Files
jitsi-meet/react/features/display-name/components/web/styles.ts

107 lines
3.4 KiB
TypeScript

import { Theme } from '@mui/material';
/**
* The vertical padding for the display name.
*/
export const DISPLAY_NAME_VERTICAL_PADDING = 4;
/**
* Returns the typography for stage participant display name badge.
*
* @param {Theme} theme - The current theme.
* @returns {ITypographyType}
*/
export function getStageParticipantTypography(theme: Theme) {
return theme.typography.bodyShortRegularLarge;
}
/**
* Returns the range of possible values for the font size for the stage participant display name badge.
*
* @param {Theme} theme - The current theme.
* @returns {ILimits}
*/
export function getStageParticipantFontSizeRange(theme: Theme) {
return {
max: theme.typography.bodyShortRegularLarge.fontSize,
min: theme.typography.bodyShortRegularSmall.fontSize
};
}
/**
* Returns the range of possible values for the line height for the stage participant display name badge.
*
* @param {Theme} theme - The current theme.
* @returns {ILimits}
*/
export function getStageParticipantLineHeightRange(theme: Theme) {
return {
max: theme.typography.bodyShortRegularLarge.lineHeight,
min: theme.typography.bodyShortRegularSmall.lineHeight
};
}
/**
* Returns the height + padding for stage participant display name badge.
*
* @param {Theme} theme - The current theme.
* @param {number} clientHeight - The height of the visible area.
* @returns {number}
*/
export function getStageParticipantNameLabelHeight(theme: Theme, clientHeight?: number) {
const lineHeight = getStageParticipantNameLabelLineHeight(theme, clientHeight);
return lineHeight + DISPLAY_NAME_VERTICAL_PADDING;
}
/**
* Returns the height + padding for stage participant display name badge.
*
* @param {Theme} theme - The current theme.
* @param {number} clientHeight - The height of the visible area.
* @returns {number}
*/
export function getStageParticipantNameLabelLineHeight(theme: Theme, clientHeight?: number) {
return scaleFontProperty(clientHeight, getStageParticipantLineHeightRange(theme));
}
interface ILimits {
max: number;
min: number;
}
/**
* The default clint height limits used by scaleFontProperty.
*/
const DEFAULT_CLIENT_HEIGHT_LIMITS = {
min: 300,
max: 960
};
/**
* Scales a css font property depending on the passed screen size.
* Note: The result will be in the range of the specified propValueLimits. Also if the current screen height is
* more/less than the values in screenLimits parameter the result will be the max/min of the propValuesLimits.
*
* @param {number|undefined} screenHeight - The current screen height.
* @param {ILimits} propValuesLimits - The max and min value for the font property that we are scaling.
* @param {ILimits} screenHeightLimits - The max and min value for screen height.
* @returns {number} - The scaled prop value.
*/
export function scaleFontProperty(
screenHeight: number | undefined,
propValuesLimits: ILimits,
screenHeightLimits: ILimits = DEFAULT_CLIENT_HEIGHT_LIMITS) {
if (typeof screenHeight !== 'number') {
return propValuesLimits.max;
}
const { max: maxPropSize, min: minPropSize } = propValuesLimits;
const { max: maxHeight, min: minHeight } = screenHeightLimits;
const propSizePerPxHeight = (maxPropSize - minPropSize) / (maxHeight - minHeight);
return Math.round(
(Math.max(Math.min(screenHeight, maxHeight), minHeight) - minHeight) * propSizePerPxHeight
) + minPropSize;
}