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diff --git a/dom/events/test/test_dom_wheel_event.html b/dom/events/test/test_dom_wheel_event.html new file mode 100644 index 0000000000..a3dfc6f342 --- /dev/null +++ b/dom/events/test/test_dom_wheel_event.html @@ -0,0 +1,850 @@ +<!DOCTYPE HTML> +<html style="font-size: 32px;"> +<head> + <title>Test for D3E WheelEvent</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<p id="display"></p> +<div id="scrollable" style="font-family: monospace; font-size: 16px; line-height: 1; overflow: auto; width: 200px; height: 200px;"> + <div id="scrolled" style="font-size: 64px; width: 5000px; height: 5000px;"> + Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text.<br> + Tere is a lot of text. 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Tere is a lot of text.<br> + </div> +</div> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +SimpleTest.waitForExplicitFinish(); +SimpleTest.waitForFocus(runTest, window); + +var gScrollableElement = document.getElementById("scrollable"); +var gScrolledElement = document.getElementById("scrolled"); + +var gLineHeight = 0; +var gHorizontalLine = 0; +var gPageHeight = 0; +var gPageWidth = 0; + +function sendWheelAndWait(aX, aY, aEvent) +{ + sendWheelAndPaint(gScrollableElement, aX, aY, aEvent, continueTest); +} + +function* prepareScrollUnits() +{ + var result = -1; + function handler(aEvent) + { + result = aEvent.detail; + aEvent.preventDefault(); + } + window.addEventListener("MozMousePixelScroll", handler, { capture: true, passive: false }); + + yield sendWheelAndWait(10, 10, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaY: 1.0, lineOrPageDeltaY: 1 }); + gLineHeight = result; + ok(gLineHeight > 10 && gLineHeight < 25, "prepareScrollUnits: gLineHeight may be illegal value, got " + gLineHeight); + + result = -1; + yield sendWheelAndWait(10, 10, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, lineOrPageDeltaX: 1 }); + gHorizontalLine = result; + ok(gHorizontalLine > 5 && gHorizontalLine < 16, "prepareScrollUnits: gHorizontalLine may be illegal value, got " + gHorizontalLine); + + result = -1; + yield sendWheelAndWait(10, 10, + { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaY: 1.0, lineOrPageDeltaY: 1 }); + gPageHeight = result; + // XXX Cannot we know the actual scroll port size? + ok(gPageHeight >= 150 && gPageHeight <= 200, + "prepareScrollUnits: gPageHeight is strange value, got " + gPageHeight); + + result = -1; + yield sendWheelAndWait(10, 10, + { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, lineOrPageDeltaX: 1 }); + gPageWidth = result; + ok(gPageWidth >= 150 && gPageWidth <= 200, + "prepareScrollUnits: gPageWidth is strange value, got " + gPageWidth); + + window.removeEventListener("MozMousePixelScroll", handler, true); +} + +function testMakingUntrustedEvent() +{ + const kCreateEventArgs = [ + "WheelEvent", "wheelevent", "wheelEvent", "Wheelevent" + ]; + + for (var i = 0; i < kCreateEventArgs.length; i++) { + try { + // We never support WheelEvent construction with document.createEvent(). + var event = document.createEvent(kCreateEventArgs[i]); + ok(false, "document.createEvent(" + kCreateEventArgs[i] + ") should throw an error"); + } catch (e) { + ok(true, "document.createEvent(" + kCreateEventArgs[i] + ") threw an error"); + } + } + + var wheelEvent = new WheelEvent("wheel"); + ok(wheelEvent instanceof WheelEvent, + "new WheelEvent() should create an instance of WheelEvent"); + ok(typeof(wheelEvent.initWheelEvent) != "function", + "WheelEvent must not have initWheelEvent()"); +} + +// delta_multiplier prefs should cause changing delta values of trusted events only. +// And also legacy events' detail value should be changed too. +function* testDeltaMultiplierPrefs() +{ + const kModifierAlt = 0x01; + const kModifierControl = 0x02; + const kModifierMeta = 0x04; + const kModifierShift = 0x08; + const kModifierWin = 0x10; + + const kTests = [ + { name: "default", + expected: [ 0, kModifierShift | kModifierAlt, kModifierShift | kModifierControl, + kModifierShift | kModifierMeta, kModifierShift | kModifierWin, + kModifierControl | kModifierAlt, kModifierMeta | kModifierAlt ], + unexpected: [ kModifierAlt, kModifierControl, kModifierMeta, kModifierShift, kModifierWin ] }, + { name: "with_alt", + expected: [ kModifierAlt ], + unexpected: [0, kModifierControl, kModifierMeta, kModifierShift, kModifierWin, + kModifierShift | kModifierAlt, kModifierControl | kModifierAlt, + kModifierMeta | kModifierAlt ] }, + { name: "with_control", + expected: [ kModifierControl ], + unexpected: [0, kModifierAlt, kModifierMeta, kModifierShift, kModifierWin, + kModifierShift | kModifierControl, kModifierControl | kModifierAlt, + kModifierMeta | kModifierControl ] }, + { name: "with_meta", + expected: [ kModifierMeta ], + unexpected: [0, kModifierAlt, kModifierControl, kModifierShift, kModifierWin, + kModifierShift | kModifierMeta, kModifierControl | kModifierMeta, + kModifierMeta | kModifierAlt ] }, + { name: "with_shift", + expected: [ kModifierShift ], + unexpected: [0, kModifierAlt, kModifierControl, kModifierMeta, kModifierWin, + kModifierShift | kModifierAlt, kModifierControl | kModifierShift, + kModifierMeta | kModifierShift ] }, + { name: "with_win", + expected: [ kModifierWin ], + unexpected: [0, kModifierAlt, kModifierControl, kModifierMeta, kModifierShift, + kModifierShift | kModifierWin ] }, + ]; + + // Note that this test doesn't support complicated lineOrPageDelta values which are computed with + // accumulated delta values by the prefs. If you need to test the lineOrPageDelta accumulation, + // use test_continuous_dom_wheel_event.html. + const kEvents = [ + { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: gHorizontalLine, deltaY: gLineHeight, deltaZ: gLineHeight, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: 1.0, deltaY: 1.0, deltaZ: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, + { deltaMode: WheelEvent.DOM_DELTA_PIXEL, + deltaX: -gHorizontalLine, deltaY: -gLineHeight, deltaZ: -gLineHeight, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 }, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: -1.0, deltaY: -1.0, deltaZ: -1.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 }, + { deltaMode: WheelEvent.DOM_DELTA_LINE, skipDeltaModeCheck: true, + deltaX: -1.0, deltaY: -1.0, deltaZ: -1.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 }, + { deltaMode: WheelEvent.DOM_DELTA_PAGE, + deltaX: -1.0, deltaY: -1.0, deltaZ: -1.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1 }, + ]; + + const kDeltaMultiplierPrefs = [ + "delta_multiplier_x", "delta_multiplier_y", "delta_multiplier_z" + ]; + + const kPrefValues = [ + 200, 50, 0, -50, -150 + ]; + + var currentTest, currentModifiers, currentEvent, currentPref, currentMultiplier, testingExpected; + var expectedAsyncHandlerCalls; + var description; + var calledHandlers = { wheel: false, + DOMMouseScroll: { horizontal: false, vertical: false }, + MozMousePixelScroll: { horizontal: false, vertical: false } }; + + function deltaToPixels(mode, delta, horizontal) { + switch (mode) { + case WheelEvent.DOM_DELTA_PIXEL: + return delta; + case WheelEvent.DOM_DELTA_LINE: + return delta * (horizontal ? gHorizontalLine : gLineHeight); + case WheelEvent.DOM_DELTA_PAGE: + return delta * (horizontal ? gPageWidth : gPageHeight); + } + throw new Error("Unknown delta mode"); + } + + function defaultScrollMultiplier(horizontal) { + if (!SpecialPowers.getBoolPref("mousewheel.system_scroll_override.enabled")) { + return 1; + } + return SpecialPowers.getIntPref(`mousewheel.system_scroll_override.${horizontal ? "horizontal" : "vertical"}.factor`) / 100; + } + + function wheelEventHandler(aEvent) { + calledHandlers.wheel = true; + + var expectedDeltaX = currentEvent.deltaX; + var expectedDeltaY = currentEvent.deltaY; + var expectedDeltaZ = currentEvent.deltaZ; + + if (testingExpected) { + switch (currentPref.charAt(currentPref.length - 1)) { + case "x": + expectedDeltaX *= currentMultiplier; + break; + case "y": + expectedDeltaY *= currentMultiplier; + break; + case "z": + expectedDeltaZ *= currentMultiplier; + break; + } + } else if (aEvent.isTrusted && aEvent.deltaMode == WheelEvent.DOM_DELTA_LINE) { + expectedDeltaX *= defaultScrollMultiplier(true); + expectedDeltaY *= defaultScrollMultiplier(false); + } + is(aEvent.deltaMode, currentEvent.deltaMode, description + "deltaMode (" + currentEvent.deltaMode + ") was invalid"); + is(aEvent.deltaX, expectedDeltaX, description + "deltaX (" + currentEvent.deltaX + ") was invalid"); + is(aEvent.deltaY, expectedDeltaY, description + "deltaY (" + currentEvent.deltaY + ") was invalid"); + is(aEvent.deltaZ, expectedDeltaZ, description + "deltaZ (" + currentEvent.deltaZ + ") was invalid"); + is(aEvent.wheelDeltaX, -Math.round(aEvent.isTrusted ? 3 * deltaToPixels(aEvent.deltaMode, expectedDeltaX, true) : expectedDeltaX), `${description}wheelDeltaX (${aEvent.wheelDeltaX}) was invalid`); + is(aEvent.wheelDeltaY, -Math.round(aEvent.isTrusted ? 3 * deltaToPixels(aEvent.deltaMode, expectedDeltaY, false) : expectedDeltaY), `${description}wheelDeltaY (${aEvent.wheelDeltaY}) was invalid`); + is(aEvent.wheelDelta, aEvent.wheelDeltaY || aEvent.wheelDeltaX, description + "wheelDelta was invalid"); + + if (expectedAsyncHandlerCalls > 0 && --expectedAsyncHandlerCalls == 0) { + setTimeout(continueTest, 0); + } + } + + function legacyEventHandler(aEvent) { + var isHorizontal = (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS); + var isScrollEvent = (aEvent.type == "DOMMouseScroll"); + if (isScrollEvent) { + if (isHorizontal) { + calledHandlers.DOMMouseScroll.horizontal = true; + } else { + calledHandlers.DOMMouseScroll.vertical = true; + } + } else { + if (isHorizontal) { + calledHandlers.MozMousePixelScroll.horizontal = true; + } else { + calledHandlers.MozMousePixelScroll.vertical = true; + } + } + var eventName = (isHorizontal ? "Horizontal " : "Vertical ") + aEvent.type + " "; + var expectedDetail; + if (isScrollEvent) { + expectedDetail = isHorizontal ? currentEvent.lineOrPageDeltaX : currentEvent.lineOrPageDeltaY; + if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE && expectedDetail) { + expectedDetail = ((expectedDetail > 0) ? UIEvent.SCROLL_PAGE_DOWN : UIEvent.SCROLL_PAGE_UP); + } + } else { + expectedDetail = isHorizontal ? currentEvent.deltaX : currentEvent.deltaY; + if (expectedDetail) { + if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_LINE) { + expectedDetail *= (isHorizontal ? gHorizontalLine : gLineHeight); + } else if (currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE) { + if (expectedDetail > 0) { + expectedDetail = (isHorizontal ? gPageWidth : gPageHeight); + } else { + expectedDetail = (isHorizontal ? -gPageWidth : -gPageHeight); + } + } + } + } + if (testingExpected) { + if ((isHorizontal && currentPref.charAt(currentPref.length - 1) == "x") || + (!isHorizontal && currentPref.charAt(currentPref.length - 1) == "y")) { + // If it's a page scroll event, the detail value is UIEvent.SCROLL_PAGE_DOWN or + // UIEvent.SCROLL_PAGE_UP. If the delta value sign is reverted, we need to + // revert the expected detail value too. Otherwise, don't touch it. + if (isScrollEvent && currentEvent.deltaMode == WheelEvent.DOM_DELTA_PAGE) { + if (currentMultiplier < 0) { + expectedDetail = ((expectedDetail == UIEvent.SCROLL_PAGE_UP) ? UIEvent.SCROLL_PAGE_DOWN : UIEvent.SCROLL_PAGE_UP); + } + } else { + expectedDetail *= currentMultiplier; + expectedDetail = expectedDetail < 0 ? Math.ceil(expectedDetail) : Math.floor(expectedDetail); + } + } + } + is(aEvent.detail, expectedDetail, description + eventName + "detail was invalid"); + + aEvent.preventDefault(); + + if (expectedAsyncHandlerCalls > 0 && --expectedAsyncHandlerCalls == 0) { + setTimeout(continueTest, 0); + } + } + + window.addEventListener("wheel", wheelEventHandler, true); + window.addEventListener("DOMMouseScroll", legacyEventHandler, true); + window.addEventListener("MozMousePixelScroll", legacyEventHandler, true); + + function* dispatchEvent(aIsExpected) { + for (var i = 0; i < kEvents.length; i++) { + currentEvent = kEvents[i]; + currentEvent.shiftKey = (currentModifiers & kModifierShift) != 0; + currentEvent.ctrlKey = (currentModifiers & kModifierControl) != 0; + currentEvent.altKey = (currentModifiers & kModifierAlt) != 0; + currentEvent.metaKey = (currentModifiers & kModifierMeta) != 0; + currentEvent.osKey = (currentModifiers & kModifierWin) != 0; + var modifierList = ""; + if (currentEvent.shiftKey) { + modifierList += "Shift "; + } + if (currentEvent.ctrlKey) { + modifierList += "Control "; + } + if (currentEvent.altKey) { + modifierList += "Alt "; + } + if (currentEvent.metaKey) { + modifierList += "Meta "; + } + if (currentEvent.osKey) { + modifierList += "Win "; + } + + for (var j = 0; j < kPrefValues.length; j++) { + currentMultiplier = kPrefValues[j] / 100; + for (var k = 0; k < kDeltaMultiplierPrefs.length; k++) { + currentPref = "mousewheel." + currentTest.name + "." + kDeltaMultiplierPrefs[k]; + + yield SpecialPowers.pushPrefEnv({"set": [[currentPref, kPrefValues[j]]]}, continueTest); + + gScrollableElement.scrollTop = gScrollableElement.scrollBottom = 1000; + + // trusted event's delta valuses should be reverted by the pref. + testingExpected = aIsExpected; + + var expectedProps = { + deltaX: currentEvent.deltaX * currentMultiplier, + deltaY: currentEvent.deltaY * currentMultiplier, + dletaZ: currentEvent.deltaZ * currentMultiplier, + lineOrPageDeltaX: currentEvent.lineOrPageDeltaX * currentMultiplier, + lineOrPageDeltaY: currentEvent.lineOrPageDeltaY * currentMultiplier, + }; + + var expectedWheel = expectedProps.deltaX != 0 || expectedProps.deltaY != 0 || expectedProps.deltaZ != 0; + var expectedDOMMouseX = expectedProps.lineOrPageDeltaX >= 1 || expectedProps.lineOrPageDeltaX <= -1; + var expectedDOMMouseY = expectedProps.lineOrPageDeltaY >= 1 || expectedProps.lineOrPageDeltaY <= -1; + var expectedMozMouseX = expectedProps.deltaX >= 1 || expectedProps.deltaX <= -1; + var expectedMozMouseY = expectedProps.deltaY >= 1 || expectedProps.deltaY <= -1; + + expectedAsyncHandlerCalls = 0; + if (expectedWheel) ++expectedAsyncHandlerCalls; + if (expectedDOMMouseX) ++expectedAsyncHandlerCalls; + if (expectedDOMMouseY) ++expectedAsyncHandlerCalls; + if (expectedMozMouseX) ++expectedAsyncHandlerCalls; + if (expectedMozMouseY) ++expectedAsyncHandlerCalls; + + description = "testDeltaMultiplierPrefs, pref: " + currentPref + "=" + kPrefValues[j] + + ", deltaMode: " + currentEvent.deltaMode + ", modifiers: \"" + modifierList + "\", (trusted event): "; + yield synthesizeWheel(gScrollableElement, 10, 10, currentEvent); + + is(calledHandlers.wheel, + expectedWheel, + description + "wheel event was (not) fired"); + is(calledHandlers.DOMMouseScroll.horizontal, + expectedDOMMouseX, + description + "Horizontal DOMMouseScroll event was (not) fired"); + is(calledHandlers.DOMMouseScroll.vertical, + expectedDOMMouseY, + description + "Vertical DOMMouseScroll event was (not) fired"); + is(calledHandlers.MozMousePixelScroll.horizontal, + expectedMozMouseX, + description + "Horizontal MozMousePixelScroll event was (not) fired"); + is(calledHandlers.MozMousePixelScroll.vertical, + expectedMozMouseY, + description + "Vertical MozMousePixelScroll event was (not) fired"); + + calledHandlers = { wheel: false, + DOMMouseScroll: { horizontal: false, vertical: false }, + MozMousePixelScroll: { horizontal: false, vertical: false } }; + + // untrusted event's delta values shouldn't be reverted by the pref. + testingExpected = false; + var props = { + bubbles: true, + cancelable: true, + shiftKey: currentEvent.shiftKey, + ctrlKey: currentEvent.ctrlKey, + altKey: currentEvent.altKey, + metaKey: currentEvent.metaKey, + deltaX: currentEvent.deltaX, + deltaY: currentEvent.deltaY, + deltaZ: currentEvent.deltaZ, + deltaMode: currentEvent.deltaMode, + }; + var untrustedEvent = new WheelEvent("wheel", props); + + description = "testDeltaMultiplierPrefs, pref: " + currentPref + "=" + kPrefValues[j] + + ", deltaMode: " + currentEvent.deltaMode + ", modifiers: \"" + modifierList + "\", (untrusted event): "; + gScrollableElement.dispatchEvent(untrustedEvent); + + ok(calledHandlers.wheel, description + "wheel event was not fired for untrusted event"); + ok(!calledHandlers.DOMMouseScroll.horizontal, + description + "Horizontal DOMMouseScroll event was fired for untrusted event"); + ok(!calledHandlers.DOMMouseScroll.vertical, + description + "Vertical DOMMouseScroll event was fired for untrusted event"); + ok(!calledHandlers.MozMousePixelScroll.horizontal, + description + "Horizontal MozMousePixelScroll event was fired for untrusted event"); + ok(!calledHandlers.MozMousePixelScroll.vertical, + description + "Vertical MozMousePixelScroll event was fired for untrusted event"); + + yield SpecialPowers.pushPrefEnv({"set": [[currentPref, 100]]}, continueTest); + + calledHandlers = { wheel: false, + DOMMouseScroll: { horizontal: false, vertical: false }, + MozMousePixelScroll: { horizontal: false, vertical: false } }; + + } + // We should skip other value tests if testing with modifier key. + // If we didn't do so, it would test too many times, but we don't need to do so. + if (kTests.name != "default") { + break; + } + } + } + } + + for (var i = 0; i < kTests.length; i++) { + currentTest = kTests[i]; + for (var j = 0; j < currentTest.expected.length; j++) { + currentModifiers = currentTest.expected[j]; + yield* dispatchEvent(true); + } + for (var k = 0; k < currentTest.unexpected.length; k++) { + currentModifiers = currentTest.unexpected[k]; + yield* dispatchEvent(false); + } + } + + window.removeEventListener("wheel", wheelEventHandler, true); + window.removeEventListener("DOMMouseScroll", legacyEventHandler, true); + window.removeEventListener("MozMousePixelScroll", legacyEventHandler, true); +} + +// Untrusted wheel events shouldn't cause legacy mouse scroll events. +function testDispatchingUntrustEvent() +{ + var descriptionBase = "testDispatchingUntrustEvent, "; + var description, wheelEventFired; + function wheelEventHandler(aEvent) + { + wheelEventFired = true; + } + + function legacyEventHandler(aEvent) + { + ok(false, aEvent.type + " must not be fired"); + } + + window.addEventListener("wheel", wheelEventHandler, true); + window.addEventListener("DOMMouseScroll", legacyEventHandler, true); + window.addEventListener("MozMousePixelScroll", legacyEventHandler, true); + + description = descriptionBase + "dispatching a pixel wheel event: "; + wheelEventFired = false; + var untrustedPixelEvent = new WheelEvent("wheel", { + bubbles: true, cancelable: true, + deltaX: 24.0, deltaY: 24.0, + deltaMode: WheelEvent.DOM_DELTA_PIXEL, + }); + gScrolledElement.dispatchEvent(untrustedPixelEvent); + ok(wheelEventFired, description + "wheel event wasn't fired"); + + description = descriptionBase + "dispatching a line wheel event: "; + wheelEventFired = false; + var untrustedLineEvent = new WheelEvent("wheel", { + bubbles: true, cancelable: true, + deltaX: 3.0, deltaY: 3.0, + deltaMode: WheelEvent.DOM_DELTA_LINE, + }); + gScrolledElement.dispatchEvent(untrustedLineEvent); + ok(wheelEventFired, description + "wheel event wasn't fired"); + + description = descriptionBase + "dispatching a page wheel event: "; + wheelEventFired = false; + var untrustedPageEvent = new WheelEvent("wheel", { + bubbles: true, cancelable: true, + deltaX: 1.0, deltaY: 1.0, + deltaMode: WheelEvent.DOM_DELTA_PAGE, + }); + gScrolledElement.dispatchEvent(untrustedPageEvent); + ok(wheelEventFired, description + "wheel event wasn't fired"); + + window.removeEventListener("wheel", wheelEventHandler, true); + window.removeEventListener("DOMMouseScroll", legacyEventHandler, true); + window.removeEventListener("MozMousePixelScroll", legacyEventHandler, true); +} + +function* testEventOrder() +{ + const kWheelEvent = 0x0001; + const kDOMMouseScrollEvent = 0x0002; + const kMozMousePixelScrollEvent = 0x0004; + const kVerticalScrollEvent = 0x0010; + const kHorizontalScrollEvent = 0x0020; + const kInSystemGroup = 0x0100; + const kDefaultPrevented = 0x1000; + + var currentTest; + + const kTests = [ + { + description: "Testing the order of the events without preventDefault()", + expectedEvents: [ kWheelEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kVerticalScrollEvent, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kDOMMouseScrollEvent | kHorizontalScrollEvent, + kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kHorizontalScrollEvent, + kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kWheelEvent | kInSystemGroup], + resultEvents: [], + doPreventDefaultAt: 0, + }, + { + description: "Testing the order of the events, calling preventDefault() at default group wheel event", + expectedEvents: [ kWheelEvent, + kWheelEvent | kInSystemGroup | kDefaultPrevented], + resultEvents: [], + doPreventDefaultAt: kWheelEvent, + }, + { + description: "Testing the order of the events, calling preventDefault() at default group DOMMouseScroll event", + expectedEvents: [ kWheelEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kDefaultPrevented, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented, + kDOMMouseScrollEvent | kHorizontalScrollEvent, + kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kHorizontalScrollEvent, + kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kWheelEvent | kInSystemGroup | kDefaultPrevented], + resultEvents: [], + doPreventDefaultAt: kDOMMouseScrollEvent | kVerticalScrollEvent, + }, + { + description: "Testing the order of the events, calling preventDefault() at default group MozMousePixelScroll event", + expectedEvents: [ kWheelEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kVerticalScrollEvent, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented, + kDOMMouseScrollEvent | kHorizontalScrollEvent, + kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kHorizontalScrollEvent, + kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kWheelEvent | kInSystemGroup | kDefaultPrevented], + resultEvents: [], + doPreventDefaultAt: kMozMousePixelScrollEvent | kVerticalScrollEvent, + }, + { + description: "Testing the order of the events, calling preventDefault() at system group DOMMouseScroll event", + expectedEvents: [ kWheelEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kDefaultPrevented, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup | kDefaultPrevented, + kDOMMouseScrollEvent | kHorizontalScrollEvent, + kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kHorizontalScrollEvent, + kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kWheelEvent | kInSystemGroup | kDefaultPrevented], + resultEvents: [], + doPreventDefaultAt: kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup, + }, + { + description: "Testing the order of the events, calling preventDefault() at system group MozMousePixelScroll event", + expectedEvents: [ kWheelEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent, + kDOMMouseScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kVerticalScrollEvent, + kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup, + kDOMMouseScrollEvent | kHorizontalScrollEvent, + kDOMMouseScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kMozMousePixelScrollEvent | kHorizontalScrollEvent, + kMozMousePixelScrollEvent | kHorizontalScrollEvent | kInSystemGroup, + kWheelEvent | kInSystemGroup | kDefaultPrevented], + resultEvents: [], + doPreventDefaultAt: kMozMousePixelScrollEvent | kVerticalScrollEvent | kInSystemGroup, + }, + ]; + + function getEventDescription(aEvent) + { + var result = ""; + if (aEvent & kWheelEvent) { + result = "wheel" + } else { + if (aEvent & kDOMMouseScrollEvent) { + result = "DOMMouseScroll"; + } else if (aEvent & kMozMousePixelScrollEvent) { + result = "MozMousePixelScroll"; + } + if (aEvent & kVerticalScrollEvent) { + result += ", vertical"; + } else { + result += ", horizontal"; + } + } + if (aEvent & kInSystemGroup) { + result += ", system group"; + } + if (aEvent & kDefaultPrevented) { + result += ", defaultPrevented"; + } + return result; + } + + function pushEvent(aEvent, aIsSystemGroup) + { + var event = 0; + if (aEvent.type == "wheel") { + event = kWheelEvent; + } else { + if (aEvent.type == "DOMMouseScroll") { + event = kDOMMouseScrollEvent; + } else if (aEvent.type == "MozMousePixelScroll") { + event = kMozMousePixelScrollEvent; + } + if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) { + event |= kHorizontalScrollEvent; + } else { + event |= kVerticalScrollEvent; + } + } + if (aIsSystemGroup) { + event |= kInSystemGroup; + } + if (aEvent.defaultPrevented) { + event |= kDefaultPrevented; + } + currentTest.resultEvents.push(event); + + if (event == currentTest.doPreventDefaultAt) { + aEvent.preventDefault(); + } + + if (currentTest.resultEvents.length == currentTest.expectedEvents.length) { + setTimeout(continueTest, 0); + } + } + + function handler(aEvent) + { + pushEvent(aEvent, false); + } + + function systemHandler(aEvent) + { + pushEvent(aEvent, true); + } + + window.addEventListener("wheel", handler, { capture: true, passive: false }); + window.addEventListener("DOMMouseScroll", handler, { capture: true, passive: false }); + window.addEventListener("MozMousePixelScroll", handler, { capture: true, passive: false }); + + SpecialPowers.addSystemEventListener(window, "wheel", systemHandler, true); + SpecialPowers.addSystemEventListener(window, "DOMMouseScroll", systemHandler, true); + SpecialPowers.addSystemEventListener(window, "MozMousePixelScroll", systemHandler, true); + + for (var i = 0; i < kTests.length; i++) { + currentTest = kTests[i]; + yield synthesizeWheel(gScrollableElement, 10, 10, + { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0 }); + + for (var j = 0; j < currentTest.expectedEvents.length; j++) { + if (currentTest.resultEvents.length == j) { + ok(false, currentTest.description + ": " + + getEventDescription(currentTest.expectedEvents[j]) + " wasn't fired"); + break; + } + is(getEventDescription(currentTest.resultEvents[j]), + getEventDescription(currentTest.expectedEvents[j]), + currentTest.description + ": " + (j + 1) + "th event is mismatched"); + } + if (currentTest.expectedEvents.length < currentTest.resultEvents.length) { + ok(false, currentTest.description + ": " + + getEventDescription(currentTest.resultEvents[currentTest.expectedEvents.length]) + + " was fired unexpectedly"); + } + } + + window.removeEventListener("wheel", handler, true); + window.removeEventListener("DOMMouseScroll", handler, true); + window.removeEventListener("MozMousePixelScroll", handler, true); + + SpecialPowers.removeSystemEventListener(window, "wheel", systemHandler, true); + SpecialPowers.removeSystemEventListener(window, "DOMMouseScroll", systemHandler, true); + SpecialPowers.removeSystemEventListener(window, "MozMousePixelScroll", systemHandler, true); +} + +var gOnWheelAttrHandled = new Array; +var gOnWheelAttrCount = 0; + +function* testOnWheelAttr() +{ + function onWheelHandledString(attr) { + return `gOnWheelAttrHandled['${attr}'] = true; + ++gOnWheelAttrCount; + if (gOnWheelAttrCount == 3) { + setTimeout(continueTest, 0); + };`; + } + + document.documentElement.setAttribute("onwheel", onWheelHandledString("html")); + document.body.setAttribute("onwheel", onWheelHandledString("body")); + gScrollableElement.setAttribute("onwheel", onWheelHandledString("div")); + var target = document.getElementById("onwheel"); + yield synthesizeWheel(gScrollableElement, 10, 10, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 2.0 }); + ok(gOnWheelAttrHandled.html, "html element's onwheel attribute isn't performed"); + ok(gOnWheelAttrHandled.body, "body element's onwheel attribute isn't performed"); + ok(gOnWheelAttrHandled.div, "div element's onwheel attribute isn't performed"); +} + +var gOnWheelPropHandled = new Array; +var gOnWheelPropCount = 0; + +function* testOnWheelProperty() +{ + const handleOnWheelProp = prop => e => { + gOnWheelPropHandled[prop] = true; + ++gOnWheelPropCount; + if (gOnWheelPropCount == 5) { + setTimeout(continueTest, 0); + } + } + + window.onwheel = handleOnWheelProp('window'); + document.onwheel = handleOnWheelProp('document'); + document.documentElement.onwheel = handleOnWheelProp('html'); + document.body.onwheel = handleOnWheelProp('body'); + gScrollableElement.onwheel = handleOnWheelProp('div'); + + var target = document.getElementById("onwheel"); + yield synthesizeWheel(gScrollableElement, 10, 10, + { deltaMode: WheelEvent.DOM_DELTA_LINE, + deltaX: 1.0, deltaY: 2.0 }); + + ok(gOnWheelPropHandled.window, "window's onwheel property isn't performed"); + ok(gOnWheelPropHandled.document, "document's onwheel property isn't performed"); + ok(gOnWheelPropHandled.html, "html element's onwheel property isn't performed"); + ok(gOnWheelPropHandled.body, "body element's onwheel property isn't performed"); + ok(gOnWheelPropHandled.div, "div element's onwheel property isn't performed"); +} + +function* testBody() +{ + yield* prepareScrollUnits(); + testMakingUntrustedEvent(); + yield* testDeltaMultiplierPrefs(); + testDispatchingUntrustEvent(); + yield* testEventOrder(); + yield* testOnWheelAttr(); + yield* testOnWheelProperty(); +} + +var gTestContinuation = null; + +function continueTest() +{ + if (!gTestContinuation) { + gTestContinuation = testBody(); + } + var ret = gTestContinuation.next(); + if (ret.done) { + SimpleTest.finish(); + } +} + +function runTest() +{ + SpecialPowers.pushPrefEnv({"set": [ + // FIXME(emilio): This test is broken in HiDPI, unclear if + // MozMousePixelScroll is not properly converting to CSS pixels, or + // whether sendWheelAndWait expectes device rather than CSS pixels, or + // something else. + ["layout.css.devPixelsPerPx", 1.0], + + ["dom.event.wheel-deltaMode-lines.disabled", true], + + ["mousewheel.default.delta_multiplier_x", 100], + ["mousewheel.default.delta_multiplier_y", 100], + ["mousewheel.default.delta_multiplier_z", 100], + ["mousewheel.with_alt.delta_multiplier_x", 100], + ["mousewheel.with_alt.delta_multiplier_y", 100], + ["mousewheel.with_alt.delta_multiplier_z", 100], + ["mousewheel.with_control.delta_multiplier_x", 100], + ["mousewheel.with_control.delta_multiplier_y", 100], + ["mousewheel.with_control.delta_multiplier_z", 100], + ["mousewheel.with_meta.delta_multiplier_x", 100], + ["mousewheel.with_meta.delta_multiplier_y", 100], + ["mousewheel.with_meta.delta_multiplier_z", 100], + ["mousewheel.with_shift.delta_multiplier_x", 100], + ["mousewheel.with_shift.delta_multiplier_y", 100], + ["mousewheel.with_shift.delta_multiplier_z", 100], + ["mousewheel.with_win.delta_multiplier_x", 100], + ["mousewheel.with_win.delta_multiplier_y", 100], + ["mousewheel.with_win.delta_multiplier_z", 100], + // TODO: Need to add passive to SpecialPowers.addSystemEventListener + // somehow. + ["dom.event.default_to_passive_wheel_listeners", false], + ]}, continueTest); +} +</script> +</pre> +</body> +</html> |