Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 | 1x 1x 1x 84x 84x 179x 179x 1x 1x 94x 94x 83x 83x 1x 451x 450x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import defined from "./defined.js";
let _supportsFullscreen;
const _names = {
requestFullscreen: undefined,
exitFullscreen: undefined,
fullscreenEnabled: undefined,
fullscreenElement: undefined,
fullscreenchange: undefined,
fullscreenerror: undefined,
};
/**
* Browser-independent functions for working with the standard fullscreen API.
*
* @namespace Fullscreen
*
* @see {@link http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html|W3C Fullscreen Living Specification}
*/
const Fullscreen = {};
Object.defineProperties(Fullscreen, {
/**
* The element that is currently fullscreen, if any. To simply check if the
* browser is in fullscreen mode or not, use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {object}
* @readonly
*/
element: {
get: function () {
Iif (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return document[_names.fullscreenElement];
},
},
/**
* The name of the event on the document that is fired when fullscreen is
* entered or exited. This event name is intended for use with addEventListener.
* In your event handler, to determine if the browser is in fullscreen mode or not,
* use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {string}
* @readonly
*/
changeEventName: {
get: function () {
Iif (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return _names.fullscreenchange;
},
},
/**
* The name of the event that is fired when a fullscreen error
* occurs. This event name is intended for use with addEventListener.
* @memberof Fullscreen
* @type {string}
* @readonly
*/
errorEventName: {
get: function () {
Iif (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return _names.fullscreenerror;
},
},
/**
* Determine whether the browser will allow an element to be made fullscreen, or not.
* For example, by default, iframes cannot go fullscreen unless the containing page
* adds an "allowfullscreen" attribute (or prefixed equivalent).
* @memberof Fullscreen
* @type {boolean}
* @readonly
*/
enabled: {
get: function () {
Iif (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return document[_names.fullscreenEnabled];
},
},
/**
* Determines if the browser is currently in fullscreen mode.
* @memberof Fullscreen
* @type {boolean}
* @readonly
*/
fullscreen: {
get: function () {
Iif (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return Fullscreen.element !== null;
},
},
});
/**
* Detects whether the browser supports the standard fullscreen API.
*
* @returns {boolean} <code>true</code> if the browser supports the standard fullscreen API,
* <code>false</code> otherwise.
*/
Fullscreen.supportsFullscreen = function () {
if (defined(_supportsFullscreen)) {
return _supportsFullscreen;
}
_supportsFullscreen = false;
const body = document.body;
Eif (typeof body.requestFullscreen === "function") {
// go with the unprefixed, standard set of names
_names.requestFullscreen = "requestFullscreen";
_names.exitFullscreen = "exitFullscreen";
_names.fullscreenEnabled = "fullscreenEnabled";
_names.fullscreenElement = "fullscreenElement";
_names.fullscreenchange = "fullscreenchange";
_names.fullscreenerror = "fullscreenerror";
_supportsFullscreen = true;
return _supportsFullscreen;
}
//check for the correct combination of prefix plus the various names that browsers use
const prefixes = ["webkit", "moz", "o", "ms", "khtml"];
let name;
for (let i = 0, len = prefixes.length; i < len; ++i) {
const prefix = prefixes[i];
// casing of Fullscreen differs across browsers
name = `${prefix}RequestFullscreen`;
if (typeof body[name] === "function") {
_names.requestFullscreen = name;
_supportsFullscreen = true;
} else {
name = `${prefix}RequestFullScreen`;
if (typeof body[name] === "function") {
_names.requestFullscreen = name;
_supportsFullscreen = true;
}
}
// disagreement about whether it's "exit" as per spec, or "cancel"
name = `${prefix}ExitFullscreen`;
if (typeof document[name] === "function") {
_names.exitFullscreen = name;
} else {
name = `${prefix}CancelFullScreen`;
if (typeof document[name] === "function") {
_names.exitFullscreen = name;
}
}
// casing of Fullscreen differs across browsers
name = `${prefix}FullscreenEnabled`;
if (document[name] !== undefined) {
_names.fullscreenEnabled = name;
} else {
name = `${prefix}FullScreenEnabled`;
if (document[name] !== undefined) {
_names.fullscreenEnabled = name;
}
}
// casing of Fullscreen differs across browsers
name = `${prefix}FullscreenElement`;
if (document[name] !== undefined) {
_names.fullscreenElement = name;
} else {
name = `${prefix}FullScreenElement`;
if (document[name] !== undefined) {
_names.fullscreenElement = name;
}
}
// thankfully, event names are all lowercase per spec
name = `${prefix}fullscreenchange`;
// event names do not have 'on' in the front, but the property on the document does
if (document[`on${name}`] !== undefined) {
//except on IE
if (prefix === "ms") {
name = "MSFullscreenChange";
}
_names.fullscreenchange = name;
}
name = `${prefix}fullscreenerror`;
if (document[`on${name}`] !== undefined) {
//except on IE
if (prefix === "ms") {
name = "MSFullscreenError";
}
_names.fullscreenerror = name;
}
}
return _supportsFullscreen;
};
/**
* Asynchronously requests the browser to enter fullscreen mode on the given element.
* If fullscreen mode is not supported by the browser, does nothing.
*
* @param {object} element The HTML element which will be placed into fullscreen mode.
* @param {object} [vrDevice] The HMDVRDevice device.
*
* @example
* // Put the entire page into fullscreen.
* Cesium.Fullscreen.requestFullscreen(document.body)
*
* // Place only the Cesium canvas into fullscreen.
* Cesium.Fullscreen.requestFullscreen(scene.canvas)
*/
Fullscreen.requestFullscreen = function (element, vrDevice) {
Iif (!Fullscreen.supportsFullscreen()) {
return;
}
element[_names.requestFullscreen]({ vrDisplay: vrDevice });
};
/**
* Asynchronously exits fullscreen mode. If the browser is not currently
* in fullscreen, or if fullscreen mode is not supported by the browser, does nothing.
*/
Fullscreen.exitFullscreen = function () {
Iif (!Fullscreen.supportsFullscreen()) {
return;
}
document[_names.exitFullscreen]();
};
//For unit tests
Fullscreen._names = _names;
export default Fullscreen;
|