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Reduce indentation waterfall
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1 changed files with 20 additions and 14 deletions
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@ -100,26 +100,32 @@ class Video {
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*/
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disableVideo () {
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this.enabled = false;
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// If we have begun a setup process, wait for it to complete
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// If we have begun a setup process, call _teardown after it completes
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if (this._singleSetup) {
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this._singleSetup
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.then(() => {
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// we might be asked to re-enable before setup completes
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if (!this.enabled) {
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this._disablePreview();
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this._singleSetup = null;
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// by clearing refs to video and track, we should lose our hold over the camera
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this._video = null;
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if (this._track) {
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this._track.stop();
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}
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this._track = null;
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}
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})
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.then(this._teardown.bind(this))
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.catch(() => {});
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}
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}
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/**
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* async part of disableVideo
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* @private
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*/
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_teardown () {
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// we might be asked to re-enable before _teardown is called, just ignore it.
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if (this.enabled === false) {
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this._disablePreview();
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this._singleSetup = null;
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// by clearing refs to video and track, we should lose our hold over the camera
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this._video = null;
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if (this._track) {
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this._track.stop();
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}
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this._track = null;
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}
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}
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/**
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* Return frame data from the video feed in a specified dimensions, format, and mirroring.
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* @return {ArrayBuffer|Canvas|string|null} Frame data in requested format, null when errors.
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