services/sync/tps/extensions/mozmill/resource/stdlib/EventUtils.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/services/sync/tps/extensions/mozmill/resource/stdlib/EventUtils.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,829 @@
     1.4 +// Export all available functions for Mozmill
     1.5 +var EXPORTED_SYMBOLS = ["disableNonTestMouseEvents","sendMouseEvent", "sendChar",
     1.6 +                        "sendString", "sendKey", "synthesizeMouse", "synthesizeTouch",
     1.7 +                        "synthesizeMouseAtPoint", "synthesizeTouchAtPoint",
     1.8 +                        "synthesizeMouseAtCenter", "synthesizeTouchAtCenter",
     1.9 +                        "synthesizeWheel", "synthesizeKey",
    1.10 +                        "synthesizeMouseExpectEvent", "synthesizeKeyExpectEvent",
    1.11 +                        "synthesizeText",
    1.12 +                        "synthesizeComposition", "synthesizeQuerySelectedText"];
    1.13 +
    1.14 +const Ci = Components.interfaces;
    1.15 +const Cc = Components.classes;
    1.16 +
    1.17 +var window = Cc["@mozilla.org/appshell/appShellService;1"]
    1.18 +             .getService(Ci.nsIAppShellService).hiddenDOMWindow;
    1.19 +
    1.20 +var _EU_Ci = Ci;
    1.21 +var navigator = window.navigator;
    1.22 +var KeyEvent = window.KeyEvent;
    1.23 +var parent = window.parent;
    1.24 +
    1.25 +function is(aExpression1, aExpression2, aMessage) {
    1.26 +  if (aExpression1 !== aExpression2) {
    1.27 +    throw new Error(aMessage);
    1.28 +  }
    1.29 +}
    1.30 +
    1.31 +/**
    1.32 + * EventUtils provides some utility methods for creating and sending DOM events.
    1.33 + * Current methods:
    1.34 + *  sendMouseEvent
    1.35 + *  sendChar
    1.36 + *  sendString
    1.37 + *  sendKey
    1.38 + *  synthesizeMouse
    1.39 + *  synthesizeMouseAtCenter
    1.40 + *  synthesizeWheel
    1.41 + *  synthesizeKey
    1.42 + *  synthesizeMouseExpectEvent
    1.43 + *  synthesizeKeyExpectEvent
    1.44 + *
    1.45 + *  When adding methods to this file, please add a performance test for it.
    1.46 + */
    1.47 +
    1.48 +/**
    1.49 + * Send a mouse event to the node aTarget (aTarget can be an id, or an
    1.50 + * actual node) . The "event" passed in to aEvent is just a JavaScript
    1.51 + * object with the properties set that the real mouse event object should
    1.52 + * have. This includes the type of the mouse event.
    1.53 + * E.g. to send an click event to the node with id 'node' you might do this:
    1.54 + *
    1.55 + * sendMouseEvent({type:'click'}, 'node');
    1.56 + */
    1.57 +function getElement(id) {
    1.58 +  return ((typeof(id) == "string") ?
    1.59 +    document.getElementById(id) : id); 
    1.60 +};   
    1.61 +
    1.62 +this.$ = this.getElement;
    1.63 +
    1.64 +function sendMouseEvent(aEvent, aTarget, aWindow) {
    1.65 +  if (['click', 'dblclick', 'mousedown', 'mouseup', 'mouseover', 'mouseout'].indexOf(aEvent.type) == -1) {
    1.66 +    throw new Error("sendMouseEvent doesn't know about event type '" + aEvent.type + "'");
    1.67 +  }
    1.68 +
    1.69 +  if (!aWindow) {
    1.70 +    aWindow = window;
    1.71 +  }
    1.72 +
    1.73 +  if (!(aTarget instanceof aWindow.Element)) {
    1.74 +    aTarget = aWindow.document.getElementById(aTarget);
    1.75 +  }
    1.76 +
    1.77 +  var event = aWindow.document.createEvent('MouseEvent');
    1.78 +
    1.79 +  var typeArg          = aEvent.type;
    1.80 +  var canBubbleArg     = true;
    1.81 +  var cancelableArg    = true;
    1.82 +  var viewArg          = aWindow;
    1.83 +  var detailArg        = aEvent.detail        || (aEvent.type == 'click'     ||
    1.84 +                                                  aEvent.type == 'mousedown' ||
    1.85 +                                                  aEvent.type == 'mouseup' ? 1 :
    1.86 +                                                  aEvent.type == 'dblclick'? 2 : 0);
    1.87 +  var screenXArg       = aEvent.screenX       || 0;
    1.88 +  var screenYArg       = aEvent.screenY       || 0;
    1.89 +  var clientXArg       = aEvent.clientX       || 0;
    1.90 +  var clientYArg       = aEvent.clientY       || 0;
    1.91 +  var ctrlKeyArg       = aEvent.ctrlKey       || false;
    1.92 +  var altKeyArg        = aEvent.altKey        || false;
    1.93 +  var shiftKeyArg      = aEvent.shiftKey      || false;
    1.94 +  var metaKeyArg       = aEvent.metaKey       || false;
    1.95 +  var buttonArg        = aEvent.button        || 0;
    1.96 +  var relatedTargetArg = aEvent.relatedTarget || null;
    1.97 +
    1.98 +  event.initMouseEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg,
    1.99 +                       screenXArg, screenYArg, clientXArg, clientYArg,
   1.100 +                       ctrlKeyArg, altKeyArg, shiftKeyArg, metaKeyArg,
   1.101 +                       buttonArg, relatedTargetArg);
   1.102 +
   1.103 +  SpecialPowers.dispatchEvent(aWindow, aTarget, event);
   1.104 +}
   1.105 +
   1.106 +/**
   1.107 + * Send the char aChar to the focused element.  This method handles casing of
   1.108 + * chars (sends the right charcode, and sends a shift key for uppercase chars).
   1.109 + * No other modifiers are handled at this point.
   1.110 + *
   1.111 + * For now this method only works for ASCII characters and emulates the shift
   1.112 + * key state on US keyboard layout.
   1.113 + */
   1.114 +function sendChar(aChar, aWindow) {
   1.115 +  var hasShift;
   1.116 +  // Emulate US keyboard layout for the shiftKey state.
   1.117 +  switch (aChar) {
   1.118 +    case "!":
   1.119 +    case "@":
   1.120 +    case "#":
   1.121 +    case "$":
   1.122 +    case "%":
   1.123 +    case "^":
   1.124 +    case "&":
   1.125 +    case "*":
   1.126 +    case "(":
   1.127 +    case ")":
   1.128 +    case "_":
   1.129 +    case "+":
   1.130 +    case "{":
   1.131 +    case "}":
   1.132 +    case ":":
   1.133 +    case "\"":
   1.134 +    case "|":
   1.135 +    case "<":
   1.136 +    case ">":
   1.137 +    case "?":
   1.138 +      hasShift = true;
   1.139 +      break;
   1.140 +    default:
   1.141 +      hasShift = (aChar == aChar.toUpperCase());
   1.142 +      break;
   1.143 +  }
   1.144 +  synthesizeKey(aChar, { shiftKey: hasShift }, aWindow);
   1.145 +}
   1.146 +
   1.147 +/**
   1.148 + * Send the string aStr to the focused element.
   1.149 + *
   1.150 + * For now this method only works for ASCII characters and emulates the shift
   1.151 + * key state on US keyboard layout.
   1.152 + */
   1.153 +function sendString(aStr, aWindow) {
   1.154 +  for (var i = 0; i < aStr.length; ++i) {
   1.155 +    sendChar(aStr.charAt(i), aWindow);
   1.156 +  }
   1.157 +}
   1.158 +
   1.159 +/**
   1.160 + * Send the non-character key aKey to the focused node.
   1.161 + * The name of the key should be the part that comes after "DOM_VK_" in the
   1.162 + *   KeyEvent constant name for this key.
   1.163 + * No modifiers are handled at this point.
   1.164 + */
   1.165 +function sendKey(aKey, aWindow) {
   1.166 +  var keyName = "VK_" + aKey.toUpperCase();
   1.167 +  synthesizeKey(keyName, { shiftKey: false }, aWindow);
   1.168 +}
   1.169 +
   1.170 +/**
   1.171 + * Parse the key modifier flags from aEvent. Used to share code between
   1.172 + * synthesizeMouse and synthesizeKey.
   1.173 + */
   1.174 +function _parseModifiers(aEvent)
   1.175 +{
   1.176 +  const nsIDOMWindowUtils = _EU_Ci.nsIDOMWindowUtils;
   1.177 +  var mval = 0;
   1.178 +  if (aEvent.shiftKey) {
   1.179 +    mval |= nsIDOMWindowUtils.MODIFIER_SHIFT;
   1.180 +  }
   1.181 +  if (aEvent.ctrlKey) {
   1.182 +    mval |= nsIDOMWindowUtils.MODIFIER_CONTROL;
   1.183 +  }
   1.184 +  if (aEvent.altKey) {
   1.185 +    mval |= nsIDOMWindowUtils.MODIFIER_ALT;
   1.186 +  }
   1.187 +  if (aEvent.metaKey) {
   1.188 +    mval |= nsIDOMWindowUtils.MODIFIER_META;
   1.189 +  }
   1.190 +  if (aEvent.accelKey) {
   1.191 +    mval |= (navigator.platform.indexOf("Mac") >= 0) ?
   1.192 +      nsIDOMWindowUtils.MODIFIER_META : nsIDOMWindowUtils.MODIFIER_CONTROL;
   1.193 +  }
   1.194 +  if (aEvent.altGrKey) {
   1.195 +    mval |= nsIDOMWindowUtils.MODIFIER_ALTGRAPH;
   1.196 +  }
   1.197 +  if (aEvent.capsLockKey) {
   1.198 +    mval |= nsIDOMWindowUtils.MODIFIER_CAPSLOCK;
   1.199 +  }
   1.200 +  if (aEvent.fnKey) {
   1.201 +    mval |= nsIDOMWindowUtils.MODIFIER_FN;
   1.202 +  }
   1.203 +  if (aEvent.numLockKey) {
   1.204 +    mval |= nsIDOMWindowUtils.MODIFIER_NUMLOCK;
   1.205 +  }
   1.206 +  if (aEvent.scrollLockKey) {
   1.207 +    mval |= nsIDOMWindowUtils.MODIFIER_SCROLLLOCK;
   1.208 +  }
   1.209 +  if (aEvent.symbolLockKey) {
   1.210 +    mval |= nsIDOMWindowUtils.MODIFIER_SYMBOLLOCK;
   1.211 +  }
   1.212 +  if (aEvent.osKey) {
   1.213 +    mval |= nsIDOMWindowUtils.MODIFIER_OS;
   1.214 +  }
   1.215 +
   1.216 +  return mval;
   1.217 +}
   1.218 +
   1.219 +/**
   1.220 + * Synthesize a mouse event on a target. The actual client point is determined
   1.221 + * by taking the aTarget's client box and offseting it by aOffsetX and
   1.222 + * aOffsetY. This allows mouse clicks to be simulated by calling this method.
   1.223 + *
   1.224 + * aEvent is an object which may contain the properties:
   1.225 + *   shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
   1.226 + *
   1.227 + * If the type is specified, an mouse event of that type is fired. Otherwise,
   1.228 + * a mousedown followed by a mouse up is performed.
   1.229 + *
   1.230 + * aWindow is optional, and defaults to the current window object.
   1.231 + *
   1.232 + * Returns whether the event had preventDefault() called on it.
   1.233 + */
   1.234 +function synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
   1.235 +{
   1.236 +  var rect = aTarget.getBoundingClientRect();
   1.237 +  return synthesizeMouseAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
   1.238 +       aEvent, aWindow);
   1.239 +}
   1.240 +function synthesizeTouch(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
   1.241 +{
   1.242 +  var rect = aTarget.getBoundingClientRect();
   1.243 +  synthesizeTouchAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
   1.244 +       aEvent, aWindow);
   1.245 +}
   1.246 +
   1.247 +/*
   1.248 + * Synthesize a mouse event at a particular point in aWindow.
   1.249 + *
   1.250 + * aEvent is an object which may contain the properties:
   1.251 + *   shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
   1.252 + *
   1.253 + * If the type is specified, an mouse event of that type is fired. Otherwise,
   1.254 + * a mousedown followed by a mouse up is performed.
   1.255 + *
   1.256 + * aWindow is optional, and defaults to the current window object.
   1.257 + */
   1.258 +function synthesizeMouseAtPoint(left, top, aEvent, aWindow)
   1.259 +{
   1.260 +  var utils = _getDOMWindowUtils(aWindow);
   1.261 +  var defaultPrevented = false;
   1.262 +
   1.263 +  if (utils) {
   1.264 +    var button = aEvent.button || 0;
   1.265 +    var clickCount = aEvent.clickCount || 1;
   1.266 +    var modifiers = _parseModifiers(aEvent);
   1.267 +    var pressure = ("pressure" in aEvent) ? aEvent.pressure : 0;
   1.268 +    var inputSource = ("inputSource" in aEvent) ? aEvent.inputSource : 0;
   1.269 +
   1.270 +    if (("type" in aEvent) && aEvent.type) {
   1.271 +      defaultPrevented = utils.sendMouseEvent(aEvent.type, left, top, button, clickCount, modifiers, false, pressure, inputSource);
   1.272 +    }
   1.273 +    else {
   1.274 +      utils.sendMouseEvent("mousedown", left, top, button, clickCount, modifiers, false, pressure, inputSource);
   1.275 +      utils.sendMouseEvent("mouseup", left, top, button, clickCount, modifiers, false, pressure, inputSource);
   1.276 +    }
   1.277 +  }
   1.278 +
   1.279 +  return defaultPrevented;
   1.280 +}
   1.281 +function synthesizeTouchAtPoint(left, top, aEvent, aWindow)
   1.282 +{
   1.283 +  var utils = _getDOMWindowUtils(aWindow);
   1.284 +
   1.285 +  if (utils) {
   1.286 +    var id = aEvent.id || 0;
   1.287 +    var rx = aEvent.rx || 1;
   1.288 +    var ry = aEvent.rx || 1;
   1.289 +    var angle = aEvent.angle || 0;
   1.290 +    var force = aEvent.force || 1;
   1.291 +    var modifiers = _parseModifiers(aEvent);
   1.292 +
   1.293 +    if (("type" in aEvent) && aEvent.type) {
   1.294 +      utils.sendTouchEvent(aEvent.type, [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
   1.295 +    }
   1.296 +    else {
   1.297 +      utils.sendTouchEvent("touchstart", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
   1.298 +      utils.sendTouchEvent("touchend", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
   1.299 +    }
   1.300 +  }
   1.301 +}
   1.302 +// Call synthesizeMouse with coordinates at the center of aTarget.
   1.303 +function synthesizeMouseAtCenter(aTarget, aEvent, aWindow)
   1.304 +{
   1.305 +  var rect = aTarget.getBoundingClientRect();
   1.306 +  synthesizeMouse(aTarget, rect.width / 2, rect.height / 2, aEvent,
   1.307 +                  aWindow);
   1.308 +}
   1.309 +function synthesizeTouchAtCenter(aTarget, aEvent, aWindow)
   1.310 +{
   1.311 +  var rect = aTarget.getBoundingClientRect();
   1.312 +  synthesizeTouch(aTarget, rect.width / 2, rect.height / 2, aEvent,
   1.313 +                  aWindow);
   1.314 +}
   1.315 +
   1.316 +/**
   1.317 + * Synthesize a wheel event on a target. The actual client point is determined
   1.318 + * by taking the aTarget's client box and offseting it by aOffsetX and
   1.319 + * aOffsetY.
   1.320 + *
   1.321 + * aEvent is an object which may contain the properties:
   1.322 + *   shiftKey, ctrlKey, altKey, metaKey, accessKey, deltaX, deltaY, deltaZ,
   1.323 + *   deltaMode, lineOrPageDeltaX, lineOrPageDeltaY, isMomentum, isPixelOnlyDevice,
   1.324 + *   isCustomizedByPrefs, expectedOverflowDeltaX, expectedOverflowDeltaY
   1.325 + *
   1.326 + * deltaMode must be defined, others are ok even if undefined.
   1.327 + *
   1.328 + * expectedOverflowDeltaX and expectedOverflowDeltaY take integer value.  The
   1.329 + * value is just checked as 0 or positive or negative.
   1.330 + *
   1.331 + * aWindow is optional, and defaults to the current window object.
   1.332 + */
   1.333 +function synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
   1.334 +{
   1.335 +  var utils = _getDOMWindowUtils(aWindow);
   1.336 +  if (!utils) {
   1.337 +    return;
   1.338 +  }
   1.339 +
   1.340 +  var modifiers = _parseModifiers(aEvent);
   1.341 +  var options = 0;
   1.342 +  if (aEvent.isPixelOnlyDevice &&
   1.343 +      (aEvent.deltaMode == WheelEvent.DOM_DELTA_PIXEL)) {
   1.344 +    options |= utils.WHEEL_EVENT_CAUSED_BY_PIXEL_ONLY_DEVICE;
   1.345 +  }
   1.346 +  if (aEvent.isMomentum) {
   1.347 +    options |= utils.WHEEL_EVENT_CAUSED_BY_MOMENTUM;
   1.348 +  }
   1.349 +  if (aEvent.isCustomizedByPrefs) {
   1.350 +    options |= utils.WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS;
   1.351 +  }
   1.352 +  if (typeof aEvent.expectedOverflowDeltaX !== "undefined") {
   1.353 +    if (aEvent.expectedOverflowDeltaX === 0) {
   1.354 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO;
   1.355 +    } else if (aEvent.expectedOverflowDeltaX > 0) {
   1.356 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE;
   1.357 +    } else {
   1.358 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE;
   1.359 +    }
   1.360 +  }
   1.361 +  if (typeof aEvent.expectedOverflowDeltaY !== "undefined") {
   1.362 +    if (aEvent.expectedOverflowDeltaY === 0) {
   1.363 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO;
   1.364 +    } else if (aEvent.expectedOverflowDeltaY > 0) {
   1.365 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE;
   1.366 +    } else {
   1.367 +      options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE;
   1.368 +    }
   1.369 +  }
   1.370 +  var isPixelOnlyDevice =
   1.371 +    aEvent.isPixelOnlyDevice && aEvent.deltaMode == WheelEvent.DOM_DELTA_PIXEL;
   1.372 +
   1.373 +  // Avoid the JS warnings "reference to undefined property"
   1.374 +  if (!aEvent.deltaX) {
   1.375 +    aEvent.deltaX = 0;
   1.376 +  }
   1.377 +  if (!aEvent.deltaY) {
   1.378 +    aEvent.deltaY = 0;
   1.379 +  }
   1.380 +  if (!aEvent.deltaZ) {
   1.381 +    aEvent.deltaZ = 0;
   1.382 +  }
   1.383 +
   1.384 +  var lineOrPageDeltaX =
   1.385 +    aEvent.lineOrPageDeltaX != null ? aEvent.lineOrPageDeltaX :
   1.386 +                  aEvent.deltaX > 0 ? Math.floor(aEvent.deltaX) :
   1.387 +                                      Math.ceil(aEvent.deltaX);
   1.388 +  var lineOrPageDeltaY =
   1.389 +    aEvent.lineOrPageDeltaY != null ? aEvent.lineOrPageDeltaY :
   1.390 +                  aEvent.deltaY > 0 ? Math.floor(aEvent.deltaY) :
   1.391 +                                      Math.ceil(aEvent.deltaY);
   1.392 +
   1.393 +  var rect = aTarget.getBoundingClientRect();
   1.394 +  utils.sendWheelEvent(rect.left + aOffsetX, rect.top + aOffsetY,
   1.395 +                       aEvent.deltaX, aEvent.deltaY, aEvent.deltaZ,
   1.396 +                       aEvent.deltaMode, modifiers,
   1.397 +                       lineOrPageDeltaX, lineOrPageDeltaY, options);
   1.398 +}
   1.399 +
   1.400 +function _computeKeyCodeFromChar(aChar)
   1.401 +{
   1.402 +  if (aChar.length != 1) {
   1.403 +    return 0;
   1.404 +  }
   1.405 +  const nsIDOMKeyEvent = _EU_Ci.nsIDOMKeyEvent;
   1.406 +  if (aChar >= 'a' && aChar <= 'z') {
   1.407 +    return nsIDOMKeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'a'.charCodeAt(0);
   1.408 +  }
   1.409 +  if (aChar >= 'A' && aChar <= 'Z') {
   1.410 +    return nsIDOMKeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'A'.charCodeAt(0);
   1.411 +  }
   1.412 +  if (aChar >= '0' && aChar <= '9') {
   1.413 +    return nsIDOMKeyEvent.DOM_VK_0 + aChar.charCodeAt(0) - '0'.charCodeAt(0);
   1.414 +  }
   1.415 +  // returns US keyboard layout's keycode
   1.416 +  switch (aChar) {
   1.417 +    case '~':
   1.418 +    case '`':
   1.419 +      return nsIDOMKeyEvent.DOM_VK_BACK_QUOTE;
   1.420 +    case '!':
   1.421 +      return nsIDOMKeyEvent.DOM_VK_1;
   1.422 +    case '@':
   1.423 +      return nsIDOMKeyEvent.DOM_VK_2;
   1.424 +    case '#':
   1.425 +      return nsIDOMKeyEvent.DOM_VK_3;
   1.426 +    case '$':
   1.427 +      return nsIDOMKeyEvent.DOM_VK_4;
   1.428 +    case '%':
   1.429 +      return nsIDOMKeyEvent.DOM_VK_5;
   1.430 +    case '^':
   1.431 +      return nsIDOMKeyEvent.DOM_VK_6;
   1.432 +    case '&':
   1.433 +      return nsIDOMKeyEvent.DOM_VK_7;
   1.434 +    case '*':
   1.435 +      return nsIDOMKeyEvent.DOM_VK_8;
   1.436 +    case '(':
   1.437 +      return nsIDOMKeyEvent.DOM_VK_9;
   1.438 +    case ')':
   1.439 +      return nsIDOMKeyEvent.DOM_VK_0;
   1.440 +    case '-':
   1.441 +    case '_':
   1.442 +      return nsIDOMKeyEvent.DOM_VK_SUBTRACT;
   1.443 +    case '+':
   1.444 +    case '=':
   1.445 +      return nsIDOMKeyEvent.DOM_VK_EQUALS;
   1.446 +    case '{':
   1.447 +    case '[':
   1.448 +      return nsIDOMKeyEvent.DOM_VK_OPEN_BRACKET;
   1.449 +    case '}':
   1.450 +    case ']':
   1.451 +      return nsIDOMKeyEvent.DOM_VK_CLOSE_BRACKET;
   1.452 +    case '|':
   1.453 +    case '\\':
   1.454 +      return nsIDOMKeyEvent.DOM_VK_BACK_SLASH;
   1.455 +    case ':':
   1.456 +    case ';':
   1.457 +      return nsIDOMKeyEvent.DOM_VK_SEMICOLON;
   1.458 +    case '\'':
   1.459 +    case '"':
   1.460 +      return nsIDOMKeyEvent.DOM_VK_QUOTE;
   1.461 +    case '<':
   1.462 +    case ',':
   1.463 +      return nsIDOMKeyEvent.DOM_VK_COMMA;
   1.464 +    case '>':
   1.465 +    case '.':
   1.466 +      return nsIDOMKeyEvent.DOM_VK_PERIOD;
   1.467 +    case '?':
   1.468 +    case '/':
   1.469 +      return nsIDOMKeyEvent.DOM_VK_SLASH;
   1.470 +    default:
   1.471 +      return 0;
   1.472 +  }
   1.473 +}
   1.474 +
   1.475 +/**
   1.476 + * isKeypressFiredKey() returns TRUE if the given key should cause keypress
   1.477 + * event when widget handles the native key event.  Otherwise, FALSE.
   1.478 + *
   1.479 + * aDOMKeyCode should be one of consts of nsIDOMKeyEvent::DOM_VK_*, or a key
   1.480 + * name begins with "VK_", or a character.
   1.481 + */
   1.482 +function isKeypressFiredKey(aDOMKeyCode)
   1.483 +{
   1.484 +  if (typeof(aDOMKeyCode) == "string") {
   1.485 +    if (aDOMKeyCode.indexOf("VK_") == 0) {
   1.486 +      aDOMKeyCode = KeyEvent["DOM_" + aDOMKeyCode];
   1.487 +      if (!aDOMKeyCode) {
   1.488 +        throw "Unknown key: " + aDOMKeyCode;
   1.489 +      }
   1.490 +    } else {
   1.491 +      // If the key generates a character, it must cause a keypress event.
   1.492 +      return true;
   1.493 +    }
   1.494 +  }
   1.495 +  switch (aDOMKeyCode) {
   1.496 +    case KeyEvent.DOM_VK_SHIFT:
   1.497 +    case KeyEvent.DOM_VK_CONTROL:
   1.498 +    case KeyEvent.DOM_VK_ALT:
   1.499 +    case KeyEvent.DOM_VK_CAPS_LOCK:
   1.500 +    case KeyEvent.DOM_VK_NUM_LOCK:
   1.501 +    case KeyEvent.DOM_VK_SCROLL_LOCK:
   1.502 +    case KeyEvent.DOM_VK_META:
   1.503 +      return false;
   1.504 +    default:
   1.505 +      return true;
   1.506 +  }
   1.507 +}
   1.508 +
   1.509 +/**
   1.510 + * Synthesize a key event. It is targeted at whatever would be targeted by an
   1.511 + * actual keypress by the user, typically the focused element.
   1.512 + *
   1.513 + * aKey should be either a character or a keycode starting with VK_ such as
   1.514 + * VK_ENTER.
   1.515 + *
   1.516 + * aEvent is an object which may contain the properties:
   1.517 + *   shiftKey, ctrlKey, altKey, metaKey, accessKey, type, location
   1.518 + *
   1.519 + * Sets one of KeyboardEvent.DOM_KEY_LOCATION_* to location.  Otherwise,
   1.520 + * DOMWindowUtils will choose good location from the keycode.
   1.521 + *
   1.522 + * If the type is specified, a key event of that type is fired. Otherwise,
   1.523 + * a keydown, a keypress and then a keyup event are fired in sequence.
   1.524 + *
   1.525 + * aWindow is optional, and defaults to the current window object.
   1.526 + */
   1.527 +function synthesizeKey(aKey, aEvent, aWindow)
   1.528 +{
   1.529 +  var utils = _getDOMWindowUtils(aWindow);
   1.530 +  if (utils) {
   1.531 +    var keyCode = 0, charCode = 0;
   1.532 +    if (aKey.indexOf("VK_") == 0) {
   1.533 +      keyCode = KeyEvent["DOM_" + aKey];
   1.534 +      if (!keyCode) {
   1.535 +        throw "Unknown key: " + aKey;
   1.536 +      }
   1.537 +    } else {
   1.538 +      charCode = aKey.charCodeAt(0);
   1.539 +      keyCode = _computeKeyCodeFromChar(aKey.charAt(0));
   1.540 +    }
   1.541 +
   1.542 +    var modifiers = _parseModifiers(aEvent);
   1.543 +    var flags = 0;
   1.544 +    if (aEvent.location != undefined) {
   1.545 +      switch (aEvent.location) {
   1.546 +        case KeyboardEvent.DOM_KEY_LOCATION_STANDARD:
   1.547 +          flags |= utils.KEY_FLAG_LOCATION_STANDARD;
   1.548 +          break;
   1.549 +        case KeyboardEvent.DOM_KEY_LOCATION_LEFT:
   1.550 +          flags |= utils.KEY_FLAG_LOCATION_LEFT;
   1.551 +          break;
   1.552 +        case KeyboardEvent.DOM_KEY_LOCATION_RIGHT:
   1.553 +          flags |= utils.KEY_FLAG_LOCATION_RIGHT;
   1.554 +          break;
   1.555 +        case KeyboardEvent.DOM_KEY_LOCATION_NUMPAD:
   1.556 +          flags |= utils.KEY_FLAG_LOCATION_NUMPAD;
   1.557 +          break;
   1.558 +        case KeyboardEvent.DOM_KEY_LOCATION_MOBILE:
   1.559 +          flags |= utils.KEY_FLAG_LOCATION_MOBILE;
   1.560 +          break;
   1.561 +        case KeyboardEvent.DOM_KEY_LOCATION_JOYSTICK:
   1.562 +          flags |= utils.KEY_FLAG_LOCATION_JOYSTICK;
   1.563 +          break;
   1.564 +      }
   1.565 +    }
   1.566 +
   1.567 +    if (!("type" in aEvent) || !aEvent.type) {
   1.568 +      // Send keydown + (optional) keypress + keyup events.
   1.569 +      var keyDownDefaultHappened =
   1.570 +        utils.sendKeyEvent("keydown", keyCode, 0, modifiers, flags);
   1.571 +      if (isKeypressFiredKey(keyCode)) {
   1.572 +        if (!keyDownDefaultHappened) {
   1.573 +          flags |= utils.KEY_FLAG_PREVENT_DEFAULT;
   1.574 +        }
   1.575 +        utils.sendKeyEvent("keypress", keyCode, charCode, modifiers, flags);
   1.576 +      }
   1.577 +      utils.sendKeyEvent("keyup", keyCode, 0, modifiers, flags);
   1.578 +    } else if (aEvent.type == "keypress") {
   1.579 +      // Send standalone keypress event.
   1.580 +      utils.sendKeyEvent(aEvent.type, keyCode, charCode, modifiers, flags);
   1.581 +    } else {
   1.582 +      // Send other standalone event than keypress.
   1.583 +      utils.sendKeyEvent(aEvent.type, keyCode, 0, modifiers, flags);
   1.584 +    }
   1.585 +  }
   1.586 +}
   1.587 +
   1.588 +var _gSeenEvent = false;
   1.589 +
   1.590 +/**
   1.591 + * Indicate that an event with an original target of aExpectedTarget and
   1.592 + * a type of aExpectedEvent is expected to be fired, or not expected to
   1.593 + * be fired.
   1.594 + */
   1.595 +function _expectEvent(aExpectedTarget, aExpectedEvent, aTestName)
   1.596 +{
   1.597 +  if (!aExpectedTarget || !aExpectedEvent)
   1.598 +    return null;
   1.599 +
   1.600 +  _gSeenEvent = false;
   1.601 +
   1.602 +  var type = (aExpectedEvent.charAt(0) == "!") ?
   1.603 +             aExpectedEvent.substring(1) : aExpectedEvent;
   1.604 +  var eventHandler = function(event) {
   1.605 +    var epassed = (!_gSeenEvent && event.originalTarget == aExpectedTarget &&
   1.606 +                   event.type == type);
   1.607 +    is(epassed, true, aTestName + " " + type + " event target " + (_gSeenEvent ? "twice" : ""));
   1.608 +    _gSeenEvent = true;
   1.609 +  };
   1.610 +
   1.611 +  aExpectedTarget.addEventListener(type, eventHandler, false);
   1.612 +  return eventHandler;
   1.613 +}
   1.614 +
   1.615 +/**
   1.616 + * Check if the event was fired or not. The event handler aEventHandler
   1.617 + * will be removed.
   1.618 + */
   1.619 +function _checkExpectedEvent(aExpectedTarget, aExpectedEvent, aEventHandler, aTestName)
   1.620 +{
   1.621 +  if (aEventHandler) {
   1.622 +    var expectEvent = (aExpectedEvent.charAt(0) != "!");
   1.623 +    var type = expectEvent ? aExpectedEvent : aExpectedEvent.substring(1);
   1.624 +    aExpectedTarget.removeEventListener(type, aEventHandler, false);
   1.625 +    var desc = type + " event";
   1.626 +    if (!expectEvent)
   1.627 +      desc += " not";
   1.628 +    is(_gSeenEvent, expectEvent, aTestName + " " + desc + " fired");
   1.629 +  }
   1.630 +
   1.631 +  _gSeenEvent = false;
   1.632 +}
   1.633 +
   1.634 +/**
   1.635 + * Similar to synthesizeMouse except that a test is performed to see if an
   1.636 + * event is fired at the right target as a result.
   1.637 + *
   1.638 + * aExpectedTarget - the expected originalTarget of the event.
   1.639 + * aExpectedEvent - the expected type of the event, such as 'select'.
   1.640 + * aTestName - the test name when outputing results
   1.641 + *
   1.642 + * To test that an event is not fired, use an expected type preceded by an
   1.643 + * exclamation mark, such as '!select'. This might be used to test that a
   1.644 + * click on a disabled element doesn't fire certain events for instance.
   1.645 + *
   1.646 + * aWindow is optional, and defaults to the current window object.
   1.647 + */
   1.648 +function synthesizeMouseExpectEvent(aTarget, aOffsetX, aOffsetY, aEvent,
   1.649 +                                    aExpectedTarget, aExpectedEvent, aTestName,
   1.650 +                                    aWindow)
   1.651 +{
   1.652 +  var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
   1.653 +  synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
   1.654 +  _checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
   1.655 +}
   1.656 +
   1.657 +/**
   1.658 + * Similar to synthesizeKey except that a test is performed to see if an
   1.659 + * event is fired at the right target as a result.
   1.660 + *
   1.661 + * aExpectedTarget - the expected originalTarget of the event.
   1.662 + * aExpectedEvent - the expected type of the event, such as 'select'.
   1.663 + * aTestName - the test name when outputing results
   1.664 + *
   1.665 + * To test that an event is not fired, use an expected type preceded by an
   1.666 + * exclamation mark, such as '!select'.
   1.667 + *
   1.668 + * aWindow is optional, and defaults to the current window object.
   1.669 + */
   1.670 +function synthesizeKeyExpectEvent(key, aEvent, aExpectedTarget, aExpectedEvent,
   1.671 +                                  aTestName, aWindow)
   1.672 +{
   1.673 +  var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
   1.674 +  synthesizeKey(key, aEvent, aWindow);
   1.675 +  _checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
   1.676 +}
   1.677 +
   1.678 +function disableNonTestMouseEvents(aDisable)
   1.679 +{
   1.680 +  var domutils = _getDOMWindowUtils();
   1.681 +  domutils.disableNonTestMouseEvents(aDisable);
   1.682 +}
   1.683 +
   1.684 +function _getDOMWindowUtils(aWindow)
   1.685 +{
   1.686 +  if (!aWindow) {
   1.687 +    aWindow = window;
   1.688 +  }
   1.689 +
   1.690 +  // we need parent.SpecialPowers for:
   1.691 +  //  layout/base/tests/test_reftests_with_caret.html
   1.692 +  //  chrome: toolkit/content/tests/chrome/test_findbar.xul
   1.693 +  //  chrome: toolkit/content/tests/chrome/test_popup_anchor.xul
   1.694 +  if ("SpecialPowers" in window && window.SpecialPowers != undefined) {
   1.695 +    return SpecialPowers.getDOMWindowUtils(aWindow);
   1.696 +  }
   1.697 +  if ("SpecialPowers" in parent && parent.SpecialPowers != undefined) {
   1.698 +    return parent.SpecialPowers.getDOMWindowUtils(aWindow);
   1.699 +  }
   1.700 +
   1.701 +  //TODO: this is assuming we are in chrome space
   1.702 +  return aWindow.QueryInterface(_EU_Ci.nsIInterfaceRequestor).
   1.703 +                               getInterface(_EU_Ci.nsIDOMWindowUtils);
   1.704 +}
   1.705 +
   1.706 +// Must be synchronized with nsIDOMWindowUtils.
   1.707 +const COMPOSITION_ATTR_RAWINPUT              = 0x02;
   1.708 +const COMPOSITION_ATTR_SELECTEDRAWTEXT       = 0x03;
   1.709 +const COMPOSITION_ATTR_CONVERTEDTEXT         = 0x04;
   1.710 +const COMPOSITION_ATTR_SELECTEDCONVERTEDTEXT = 0x05;
   1.711 +
   1.712 +/**
   1.713 + * Synthesize a composition event.
   1.714 + *
   1.715 + * @param aEvent               The composition event information.  This must
   1.716 + *                             have |type| member.  The value must be
   1.717 + *                             "compositionstart", "compositionend" or
   1.718 + *                             "compositionupdate".
   1.719 + *                             And also this may have |data| and |locale| which
   1.720 + *                             would be used for the value of each property of
   1.721 + *                             the composition event.  Note that the data would
   1.722 + *                             be ignored if the event type were
   1.723 + *                             "compositionstart".
   1.724 + * @param aWindow              Optional (If null, current |window| will be used)
   1.725 + */
   1.726 +function synthesizeComposition(aEvent, aWindow)
   1.727 +{
   1.728 +  var utils = _getDOMWindowUtils(aWindow);
   1.729 +  if (!utils) {
   1.730 +    return;
   1.731 +  }
   1.732 +
   1.733 +  utils.sendCompositionEvent(aEvent.type, aEvent.data ? aEvent.data : "",
   1.734 +                             aEvent.locale ? aEvent.locale : "");
   1.735 +}
   1.736 +/**
   1.737 + * Synthesize a text event.
   1.738 + *
   1.739 + * @param aEvent   The text event's information, this has |composition|
   1.740 + *                 and |caret| members.  |composition| has |string| and
   1.741 + *                 |clauses| members.  |clauses| must be array object.  Each
   1.742 + *                 object has |length| and |attr|.  And |caret| has |start| and
   1.743 + *                 |length|.  See the following tree image.
   1.744 + *
   1.745 + *                 aEvent
   1.746 + *                   +-- composition
   1.747 + *                   |     +-- string
   1.748 + *                   |     +-- clauses[]
   1.749 + *                   |           +-- length
   1.750 + *                   |           +-- attr
   1.751 + *                   +-- caret
   1.752 + *                         +-- start
   1.753 + *                         +-- length
   1.754 + *
   1.755 + *                 Set the composition string to |composition.string|.  Set its
   1.756 + *                 clauses information to the |clauses| array.
   1.757 + *
   1.758 + *                 When it's composing, set the each clauses' length to the
   1.759 + *                 |composition.clauses[n].length|.  The sum of the all length
   1.760 + *                 values must be same as the length of |composition.string|.
   1.761 + *                 Set nsIDOMWindowUtils.COMPOSITION_ATTR_* to the
   1.762 + *                 |composition.clauses[n].attr|.
   1.763 + *
   1.764 + *                 When it's not composing, set 0 to the
   1.765 + *                 |composition.clauses[0].length| and
   1.766 + *                 |composition.clauses[0].attr|.
   1.767 + *
   1.768 + *                 Set caret position to the |caret.start|. It's offset from
   1.769 + *                 the start of the composition string.  Set caret length to
   1.770 + *                 |caret.length|.  If it's larger than 0, it should be wide
   1.771 + *                 caret.  However, current nsEditor doesn't support wide
   1.772 + *                 caret, therefore, you should always set 0 now.
   1.773 + *
   1.774 + * @param aWindow  Optional (If null, current |window| will be used)
   1.775 + */
   1.776 +function synthesizeText(aEvent, aWindow)
   1.777 +{
   1.778 +  var utils = _getDOMWindowUtils(aWindow);
   1.779 +  if (!utils) {
   1.780 +    return;
   1.781 +  }
   1.782 +
   1.783 +  if (!aEvent.composition || !aEvent.composition.clauses ||
   1.784 +      !aEvent.composition.clauses[0]) {
   1.785 +    return;
   1.786 +  }
   1.787 +
   1.788 +  var firstClauseLength = aEvent.composition.clauses[0].length;
   1.789 +  var firstClauseAttr   = aEvent.composition.clauses[0].attr;
   1.790 +  var secondClauseLength = 0;
   1.791 +  var secondClauseAttr = 0;
   1.792 +  var thirdClauseLength = 0;
   1.793 +  var thirdClauseAttr = 0;
   1.794 +  if (aEvent.composition.clauses[1]) {
   1.795 +    secondClauseLength = aEvent.composition.clauses[1].length;
   1.796 +    secondClauseAttr   = aEvent.composition.clauses[1].attr;
   1.797 +    if (aEvent.composition.clauses[2]) {
   1.798 +      thirdClauseLength = aEvent.composition.clauses[2].length;
   1.799 +      thirdClauseAttr   = aEvent.composition.clauses[2].attr;
   1.800 +    }
   1.801 +  }
   1.802 +
   1.803 +  var caretStart = -1;
   1.804 +  var caretLength = 0;
   1.805 +  if (aEvent.caret) {
   1.806 +    caretStart = aEvent.caret.start;
   1.807 +    caretLength = aEvent.caret.length;
   1.808 +  }
   1.809 +
   1.810 +  utils.sendTextEvent(aEvent.composition.string,
   1.811 +                      firstClauseLength, firstClauseAttr,
   1.812 +                      secondClauseLength, secondClauseAttr,
   1.813 +                      thirdClauseLength, thirdClauseAttr,
   1.814 +                      caretStart, caretLength);
   1.815 +}
   1.816 +
   1.817 +/**
   1.818 + * Synthesize a query selected text event.
   1.819 + *
   1.820 + * @param aWindow  Optional (If null, current |window| will be used)
   1.821 + * @return         An nsIQueryContentEventResult object.  If this failed,
   1.822 + *                 the result might be null.
   1.823 + */
   1.824 +function synthesizeQuerySelectedText(aWindow)
   1.825 +{
   1.826 +  var utils = _getDOMWindowUtils(aWindow);
   1.827 +  if (!utils) {
   1.828 +    return null;
   1.829 +  }
   1.830 +
   1.831 +  return utils.sendQueryContentEvent(utils.QUERY_SELECTED_TEXT, 0, 0, 0, 0);
   1.832 +}

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