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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/**
* The "waterfall ticks" view, a header for the markers displayed in the waterfall.
*/
const { DOM: dom, PropTypes } = require("devtools/client/shared/vendor/react");
const { L10N } = require("../modules/global");
const { TickUtils } = require("../modules/waterfall-ticks");
// ms
const WATERFALL_HEADER_TICKS_MULTIPLE = 5;
// px
const WATERFALL_HEADER_TICKS_SPACING_MIN = 50;
// px
const WATERFALL_HEADER_TEXT_PADDING = 3;
function WaterfallHeader(props) {
let { startTime, dataScale, sidebarWidth, waterfallWidth } = props;
let tickInterval = TickUtils.findOptimalTickInterval({
ticksMultiple: WATERFALL_HEADER_TICKS_MULTIPLE,
ticksSpacingMin: WATERFALL_HEADER_TICKS_SPACING_MIN,
dataScale: dataScale
});
let ticks = [];
for (let x = 0; x < waterfallWidth; x += tickInterval) {
let left = x + WATERFALL_HEADER_TEXT_PADDING;
let time = Math.round(x / dataScale + startTime);
let label = L10N.getFormatStr("timeline.tick", time);
let node = dom.div({
className: "plain waterfall-header-tick",
style: { transform: `translateX(${left}px)` }
}, label);
ticks.push(node);
}
return dom.div(
{ className: "waterfall-header" },
dom.div(
{
className: "waterfall-sidebar theme-sidebar waterfall-header-name",
style: { width: sidebarWidth + "px" }
},
L10N.getStr("timeline.records")
),
dom.div(
{ className: "waterfall-header-ticks waterfall-background-ticks" },
ticks
)
);
}
WaterfallHeader.displayName = "WaterfallHeader";
WaterfallHeader.propTypes = {
startTime: PropTypes.number.isRequired,
dataScale: PropTypes.number.isRequired,
sidebarWidth: PropTypes.number.isRequired,
waterfallWidth: PropTypes.number.isRequired,
};
module.exports = WaterfallHeader;
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