94 lines
2.6 KiB
JavaScript
94 lines
2.6 KiB
JavaScript
// @flow
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import { MiddlewareRegistry } from '../base/redux';
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import {
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CLEAR_TOOLBOX_TIMEOUT,
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SET_TOOLBOX_TIMEOUT,
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SET_FULL_SCREEN
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} from './actionTypes';
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declare var APP: Object;
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/**
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* Middleware which intercepts Toolbox actions to handle changes to the
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* visibility timeout of the Toolbox.
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*
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* @param {Store} store - The redux store.
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* @returns {Function}
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*/
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MiddlewareRegistry.register(store => next => action => {
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switch (action.type) {
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case CLEAR_TOOLBOX_TIMEOUT: {
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const { timeoutID } = store.getState()['features/toolbox'];
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clearTimeout(timeoutID);
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break;
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}
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case SET_FULL_SCREEN:
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return _setFullScreen(next, action);
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case SET_TOOLBOX_TIMEOUT: {
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const { timeoutID } = store.getState()['features/toolbox'];
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const { handler, timeoutMS } = action;
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clearTimeout(timeoutID);
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action.timeoutID = setTimeout(handler, timeoutMS);
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break;
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}
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}
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return next(action);
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});
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/**
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* Makes an external request to enter or exit full screen mode.
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*
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* @param {Dispatch} next - The redux dispatch function to dispatch the
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* specified action to the specified store.
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* @param {Action} action - The redux action SET_FULL_SCREEN which is being
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* dispatched in the specified store.
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* @private
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* @returns {Object} The value returned by {@code next(action)}.
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*/
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function _setFullScreen(next, action) {
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if (typeof APP === 'object') {
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const { fullScreen } = action;
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if (fullScreen) {
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const documentElement = document.documentElement || {};
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if (typeof documentElement.requestFullscreen === 'function') {
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documentElement.requestFullscreen();
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} else if (
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typeof documentElement.mozRequestFullScreen === 'function') {
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documentElement.mozRequestFullScreen();
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} else if (
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typeof documentElement.webkitRequestFullscreen === 'function') {
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documentElement.webkitRequestFullscreen();
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}
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} else {
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/* eslint-disable no-lonely-if */
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// $FlowFixMe
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if (typeof document.exitFullscreen === 'function') {
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document.exitFullscreen();
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// $FlowFixMe
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} else if (typeof document.mozCancelFullScreen === 'function') {
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document.mozCancelFullScreen();
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// $FlowFixMe
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} else if (typeof document.webkitExitFullscreen === 'function') {
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document.webkitExitFullscreen();
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}
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/* eslint-enable no-loney-if */
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}
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}
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return next(action);
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}
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