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comparison: dom/tests/browser/browser_focus_steal_from_chrome.js

dom/tests/browser/browser_focus_steal_from_chrome.js

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1 function test() {
2 waitForExplicitFinish();
3
4 let secMan = Components.classes["@mozilla.org/scriptsecuritymanager;1"]
5 .getService(Components.interfaces
6 .nsIScriptSecurityManager);
7
8 let fm = Components.classes["@mozilla.org/focus-manager;1"]
9 .getService(Components.interfaces.nsIFocusManager);
10
11 let tabs = [ gBrowser.addTab(), gBrowser.addTab() ];
12 gBrowser.selectedTab = tabs[0];
13
14 let testingList = [
15 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><input id='target'></body>",
16 tagName: "INPUT", methodName: "focus" },
17 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').select(); }, 10);\"><input id='target'></body>",
18 tagName: "INPUT", methodName: "select" },
19 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><a href='about:blank' id='target'>anchor</a></body>",
20 tagName: "A", methodName: "focus" },
21 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><button id='target'>button</button></body>",
22 tagName: "BUTTON", methodName: "focus" },
23 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><select id='target'><option>item1</option></select></body>",
24 tagName: "SELECT", methodName: "focus" },
25 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><textarea id='target'>textarea</textarea></body>",
26 tagName: "TEXTAREA", methodName: "focus" },
27 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').select(); }, 10);\"><textarea id='target'>textarea</textarea></body>",
28 tagName: "TEXTAREA", methodName: "select" },
29 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><label id='target'><input></label></body>",
30 tagName: "INPUT", methodName: "focus of label element" },
31 { uri: "data:text/html,<body onload=\"setTimeout(function () { document.getElementById('target').focus(); }, 10);\"><fieldset><legend id='target'>legend</legend><input></fieldset></body>",
32 tagName: "INPUT", methodName: "focus of legend element" },
33 { uri: "data:text/html,<body onload=\"setTimeout(function () {" +
34 " var element = document.getElementById('target');" +
35 " var event = document.createEvent('MouseEvent');" +
36 " event.initMouseEvent('click', true, true, window," +
37 " 1, 0, 0, 0, 0, false, false, false, false, 0, element);" +
38 " element.dispatchEvent(event); }, 10);\">" +
39 "<label id='target'><input></label></body>",
40 tagName: "INPUT", methodName: "click event on the label element" },
41 ];
42
43 if (navigator.platform.indexOf("Mac") == -1) {
44 // clicking buttons doesn't focus on mac, so skip this test
45 testingList.push(
46 { uri: "data:text/html,<body onload=\"setTimeout(function () {" +
47 " var element = document.getElementById('target');" +
48 " var event = document.createEvent('MouseEvent');" +
49 " event.initMouseEvent('mousedown', true, true, window," +
50 " 0, 0, 0, 0, 0, false, false, false, false, 0, element);" +
51 " element.dispatchEvent(event); }, 10);\">" +
52 "<button id='target'>button</button></body>",
53 tagName: "BUTTON", methodName: "mousedown event on the button element" });
54 }
55
56 let testingIndex = -1;
57 let canRetry;
58 let callback;
59 let loadedCount;
60 let setFocusToChrome;
61
62 function runNextTest() {
63 if (++testingIndex >= testingList.length) {
64 // cleaning-up...
65 for (let i = 0; i < tabs.length; i++) {
66 gBrowser.removeTab(tabs[i]);
67 }
68 finish();
69 return;
70 }
71 callback = doTest1;
72 loadTestPage(false);
73 }
74
75 function loadTestPage(aSetFocusToChrome) {
76 loadedCount = 0;
77 canRetry = 10;
78 setFocusToChrome = aSetFocusToChrome;
79 // Set the focus to the contents.
80 tabs[0].linkedBrowser.focus();
81 // Load on the tabs
82 tabs[0].linkedBrowser.addEventListener("load", onLoadForegroundTab, true);
83 tabs[0].linkedBrowser.loadURI(testingList[testingIndex].uri);
84 tabs[1].linkedBrowser.addEventListener("load", onLoadBackgroundTab, true);
85 tabs[1].linkedBrowser.loadURI(testingList[testingIndex].uri);
86 }
87
88 function onLoadForegroundTab() {
89 tabs[0].linkedBrowser.removeEventListener("load", onLoadForegroundTab, true);
90 if (setFocusToChrome) {
91 // Set focus to a chrome element before the loaded content tries to move
92 // focus.
93 document.getElementById("urlbar").focus();
94 }
95 onLoadComplete();
96 }
97
98 function onLoadBackgroundTab() {
99 tabs[1].linkedBrowser.removeEventListener("load", onLoadBackgroundTab, true);
100 onLoadComplete();
101 }
102
103 function onLoadComplete() {
104 if (++loadedCount == tabs.length) {
105 setTimeout(callback, 20);
106 }
107 }
108
109 function isPrepared() {
110 for (let i = 0; i < tabs.length; i++) {
111 if (tabs[i].linkedBrowser.contentDocument.activeElement.tagName !=
112 testingList[testingIndex].tagName) {
113 return false;
114 }
115 }
116 return true;
117 }
118
119 function doTest1() {
120 if (canRetry-- > 0 && !isPrepared()) {
121 setTimeout(callback, 10); // retry
122 return;
123 }
124
125 // The contents should be able to steal the focus from content.
126
127 // in foreground tab
128 let e = tabs[0].linkedBrowser.contentDocument.activeElement;
129 is(e.tagName, testingList[testingIndex].tagName,
130 "the foreground tab's " + testingList[testingIndex].tagName +
131 " element is not active by the " + testingList[testingIndex].methodName +
132 " (Test1: content can steal focus)");
133 is(fm.focusedElement, e,
134 "the " + testingList[testingIndex].tagName +
135 " element isn't focused by the " + testingList[testingIndex].methodName +
136 " (Test1: content can steal focus)");
137
138 // in background tab
139 e = tabs[1].linkedBrowser.contentDocument.activeElement;
140 is(e.tagName, testingList[testingIndex].tagName,
141 "the background tab's " + testingList[testingIndex].tagName +
142 " element is not active by the " + testingList[testingIndex].methodName +
143 " (Test1: content can steal focus)");
144 isnot(fm.focusedElement, e,
145 "the " + testingList[testingIndex].tagName +
146 " element is focused by the " + testingList[testingIndex].methodName +
147 " (Test1: content can steal focus)");
148
149 callback = doTest2;
150 loadTestPage(true);
151 }
152
153
154 function doTest2() {
155 if (canRetry-- > 0 && !isPrepared()) {
156 setTimeout(callback, 10); // retry
157 return;
158 }
159
160 // The contents shouldn't be able to steal the focus from chrome.
161
162 // in foreground tab
163 let e = tabs[0].linkedBrowser.contentDocument.activeElement;
164 is(e.tagName, testingList[testingIndex].tagName,
165 "the foreground tab's " + testingList[testingIndex].tagName +
166 " element is not active by the " + testingList[testingIndex].methodName +
167 " (Test2: content can NOT steal focus)");
168 isnot(fm.focusedElement, e,
169 "the " + testingList[testingIndex].tagName +
170 " element is focused by the " + testingList[testingIndex].methodName +
171 " (Test2: content can NOT steal focus)");
172
173 // in background tab
174 e = tabs[1].linkedBrowser.contentDocument.activeElement;
175 is(e.tagName, testingList[testingIndex].tagName,
176 "the background tab's " + testingList[testingIndex].tagName +
177 " element is not active by the " + testingList[testingIndex].methodName +
178 " (Test2: content can NOT steal focus)");
179 isnot(fm.focusedElement, e,
180 "the " + testingList[testingIndex].tagName +
181 " element is focused by the " + testingList[testingIndex].methodName +
182 " (Test2: content can NOT steal focus)");
183
184 runNextTest();
185 }
186
187 runNextTest();
188 }

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