signal-desktop/js/views/recorder_view.js
Scott Nonnenberg e999473f19
Preserve disabled state in the middle of sending message (#1937)
* Preserve disabled state in send-message field on click

Also: get consistent in treatment of 'disabled' property.

* Add some comments explaining how audio recording dismissal works
2018-01-04 16:51:00 -08:00

80 lines
2.7 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
(function () {
'use strict';
window.Whisper = window.Whisper || {};
Whisper.RecorderView = Whisper.View.extend({
className: 'recorder clearfix',
templateName: 'recorder',
initialize: function() {
this.startTime = Date.now();
this.interval = setInterval(this.updateTime.bind(this), 1000);
this.start();
},
events: {
'click .close': 'close',
'click .finish': 'finish',
'close': 'close'
},
updateTime: function() {
var duration = moment.duration(Date.now() - this.startTime, 'ms');
var minutes = '' + Math.trunc(duration.asMinutes());
var seconds = '' + duration.seconds();
if (seconds.length < 2) {
seconds = '0' + seconds;
}
this.$('.time').text(minutes + ':' + seconds);
},
close: function() {
// Note: the 'close' event can be triggered by InboxView, when the user clicks
// anywhere outside the recording pane.
if (this.recorder.isRecording()) {
this.recorder.cancelRecording();
}
if (this.interval) {
clearInterval(this.interval);
}
if (this.source) {
this.source.disconnect();
}
if (this.context) {
this.context.close().then(function() {
console.log('audio context closed');
});
}
this.remove();
this.trigger('closed');
},
finish: function() {
this.recorder.finishRecording();
this.close();
},
handleBlob: function(recorder, blob) {
if (blob) {
this.trigger('send', blob);
}
},
start: function() {
this.context = new AudioContext();
this.input = this.context.createGain();
this.recorder = new WebAudioRecorder(this.input, {
encoding: 'mp3',
workerDir: 'js/' // must end with slash
});
this.recorder.onComplete = this.handleBlob.bind(this);
this.recorder.onError = this.onError;
navigator.webkitGetUserMedia({ audio: true }, function(stream) {
this.source = this.context.createMediaStreamSource(stream);
this.source.connect(this.input);
}.bind(this), this.onError.bind(this));
this.recorder.startRecording();
},
onError: function(error) {
console.log(error.stack);
this.close();
}
});
})();