b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
81 lines
2.5 KiB
JavaScript
Executable file
81 lines
2.5 KiB
JavaScript
Executable file
/**
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* Handle display panel functionality, which will change the value of
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* screen.automatic-brightness of settings.
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*
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* @module display/display
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*/
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define(function(require) {
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'use strict';
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var SettingsListener = require('shared/settings_listener');
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var SliderHandler = require('panels/display/slider_handler');
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const AUTO_BRIGHTNESS_SETTING = 'screen.automatic-brightness';
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const SCREEN_BRIGHTNESS = 'screen.brightness';
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/**
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* @alias module:display/display
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* @class Display
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* @returns {Display}
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*/
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var Display = function() {
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this.elements = null;
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};
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Display.prototype = {
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/**
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* Init Display module with doms and data of device-features.json.
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*
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* @access public
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* @memberOf Display.prototype
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* @param {HTMLElement} elements
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* @param {Object} data
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* content of resources/device-features.json.
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*/
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init: function d_init(elements, data) {
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this.elements = elements;
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this.initBrightnessItems(data);
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SliderHandler().init(
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elements.brightnessManualInput,
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SCREEN_BRIGHTNESS);
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},
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/**
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* Decide whether to show brightnessAuto and brightnessManual options.
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*
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* @access public
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* @memberOf Display.prototype
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* @param {Object} data
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* content of resources/device-features.json.
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*/
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initBrightnessItems: function d_init_brightness_items(data) {
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var brightnessAuto = this.elements.brightnessAuto;
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var brightnessAutoCheckbox = this.elements.brightnessAutoCheckbox;
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var brightnessManual = this.elements.brightnessManual;
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var brightnessManualInput = this.elements.brightnessManualInput;
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if (data.ambientLight) {
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brightnessAuto.hidden = false;
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// Observe auto brightness setting
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SettingsListener.observe(AUTO_BRIGHTNESS_SETTING, false,
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function(value) {
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brightnessAutoCheckbox.checked = value;
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brightnessManual.hidden = value;
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}.bind(this));
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} else {
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brightnessAuto.hidden = true;
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brightnessManual.hidden = false;
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var cset = {};
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cset[AUTO_BRIGHTNESS_SETTING] = false;
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SettingsListener.getSettingsLock().set(cset);
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}
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// Observe screen brightness setting
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SettingsListener.observe(SCREEN_BRIGHTNESS, 0.5, function(value) {
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brightnessManualInput.value = value;
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}.bind(this));
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}
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};
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return function ctor_display() {
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return new Display();
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};
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});
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