The Tor Browser: comparison layout/generic/test/plugin_clipping_lib.js

comparison: layout/generic/test/plugin_clipping_lib.js

layout/generic/test/plugin_clipping_lib.js

changeset 0: 6474c204b198

equal deleted inserted replaced

--1:000000000000
+:66b80bc58281
+var checkClipRegion, checkClipRegionForFrame, checkClipRegionNoBounds;
+(function() {
+var windowFrameX, windowFrameY;
+// Import test API
+var is = window.opener.is;
+var ok = window.opener.ok;
+var todo = window.opener.todo;
+var finish = window.opener.SimpleTest.finish;
+window.onerror = function (event) { window.opener.onerror(event); window.close(); };
+function dumpRect(r) {
+return "{" + r.join(",") + "}";
+}
+function dumpRegion(rects) {
+var s = [];
+for (var i = 0; i < rects.length; ++i) {
+var r = rects[i];
+s.push(dumpRect(r));
+}
+return s.join(", ");
+}
+function generateSpan(coords) {
+coords.sort(function(a,b) { return a - b; });
+var result = [coords[0]];
+for (var i = 1; i < coords.length; ++i) {
+if (coords[i] != coords[i - 1]) {
+result.push(coords[i]);
+}
+}
+return result;
+}
+function containsRect(r1, r2) {
+return r1[0] <= r2[0] && r1[2] >= r2[2] &&
+r1[1] <= r2[1] && r1[3] >= r2[3];
+}
+function subtractRect(r1, r2, rlist) {
+var spanX = generateSpan([r1[0], r1[2], r2[0], r2[2]]);
+var spanY = generateSpan([r1[1], r1[3], r2[1], r2[3]]);
+for (var i = 1; i < spanX.length; ++i) {
+for (var j = 1; j < spanY.length; ++j) {
+var subrect = [spanX[i - 1], spanY[j - 1], spanX[i], spanY[j]];
+if (containsRect(r1, subrect) && !containsRect(r2, subrect)) {
+rlist.push(subrect);
+}
+}
+}
+}
+function regionContainsRect(rs, r) {
+var rectList = [r];
+for (var i = 0; i < rs.length; ++i) {
+var newList = [];
+for (var j = 0; j < rectList.length; ++j) {
+subtractRect(rectList[j], rs[i], newList);
+}
+if (newList.length == 0)
+return true;
+rectList = newList;
+}
+return false;
+}
+function regionContains(r1s, r2s) {
+for (var i = 0; i < r2s.length; ++i) {
+if (!regionContainsRect(r1s, r2s[i]))
+return false;
+}
+return true;
+}
+function equalRegions(r1s, r2s) {
+return regionContains(r1s, r2s) && regionContains(r2s, r1s);
+}
+// Checks that a plugin's clip region equals the specified rectangle list.
+// The rectangles are given relative to the plugin's top-left. They are in
+// [left, top, right, bottom] format.
+function checkClipRegionWithDoc(doc, offsetX, offsetY, id, rects, checkBounds) {
+var p = doc.getElementById(id);
+var bounds = p.getBoundingClientRect();
+var pX = p.getEdge(0);
+var pY = p.getEdge(1);
+if (checkBounds) {
+var pWidth = p.getEdge(2) - pX;
+var pHeight = p.getEdge(3) - pY;
+is(pX, windowFrameX + bounds.left + offsetX, id + " plugin X");
+is(pY, windowFrameY + bounds.top + offsetY, id + " plugin Y");
+is(pWidth, bounds.width, id + " plugin width");
+is(pHeight, bounds.height, id + " plugin height");
+}
+// Now check clip region. 'rects' is relative to the plugin's top-left.
+var clipRects = [];
+var n = p.getClipRegionRectCount();
+for (var i = 0; i < n; ++i) {
+// Convert the clip rect to be relative to the plugin's top-left.
+clipRects[i] = [
+p.getClipRegionRectEdge(i, 0) - pX,
+p.getClipRegionRectEdge(i, 1) - pY,
+p.getClipRegionRectEdge(i, 2) - pX,
+p.getClipRegionRectEdge(i, 3) - pY
+];
+}
+ok(equalRegions(clipRects, rects), "Matching regions for '" + id +
+"': expected " + dumpRegion(rects) + ", got " + dumpRegion(clipRects));
+}
+checkClipRegion = function checkClipRegion(id, rects) {
+checkClipRegionWithDoc(document, 0, 0, id, rects, true);
+}
+checkClipRegionForFrame = function checkClipRegionForFrame(fid, id, rects) {
+var f = document.getElementById(fid);
+var bounds = f.getBoundingClientRect();
+checkClipRegionWithDoc(f.contentDocument, bounds.left, bounds.top, id, rects, true);
+}
+checkClipRegionNoBounds = function checkClipRegionNoBounds(id, rects) {
+checkClipRegionWithDoc(document, 0, 0, id, rects, false);
+}
+function loaded() {
+var h1 = document.getElementById("h1");
+var h2 = document.getElementById("h2");
+var hwidth = h2.boxObject.screenX - h1.boxObject.screenX;
+if (hwidth != 100) {
+// Maybe it's a DPI issue
+todo(false, "Unexpected DPI?");
+finish();
+window.close();
+return;
+}
+if (!document.getElementById("p1").identifierToStringTest) {
+todo(false, "Test plugin not available");
+finish();
+window.close();
+return;
+}
+var bounds = h1.getBoundingClientRect();
+windowFrameX = h1.boxObject.screenX - bounds.left - window.screenX;
+windowFrameY = h1.boxObject.screenY - bounds.top - window.screenY;
+// Run actual test code
+runTests();
+}
+// Need to run 'loaded' after painting is unsuppressed, or we'll set clip
+// regions to empty.  The timeout must be non-zero on X11 so that
+// gtk_container_idle_sizer runs after the GtkSocket gets the plug_window.
+window.addEventListener("load",
+function () { setTimeout(loaded, 1000); }, false);
+})();