98 lines
3.6 KiB
Markdown
98 lines
3.6 KiB
Markdown
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# Fscreen - Fullscreen API
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[](https://www.npmjs.com/package/fscreen)
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[Demo website](https://fscreen.rafgraph.dev) (demo code on the [`gh-pages` branch](https://github.com/rafgraph/fscreen/tree/gh-pages))
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---
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Vendor agnostic access to the [Fullscreen API](https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API). Build with the Fullscreen API as intended without worrying about vendor prefixes.
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```shell
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$ npm install --save fscreen
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```
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```javascript
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import fscreen from 'fscreen';
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fscreen.fullscreenEnabled === true / false;
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// boolean to tell if fullscreen mode is supported
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// replacement for: document.fullscreenEnabled
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// mapped to: document.vendorMappedFullscreenEnabled
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fscreen.fullscreenElement === null / undefined / DOM Element;
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// null if not in fullscreen mode, or the DOM element that's in fullscreen mode
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// (if fullscreen is not supported by the device it will be undefined)
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// replacement for: document.fullscreenElement
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// mapped to: document.vendorMappedFullsceenElement
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// note that fscreen.fullscreenElement uses a getter to retrieve the element
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// each time the property is accessed.
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fscreen.requestFullscreen(element);
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// replacement for: element.requestFullscreen()
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// mapped to: element.vendorMappedRequestFullscreen()
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fscreen.requestFullscreenFunction(element);
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// replacement for: element.requestFullscreen - without calling the function
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// mapped to: element.vendorMappedRequestFullscreen
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fscreen.exitFullscreen();
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// replacement for: document.exitFullscreen()
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// mapped to: document.vendorMappedExitFullscreen()
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// note that fscreen.exitFullscreen is mapped to
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// document.vendorMappedExitFullscreen - without calling the function
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fscreen.onfullscreenchange = handler;
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// replacement for: document.onfullscreenchange = handler
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// mapped to: document.vendorMappedOnfullscreenchange = handler
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fscreen.addEventListener('fullscreenchange', handler, options);
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// replacement for: document.addEventListener('fullscreenchange', handler, options)
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// mapped to: document.addEventListener('vendorMappedFullscreenchange', handler, options)
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fscreen.removeEventListener('fullscreenchange', handler, options);
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// replacement for: document.removeEventListener('fullscreenchange', handler, options)
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// mapped to: document.removeEventListener('vendorMappedFullscreenchange', handler, options)
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fscreen.onfullscreenerror = handler;
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// replacement for: document.onfullscreenerror = handler
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// mapped to: document.vendorMappedOnfullscreenerror = handler
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fscreen.addEventListener('fullscreenerror', handler, options);
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// replacement for: document.addEventListener('fullscreenerror', handler, options)
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// mapped to: document.addEventListener('vendorMappedFullscreenerror', handler, options)
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fscreen.removeEventListener('fullscreenerror', handler, options);
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// replacement for: document.removeEventListener('fullscreenerror', handler, options)
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// mapped to: document.removeEventListener('vendorMappedFullscreenerror', handler, options)
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fscreen.fullscreenPseudoClass;
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// returns: the vendorMapped fullscreen Pseudo Class
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// i.e. :fullscreen, :-webkit-full-screen, :-moz-full-screen, :-ms-fullscreen
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// Can be used to find any elements that are fullscreen using the vendorMapped Pseudo Class
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// e.g. document.querySelectorAll(fscreen.fullscreenPseudoClass).forEach(...);
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```
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## Usage
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Use it just like the spec API.
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```javascript
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if (fscreen.fullscreenEnabled) {
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fscreen.addEventListener('fullscreenchange', handler, false);
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fscreen.requestFullscreen(element);
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}
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function handler() {
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if (fscreen.fullscreenElement !== null) {
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console.log('Entered fullscreen mode');
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} else {
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console.log('Exited fullscreen mode');
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}
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}
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```
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