зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1375940 - Part 1: Add a test for destroying a window during a click event while double-clicking, r=smaug
MozReview-Commit-ID: BdyWjvG9q8m
This commit is contained in:
Michael Layzell
Родитель
9e991dd02b
Коммит
068e7442ed
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@ -177,3 +177,5 @@ skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
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[test_bug1332699.html]
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[test_bug1339758.html]
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[test_dnd_with_modifiers.html]
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[test_dblclick_kill_window.html]
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skip-if = toolkit != "gtk3" # Dispatches GTK native widget events
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@ -0,0 +1,98 @@
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1375940
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-->
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<head>
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<title>Test for Bug 1375940</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<pre id="test">
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<iframe src="about:blank"></iframe>
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<script type="application/javascript">
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// Convert (aX, aY), in CSS pixels relative to aElement's bounding rect,
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// to device pixels relative to the screen.
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function coordinatesRelativeToScreen(aX, aY, aElement) {
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var targetWindow = aElement.ownerDocument.defaultView;
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var scale = targetWindow.devicePixelRatio;
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var rect = aElement.getBoundingClientRect();
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return {
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x: (targetWindow.mozInnerScreenX + rect.left + aX) * scale,
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y: (targetWindow.mozInnerScreenY + rect.top + aY) * scale
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};
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}
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// GDK event constants for emitting a double click event to content.
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const GDK_BUTTON_PRESS = 4;
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const GDK_BUTTON_RELEASE = 7;
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const GDK_2BUTTON_PRESS = 5;
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const frame = document.querySelector("iframe");
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add_task(async function() {
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frame.contentDocument.body.innerHTML = "<button>clicky</button>";
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const button = frame.contentDocument.querySelector("button");
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const utils = SpecialPowers.getDOMWindowUtils(frame.contentWindow);
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const {x, y} = coordinatesRelativeToScreen(5, 5, button);
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let doubleClick = false;
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let gotClicks = new Promise(resolve => {
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let sawFirst = false;
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let sawSecond = false;
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button.addEventListener("click", () => {
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ok(true, "Got a click");
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if (sawFirst) {
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sawSecond = true;
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// Let's synchronously destroy the universe!
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frame.style.display = "none";
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frame.contentDocument.body.clientWidth;
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// Re-create our presshell.
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frame.style.display = "";
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frame.contentDocument.body.clientWidth;
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resolve();
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}
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sawFirst = true;
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});
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button.addEventListener("dblclick", () => {
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ok(sawSecond, "Should have already seen 2 clicks");
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doubleClick = true;
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});
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});
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// Emulate a double-click (GDK only)
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// Source: https://developer.gnome.org/gdk3/stable/gdk3-Event-Structures.html#GdkEventButton
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const msgs = [
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GDK_BUTTON_PRESS,
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GDK_BUTTON_RELEASE,
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GDK_BUTTON_PRESS, // NOTE: Gecko currently discards this event
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GDK_2BUTTON_PRESS,
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GDK_BUTTON_RELEASE
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];
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for (let msg of msgs) {
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await new Promise(resolve => {
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ok(true, "Sent event " + msg);
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utils.sendNativeMouseEvent(x, y, msg, 0, button, resolve);
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});
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}
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ok(true, "Waiting for clicks");
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await gotClicks;
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// NOTE: I would think we should see the doubleclick event here, however, it
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// seems as though setting the display to none, and then clearing it doesn't
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// re-create the PresShell eagerly enough to perform the dblclick event
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// dispatch.
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todo(doubleClick, "We should have triggered a dblclick event");
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});
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</script>
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</pre>
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</body>
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</html>
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@ -6625,7 +6625,10 @@ nsWindow::SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
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// explicitly *before* requesting a button-press/release. You will also need to wait
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// for the motion event to be dispatched before requesting a button-press/release
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// event to maintain the desired event order.
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if (aNativeMessage == GDK_BUTTON_PRESS || aNativeMessage == GDK_BUTTON_RELEASE) {
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if (aNativeMessage == GDK_BUTTON_PRESS ||
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aNativeMessage == GDK_BUTTON_RELEASE ||
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aNativeMessage == GDK_2BUTTON_PRESS ||
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aNativeMessage == GDK_3BUTTON_PRESS) {
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GdkEvent event;
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memset(&event, 0, sizeof(GdkEvent));
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event.type = (GdkEventType)aNativeMessage;
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