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gecko-dev/widget/tests/window_mouse_scroll_win.html

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<html lang="en-US"
style="font-family: Arial; font-size: 10px; line-height: 16px;">
<head>
<title>Test for mouse scroll handling on Windows</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
</head>
<body onunload="onUnload();">
<div id="display" style="width: 5000px; height: 5000px;">
<p id="p1" style="font-size: 16px; width: 100px; height: 100px;">1st &lt;p&gt;.</p>
<p id="p2" style="font-size: 32px; width: 100px; height: 100px;">2nd &lt;p&gt;.</p>
</div>
<script class="testbody" type="application/javascript">
window.arguments[0].SimpleTest.waitForFocus(prepareTests, window);
const nsIDOMWindowUtils = Ci.nsIDOMWindowUtils;
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const WHEEL_PAGESCROLL = 4294967295;
const WM_VSCROLL = 0x0115;
const WM_HSCROLL = 0x0114;
const WM_MOUSEWHEEL = 0x020A;
const WM_MOUSEHWHEEL = 0x020E;
const SB_LINEUP = 0;
const SB_LINELEFT = 0;
const SB_LINEDOWN = 1;
const SB_LINERIGHT = 1;
const SB_PAGEUP = 2;
const SB_PAGELEFT = 2;
const SB_PAGEDOWN = 3;
const SB_PAGERIGHT = 3;
const SHIFT_L = 0x0100;
const SHIFT_R = 0x0200;
const CTRL_L = 0x0400;
const CTRL_R = 0x0800;
const ALT_L = 0x1000;
const ALT_R = 0x2000;
const DOM_PAGE_SCROLL_DELTA = 32768;
const kSystemScrollSpeedOverridePref = "mousewheel.system_scroll_override_on_root_content.enabled";
const kAltKeyActionPref = "mousewheel.with_alt.action";
const kCtrlKeyActionPref = "mousewheel.with_control.action";
const kShiftKeyActionPref = "mousewheel.with_shift.action";
const kWinKeyActionPref = "mousewheel.with_win.action";
const kAltKeyDeltaMultiplierXPref = "mousewheel.with_alt.delta_multiplier_x";
const kAltKeyDeltaMultiplierYPref = "mousewheel.with_alt.delta_multiplier_y";
const kCtrlKeyDeltaMultiplierXPref = "mousewheel.with_control.delta_multiplier_x";
const kCtrlKeyDeltaMultiplierYPref = "mousewheel.with_control.delta_multiplier_y";
const kShiftKeyDeltaMultiplierXPref = "mousewheel.with_shift.delta_multiplier_x";
const kShiftKeyDeltaMultiplierYPref = "mousewheel.with_shift.delta_multiplier_y";
const kWinKeyDeltaMultiplierXPref = "mousewheel.with_win.delta_multiplier_x";
const kWinKeyDeltaMultiplierYPref = "mousewheel.with_win.delta_multiplier_y";
const kEmulateWheelByWMSCROLLPref = "mousewheel.emulate_at_wm_scroll";
const kVAmountPref = "mousewheel.windows.vertical_amount_override";
const kHAmountPref = "mousewheel.windows.horizontal_amount_override";
const kTimeoutPref = "mousewheel.windows.transaction.timeout";
const kMouseLineScrollEvent = "DOMMouseScroll";
const kMousePixelScrollEvent = "MozMousePixelScroll";
const kVAxis = MouseScrollEvent.VERTICAL_AXIS;
const kHAxis = MouseScrollEvent.HORIZONTAL_AXIS;
var gLineHeight = 0;
var gCharWidth = 0;
var gPageHeight = 0;
var gPageWidth = 0;
var gP1 = document.getElementById("p1");
var gP2 = document.getElementById("p2");
var gOtherWindow;
function ok(aCondition, aMessage) {
window.arguments[0].SimpleTest.ok(aCondition, aMessage);
}
function is(aLeft, aRight, aMessage) {
window.arguments[0].SimpleTest.is(aLeft, aRight, aMessage);
}
function isnot(aLeft, aRight, aMessage) {
window.arguments[0].SimpleTest.isnot(aLeft, aRight, aMessage);
}
function todo_is(aLeft, aRight, aMessage) {
window.arguments[0].SimpleTest.todo_is(aLeft, aRight, aMessage);
}
function onUnload() {
SpecialPowers.clearUserPref(kAltKeyActionPref);
SpecialPowers.clearUserPref(kCtrlKeyActionPref);
SpecialPowers.clearUserPref(kShiftKeyActionPref);
SpecialPowers.clearUserPref(kWinKeyActionPref);
SpecialPowers.clearUserPref(kAltKeyDeltaMultiplierXPref);
SpecialPowers.clearUserPref(kAltKeyDeltaMultiplierYPref);
SpecialPowers.clearUserPref(kCtrlKeyDeltaMultiplierXPref);
SpecialPowers.clearUserPref(kCtrlKeyDeltaMultiplierYPref);
SpecialPowers.clearUserPref(kShiftKeyDeltaMultiplierXPref);
SpecialPowers.clearUserPref(kShiftKeyDeltaMultiplierYPref);
SpecialPowers.clearUserPref(kWinKeyDeltaMultiplierXPref);
SpecialPowers.clearUserPref(kWinKeyDeltaMultiplierYPref);
SpecialPowers.clearUserPref(kSystemScrollSpeedOverridePref);
SpecialPowers.clearUserPref(kEmulateWheelByWMSCROLLPref);
SpecialPowers.clearUserPref(kVAmountPref);
SpecialPowers.clearUserPref(kHAmountPref);
SpecialPowers.clearUserPref(kTimeoutPref);
window.arguments[0].SimpleTest.finish();
}
function getWindowUtils(aWindow) {
if (!aWindow) {
aWindow = window;
}
return aWindow.windowUtils;
}
function getPointInScreen(aElement, aWindow) {
if (!aWindow) {
aWindow = window;
}
var bounds = aElement.getBoundingClientRect();
return { x: bounds.left + aWindow.mozInnerScreenX,
y: bounds.top + aWindow.mozInnerScreenY };
}
function cut(aNum) {
return (aNum >= 0) ? Math.floor(aNum) : Math.ceil(aNum);
}
/**
* Make each steps for the tests in following arrays in global scope. Each item
* of the arrays will be executed after previous test is finished.
*
* description:
* Set the description of the test. This will be used for the message of is()
* or the others.
*
* message:
* aNativeMessage of nsIDOMWindowUtils.sendNativeMouseScrollEvent().
* Must be WM_MOUSEWHEEL, WM_MOUSEHWHEEL, WM_VSCROLL or WM_HSCROLL.
*
* delta:
* The native delta value for WM_MOUSEWHEEL or WM_MOUSEHWHEEL.
* Or one of the SB_* const value for WM_VSCROLL or WM_HSCROLL.
*
* target:
* The target element, under the mouse cursor.
*
* window:
* The window which is used for getting nsIDOMWindowUtils.
*
* modifiers:
* Pressed modifier keys, 0 means no modifier key is pressed.
* Otherwise, one or more values of SHIFT_L, SHIFT_R, CTRL_L, CTRL_R,
* ALT_L or ALT_R.
*
* additionalFlags:
* aAdditionalFlags of nsIDOMWindowUtils.sendNativeMouseScrollEvent().
* See the document of nsIDOMWindowUtils for the detail of the values.
*
* onLineScrollEvent:
* Must be a function or null.
* If the value is a function, it will be called when DOMMouseScroll event
* is received by the synthesized event.
* If return true, the common checks are canceled.
*
* onPixelScrollEvent:
* Must be a function or null.
* If the value is a function, it will be called when MozMousePixelScroll
* event is received by the synthesized event.
* If return true, the common checks are canceled.
*
* expected:
* Must not be null and this must have:
* axis:
* kVAxis if the synthesized event causes vertical scroll. Otherwise,
* it causes horizontal scroll, kHAxis.
* lines:
* Integer value which is expected detail attribute value of
* DOMMouseScroll. If the event shouldn't be fired, must be 0.
* pixels:
* Integer value or a function which returns double value. The value is
* expected detail attribute value of MozMousePixelScroll.
* If the event shouldn't be fired, must be 0.
*
* Note that if both lines and pixels are 0, the test framework waits
* a few seconds. After that, go to next test.
*
* init:
* Must be a function or null. If this value is a function, it's called
* before synthesizing the native event.
*
* finish:
* Must be a function or null. If this value is a function, it's called
* after received all expected events or timeout if no events are expected.
*/
// First, get the computed line height, char width, page height and page width.
var gPreparingSteps = [
{ description: "Preparing gLineHeight",
message: WM_MOUSEWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
onLineScrollEvent(aEvent) {
return true;
},
onPixelScrollEvent(aEvent) {
gLineHeight = aEvent.detail;
return true;
},
expected: {
axis: kVAxis, lines: 1, pixels: 1,
},
init() {
SpecialPowers.setIntPref(kVAmountPref, 1);
SpecialPowers.setIntPref(kHAmountPref, 1);
},
},
{ description: "Preparing gCharWidth",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
onLineScrollEvent(aEvent) {
return true;
},
onPixelScrollEvent(aEvent) {
gCharWidth = aEvent.detail;
return true;
},
expected: {
axis: kVAxis, lines: 1, pixels: 1,
},
},
{ description: "Preparing gPageHeight",
message: WM_MOUSEWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
onLineScrollEvent(aEvent) {
return true;
},
onPixelScrollEvent(aEvent) {
gPageHeight = aEvent.detail;
return true;
},
expected: {
axis: kHAxis, lines: 1, pixels: 1,
},
init() {
SpecialPowers.setIntPref(kVAmountPref, 0xFFFF);
SpecialPowers.setIntPref(kHAmountPref, 0xFFFF);
},
},
{ description: "Preparing gPageWidth",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
onLineScrollEvent(aEvent) {
return true;
},
onPixelScrollEvent(aEvent) {
gPageWidth = aEvent.detail;
return true;
},
expected: {
axis: kHAxis, lines: 1, pixels: 1,
},
finish() {
ok(gLineHeight > 0, "gLineHeight isn't positive got " + gLineHeight);
ok(gCharWidth > 0, "gCharWidth isn't positive got " + gCharWidth);
ok(gPageHeight > 0, "gPageHeight isn't positive got " + gPageHeight);
ok(gPageWidth > 0, "gPageWidth isn't positive got " + gPageWidth);
ok(gPageHeight > gLineHeight,
"gPageHeight must be larger than gLineHeight");
ok(gPageWidth > gCharWidth,
"gPageWidth must be larger than gCharWidth");
runNextTest(gBasicTests, 0);
},
},
];
var gBasicTests = [
// Widget shouldn't dispatch a pixel event if the delta can be devided by
// lines to be scrolled. However, pixel events should be fired by ESM.
{ description: "WM_MOUSEWHEEL, -120, 3 lines",
message: WM_MOUSEWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 3, pixels() { return gLineHeight * 3; },
},
init() {
SpecialPowers.setIntPref(kVAmountPref, 3);
SpecialPowers.setIntPref(kHAmountPref, 3);
},
},
{ description: "WM_MOUSEWHEEL, 120, -3 lines",
message: WM_MOUSEWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -3, pixels() { return gLineHeight * -3; },
},
},
{ description: "WM_MOUSEHWHEEL, 120, 3 chars",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 3, pixels() { return gCharWidth * 3; },
},
},
{ description: "WM_MOUSEHWHEEL, -120, -3 chars",
message: WM_MOUSEHWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -3, pixels() { return gCharWidth * -3; },
},
},
// Pixel scroll event should be fired always but line scroll event should be
// fired only when accumulated delta value is over a line.
{ description: "WM_MOUSEWHEEL, -20, 0.5 lines",
message: WM_MOUSEWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gLineHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, -20, 0.5 lines (pending: 0.5 lines)",
message: WM_MOUSEWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, -20, 0.5 lines",
message: WM_MOUSEWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gLineHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, 20, -0.5 lines (pending: 0.5 lines)",
message: WM_MOUSEWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gLineHeight / -2; },
},
},
{ description: "WM_MOUSEWHEEL, 20, -0.5 lines (pending: -0.5 lines)",
message: WM_MOUSEWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, 20, -0.5 lines",
message: WM_MOUSEWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gLineHeight / -2; },
},
},
{ description: "WM_MOUSEHWHEEL, 20, 0.5 chars",
message: WM_MOUSEHWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, 20, 0.5 chars (pending: 0.5 chars)",
message: WM_MOUSEHWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, 20, 0.5 chars",
message: WM_MOUSEHWHEEL, delta: 20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, -20, -0.5 chars (pending: 0.5 chars)",
message: WM_MOUSEHWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / -2; },
},
},
{ description: "WM_MOUSEHWHEEL, -20, -0.5 chars (pending: -0.5 chars)",
message: WM_MOUSEHWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, -20, -0.5 chars",
message: WM_MOUSEHWHEEL, delta: -20,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / -2; },
},
},
// Even if the mouse cursor is an element whose font-size is different than
// the scrollable element, the pixel scroll amount shouldn't be changed.
// Widget shouldn't dispatch a pixel event if the delta can be devided by
// lines to be scrolled. However, pixel events should be fired by ESM.
{ description: "WM_MOUSEWHEEL, -120, 3 lines, on the other div whose font-size is larger",
message: WM_MOUSEWHEEL, delta: -120,
target: gP2, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 3, pixels() { return gLineHeight * 3; },
},
},
{ description: "WM_MOUSEWHEEL, 120, -3 lines, on the other div whose font-size is larger",
message: WM_MOUSEWHEEL, delta: 120,
target: gP2, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -3, pixels() { return gLineHeight * -3; },
},
},
{ description: "WM_MOUSEHWHEEL, 120, 3 chars, on the other div whose font-size is larger",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP2, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 3, pixels() { return gCharWidth * 3; },
},
},
{ description: "WM_MOUSEHWHEEL, -120, -3 chars, on the other div whose font-size is larger",
message: WM_MOUSEHWHEEL, delta: -120,
target: gP2, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -3, pixels() { return gCharWidth * -3; },
},
},
// Modifier key tests
{ description: "WM_MOUSEWHEEL, -40, 1 line with left Shift",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_L,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEWHEEL, -40, 1 line with right Shift",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_R,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEWHEEL, -40, 1 line with left Ctrl",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEWHEEL, -40, 1 line with right Ctrl",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_R,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEWHEEL, -40, 1 line with left Alt",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_L,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEWHEEL, -40, 1 line with right Alt",
message: WM_MOUSEWHEEL, delta: -40,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_R,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with left Shift",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_L,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with right Shift",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_R,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with left Ctrl",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with right Ctrl",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_R,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with left Alt",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_L,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_MOUSEHWHEEL, 40, 1 character with right Alt",
message: WM_MOUSEHWHEEL, delta: 40,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_R,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
finish() {
runNextTest(gScrollMessageTests, 0);
},
},
];
var gPageScrllTests = [
// Pixel scroll event should be fired always but line scroll event should be
// fired only when accumulated delta value is over a line.
{ description: "WM_MOUSEWHEEL, -60, 0.5 pages",
message: WM_MOUSEWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gPageHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, -60, 0.5 pages (pending: 0.5 pages)",
message: WM_MOUSEWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return ((gPageHeight / 2) + (gPageHeight % 2)); },
},
},
{ description: "WM_MOUSEWHEEL, -60, 0.5 pages",
message: WM_MOUSEWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gPageHeight / 2; },
},
},
{ description: "WM_MOUSEWHEEL, 60, -0.5 pages (pending: 0.5 pages)",
message: WM_MOUSEWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gPageHeight / -2; },
},
},
{ description: "WM_MOUSEWHEEL, 60, -0.5 pages (pending: -0.5 pages)",
message: WM_MOUSEWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -((gPageHeight / 2) + (gPageHeight % 2)); },
},
},
{ description: "WM_MOUSEWHEEL, 60, -0.5 pages",
message: WM_MOUSEWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels() { return gPageHeight / -2; },
},
},
{ description: "WM_MOUSEHWHEEL, 60, 0.5 pages",
message: WM_MOUSEHWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gPageWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, 60, 0.5 pages (pending: 0.5 pages)",
message: WM_MOUSEHWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return ((gPageWidth / 2) + (gPageWidth % 2)); },
},
},
{ description: "WM_MOUSEHWHEEL, 60, 0.5 pages",
message: WM_MOUSEHWHEEL, delta: 60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gPageWidth / 2; },
},
},
{ description: "WM_MOUSEHWHEEL, -60, -0.5 pages (pending: 0.5 pages)",
message: WM_MOUSEHWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / -2; },
},
},
{ description: "WM_MOUSEHWHEEL, -60, -0.5 pages (pending: -0.5 pages)",
message: WM_MOUSEHWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -((gCharWidth / 2) + (gCharWidth % 2)); },
},
},
{ description: "WM_MOUSEHWHEEL, -60, -0.5 pages",
message: WM_MOUSEHWHEEL, delta: -60,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels() { return gCharWidth / -2; },
},
},
];
var gScrollMessageTests = [
// Widget should dispatch neither line scroll event nor pixel scroll event if
// the WM_*SCROLL's lParam is NULL and mouse wheel emulation is disabled.
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels: 0,
},
init() {
SpecialPowers.setIntPref(kVAmountPref, 3);
SpecialPowers.setIntPref(kHAmountPref, 3);
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, false);
},
},
{ description: "WM_VSCROLL, SB_LINEUP, lParam is NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 0, pixels: 0,
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels: 0,
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 0, pixels: 0,
},
},
// Widget should emulate mouse wheel behavior for WM_*SCROLL even if the
// kEmulateWheelByWMSCROLLPref is disabled but the message's lParam is not
// NULL. Then, widget doesn't dispatch a pixel event for WM_*SCROLL messages,
// but ESM dispatches it instead.
{ description: "WM_VSCROLL, SB_LINEUP, lParam is not NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, false);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is not NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_VSCROLL, SB_PAGEUP, lParam is not NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_PAGEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -gPageHeight; },
},
},
{ description: "WM_VSCROLL, SB_PAGEDOWN, lParam is not NULL, emulation disabled",
message: WM_VSCROLL, delta: SB_PAGEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return gPageHeight; },
},
},
{ description: "WM_HSCROLL, SB_PAGELEFT, lParam is not NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_PAGELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -gPageWidth; },
},
},
{ description: "WM_HSCROLL, SB_PAGERIGHT, lParam is not NULL, emulation disabled",
message: WM_HSCROLL, delta: SB_PAGERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return gPageWidth; },
},
},
// Widget should emulate mouse wheel behavior for WM_*SCROLL when the
// kEmulateWheelByWMSCROLLPref is enabled even if the message's lParam is
// NULL. Then, widget doesn't dispatch a pixel event for WM_*SCROLL messages,
// but ESM dispatches it instead.
{ description: "WM_VSCROLL, SB_LINEUP, lParam is NULL, emulation enabled",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, true);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is NULL, emulation enabled",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is NULL, emulation enabled",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is NULL, emulation enabled",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_VSCROLL, SB_PAGEUP, lParam is NULL, emulation enabled",
message: WM_VSCROLL, delta: SB_PAGEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -gPageHeight; },
},
},
{ description: "WM_VSCROLL, SB_PAGEDOWN, lParam is NULL, emulation enabled",
message: WM_VSCROLL, delta: SB_PAGEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return gPageHeight; },
},
},
{ description: "WM_HSCROLL, SB_PAGELEFT, lParam is NULL, emulation enabled",
message: WM_HSCROLL, delta: SB_PAGELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -DOM_PAGE_SCROLL_DELTA,
pixels() { return -gPageWidth; },
},
},
{ description: "WM_HSCROLL, SB_PAGERIGHT, lParam is NULL, emulation enabled",
message: WM_HSCROLL, delta: SB_PAGERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: DOM_PAGE_SCROLL_DELTA,
pixels() { return gPageWidth; },
},
},
// Modifier key tests for WM_*SCROLL
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with left Shift",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, false);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with right Shift",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_R,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with left Ctrl",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with right Ctrl",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with left Alt",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, with right Alt",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_R,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with left Shift",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with right Shift",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: SHIFT_R,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with left Ctrl",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with right Ctrl",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: CTRL_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with left Alt",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_L,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, with right Alt",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: ALT_R,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
finish() {
runDeactiveWindowTests();
},
},
];
var gDeactiveWindowTests = [
// Typically, mouse drivers send wheel messages to focused window.
// However, we prefer to scroll a scrollable element under the mouse cursor.
{ description: "WM_MOUSEWHEEL, -120, 3 lines, window is deactive",
message: WM_MOUSEWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 3, pixels() { return gLineHeight * 3; },
},
init() {
SpecialPowers.setIntPref(kVAmountPref, 3);
SpecialPowers.setIntPref(kHAmountPref, 3);
},
onLineScrollEvent(aEvent) {
var fm = Services.focus;
is(fm.activeWindow, gOtherWindow, "The other window isn't activated");
},
},
{ description: "WM_MOUSEWHEEL, 120, -3 lines, window is deactive",
message: WM_MOUSEWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -3, pixels() { return gLineHeight * -3; },
},
},
{ description: "WM_MOUSEHWHEEL, 120, 3 chars, window is deactive",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 3, pixels() { return gCharWidth * 3; },
},
},
{ description: "WM_MOUSEHWHEEL, -120, -3 chars, window is deactive",
message: WM_MOUSEHWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -3, pixels() { return gCharWidth * -3; },
},
},
// Of course, even if some drivers prefer the cursor position, we don't need
// to change anything.
{ description: "WM_MOUSEWHEEL, -120, 3 lines, window is deactive (receive the message directly)",
message: WM_MOUSEWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: 3, pixels() { return gLineHeight * 3; },
},
},
{ description: "WM_MOUSEWHEEL, 120, -3 lines, window is deactive (receive the message directly)",
message: WM_MOUSEWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: -3, pixels() { return gLineHeight * -3; },
},
},
{ description: "WM_MOUSEHWHEEL, 120, 3 chars, window is deactive (receive the message directly)",
message: WM_MOUSEHWHEEL, delta: 120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: 3, pixels() { return gCharWidth * 3; },
},
},
{ description: "WM_MOUSEHWHEEL, -120, -3 chars, window is deactive (receive the message directly)",
message: WM_MOUSEHWHEEL, delta: -120,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: -3, pixels() { return gCharWidth * -3; },
},
},
// Same for WM_*SCROLL if lParam is not NULL
{ description: "WM_VSCROLL, SB_LINEUP, lParam is not NULL, emulation disabled, window is deactive",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, false);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, window is deactive",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is not NULL, emulation disabled, window is deactive",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, window is deactive",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
// Same for WM_*SCROLL if lParam is NULL but emulation is enabled
{ description: "WM_VSCROLL, SB_LINEUP, lParam is NULL, emulation enabled, window is deactive",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, true);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is NULL, emulation enabled, window is deactive",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is NULL, emulation enabled, window is deactive",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is NULL, emulation enabled, window is deactive",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: 0,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
// Same for WM_*SCROLL if lParam is not NULL and message sent to the deactive window directly
{ description: "WM_VSCROLL, SB_LINEUP, lParam is not NULL, emulation disabled, window is deactive (receive the message directly)",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL |
nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, false);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is not NULL, emulation disabled, window is deactive (receive the message directly)",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL |
nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is not NULL, emulation disabled, window is deactive (receive the message directly)",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL |
nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is not NULL, emulation disabled, window is deactive (receive the message directly)",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_WIN_SCROLL_LPARAM_NOT_NULL |
nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
},
// Same for WM_*SCROLL if lParam is NULL but emulation is enabled, and message sent to the deactive window directly
{ description: "WM_VSCROLL, SB_LINEUP, lParam is NULL, emulation enabled, window is deactive (receive the message directly)",
message: WM_VSCROLL, delta: SB_LINEUP,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: -1, pixels() { return -gLineHeight; },
},
init() {
SpecialPowers.setBoolPref(kEmulateWheelByWMSCROLLPref, true);
},
},
{ description: "WM_VSCROLL, SB_LINEDOWN, lParam is NULL, emulation enabled, window is deactive (receive the message directly)",
message: WM_VSCROLL, delta: SB_LINEDOWN,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kVAxis, lines: 1, pixels() { return gLineHeight; },
},
},
{ description: "WM_HSCROLL, SB_LINELEFT, lParam is NULL, emulation enabled, window is deactive (receive the message directly)",
message: WM_HSCROLL, delta: SB_LINELEFT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: -1, pixels() { return -gCharWidth; },
},
},
{ description: "WM_HSCROLL, SB_LINERIGHT, lParam is NULL, emulation enabled, window is deactive (receive the message directly)",
message: WM_HSCROLL, delta: SB_LINERIGHT,
target: gP1, x: 10, y: 10, window,
modifiers: 0,
additionalFlags: nsIDOMWindowUtils.MOUSESCROLL_PREFER_WIDGET_AT_POINT,
expected: {
axis: kHAxis, lines: 1, pixels() { return gCharWidth; },
},
finish() {
gOtherWindow.close();
gOtherWindow = null;
window.close();
},
},
];
function runDeactiveWindowTests() {
gOtherWindow = window.open("data:text/html,", "_blank",
"chrome,width=100,height=100,top=700,left=700");
window.arguments[0].SimpleTest.waitForFocus(function() {
runNextTest(gDeactiveWindowTests, 0);
}, gOtherWindow);
}
function runNextTest(aTests, aIndex) {
if (aIndex > 0 && aTests[aIndex - 1] && aTests[aIndex - 1].finish) {
aTests[aIndex - 1].finish();
}
if (aTests.length == aIndex) {
return;
}
var test = aTests[aIndex++];
if (test.init) {
test.init();
}
test.handled = { lines: false, pixels: false };
switch (test.message) {
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
case WM_VSCROLL:
case WM_HSCROLL:
var expectedLines = test.expected.lines;
var expectedPixels =
cut((typeof test.expected.pixels == "function") ?
test.expected.pixels() : test.expected.pixels);
var handler = function(aEvent) {
var doCommonTests = true;
if (!aEvent) {
ok(!test.handled.lines,
test.description + ", line scroll event has been handled");
ok(!test.handled.pixels,
test.description + ", pixel scroll event has been handled");
doCommonTests = false;
} else if (aEvent.type == kMouseLineScrollEvent) {
ok(!test.handled.lines,
test.description + ":(" + aEvent.type + "), same event has already been handled");
test.handled.lines = true;
isnot(expectedLines, 0,
test.description + ":(" + aEvent.type + "), event shouldn't be fired");
if (test.onLineScrollEvent && test.onLineScrollEvent(aEvent)) {
doCommonTests = false;
}
} else if (aEvent.type == kMousePixelScrollEvent) {
ok(!test.handled.pixels,
test.description + ":(" + aEvent.type + "), same event has already been handled");
test.handled.pixels = true;
isnot(expectedPixels, 0,
test.description + ":(" + aEvent.type + "), event shouldn't be fired");
if (test.onPixelScrollEvent && test.onPixelScrollEvent(aEvent)) {
doCommonTests = false;
}
}
if (doCommonTests) {
var expectedDelta =
(aEvent.type == kMouseLineScrollEvent) ?
expectedLines : expectedPixels;
is(aEvent.target.id, test.target.id,
test.description + ":(" + aEvent.type + "), ID mismatch");
is(aEvent.axis, test.expected.axis,
test.description + ":(" + aEvent.type + "), axis mismatch");
ok(aEvent.detail != 0,
test.description + ":(" + aEvent.type + "), delta must not be 0");
is(aEvent.detail, expectedDelta,
test.description + ":(" + aEvent.type + "), delta mismatch");
is(aEvent.shiftKey, (test.modifiers & (SHIFT_L | SHIFT_R)) != 0,
test.description + ":(" + aEvent.type + "), shiftKey mismatch");
is(aEvent.ctrlKey, (test.modifiers & (CTRL_L | CTRL_R)) != 0,
test.description + ":(" + aEvent.type + "), ctrlKey mismatch");
is(aEvent.altKey, (test.modifiers & (ALT_L | ALT_R)) != 0,
test.description + ":(" + aEvent.type + "), altKey mismatch");
}
if (!aEvent || (test.handled.lines || expectedLines == 0) &&
(test.handled.pixels || expectedPixels == 0)) {
// Don't scroll actually.
if (aEvent) {
aEvent.preventDefault();
}
test.target.removeEventListener(kMouseLineScrollEvent, handler, true);
test.target.removeEventListener(kMousePixelScrollEvent, handler, true);
setTimeout(runNextTest, 0, aTests, aIndex);
}
};
test.target.addEventListener(kMouseLineScrollEvent, handler, true);
test.target.addEventListener(kMousePixelScrollEvent, handler, true);
if (expectedLines == 0 && expectedPixels == 0) {
// The timeout might not be enough if system is slow by other process,
// so, the test might be passed unexpectedly. However, it must be able
// to be detected by random orange.
setTimeout(handler, 500);
}
var utils = getWindowUtils(test.window);
var ptInScreen = getPointInScreen(test.target, test.window);
var isVertical =
((test.message == WM_MOUSEWHEEL) || (test.message == WM_VSCROLL));
var deltaX = !isVertical ? test.delta : 0;
var deltaY = isVertical ? test.delta : 0;
utils.sendNativeMouseScrollEvent(ptInScreen.x + test.x,
ptInScreen.y + test.y,
test.message, deltaX, deltaY, 0,
test.modifiers,
test.additionalFlags,
test.target);
break;
default:
ok(false, test.description + ": invalid message");
// Let's timeout.
}
}
function prepareTests() {
// Disable special action with modifier key
SpecialPowers.setIntPref(kAltKeyActionPref, 1);
SpecialPowers.setIntPref(kCtrlKeyActionPref, 1);
SpecialPowers.setIntPref(kShiftKeyActionPref, 1);
SpecialPowers.setIntPref(kWinKeyActionPref, 1);
SpecialPowers.setIntPref(kAltKeyDeltaMultiplierXPref, 100);
SpecialPowers.setIntPref(kAltKeyDeltaMultiplierYPref, 100);
SpecialPowers.setIntPref(kCtrlKeyDeltaMultiplierXPref, 100);
SpecialPowers.setIntPref(kCtrlKeyDeltaMultiplierYPref, 100);
SpecialPowers.setIntPref(kShiftKeyDeltaMultiplierXPref, 100);
SpecialPowers.setIntPref(kShiftKeyDeltaMultiplierYPref, 100);
SpecialPowers.setIntPref(kWinKeyDeltaMultiplierXPref, 100);
SpecialPowers.setIntPref(kWinKeyDeltaMultiplierYPref, 100);
SpecialPowers.setBoolPref(kSystemScrollSpeedOverridePref, false);
SpecialPowers.setIntPref(kTimeoutPref, -1);
runNextTest(gPreparingSteps, 0);
}
</script>
</body>
</html>
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