86 lines
3.3 KiB
HTML
86 lines
3.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Tests the alwaysOnTop window feature for the Windows OS.
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-->
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<head>
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<meta charset="utf-8">
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<title>Test an alwaysOnTop window on Windows</title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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<script type="application/javascript">
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const {BrowserTestUtils} = ChromeUtils.importESModule(
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"resource://testing-common/BrowserTestUtils.sys.mjs"
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);
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const {ctypes} = ChromeUtils.importESModule(
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"resource://gre/modules/ctypes.sys.mjs"
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);
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function assertAlwaysOnTop(win, expected) {
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let docShell = win.docShell;
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let chromeFlags = docShell.treeOwner
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.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIAppWindow)
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.chromeFlags;
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let hasFlag = !!(chromeFlags & Ci.nsIWebBrowserChrome.CHROME_ALWAYS_ON_TOP);
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is(hasFlag, expected, "Window should have CHROME_ALWAYS_ON_TOP flag.");
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const hWND = Number(win.docShell.treeOwner.nsIBaseWindow.nativeHandle);
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const WS_EX_TOPMOST = 0x00000008;
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const GWL_EXSTYLE = -20;
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let lib = ctypes.open("user32.dll");
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// On 32-bit systems, the function we need to call is GetWindowLongW. On
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// 64-bit systems, the function is GetWindowLongPtrW. Interestingly,
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// the MSDN page[1] for GetWindowLongPtrW claims that calling it should work
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// on both 32-bit and 64-bit, but that didn't appear to be the case here
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// with local testing, hence the conditional.
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//
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// [1]: https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getwindowlongptrw
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let GetWindowFuncSymbol = Services.appinfo.is64Bit ? "GetWindowLongPtrW"
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: "GetWindowLongW";
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let GetWindowFunc = lib.declare(GetWindowFuncSymbol, ctypes.winapi_abi,
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ctypes.intptr_t, ctypes.uintptr_t,
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ctypes.int);
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let styles = GetWindowFunc(hWND, GWL_EXSTYLE);
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let isAlwaysOnTop = !!(styles & WS_EX_TOPMOST);
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is(isAlwaysOnTop, expected, "Window should be always on top.");
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lib.close();
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}
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if (Services.appinfo.OS != "WINNT") {
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ok(false, "This test is only designed to run on Windows.");
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} else {
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add_task(async function() {
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let normalWinOpened = BrowserTestUtils.domWindowOpenedAndLoaded();
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window.openDialog("about:blank",
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"_blank", "chrome,width=100,height=100,noopener", null);
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let normalWin = await normalWinOpened;
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ok(normalWin, "Normal window opened");
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assertAlwaysOnTop(normalWin, false);
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await BrowserTestUtils.closeWindow(normalWin);
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let alwaysOnTopWinOpened = BrowserTestUtils.domWindowOpenedAndLoaded();
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window.openDialog("about:blank",
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"_blank", "chrome,width=100,height=100,alwaysOnTop,noopener", null);
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let alwaysOnTopWin = await alwaysOnTopWinOpened;
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ok(alwaysOnTopWin, "AlwaysOnTop window opened");
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assertAlwaysOnTop(alwaysOnTopWin, true);
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await BrowserTestUtils.closeWindow(alwaysOnTopWin);
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});
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}
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</script>
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</head>
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<body>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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