widget/tests/test_sizemode_events.xhtml

   1 <?xml version="1.0"?>
   2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
   3 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
   4                  type="text/css"?>
   5 <window title="Test for bug 715867"
   6   xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   7
   8   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js" />
   9
  10 <body  xmlns="http://www.w3.org/1999/xhtml">
  11 <p id="display"></p>
  12 <div id="content" style="display: none">
  13
  14 </div>
  15 <pre id="test">
  16 </pre>
  17 </body>
  18
  19 <script class="testbody">
  20 <![CDATA[
  21
  22 const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
  23
  24 let gWindow = null;
  25
  26 const kIsLinux = navigator.platform.includes("Lin");
  27 const kIsMacOS = navigator.platform.includes("Mac");
  28 // On Linux and macOS sizemode changes might be async.
  29 const kAsyncChanges = kIsLinux || kIsMacOS;
  30
  31 let gSizeModeDidChange = false;
  32 let gSizeModeDidChangeTo = 0;
  33
  34 function sizemodeChanged() {
  35   gSizeModeDidChange = true;
  36   gSizeModeDidChangeTo = gWindow.windowState;
  37 }
  38
  39 async function expectSizeModeChange(newMode, duringActionCallback) {
  40   gSizeModeDidChange = false;
  41
  42   let promise = null;
  43   if (kAsyncChanges) {
  44     if (newMode) {
  45       promise = new Promise(resolve => {
  46         gWindow.addEventListener("sizemodechange", function() {
  47           SimpleTest.executeSoon(resolve);
  48         }, { once: true })
  49       });
  50     } else {
  51       promise = new Promise(SimpleTest.executeSoon);
  52     }
  53   }
  54
  55   duringActionCallback();
  56
  57   if (promise) {
  58     await promise;
  59   }
  60
  61   if (newMode == 0) {
  62     // No change should have taken place, no event should have fired.
  63     ok(!gSizeModeDidChange, "No sizemodechange event should have fired.");
  64   } else {
  65     // Size mode change event was expected to fire.
  66     ok(gSizeModeDidChange, "A sizemodechanged event should have fired.");
  67     is(gSizeModeDidChangeTo, newMode, "The new sizemode should have the expected value.");
  68     const expectedHidden = newMode == gWindow.STATE_MINIMIZED || gWindow.isFullyOccluded;
  69     if (gWindow.document.hidden != expectedHidden) {
  70       await new Promise(resolve => {
  71         gWindow.addEventListener("visibilitychange", resolve, { once: true });
  72       });
  73     }
  74     is(gWindow.document.hidden, expectedHidden, "Should be inactive if minimized or occluded.");
  75   }
  76 }
  77
  78 function startTest() {
  79   openWindow();
  80 }
  81
  82 function openWindow() {
  83   gWindow = window.browsingContext.topChromeWindow
  84                   .open('empty_window.xhtml', '_blank', 'chrome,screenX=50,screenY=50,width=200,height=200,resizable');
  85   SimpleTest.waitForFocus(runTest, gWindow);
  86 }
  87
  88 async function runTest() {
  89   // Install event handler.
  90   gWindow.addEventListener("sizemodechange", sizemodeChanged);
  91
  92   // Run tests.
  93   info("Testing minimize()");
  94   await expectSizeModeChange(gWindow.STATE_MINIMIZED, function () {
  95     gWindow.minimize();
  96   });
  97
  98   info("Testing restore() after minimize()");
  99   await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
 100     gWindow.restore();
 101   });
 102
 103   info("Testing maximize()");
 104   await expectSizeModeChange(gWindow.STATE_MAXIMIZED, function () {
 105     gWindow.maximize();
 106   });
 107
 108   info("Testing restore() after maximize()");
 109   await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
 110     gWindow.restore();
 111   });
 112
 113   // Normal window resizing shouldn't fire a sizemodechanged event, bug 715867.
 114   info("Testing resizeTo() horizontal");
 115   await expectSizeModeChange(0, function () {
 116     gWindow.resizeTo(gWindow.outerWidth + 10, gWindow.outerHeight);
 117   });
 118
 119   info("Testing resizeTo() vertical");
 120   await expectSizeModeChange(0, function () {
 121     gWindow.resizeTo(gWindow.outerWidth, gWindow.outerHeight + 10);
 122   });
 123
 124   // Resizing a maximized window should change to normal sizemode.
 125   info("maximize() in preparation for resize");
 126   await expectSizeModeChange(gWindow.STATE_MAXIMIZED, function () {
 127     gWindow.maximize();
 128   });
 129
 130   info("Testing resizeTo() from maximized");
 131   await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
 132     // MacOS treats windows close to the available screen size as maximized.
 133     // Shrinking the window by only 10px isn't enough to change the sizemode.
 134     gWindow.resizeTo(gWindow.outerWidth / 2, gWindow.outerHeight / 2);
 135   });
 136
 137   gWindow.removeEventListener("sizemodechange", sizemodeChanged);
 138   gWindow.close();
 139   SimpleTest.finish();
 140 }
 141
 142 SimpleTest.waitForExplicitFinish();
 143 SimpleTest.waitForFocus(startTest);
 144
 145 ]]>
 146 </script>
 147
 148 </window>