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Add dynamic UI reconstruction to the tutorials.

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Change-Id: I915e2f52a597fabd4b81711dcf97a38cf2e3d788
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Sandra Lokshina
2019-04-29 14:35:25 -07:00
parent 269b53b7a0
commit aac3657a83
2 changed files with 12 additions and 90 deletions
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docs/tutorials/ui.md
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@@ -9,7 +9,7 @@ declarative style of setup.
Setting up a project with the UI library is even easier than setting one up without.
Option 1: Set up controls with HTML data attributes:
Set up controls with HTML data attributes:
```html
<!DOCTYPE html>
@@ -123,92 +123,6 @@ Next, let's add a listener to the 'caststatuschanged' event in myapp.js:
```
<!-- TODO: Also mention the download button, once we add it. -->
#### Option 2: Setting the UI element programmatically
The most basic way to make an element host the Shaka Player UI is to use the
data-shaka-player tags in the HTML.
However, that approach won't necessarily work for every application. For
instance, if your site lays itself out programmatically, that is not an option.
In addition, when using data-shaka-player tags, advanced customization options
are not available.
For more advanced use, the UI can be assigned to an element in code.
```html
<!DOCTYPE html>
<html>
<head>
<!-- Shaka Player ui compiled library: -->
<script src="dist/shaka-player.ui.js"></script>
<link rel="stylesheet" type="text/css" href="dist/controls.css">
<!-- Google Material Design Icons: -->
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<!-- Your application source: -->
<script src="myapp.js"></script>
</head>
<body>
<div id="videoContainer" style="max-width:40em">
<video autoplay id="video" style="width:100%;height:100%"></video>
</div>
</body>
</html>
```
```js
// myapp.js
var manifestUri =
'https://storage.googleapis.com/shaka-demo-assets/angel-one/dash.mpd';
async function init() {
// Create the UI manually.
const video = document.getElementById('video');
const videoContainer = document.getElementById('videoContainer');
const player = new shaka.Player(video);
// Use this to pass in desired config values. Config values not passed in
// will be filled out according to the default config.
// See more info on the configuration in the section below.
const uiConfig = {};
const ui = new shaka.ui.Overlay(player, videoContainer, video, uiConfig);
const controls = ui.getControls();
// Listen for error events.
player.addEventListener('error', onPlayerErrorEvent);
controls.addEventListener('error', onUIErrorEvent);
controls.addEventListener('caststatuschanged', onCastStatusChanged);
// Try to load a manifest.
// This is an asynchronous process.
try {
await player.load(manifestUri);
// This runs if the asynchronous load is successful.
console.log('The video has now been loaded!');
} catch (error) {
onError(error);
}
}
function onPlayerErrorEvent(errorEvent) {
// Extract the shaka.util.Error object from the event.
onPlayerError(event.detail);
}
function onPlayerError(error) {
// Handle player error
}
function onUIErrorEvent(errorEvent) {
// Handle UI error
}
function onCastStatusChanged(event) {
// Handle cast status change
}
// The shaka-ui-loaded event won't fire if there are no tagged UI elements to
// set up, so listen to DOMContentLoaded instead.
document.addEventListener('DOMContentLoaded', init);
```
#### Continue the Tutorials
Next, check out {@tutorial ui-customization}.