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<!DOCTYPE html>
<html>
<meta charset=utf-8>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=655877
-->
<head>
  <title>Test for Bug 655877</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=655877">Mozilla Bug 655877</a>
<p id="display"></p>
<div id="content" style="display: none"></div>

<iframe src="text-helper-selection.svg" width="400" height="300"></iframe>

<pre id="test">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();

var svg, doc, win, text, dragstart, dragend;

function drag(fromX, fromY, toX, toY, show)
{
  synthesizeMouse(doc.documentElement, fromX, fromY, { type: "mousemove" }, win);
  synthesizeMouse(doc.documentElement, fromX, fromY, { type: "mousedown" }, win);
  synthesizeMouse(doc.documentElement, toX, toY, { type: "mousemove" }, win);
  synthesizeMouse(doc.documentElement, toX, toY, { type: "mouseup" }, win);

  if (show) {
    dragstart.setAttribute("cx", fromX);
    dragstart.setAttribute("cy", fromY);
    dragstart.setAttribute("r", "4");
    dragend.setAttribute("cx", toX);
    dragend.setAttribute("cy", toY);
    dragend.setAttribute("r", "4");
  }
}

function click(x, y)
{
  synthesizeMouse(doc.documentElement, x, y, { type: "mousemove" }, win);
  synthesizeMouse(doc.documentElement, x, y, { type: "mousedown" }, win);
  synthesizeMouse(doc.documentElement, x, y, { type: "mouseup" }, win);
}

function selection_is(s, text)
{
  is(win.getSelection().toString(), s, text);
}

function deselect()
{
  // Click outside text to deselect.
  click(1, 1);
  selection_is("", "deselecting by clicking outside text");
}

function testSelection()
{
  svg = document.getElementsByTagName("iframe")[0];
  doc = svg.contentDocument;
  win = svg.contentWindow;
  dragstart = doc.getElementById("dragstart");
  dragend = doc.getElementById("dragend");

  var text = doc.getElementsByTagName("text");

  // Drag to select the entire text element.
  drag(101, 50, 99 + text[0].getComputedTextLength(), 50);
  selection_is("hello there", "selecting entire simple text");

  // Click within the text to deselect.
  click(101, 50);
  selection_is("", "deselecting by clicking on text");

  // Drag to select part of a text element.
  drag(101, 50, 99 + text[0].getSubStringLength(0, 5), 50);
  selection_is("hello", "selecting part of simple text");
  deselect();

  // Drag from left of the text to the right of the text to select it.
  drag(90, 50, 110 + text[0].getComputedTextLength(), 50);
  selection_is("hello there", "selecting entire simple text by dragging around it");
  deselect();

  // Drag above the text to select part of it.
  var bbox1 = text[0].getBBox();
  drag(101 + text[0].getSubStringLength(0, 6), bbox1.y - 10, 101 + text[0].getSubStringLength(0, 9), bbox1.y - 10);
  selection_is("the", "selecting part of simple text by dragging above it");
  deselect();

  // Drag between the first and second texts, but closer to the first.
  var bbox2 = text[1].getBBox();
  var mid = (bbox1.y + bbox1.height + bbox2.y) / 2;
  drag(101, mid - 10, 99 + text[0].getSubStringLength(0, 2), mid - 10);
  selection_is("he", "selecting closer text above");
  deselect();

  // Drag between the first and second texts, but closer to the second.
  drag(101, mid + 10, 99 + text[1].getSubStringLength(0, 2), mid + 10);
  selection_is("to", "selecting closer text below");
  deselect();

  // Drag starting in the first text and ending in the second.
  drag(101 + text[0].getSubStringLength(0, 6), 50, 99 + text[1].getSubStringLength(0, 2), 100);
  selection_is("there to", "selecting from first to second text");
  deselect();

  // Select across positioned glyphs.
  drag(99 + text[2].getSubStringLength(3, 1), 150, 201, 150);
  selection_is("abcd", "selecting across positioned glyphs");
  deselect();

  // Select bidi text, from the left of the "א" to the left of the "b".
  drag(text[3].getExtentOfChar(0).x + 1, 200, text[3].getExtentOfChar(4).x + 1, 200);
  selection_is("בגa", "selecting bidi text");
  deselect();

  // Select transformed text.
  drag(101, 250, 99 + text[4].getSubStringLength(0, 6) / 2, 250);
  selection_is("squash");
  deselect();

  SimpleTest.finish();
}

function runTest()
{
  SimpleTest.executeSoon(testSelection);
}

if (/Android/.test(navigator.userAgent)) {
  ok(true, "No need to test text selection with the mouse on Android.");
  SimpleTest.finish();
} else {
  window.addEventListener("load", runTest, false);
}
</script>
</pre>
</body>
</html>