diff options
Diffstat (limited to 'devtools/client/inspector/fonts/components/FontSize.js')
-rw-r--r-- | devtools/client/inspector/fonts/components/FontSize.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/client/inspector/fonts/components/FontSize.js b/devtools/client/inspector/fonts/components/FontSize.js new file mode 100644 index 0000000000..dbb67a66d9 --- /dev/null +++ b/devtools/client/inspector/fonts/components/FontSize.js @@ -0,0 +1,87 @@ +/* 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"; + +const { + createFactory, + PureComponent, +} = require("resource://devtools/client/shared/vendor/react.js"); +const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js"); + +const FontPropertyValue = createFactory( + require("resource://devtools/client/inspector/fonts/components/FontPropertyValue.js") +); + +const { + getStr, +} = require("resource://devtools/client/inspector/fonts/utils/l10n.js"); +const { + getUnitFromValue, + getStepForUnit, +} = require("resource://devtools/client/inspector/fonts/utils/font-utils.js"); + +class FontSize extends PureComponent { + static get propTypes() { + return { + disabled: PropTypes.bool.isRequired, + onChange: PropTypes.func.isRequired, + value: PropTypes.string.isRequired, + }; + } + + constructor(props) { + super(props); + this.historicMax = {}; + } + + render() { + const value = parseFloat(this.props.value); + const unit = getUnitFromValue(this.props.value); + let max; + switch (unit) { + case "em": + case "rem": + max = 4; + break; + case "vh": + case "vw": + case "vmin": + case "vmax": + max = 10; + break; + case "%": + max = 200; + break; + default: + max = 72; + break; + } + + // Allow the upper bound to increase so it accomodates the out-of-bounds value. + max = Math.max(max, value); + // Ensure we store the max value ever reached for this unit type. This will be the + // max value of the input and slider. Without this memoization, the value and slider + // thumb get clamped at the upper bound while decrementing an out-of-bounds value. + this.historicMax[unit] = this.historicMax[unit] + ? Math.max(this.historicMax[unit], max) + : max; + + return FontPropertyValue({ + allowOverflow: true, + disabled: this.props.disabled, + label: getStr("fontinspector.fontSizeLabel"), + min: 0, + max: this.historicMax[unit], + name: "font-size", + onChange: this.props.onChange, + step: getStepForUnit(unit), + unit, + unitOptions: ["em", "rem", "%", "px", "vh", "vw"], + value, + }); + } +} + +module.exports = FontSize; |