHandler.setKeybindingValue(textboxId, stringData);
},
/**
* Construct the keybinding from a key-event.
*/
recognizeKeys: function(event) {
var modifiers = [];
var key = '';
var keycode = '';
// Get modifiers:
if (event.altKey) modifiers.push('alt');
if (event.ctrlKey) modifiers.push('control');
if (event.metaKey) modifiers.push('meta');
if (event.shiftKey) modifiers.push('shift');
// Get the key or keycode:
if (event.charCode) {
key = String.fromCharCode(event.charCode).toUpperCase();
} else {
// Get keycode from keycodes list
keycode = this._getKeyCodes()[event.keyCode];
if (!keycode) {
return null;
}
}
// Shortcut may not be a single 'VK_TAB' (without modifiers)
// because this button is used to change focus
if (modifiers.length > 0 || keycode != 'VK_TAB') {
return this._createBinding(modifiers, key, keycode);
}
return null;
},
/**
* Convert the key-binding to a localized human readable format.
*/
getFormattedKeybinding: function(keybinding) {
var formattedKeybinding = '';
if (!keybinding) {
return formattedKeybinding;
}
// Modifiers
for (var i=0; i < keybinding.modifiers.length; i++) {
try {
formattedKeybinding += '<' + this._getKeyString(keybinding.modifiers[i]) + '> + ';
} catch(e) {
return '';
}
}
// Keys
if (keybinding.key) {
// Add key
if(keybinding.key == ' ') {
formattedKeybinding += '<' + this._getKeyString('VK_SPACE') + '>';
} else {
formattedKeybinding += keybinding.key;
}
} else if(keybinding.keycode) {
// Add keycode
try {
formattedKeybinding += '<' + this._getKeyString(keybinding.keycode) + '>';
} catch(e) {
formattedKeybinding += '<' + keybinding.keycode.replace('VK_', '') + '>';
}
}
return formattedKeybinding;
},
/**
* Update the main keyset with a keybinding.
*/
updateMainKeyset: function(id, bInvalidateCache) {
var cmdId;
switch(id) {
case "shortcutManager":
cmdId = "fhc_key_ShowFormHistoryControl";
break;
case "shortcutManageThis":
cmdId = "fhc_key_ManageThisField";
break;
case "shortcutDeleteValueThis":
cmdId = "fhc_key_DeleteValueThisField";
break;
case "shortcutDeleteThis":
cmdId = "fhc_key_DeleteEntriesThisField";
break;
case "shortcutFillMostRecent":
cmdId = "fhc_key_FillFormFieldsRecent";
break;
case "shortcutFillMostUsed":
cmdId = "fhc_key_FillFormFieldsUsed";
break;
case "shortcutClearFields":
cmdId = "fhc_key_ClearFilledFormFields";
break;
case "shortcutShowFormFields":
cmdId = "fhc_key_ShowFormFields";
break;
case "shortcutCleanupNow":
cmdId = "fhc_key_CleanupFormhistoryNow";
break;
case "shortcutSaveThisField":
cmdId = "fhc_key_SaveThisField";
break;
case "shortcutSaveThisPage":
cmdId = "fhc_key_SaveThisPage";
break;
}
if (cmdId) {
var keyNode = document.getElementById(cmdId);
var keybinding = this.getKeybinding(id);
if(keybinding && (keybinding.key || keybinding.keycode)) {
keyNode.setAttribute('modifiers', keybinding.modifiers);
if (keybinding.key) {
keyNode.setAttribute('key', keybinding.key);
keyNode.removeAttribute('keycode');
} else {
keyNode.setAttribute('keycode', keybinding.keycode);
keyNode.removeAttribute('key');
}
} else {
keyNode.setAttribute('modifiers', '');
keyNode.setAttribute('key', '');
keyNode.removeAttribute('keycode');
}
// Force browser to activate the new keybinding immediately
if (bInvalidateCache) {
var keySet = keyNode.parentNode;
var updatedKeySet = keySet.cloneNode(true);
keySet.parentNode.replaceChild(updatedKeySet, keySet);
}
}
},
_getKeyCodes: function() {
var keycodes = [];
// Get keycodes from the KeyEvent object
for (var property in KeyEvent) {
keycodes[KeyEvent[property]] = property.replace('DOM_','');
}
keycodes[8] = 'VK_BACK'; // VK_BACK_SPACE (index 8) must be VK_BACK
return keycodes;
},
_createBinding: function(modifiers, key, keycode) {
var binding = {
modifiers: modifiers ? modifiers : [],
key : key,
keycode : keycode,
asString : key + keycode
};
if (modifiers.length) {
binding.asString = modifiers.join('+') + '+' + binding.asString;
}
return binding;
},
_getKeyString: function(aKey) {
var value;
if (this.stringBundle == null) {
// no stringbundle defined in the xul
value = "<undefined stringBundle>";
} else {
value = this.stringBundle.getString(aKey);
}
return value;
}
}
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