对于我的移动HTML5应用程序，我添加了一个脚本，当然包含在index.html文件中。
当我运行我的应用程序时，我总是得到Firebase未定义的错误。 哪个奇怪，因为功能很直接： - ＆GT; var dataRef = new Firebase（'wss：//developer-api.nest.com'）
我是否需要附带的额外代码？
/**
* Copyright 2014 Nest Labs Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals $, Firebase */
'use strict';
var nestToken = $.cookie('https://api.home.nest.com/oauth2/access_token?client_id=xxxxx-xxxxx-xxxx-xxxxxxx-xxxxxxxxxxxx&code=AUTHORIZATION_CODE&client_secret=xxxxxxxxxxxxxxxxxxxx&grant_type=authorization_code'),
thermostat = {},
structure = {};
if (nestToken) { // Simple check for token
// Create a reference to the API using the provided token
var dataRef = new Firebase('wss://developer-api.nest.com');
dataRef.auth(nestToken);
// in a production client we would want to
// handle auth errors here.
} else {
// No auth token, go get one
window.location.replace('/auth/nest');
}
/**
The appropriate version of target temperature to display is based on
the following parameters:
* hvac_mode (C or F)
* temperature_scale (range, heat, cool, or off)
When hvac_mode is 'range' we display both the low and the high setpoints like:
68 • 80° F
For 'heat' or 'cool' just the temperature is displayed
70° F
For 'off' we show that the thermostat is off:
OFF
Away modes are handled separately
@method
@param object thermostat model
@returns undefined
*/
function updateTemperatureDisplay (thermostat) {
var scale = thermostat.temperature_scale.toLowerCase();
// For Heat • Cool mode, we display a range of temperatures
// we support displaying but not changing temps in this mode
if (thermostat.hvac_mode === 'range') {
$('#target-temperature .temp').text(
thermostat['target_temperature_low_' + scale] + ' • ' +
thermostat['target_temperature_high_' + scale]
);
// Display the string 'off' when the thermostat is turned off
} else if (thermostat.hvac_mode === 'off') {
$('#target-temperature .temp').text('off');
// Otherwise just display the target temperature
} else {
$('#target-temperature .temp').text(thermostat['target_temperature_' + scale] + '°');
}
// Update ambient temperature display
$('#ambient-temperature .temp').text(thermostat['ambient_temperature_' + scale] + '°');
}
/**
Updates the thermostat view with the latests data
* Temperature scale
* HVAC mode
* Target and ambient temperatures
* Device name
@method
@param object thermostat model
@returns undefined
*/
function updateThermostatView(thermostat) {
var scale = thermostat.temperature_scale;
$('.temperature-scale').text(scale);
$('#target-temperature .hvac-mode').text(thermostat.hvac_mode);
$('#device-name').text(thermostat.name);
updateTemperatureDisplay(thermostat);
}
/**
Updates the structure's home/away state by
adding the class 'home' when the structure is
set to home, and removing it when in any away state
@method
@param object structure
@returns undefined
*/
function updateStructureView (structure) {
if (structure.away === 'home') {
$('#target-temperature').addClass('home');
} else {
$('#target-temperature').removeClass('home');
}
}
/**
Updates the thermostat's target temperature
by the specified number of degrees in the
specified scale. If a type is specified, it
will be used to set just that target temperature
type
@method
@param Number degrees
@param String temperature scale
@param String type, high or low. Used in heat-cool mode (optional)
@returns undefined
*/
function adjustTemperature(degrees, scale, type) {
scale = scale.toLowerCase();
type = type ? type + '_' : '';
var newTemp = thermostat['target_temperature_' + scale] + degrees,
path = 'devices/thermostats/' + thermostat.device_id + '/target_temperature_' + type + scale;
if (thermostat.is_using_emergency_heat) {
console.error("Can't adjust target temperature while using emergency heat.");
} else if (thermostat.hvac_mode === 'heat-cool' && !type) {
console.error("Can't adjust target temperature while in Heat • Cool mode, use target_temperature_high/low instead.");
} else if (type && thermostat.hvac_mode !== 'heat-cool') {
console.error("Can't adjust target temperature " + type + " while in " + thermostat.hvac_mode + " mode, use target_temperature instead.");
} else if (structure.away.indexOf('away') > -1) {
console.error("Can't adjust target temperature while structure is set to Away or Auto-away.");
} else { // ok to set target temperature
dataRef.child(path).set(newTemp);
}
}
/**
When the user clicks the up button,
adjust the temperature up 1 degree F
or 0.5 degrees C
*/
$('#up-button').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? +1 : +0.5;
adjustTemperature(adjustment, scale);
});
/**
When the user clicks the down button,
adjust the temperature down 1 degree F
or 0.5 degrees C
*/
$('#down-button').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? -1 : -0.5;
adjustTemperature(adjustment, scale);
});
/**
When the user clicks the heating up button,
adjust the temperature up 1 degree F
or 0.5 degrees C
*/
$('#up-button-heat').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? +1 : +0.5;
adjustTemperature(adjustment, scale, 'heat');
});
/**
When the user clicks the heating down button,
adjust the temperature down 1 degree F
or 0.5 degrees C
*/
$('#down-button-heat').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? -1 : -0.5;
adjustTemperature(adjustment, scale, 'heat');
});
/**
When the user clicks the cooling up button,
adjust the temperature up 1 degree F
or 0.5 degrees C
*/
$('#up-button-cool').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? +1 : +0.5;
adjustTemperature(adjustment, scale, 'cool');
});
/**
When the user clicks the cooling down button,
adjust the temperature down 1 degree F
or 0.5 degrees C
*/
$('#down-button-cool').on('click', function () {
var scale = thermostat.temperature_scale,
adjustment = scale === 'F' ? -1 : -0.5;
adjustTemperature(adjustment, scale, 'cool');
});
/**
Utility method to return the first child
value of the passed in object.
@method
@param object
@returns object
*/
function firstChild(object) {
for(var key in object) {
return object[key];
}
}
/**
Start listening for changes on this account,
update appropriate views as data changes.
*/
dataRef.on('value', function (snapshot) {
var data = snapshot.val();
// For simplicity, we only care about the first
// thermostat in the first structure
structure = firstChild(data.structures),
thermostat = data.devices.thermostats[structure.thermostats[0]];
// TAH-361, device_id does not match the device's path ID
thermostat.device_id = structure.thermostats[0];
updateThermostatView(thermostat);
updateStructureView(structure);
});