Differential D9570 Diff 22933 webroot/rsrc/js/core/Fullscreen.js

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Standalone View

				/**
				* @requires javelin-install
				* javelin-dom
				* javelin-stratcom
				* javelin-util
				* @provides phabricator-fullscreen
				* @javelin
				*/

				JX.install('Fullscreen', {

				statics: {
				_element: null,
				_installed: false,

				isAvailable: function() {
				var self = JX.Fullscreen;
				return !!self._getStartFunction(document.documentElement);
				},

				isFullscreen: function() {
				var self = JX.Fullscreen;
				return !!self._element;
				},

				startFullscreen: function(node) {
				var self = JX.Fullscreen;
				if (!self.isAvailable()) {
				return;
				}

				if (self._element) {
				return;
				}

				if (!self._installed) {
				self._install();
				self._installed = true;
				}

				self._element = node;
				JX.DOM.alterClass(self._element, 'jx-fullscreen', true);

				self._getStartFunction(node)();
				},

				stopFullscreen: function() {
				var self = JX.Fullscreen;

				if (!self._element) {
				return;
				}

				JX.DOM.alterClass(self._element, 'jx-fullscreen', false);
				self._element = null;

				var fn = document.exitFullscreen \|\|
				document.msExitFullscreen \|\|
				document.mozCancelFullScreen \|\|
				document.webkitRequestFullscreen;

				fn.call(document);
				},

				_install: function() {
				var self = JX.Fullscreen;
				JX.Stratcom.listen('keydown', null, self._onkey);
				},

				_getStartFunction: function(node) {
				var fn = node.requestFullscreen \|\|
				node.msRequestFullscreen \|\|
				node.mozRequestFullScreen \|\|
				node.webkitRequestFullscreen;

				if (!fn) {
				return null;
				}

				return JX.bind(node, fn);
				},

				_onkey: function(e) {
				var self = JX.Fullscreen;

				if (!self.isFullscreen()) {
				return;
				}

				if (e.getSpecialKey() != 'esc') {
				return;
				}

				self.stopFullscreen();
				e.kill();
				}

				}
				});