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/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests the CubicBezierWidget events
const {CubicBezierWidget} =
require("devtools/client/shared/widgets/CubicBezierWidget");
const {PREDEFINED} = require("devtools/client/shared/widgets/CubicBezierPresets");
// In this test we have to use a slightly more complete HTML tree, with <body>
// in order to remove its margin and prevent shifted positions
const TEST_URI = `data:text/html,
<html><body>
<div id="cubic-bezier-container"/>
</body></html>`;
add_task(function* () {
let [host, win, doc] = yield createHost("bottom", TEST_URI);
// Required or widget will be clipped inside of 'bottom'
// host by -14. Setting `fixed` zeroes this which is needed for
// calculating offsets. Occurs in test env only.
doc.body.setAttribute("style", "position: fixed; margin: 0;");
let container = doc.querySelector("#cubic-bezier-container");
let w = new CubicBezierWidget(container, PREDEFINED.linear);
let rect = w.curve.getBoundingClientRect();
rect.graphTop = rect.height * w.bezierCanvas.padding[0];
rect.graphBottom = rect.height - rect.graphTop;
rect.graphHeight = rect.graphBottom - rect.graphTop;
yield pointsCanBeDragged(w, win, doc, rect);
yield curveCanBeClicked(w, win, doc, rect);
yield pointsCanBeMovedWithKeyboard(w, win, doc, rect);
w.destroy();
host.destroy();
});
function* pointsCanBeDragged(widget, win, doc, offsets) {
info("Checking that the control points can be dragged with the mouse");
info("Listening for the update event");
let onUpdated = widget.once("updated");
info("Generating a mousedown/move/up on P1");
widget._onPointMouseDown({target: widget.p1});
doc.onmousemove({pageX: offsets.left, pageY: offsets.graphTop});
doc.onmouseup();
let bezier = yield onUpdated;
ok(true, "The widget fired the updated event");
ok(bezier, "The updated event contains a bezier argument");
is(bezier.P1[0], 0, "The new P1 time coordinate is correct");
is(bezier.P1[1], 1, "The new P1 progress coordinate is correct");
info("Listening for the update event");
onUpdated = widget.once("updated");
info("Generating a mousedown/move/up on P2");
widget._onPointMouseDown({target: widget.p2});
doc.onmousemove({pageX: offsets.right, pageY: offsets.graphBottom});
doc.onmouseup();
bezier = yield onUpdated;
is(bezier.P2[0], 1, "The new P2 time coordinate is correct");
is(bezier.P2[1], 0, "The new P2 progress coordinate is correct");
}
function* curveCanBeClicked(widget, win, doc, offsets) {
info("Checking that clicking on the curve moves the closest control point");
info("Listening for the update event");
let onUpdated = widget.once("updated");
info("Click close to P1");
let x = offsets.left + (offsets.width / 4.0);
let y = offsets.graphTop + (offsets.graphHeight / 4.0);
widget._onCurveClick({pageX: x, pageY: y});
let bezier = yield onUpdated;
ok(true, "The widget fired the updated event");
is(bezier.P1[0], 0.25, "The new P1 time coordinate is correct");
is(bezier.P1[1], 0.75, "The new P1 progress coordinate is correct");
is(bezier.P2[0], 1, "P2 time coordinate remained unchanged");
is(bezier.P2[1], 0, "P2 progress coordinate remained unchanged");
info("Listening for the update event");
onUpdated = widget.once("updated");
info("Click close to P2");
x = offsets.right - (offsets.width / 4);
y = offsets.graphBottom - (offsets.graphHeight / 4);
widget._onCurveClick({pageX: x, pageY: y});
bezier = yield onUpdated;
is(bezier.P2[0], 0.75, "The new P2 time coordinate is correct");
is(bezier.P2[1], 0.25, "The new P2 progress coordinate is correct");
is(bezier.P1[0], 0.25, "P1 time coordinate remained unchanged");
is(bezier.P1[1], 0.75, "P1 progress coordinate remained unchanged");
}
function* pointsCanBeMovedWithKeyboard(widget, win, doc, offsets) {
info("Checking that points respond to keyboard events");
let singleStep = 3;
let shiftStep = 30;
info("Moving P1 to the left");
let newOffset = parseInt(widget.p1.style.left, 10) - singleStep;
let x = widget.bezierCanvas
.offsetsToCoordinates({style: {left: newOffset}})[0];
let onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 37));
let bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], 0.75, "The new P1 progress coordinate is correct");
info("Moving P1 to the left, fast");
newOffset = parseInt(widget.p1.style.left, 10) - shiftStep;
x = widget.bezierCanvas
.offsetsToCoordinates({style: {left: newOffset}})[0];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 37, true));
bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], 0.75, "The new P1 progress coordinate is correct");
info("Moving P1 to the right, fast");
newOffset = parseInt(widget.p1.style.left, 10) + shiftStep;
x = widget.bezierCanvas
.offsetsToCoordinates({style: {left: newOffset}})[0];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 39, true));
bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], 0.75, "The new P1 progress coordinate is correct");
info("Moving P1 to the bottom");
newOffset = parseInt(widget.p1.style.top, 10) + singleStep;
let y = widget.bezierCanvas
.offsetsToCoordinates({style: {top: newOffset}})[1];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 40));
bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], y, "The new P1 progress coordinate is correct");
info("Moving P1 to the bottom, fast");
newOffset = parseInt(widget.p1.style.top, 10) + shiftStep;
y = widget.bezierCanvas
.offsetsToCoordinates({style: {top: newOffset}})[1];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 40, true));
bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], y, "The new P1 progress coordinate is correct");
info("Moving P1 to the top, fast");
newOffset = parseInt(widget.p1.style.top, 10) - shiftStep;
y = widget.bezierCanvas
.offsetsToCoordinates({style: {top: newOffset}})[1];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p1, 38, true));
bezier = yield onUpdated;
is(bezier.P1[0], x, "The new P1 time coordinate is correct");
is(bezier.P1[1], y, "The new P1 progress coordinate is correct");
info("Checking that keyboard events also work with P2");
info("Moving P2 to the left");
newOffset = parseInt(widget.p2.style.left, 10) - singleStep;
x = widget.bezierCanvas
.offsetsToCoordinates({style: {left: newOffset}})[0];
onUpdated = widget.once("updated");
widget._onPointKeyDown(getKeyEvent(widget.p2, 37));
bezier = yield onUpdated;
is(bezier.P2[0], x, "The new P2 time coordinate is correct");
is(bezier.P2[1], 0.25, "The new P2 progress coordinate is correct");
}
function getKeyEvent(target, keyCode, shift = false) {
return {
target: target,
keyCode: keyCode,
shiftKey: shift,
preventDefault: () => {}
};
}
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