scratchfoundation/scratch-vm
1
0
Fork 0
mirror of https://github.com/scratchfoundation/scratch-vm.git synced 2025-01-14 19:49:57 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Simplify setup method promise, add onError

Browse source
This commit is contained in:
Corey Frang 2018-04-05 16:48:42 -04:00 committed by Michael "Z" Goddard
parent 89dd4720a4
commit 0180964333
No known key found for this signature in database
GPG key ID: 762CD40DD5349872
1 changed files with 16 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/io/video.js
View file

@ -98,7 +98,7 @@ class Video {
*/
enableVideo () {
this.enabled = true;
return this._setupVideo().then(() => this);
return this._setupVideo();
}
/**
@ -222,15 +222,17 @@ class Video {
return this._singleSetup;
}
this._video = document.createElement('video');
const video = new Promise((resolve, reject) => {
this._singleSetup = new Promise((resolve, reject) => {
navigator.getUserMedia({
audio: false,
video: {
width: {min: 480, ideal: 640},
height: {min: 360, ideal: 480}
}
}, stream => {
}, resolve, reject);
})
.then(stream => {
this._video = document.createElement('video');
this._video.src = window.URL.createObjectURL(stream);
// Hint to the stream that it should load. A standard way to do this
// is add the video tag to the DOM. Since this extension wants to
@ -238,20 +240,23 @@ class Video {
// the webgl rendered Scratch canvas, another hint like this one is
// needed.
this._track = stream.getTracks()[0];
resolve(this._video);
}, err => {
// There are probably some error types we could handle gracefully here.
this._setupPreview();
return this;
})
.catch(err => {
this._singleSetup = null;
reject(err);
});
if (this.onError) {
this.onError(err);
} else {
log.error(`Unhandled io device error`, err);
}
});
this._singleSetup = video.then(() => this._setupPreview());
return this._singleSetup;
}
_disablePreview () {
if (this._skin && this._drawable) {
if (this._skin) {
this._skin.clear();
this.runtime.renderer.updateDrawableProperties(this._drawable, {visible: false});
}