matrix-react-sdk/lib/hooks/useAnimation.js

SDK for matrix.org using React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useAnimation = useAnimation;
var _logger = require("matrix-js-sdk/src/logger");
var _react = require("react");
var _SettingsStore = _interopRequireDefault(require("../settings/SettingsStore"));
/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

const debuglog = (...args) => {
  if (_SettingsStore.default.getValue("debug_animation")) {
    _logger.logger.log.call(console, "Animation debuglog:", ...args);
  }
};
function useAnimation(enabled, callback) {
  const handle = (0, _react.useRef)(null);
  const handler = (0, _react.useCallback)(timestamp => {
    if (callback(timestamp)) {
      handle.current = requestAnimationFrame(handler);
    } else {
      debuglog("Finished animation!");
    }
  }, [callback]);
  (0, _react.useEffect)(() => {
    debuglog("Started animation!");
    if (enabled) {
      handle.current = requestAnimationFrame(handler);
    }
    return () => {
      if (handle.current) {
        debuglog("Aborted animation!");
        cancelAnimationFrame(handle.current);
        handle.current = null;
      }
    };
  }, [enabled, handler]);
}
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