Bug 1214878 - add tests. r=roc

dom/plugins/test/mochitest/browser.ini

@@ -2,6 +2,8 @@
 support-files =
   head.js
   plugin_test.html
+  plugin_subframe_test.html
+  plugin_no_scroll_div.html
 
 [browser_bug1163570.js]
 skip-if = (!e10s || os != "win")

dom/plugins/test/mochitest/browser_pluginscroll.js

@@ -40,7 +40,7 @@ add_task(function*() {
 });
 
 /*
- * test plugin visibility when scrolling with scroll wheel and apz.
+ * test plugin visibility when scrolling with scroll wheel and apz in a top level document.
  */
 
 add_task(function* () {
@@ -105,10 +105,74 @@ add_task(function* () {
 });
 
 /*
- * test visibility when scrolling with keyboard shortcuts. This circumvents apz
- * and relies on dom scroll, which is what we want to target for this test. Note
- * this test should only run with e10s since we do not hide plugin windows when
- * scrolling in single process mode.
+ * test plugin visibility when scrolling with scroll wheel and apz in a sub document.
+ */
+
+add_task(function* () {
+  let result;
+
+  if (!apzEnabled) {
+    ok(true, "nothing to test, need apz");
+    return;
+  }
+
+  if (!pluginHideEnabled) {
+    ok(true, "nothing to test, need gfx.e10s.hide-plugins-for-scroll");
+    return;
+  }
+
+  setTestPluginEnabledState(Ci.nsIPluginTag.STATE_ENABLED, "Test Plug-in");
+
+  let testTab = gBrowser.selectedTab;
+  let pluginTab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, gTestRoot + "plugin_subframe_test.html");
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return !!plugin;
+  });
+  is(result, true, "plugin is loaded");
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, true, "plugin is visible");
+
+  let nativeId = nativeVerticalWheelEventMsg();
+  let utils = SpecialPowers.getDOMWindowUtils(window);
+  let screenCoords = coordinatesRelativeToWindow(10, 10,
+                                                 gBrowser.selectedBrowser);
+  utils.sendNativeMouseScrollEvent(screenCoords.x, screenCoords.y,
+                                   nativeId, 0, -50, 0, 0, 0,
+                                   gBrowser.selectedBrowser);
+
+  yield waitScrollStart(gBrowser.selectedBrowser);
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, false, "plugin is hidden");
+
+  yield waitScrollFinish(gBrowser.selectedBrowser);
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, true, "plugin is visible");
+
+  gBrowser.removeTab(pluginTab);
+});
+
+/*
+ * test visibility when scrolling with keyboard shortcuts for a top level document.
+ * This circumvents apz and relies on dom scroll, which is what we want to target
+ * for this test.
  */
 
 add_task(function* () {
@@ -171,3 +235,68 @@ add_task(function* () {
 
   gBrowser.removeTab(pluginTab);
 });
+
+/*
+ * test visibility when scrolling with keyboard shortcuts for a sub document.
+ */
+
+add_task(function* () {
+  let result;
+
+  if (!pluginHideEnabled) {
+    ok(true, "nothing to test, need gfx.e10s.hide-plugins-for-scroll");
+    return;
+  }
+
+  setTestPluginEnabledState(Ci.nsIPluginTag.STATE_ENABLED, "Test Plug-in");
+
+  let testTab = gBrowser.selectedTab;
+  let pluginTab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, gTestRoot + "plugin_subframe_test.html");
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return !!plugin;
+  });
+  is(result, true, "plugin is loaded");
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, true, "plugin is visible");
+
+  EventUtils.synthesizeKey("VK_END", {});
+
+  yield waitScrollStart(gBrowser.selectedBrowser);
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, false, "plugin is hidden");
+
+  yield waitScrollFinish(gBrowser.selectedBrowser);
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, false, "plugin is hidden");
+
+  EventUtils.synthesizeKey("VK_HOME", {});
+
+  yield waitScrollFinish(gBrowser.selectedBrowser);
+
+  result = yield ContentTask.spawn(pluginTab.linkedBrowser, null, function*() {
+    let doc = content.document.getElementById("subframe").contentDocument;
+    let plugin = doc.getElementById("testplugin");
+    return XPCNativeWrapper.unwrap(plugin).nativeWidgetIsVisible();
+  });
+  is(result, true, "plugin is visible");
+
+  gBrowser.removeTab(pluginTab);
+});

dom/plugins/test/mochitest/plugin_no_scroll_div.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+</head>
+<body>
+  <embed id="testplugin" type="application/x-test" drawmode="solid" color="ff00ff00" wmode="window"
+         style="position:absolute; top:5px; left:5px; width:500px; height:250px">
+</body>
+</html>

dom/plugins/test/mochitest/plugin_subframe_test.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+</head>
+<body>
+  <iframe id="subframe" style="width:510px; height:260px;" src="plugin_no_scroll_div.html"></iframe>
+  <div style="display:block; height:3000px;"></div>
+</body>
+</html>