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-rw-r--r--layout/base/tests/selection-utils.js167
1 files changed, 167 insertions, 0 deletions
diff --git a/layout/base/tests/selection-utils.js b/layout/base/tests/selection-utils.js
new file mode 100644
index 0000000000..67db5139ca
--- /dev/null
+++ b/layout/base/tests/selection-utils.js
@@ -0,0 +1,167 @@
+// -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*-
+// vim: set ts=2 sw=2 et tw=78:
+function clearSelection(w) {
+ var sel = (w ? w : window).getSelection();
+ sel.removeAllRanges();
+}
+
+function getNode(e, index) {
+ if (!(typeof index === "number")) {
+ return index;
+ }
+ if (index >= 0) {
+ return e.childNodes[index];
+ }
+ while (++index != 0) {
+ e = e.parentNode;
+ }
+ return e;
+}
+
+function dragSelectPointsWithData() {
+ var event = arguments[0];
+ var e = arguments[1];
+ var x1 = arguments[2];
+ var y1 = arguments[3];
+ var x2 = arguments[4];
+ var y2 = arguments[5];
+ dir = x2 > x1 ? 1 : -1;
+ event.type = "mousedown";
+ synthesizeMouse(e, x1, y1, event);
+ event.type = "mousemove";
+ synthesizeMouse(e, x1 + dir, y1, event);
+ for (var i = 6; i < arguments.length; ++i) {
+ synthesizeMouse(e, arguments[i], y1, event);
+ }
+ synthesizeMouse(e, x2 - dir, y2, event);
+ event.type = "mouseup";
+ synthesizeMouse(e, x2, y2, event);
+}
+
+function dragSelectPoints() {
+ var args = Array.prototype.slice.call(arguments);
+ dragSelectPointsWithData.apply(this, [{}].concat(args));
+}
+
+function dragSelect() {
+ var args = Array.prototype.slice.call(arguments);
+ var e = args.shift();
+ var x1 = args.shift();
+ var x2 = args.shift();
+ dragSelectPointsWithData.apply(this, [{}, e, x1, 5, x2, 5].concat(args));
+}
+
+function accelDragSelect() {
+ var args = Array.prototype.slice.call(arguments);
+ var e = args.shift();
+ var x1 = args.shift();
+ var x2 = args.shift();
+ var y = args.length != 0 ? args.shift() : 5;
+ dragSelectPointsWithData.apply(
+ this,
+ [{ accelKey: true }, e, x1, y, x2, y].concat(args)
+ );
+}
+
+function shiftClick(e, x, y) {
+ function pos(p) {
+ return typeof p === "undefined" ? 5 : p;
+ }
+ synthesizeMouse(e, pos(x), pos(y), { shiftKey: true });
+}
+
+function keyRepeat(key, data, repeat) {
+ while (repeat-- > 0) {
+ synthesizeKey(key, data);
+ }
+}
+
+function keyRight(data) {
+ var repeat = arguments.length > 1 ? arguments[1] : 1;
+ keyRepeat("VK_RIGHT", data, repeat);
+}
+
+function keyLeft(data) {
+ var repeat = arguments.length > 1 ? arguments[1] : 1;
+ keyRepeat("VK_LEFT", data, repeat);
+}
+
+function shiftAccelClick(e, x, y) {
+ function pos(p) {
+ return typeof p === "undefined" ? 5 : p;
+ }
+ synthesizeMouse(e, pos(x), pos(y), { shiftKey: true, accelKey: true });
+}
+
+function accelClick(e, x, y) {
+ function pos(p) {
+ return typeof p === "undefined" ? 5 : p;
+ }
+ synthesizeMouse(e, pos(x), pos(y), { accelKey: true });
+}
+
+function addChildRanges(arr, e) {
+ var sel = window.getSelection();
+ for (i = 0; i < arr.length; ++i) {
+ var data = arr[i];
+ var r = new Range();
+ r.setStart(getNode(e, data[0]), data[1]);
+ r.setEnd(getNode(e, data[2]), data[3]);
+ sel.addRange(r);
+ }
+}
+
+function checkText(text, e) {
+ var sel = window.getSelection();
+ is(sel.toString(), text, e.id + ": selected text");
+}
+
+function checkRangeText(text, index) {
+ var r = window.getSelection().getRangeAt(index);
+ is(r.toString(), text, e.id + ": range[" + index + "].toString()");
+}
+
+function checkRangeCount(n, e) {
+ var sel = window.getSelection();
+ is(sel.rangeCount, n, e.id + ": Selection range count");
+}
+
+function checkRangePoints(i, expected, e) {
+ var sel = window.getSelection();
+ if (i >= sel.rangeCount) {
+ return;
+ }
+ var r = sel.getRangeAt(i);
+ is(r.startContainer, expected[0], e.id + ": range.startContainer");
+ is(r.startOffset, expected[1], e.id + ": range.startOffset");
+ is(r.endContainer, expected[2], e.id + ": range.endContainer");
+ is(r.endOffset, expected[3], e.id + ": range.endOffset");
+}
+
+function checkRange(i, expected, e) {
+ var sel = window.getSelection();
+ if (i >= sel.rangeCount) {
+ return;
+ }
+ var r = sel.getRangeAt(i);
+ is(
+ r.startContainer,
+ getNode(e, expected[0]),
+ e.id + ": range[" + i + "].startContainer"
+ );
+ is(r.startOffset, expected[1], e.id + ": range[" + i + "].startOffset");
+ is(
+ r.endContainer,
+ getNode(e, expected[2]),
+ e.id + ": range[" + i + "].endContainer"
+ );
+ is(r.endOffset, expected[3], e.id + ": range[" + i + "].endOffset");
+}
+
+function checkRanges(arr, e) {
+ checkRangeCount(arr.length, e);
+ for (i = 0; i < arr.length; ++i) {
+ var expected = arr[i];
+ checkRange(i, expected, e);
+ }
+}