b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
52 lines
1.4 KiB
JavaScript
Executable file
52 lines
1.4 KiB
JavaScript
Executable file
/* exported DtmfTone */
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'use strict';
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/**
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* DTMF tone constructor, providing the SIM on which this tone will be played
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* is mandatory.
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*
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* @param {String} tone The tone to be played.
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* @param {Boolean} short True if this will be a short tone, false otherwise.
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* @param {Integer} serviceId The ID of the SIM card on which to play the tone.
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*/
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function DtmfTone(tone, short, serviceId) {
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this.tone = tone;
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this.short = short;
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this.serviceId = serviceId;
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this.timer = 0;
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}
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/**
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* Length of a short DTMF tone, currently 120ms.
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*/
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DtmfTone.kShortToneLength = 120;
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DtmfTone.prototype = {
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/**
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* Starts playing the tone, if this is a short tone it will stop automatically
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* after kShortToneLength milliseconds, otherwise it will play until stopped.
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*/
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play: function dt_play() {
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clearTimeout(this.timer);
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// Stop previous tone before dispatching a new one
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navigator.mozTelephony.stopTone(this.serviceId);
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navigator.mozTelephony.startTone(this.tone, this.serviceId);
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if (this.short) {
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this.timer = window.setTimeout(function dt_stopTone(serviceId) {
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navigator.mozTelephony.stopTone(serviceId);
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}, DtmfTone.kShortToneLength, this.serviceId);
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}
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},
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/**
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* Stop the DTMF tone, this is safe to call even if the DTMF tone has already
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* stopped.
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*/
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stop: function dt_stop() {
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clearTimeout(this.timer);
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navigator.mozTelephony.stopTone(this.serviceId);
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}
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};
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