1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/test/plugin_clipping_lib.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,163 @@
1.4 +var checkClipRegion, checkClipRegionForFrame, checkClipRegionNoBounds;
1.5 +
1.6 +(function() {
1.7 +var windowFrameX, windowFrameY;
1.8 +
1.9 +// Import test API
1.10 +var is = window.opener.is;
1.11 +var ok = window.opener.ok;
1.12 +var todo = window.opener.todo;
1.13 +var finish = window.opener.SimpleTest.finish;
1.14 +window.onerror = function (event) { window.opener.onerror(event); window.close(); };
1.15 +
1.16 +function dumpRect(r) {
1.17 + return "{" + r.join(",") + "}";
1.18 +}
1.19 +
1.20 +function dumpRegion(rects) {
1.21 + var s = [];
1.22 + for (var i = 0; i < rects.length; ++i) {
1.23 + var r = rects[i];
1.24 + s.push(dumpRect(r));
1.25 + }
1.26 + return s.join(", ");
1.27 +}
1.28 +
1.29 +function generateSpan(coords) {
1.30 + coords.sort(function(a,b) { return a - b; });
1.31 + var result = [coords[0]];
1.32 + for (var i = 1; i < coords.length; ++i) {
1.33 + if (coords[i] != coords[i - 1]) {
1.34 + result.push(coords[i]);
1.35 + }
1.36 + }
1.37 + return result;
1.38 +}
1.39 +
1.40 +function containsRect(r1, r2) {
1.41 + return r1[0] <= r2[0] && r1[2] >= r2[2] &&
1.42 + r1[1] <= r2[1] && r1[3] >= r2[3];
1.43 +}
1.44 +
1.45 +function subtractRect(r1, r2, rlist) {
1.46 + var spanX = generateSpan([r1[0], r1[2], r2[0], r2[2]]);
1.47 + var spanY = generateSpan([r1[1], r1[3], r2[1], r2[3]]);
1.48 + for (var i = 1; i < spanX.length; ++i) {
1.49 + for (var j = 1; j < spanY.length; ++j) {
1.50 + var subrect = [spanX[i - 1], spanY[j - 1], spanX[i], spanY[j]];
1.51 + if (containsRect(r1, subrect) && !containsRect(r2, subrect)) {
1.52 + rlist.push(subrect);
1.53 + }
1.54 + }
1.55 + }
1.56 +}
1.57 +
1.58 +function regionContainsRect(rs, r) {
1.59 + var rectList = [r];
1.60 + for (var i = 0; i < rs.length; ++i) {
1.61 + var newList = [];
1.62 + for (var j = 0; j < rectList.length; ++j) {
1.63 + subtractRect(rectList[j], rs[i], newList);
1.64 + }
1.65 + if (newList.length == 0)
1.66 + return true;
1.67 + rectList = newList;
1.68 + }
1.69 + return false;
1.70 +}
1.71 +
1.72 +function regionContains(r1s, r2s) {
1.73 + for (var i = 0; i < r2s.length; ++i) {
1.74 + if (!regionContainsRect(r1s, r2s[i]))
1.75 + return false;
1.76 + }
1.77 + return true;
1.78 +}
1.79 +
1.80 +function equalRegions(r1s, r2s) {
1.81 + return regionContains(r1s, r2s) && regionContains(r2s, r1s);
1.82 +}
1.83 +
1.84 +// Checks that a plugin's clip region equals the specified rectangle list.
1.85 +// The rectangles are given relative to the plugin's top-left. They are in
1.86 +// [left, top, right, bottom] format.
1.87 +function checkClipRegionWithDoc(doc, offsetX, offsetY, id, rects, checkBounds) {
1.88 + var p = doc.getElementById(id);
1.89 + var bounds = p.getBoundingClientRect();
1.90 + var pX = p.getEdge(0);
1.91 + var pY = p.getEdge(1);
1.92 +
1.93 + if (checkBounds) {
1.94 + var pWidth = p.getEdge(2) - pX;
1.95 + var pHeight = p.getEdge(3) - pY;
1.96 +
1.97 + is(pX, windowFrameX + bounds.left + offsetX, id + " plugin X");
1.98 + is(pY, windowFrameY + bounds.top + offsetY, id + " plugin Y");
1.99 + is(pWidth, bounds.width, id + " plugin width");
1.100 + is(pHeight, bounds.height, id + " plugin height");
1.101 + }
1.102 +
1.103 + // Now check clip region. 'rects' is relative to the plugin's top-left.
1.104 + var clipRects = [];
1.105 + var n = p.getClipRegionRectCount();
1.106 + for (var i = 0; i < n; ++i) {
1.107 + // Convert the clip rect to be relative to the plugin's top-left.
1.108 + clipRects[i] = [
1.109 + p.getClipRegionRectEdge(i, 0) - pX,
1.110 + p.getClipRegionRectEdge(i, 1) - pY,
1.111 + p.getClipRegionRectEdge(i, 2) - pX,
1.112 + p.getClipRegionRectEdge(i, 3) - pY
1.113 + ];
1.114 + }
1.115 +
1.116 + ok(equalRegions(clipRects, rects), "Matching regions for '" + id +
1.117 + "': expected " + dumpRegion(rects) + ", got " + dumpRegion(clipRects));
1.118 +}
1.119 +
1.120 +checkClipRegion = function checkClipRegion(id, rects) {
1.121 + checkClipRegionWithDoc(document, 0, 0, id, rects, true);
1.122 +}
1.123 +
1.124 +checkClipRegionForFrame = function checkClipRegionForFrame(fid, id, rects) {
1.125 + var f = document.getElementById(fid);
1.126 + var bounds = f.getBoundingClientRect();
1.127 + checkClipRegionWithDoc(f.contentDocument, bounds.left, bounds.top, id, rects, true);
1.128 +}
1.129 +
1.130 +checkClipRegionNoBounds = function checkClipRegionNoBounds(id, rects) {
1.131 + checkClipRegionWithDoc(document, 0, 0, id, rects, false);
1.132 +}
1.133 +
1.134 +function loaded() {
1.135 + var h1 = document.getElementById("h1");
1.136 + var h2 = document.getElementById("h2");
1.137 + var hwidth = h2.boxObject.screenX - h1.boxObject.screenX;
1.138 + if (hwidth != 100) {
1.139 + // Maybe it's a DPI issue
1.140 + todo(false, "Unexpected DPI?");
1.141 + finish();
1.142 + window.close();
1.143 + return;
1.144 + }
1.145 +
1.146 + if (!document.getElementById("p1").identifierToStringTest) {
1.147 + todo(false, "Test plugin not available");
1.148 + finish();
1.149 + window.close();
1.150 + return;
1.151 + }
1.152 +
1.153 + var bounds = h1.getBoundingClientRect();
1.154 + windowFrameX = h1.boxObject.screenX - bounds.left - window.screenX;
1.155 + windowFrameY = h1.boxObject.screenY - bounds.top - window.screenY;
1.156 +
1.157 + // Run actual test code
1.158 + runTests();
1.159 +}
1.160 +
1.161 +// Need to run 'loaded' after painting is unsuppressed, or we'll set clip
1.162 +// regions to empty. The timeout must be non-zero on X11 so that
1.163 +// gtk_container_idle_sizer runs after the GtkSocket gets the plug_window.
1.164 +window.addEventListener("load",
1.165 + function () { setTimeout(loaded, 1000); }, false);
1.166 +})();
