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