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diff --git a/layout/xul/test/window_resizer_element.xhtml b/layout/xul/test/window_resizer_element.xhtml
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+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+ align="start">
+<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
+<script><![CDATA[
+var is = window.arguments[0].SimpleTest.is;
+window.onerror = window.arguments[0].onerror;
+
+const anchorPositions =
+ [ "before_start", "before_end", "after_start", "after_end",
+ "start_before", "start_after", "end_before", "end_after", "overlap", "screen"];
+var currentPosition;
+
+function testResizer(resizerid, noShrink, hResize, vResize, testid)
+{
+ var rect = document.getElementById(resizerid + "-container").getBoundingClientRect();
+ var resizer = document.getElementById(resizerid);
+ var resizerrect = resizer.getBoundingClientRect();
+
+ var originalX = resizerrect.left;
+ var originalY = resizerrect.top;
+
+ const scale = 20;
+ for (var mouseX = -1; mouseX <= 1; ++mouseX) {
+ for (var mouseY = -1; mouseY <= 1; ++mouseY) {
+ var expectedWidth = rect.width + hResize * mouseX * scale;
+ var expectedHeight = rect.height + vResize * mouseY * scale;
+
+ if (noShrink) {
+ if (mouseX == -1)
+ expectedWidth = rect.width;
+ if (mouseY == -1)
+ expectedHeight = rect.height;
+ }
+
+ synthesizeMouse(document.documentElement, originalX + 5, originalY + 5, { type:"mousedown" });
+ synthesizeMouse(document.documentElement, originalX + 5 + mouseX * scale,
+ originalY + 5 + mouseY * scale, { type:"mousemove" });
+
+ var newrect = document.getElementById(resizerid + "-container").getBoundingClientRect();
+ is(Math.round(newrect.width), Math.round(expectedWidth), "resize element " + resizerid +
+ " " + testid + " width moving " + mouseX + "," + mouseY + ",,," + hResize);
+ is(Math.round(newrect.height), Math.round(expectedHeight), "resize element " + resizerid +
+ " " + testid + " height moving " + mouseX + "," + mouseY);
+ // release
+ synthesizeMouse(document.documentElement, originalX + 5 + mouseX * scale,
+ originalY + 5 + mouseY * scale, { type:"mouseup" });
+ // return to the original size
+ synthesizeMouse(document.documentElement, originalX + 5 + mouseX * scale,
+ originalY + 5 + mouseY * scale, { type:"dblclick" });
+ var newrect = document.getElementById(resizerid + "-container").getBoundingClientRect();
+ is(Math.round(newrect.width), Math.round(rect.width), "resize element " + resizerid +
+ " " + testid + " doubleclicking to restore original size");
+ is(Math.round(newrect.height), Math.round(rect.height), "resize element " + resizerid +
+ " " + testid + " doubleclicking to restore original size");
+ }
+ }
+}
+
+function doTest() {
+ // first, check if a resizer with a element attribute set to an element that
+ // does not exist does not cause a problem
+ var resizer = document.getElementById("notfound");
+ synthesizeMouse(resizer, 5, 5, { type:"mousedown" });
+ synthesizeMouse(resizer, 10, 10, { type:"mousemove" });
+ synthesizeMouse(resizer, 5, 5, { type:"mouseup" });
+
+ testResizer("outside", true, 1, 1, "");
+ testResizer("html", true, 1, 1, "");
+ testResizer("inside", true, 1, 1, "");
+ testResizer("inside-large", false, 1, 1, "");
+ testResizer("inside-with-border", true, 1, 1, "");
+
+ document.getElementById("inside-popup-container").
+ openPopupAtScreen(Math.ceil(window.mozInnerScreenX) + 100, Math.ceil(window.mozInnerScreenY) + 100);
+}
+
+function popupShown(event)
+{
+ testResizer("inside-popup", false, 1, 1, "");
+ document.getElementById("inside-popup-container").id = "outside-popup-container";
+ testResizer("outside-popup", false, 1, 1, "");
+
+ var resizerrect = document.getElementById("inside-popup").getBoundingClientRect();
+ synthesizeMouse(document.documentElement, resizerrect.left + 5, resizerrect.top + 5, { type:"mousedown" });
+ synthesizeMouse(document.documentElement, resizerrect.left + 2000, resizerrect.top + 2000, { type:"mousemove" });
+
+ var isMac = (navigator.platform.includes("Mac"));
+ var popuprect = document.getElementById("outside-popup-container").getBoundingClientRect();
+ // subtract 3 due to space left for panel dropshadow
+ is(Math.ceil(window.mozInnerScreenX) + popuprect.right,
+ (isMac ? screen.availLeft + screen.availWidth : screen.left + screen.width) - 3, "resized to edge width");
+ is(Math.ceil(window.mozInnerScreenY) + popuprect.bottom,
+ (isMac ? screen.availTop + screen.availHeight : screen.top + screen.height) - 3, "resized to edge height");
+
+ resizerrect = document.getElementById("inside-popup").getBoundingClientRect();
+ synthesizeMouse(document.documentElement, resizerrect.left + 5, resizerrect.top + 5, { type:"mouseup" });
+
+ event.target.hidePopup();
+}
+
+function popupHidden()
+{
+ if (anchorPositions.length == 0) {
+ window.close();
+ window.arguments[0].SimpleTest.finish();
+ return;
+ }
+
+ currentPosition = anchorPositions.shift();
+ var anchor = document.getElementById("anchor");
+ var popup = document.getElementById("anchored-panel-container");
+
+ if (currentPosition == "screen")
+ popup.openPopupAtScreen(window.screenX + 100, window.screenY + 100);
+ else
+ popup.openPopup(anchor, currentPosition);
+}
+
+function anchoredPopupShown(event)
+{
+ var leftAllowed = (!currentPosition.includes("end_") && !currentPosition.includes("_start"));
+ var rightAllowed = (!currentPosition.includes("start_") && !currentPosition.includes("_end"));
+ var topAllowed = (!currentPosition.includes("after_") && !currentPosition.includes("_before"));
+ var bottomAllowed = (!currentPosition.includes("before_") && !currentPosition.includes("_after"));
+
+ if (currentPosition == "overlap") {
+ leftAllowed = topAllowed = false;
+ rightAllowed = bottomAllowed = true;
+ }
+
+ var resizerTypes = [ "topleft", "top", "topright", "left", "right",
+ "bottomleft", "bottom", "bottomright", "bottomend" ];
+ for (var r = 0; r < resizerTypes.length; r++) {
+ var resizerType = resizerTypes[r];
+ var horiz = 0, vert = 0;
+ if (leftAllowed && resizerType.includes("left")) horiz = -1;
+ else if (rightAllowed && (resizerType.includes("right") || resizerType == "bottomend")) horiz = 1;
+
+ if (topAllowed && resizerType.includes("top")) vert = -1;
+ else if (bottomAllowed && resizerType.includes("bottom")) vert = 1;
+
+ document.getElementById("anchored-panel").dir = resizerType;
+ testResizer("anchored-panel", false, horiz, vert, currentPosition + " " + resizerType);
+ }
+
+ event.target.hidePopup();
+}
+
+window.arguments[0].SimpleTest.waitForFocus(doTest, window);
+]]></script>
+
+<resizer id="outside" dir="bottomend" element="outside-container"/>
+<resizer id="notfound" dir="bottomend" element="nothing"/>
+<hbox id="outside-container">
+ <hbox minwidth="46" minheight="39"/>
+</hbox>
+<html:div id="html-container" xmlns:html="http://www.w3.org/1999/xhtml">
+ <html:button>One</html:button><html:br/>
+ <resizer id="html" dir="bottomend" element="_parent"/>
+</html:div>
+<hbox id="anchor" align="start" style="margin-left: 100px;">
+ <hbox id="inside-container" align="start">
+ <hbox minwidth="45" minheight="41"/>
+ <resizer id="inside" dir="bottomend" element="_parent"/>
+ </hbox>
+ <hbox id="inside-large-container" width="70" height="70" align="start">
+ <resizer id="inside-large" dir="bottomend" element="_parent"/>
+ </hbox>
+ <hbox id="inside-with-border-container" style="border: 5px solid red; padding: 2px; margin: 2px;" align="start">
+ <hbox minwidth="35" minheight="30"/>
+ <resizer id="inside-with-border" dir="bottomend" element="_parent"/>
+ </hbox>
+</hbox>
+
+<panel id="inside-popup-container" align="start" onpopupshown="popupShown(event)" onpopuphidden="popupHidden()">
+ <resizer id="inside-popup" dir="bottomend"/>
+ <hbox width="50" height="50" flex="1"/>
+</panel>
+<resizer id="outside-popup" dir="bottomend" element="outside-popup-container"/>
+
+<panel id="anchored-panel-container" align="start" onpopupshown="anchoredPopupShown(event)"
+ onpopuphidden="popupHidden()">
+ <hbox width="50" height="50" flex="1"/>
+ <resizer id="anchored-panel" width="20" height="20"/>
+</panel>
+
+</window>