408 lines
15 KiB
TypeScript
408 lines
15 KiB
TypeScript
import { Activity } from "../Models/Activity";
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import { DeviceSetupItem } from "../Models/DeviceSetupItem";
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import { Input, Matrix, Output } from "../Models/Matrix";
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import { RemoteKey } from '../Accessories/ControlUnit';
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import { sleep } from '../Util/Sleep';
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let Characteristic: HAPNodeJS.Characteristic;
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const Harmony = require("harmony-websocket");
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interface IDevice {
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id: string,
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name: string,
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supportsCommand(commandName: string): boolean,
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getCommand(commandName: string): string,
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commands: { [name: string]: string };
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on: boolean;
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}
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interface IActivityState {
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currentActivity: Activity
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}
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interface IHarmonyDataProviderProps {
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hubAddress: string,
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log: any,
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matrix: Matrix
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}
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class HarmonyDataProvider {
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private harmony: any;
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private log: any;
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private hubAddress: string = "";
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private connected: boolean = false;
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private devices: { [name: string]: IDevice; } = {};
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private states: { [controlUnitName: string]: (IActivityState | undefined) } = {};
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private matrix: Matrix;
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constructor(props: IHarmonyDataProviderProps) {
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this.log = props.log;
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this.hubAddress = props.hubAddress;
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this.matrix = props.matrix;
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this.harmony = new Harmony();
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//Listeners
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this.harmony.on('open', () => {
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this.connected = true;
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});
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this.harmony.on('close', () => {
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this.connected = false;
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});
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this.connect();
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}
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/**
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* Power on all devices in an activity.
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*/
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public powerOn = async (controlUnitName: string, activity: Activity) => {
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//Only power on if not alread on
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let currentActivity = this.states[controlUnitName] ? this.states[controlUnitName]!.currentActivity : undefined;
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if (!currentActivity) {
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await this.startActivity(controlUnitName, activity);
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}
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}
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/**
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* Power off all devices in an activity that aren't being used.
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*/
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public powerOff = async (controlUnitName: string) => {
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if (!this.states[controlUnitName]) {
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return;
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}
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//Build potential list of devices to turn off
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let devicesToTurnOff: Array<IDevice> = this.states[controlUnitName]!.currentActivity.deviceSetupItems
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.map((value: DeviceSetupItem): IDevice => {
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return this.getDeviceFromName(value.deviceName);
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});
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//Resolve device conflicts with other controlUnits
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devicesToTurnOff = this.sanitizeDeviceList(devicesToTurnOff, controlUnitName);
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//Turn off devices
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devicesToTurnOff.forEach((device: IDevice) => {
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this.powerOffDevice(device);
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});
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this.states[controlUnitName] = undefined;
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}
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/**
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* Start an activity
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*/
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public startActivity = async (controlUnitName: string, activity: Activity) => {
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this.log(`Starting activity ${activity.displayName} for controlUnit: ${controlUnitName}`)
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let lastActivity: Activity | undefined = undefined;
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if (this.states[controlUnitName]) {
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lastActivity = this.states[controlUnitName]!.currentActivity;
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}
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//Build potential list of devices to to turn on
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let devicesToTurnOn: Array<IDevice> = activity.deviceSetupItems.map((value: DeviceSetupItem): IDevice => {
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return this.getDeviceFromName(value.deviceName);
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});
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//Resolve device conflicts with other controlUnits
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devicesToTurnOn = this.sanitizeDeviceList(devicesToTurnOn, controlUnitName);
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//Turn on devices
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await Promise.all(devicesToTurnOn.map(async (device: IDevice) => {
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if (device && device.name && this.devices[device.name]) {
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if (!device.on) {
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this.log(`Turning on device ${device.name}`)
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await this.powerOnDevice(device);
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}
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}
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}));
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//Assign correct input
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await Promise.all(
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activity.deviceSetupItems.map(async (value: DeviceSetupItem) => {
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let device: IDevice = this.getDeviceFromName(value.deviceName);
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if (device && device.supportsCommand(`Input${value.input}`)) {
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let command: string = device.getCommand(`Input${value.input}`);
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await this.sendCommand(command);
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}
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})
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);
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if (activity.useMatrix) {
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//get input and output
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let input: Input = this.matrix.inputs.filter(e => e.inputDevice === activity.controlDeviceId)[0];
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let output: Output = this.matrix.outputs.filter(e => e.outputDevice === activity.outputDeviceId)[0];
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let inputCommandName: string = `In ${input.inputNumber}`;
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let outputCommandName: string = `Out ${output.outputLetter}`;
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let matrixDevice: IDevice = this.getDeviceFromName(this.matrix.deviceName);
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//Route hdmi
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if (matrixDevice.supportsCommand(inputCommandName) && matrixDevice.supportsCommand(outputCommandName)) {
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await this.sendCommand(matrixDevice.getCommand(outputCommandName));
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await this.sendCommand(matrixDevice.getCommand(inputCommandName));
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await this.sendCommand(matrixDevice.getCommand(outputCommandName));
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await this.sendCommand(matrixDevice.getCommand(inputCommandName));
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}
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}
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//Build potential list of devices to turn off
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if (lastActivity) {
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let devicesToTurnOff: Array<IDevice> = lastActivity.deviceSetupItems.map((value: DeviceSetupItem): IDevice => {
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return this.getDeviceFromName(value.deviceName);
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});
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//remove devices that will be used for next activity from list
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//delete array[index] is stupid because it just nulls out the index. But now i have to deal with nulls
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devicesToTurnOff.forEach((device: IDevice, index: number) => {
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if (device && device.name && activity.deviceSetupItems.some(e => {
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return (e && e.deviceName === device.name)
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})) {
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delete devicesToTurnOff[index];
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}
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})
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//Resolve device conflicts with other controlUnits
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devicesToTurnOff = this.sanitizeDeviceList(devicesToTurnOff, controlUnitName);
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this.log(`Sanatized devices to turn off: ${JSON.stringify(devicesToTurnOff.map(e => e ? e.name : ""))}`);
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await Promise.all(
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//Turn off devices
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devicesToTurnOff.map(async (device: IDevice) => {
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if (device) {
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if (device.on) {
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this.log(`Turning off device ${device.name}`)
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await this.powerOffDevice(device);
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}
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}
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})
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);
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}
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//Assign current activity
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this.states[controlUnitName] = { currentActivity: activity };
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}
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/**
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* Turn the volume up for the current running activity.
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*/
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public volumeUp = async (controlUnitName: string) => {
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let volumeUpCommand: string = "Volume Up"
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if (this.states[controlUnitName]) {
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let volumeDevice: IDevice = this.getDeviceFromName(this.states[controlUnitName]!.currentActivity.volumeDeviceId);
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if (volumeDevice.supportsCommand(volumeUpCommand)) {
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this.sendCommand(volumeDevice.getCommand(volumeUpCommand));
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}
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}
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}
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/**
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* Volume down for current running activity.
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*/
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public volumeDown = async (controlUnitName: string) => {
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let volumeDownCommand: string = "Volume Down"
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if (this.states[controlUnitName]) {
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let volumeDevice: IDevice = this.getDeviceFromName(this.states[controlUnitName]!.currentActivity.volumeDeviceId);
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if (volumeDevice.supportsCommand(volumeDownCommand)) {
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this.sendCommand(volumeDevice.getCommand(volumeDownCommand));
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}
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}
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}
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/**
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* Send key press for current activity.
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*
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* @param controlUnitName The name of the control unit to act on.
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* @param key The key to send.
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*/
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public sendKeyPress = async (controlUnitName: string, key: any) => {
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if (this.states[controlUnitName]) {
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let commandName: string = "";
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let device: IDevice = this.getDeviceFromName(this.states[controlUnitName]!.currentActivity.controlDeviceId);
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switch (key) {
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case RemoteKey.ARROW_UP: {
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commandName = "Direction Up";
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break;
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}
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case RemoteKey.ARROW_DOWN: {
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commandName = "Direction Down";
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break;
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}
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case RemoteKey.ARROW_LEFT: {
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commandName = "Direction Left";
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break;
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}
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case RemoteKey.ARROW_RIGHT: {
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commandName = "Direction Right";
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break;
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}
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case RemoteKey.SELECT: {
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commandName = "Select";
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break;
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}
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case RemoteKey.PLAY_PAUSE: {
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commandName = "Pause";
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break;
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}
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case RemoteKey.INFORMATION: {
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commandName = "Menu";
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break;
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}
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case RemoteKey.BACK: {
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commandName = "Back";
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break;
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}
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case RemoteKey.EXIT: {
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commandName = "Back";
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break;
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}
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}
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if (device && device.supportsCommand(commandName)) {
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this.sendCommand(device.getCommand(commandName));
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}
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}
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}
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/**
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* Return if a control unit is active
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* @param controlUnitName
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*/
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public getIsActive(controlUnitName: string): Activity | undefined {
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return this.states[controlUnitName] ? this.states[controlUnitName]!.currentActivity : undefined;
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}
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/**
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* Connect to harmony and receive device info
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*/
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private connect = async () => {
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await this.harmony.connect(this.hubAddress);
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let self = this;
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setTimeout(async function () {
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if (self.connected) {
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let devices: any = await self.harmony.getDevices();
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try {
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await Promise.all(
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//Add each to dictionary
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devices.map(async (dev: any) => {
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//get commands
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let commands: { [name: string]: string } = {};
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let deviceCommands: any = await self.harmony.getDeviceCommands(dev.id);
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deviceCommands.forEach((command: any) => {
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commands[command.label] = command.action;
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});
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self.devices[dev.label] = {
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id: dev.id,
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name: dev.label,
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commands: commands,
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on: false,
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//Define device methods
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supportsCommand(commandName: string): boolean {
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let command = commands[commandName];
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return (command) ? true : false;
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},
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getCommand(commandName: string): string {
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return commands[commandName];
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}
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}
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}));
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self.log(`Harmony data provider ready`);
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} catch (err) {
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self.log(`ERROR - error connecting to harmony: ${err}`);
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}
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}
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}, 1000);
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}
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/**
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* Power off a device (Power toggle if no power off).
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*/
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private powerOffDevice = async (device: IDevice) => {
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let powerOffCommand: string = "Power Off";
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let powerToggleCommand: string = "Power Toggle";
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if (device && device.supportsCommand(powerOffCommand)) {
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await this.sendCommand(device.getCommand(powerOffCommand));
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device.on = false;
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} else if (device && device.supportsCommand(powerToggleCommand)) {
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await this.sendCommand(device.getCommand(powerToggleCommand));
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device.on = false;
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}
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}
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/**
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* Power on a device (Power toggle if no power on).
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*/
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private powerOnDevice = async (device: IDevice) => {
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let powerOnCommand: string = "Power On";
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let powerToggleCommand: string = "Power Toggle";
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if (device && device.supportsCommand(powerOnCommand)) {
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await this.sendCommand(device.getCommand(powerOnCommand));
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device.on = true;
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} else if (device && device.supportsCommand(powerToggleCommand)) {
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await this.sendCommand(device.getCommand(powerToggleCommand));
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device.on = true;
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}
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}
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/**
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* Get the IDevice by name.
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* @param deviceName The device to retrieve.
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*/
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private getDeviceFromName(deviceName: string): IDevice {
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return this.devices[deviceName];
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}
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/**
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* Helper function to make sure no control unit depends on device list.
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* @param devicesToTurnOn The list of devices to modify.
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* @param controlUnitName The name of the control unit in question.
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*/
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private sanitizeDeviceList(devicesToTurnOn: Array<IDevice>, controlUnitName: string): Array<IDevice> {
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for (let controlUnitKey in this.states) {
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//Skip self
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if (controlUnitKey === controlUnitName) {
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continue;
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}
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let currentOtherState: IActivityState = this.states[controlUnitKey]!;
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if (currentOtherState) {
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currentOtherState.currentActivity.deviceSetupItems.forEach((value: DeviceSetupItem) => {
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//there are devices to remove
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if (devicesToTurnOn.some(e => e && e.name === value.deviceName)) {
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let deviceToRemove: IDevice = devicesToTurnOn.filter(i => i.name === value.deviceName)[0];
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delete devicesToTurnOn[devicesToTurnOn.indexOf(deviceToRemove)];
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}
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});
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}
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}
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return devicesToTurnOn;
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}
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/**
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* Send a command to the harmony hub.
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* @param command The command to send.
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*/
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private sendCommand = async (command: string) => {
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try {
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//Execute command
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let response = await this.harmony.sendCommand(JSON.stringify(command));
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//Sleep
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await sleep(800);
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} catch (err) {
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this.log(`ERROR - error sending command to harmony: ${err}`);
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}
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}
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}
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export default HarmonyDataProvider; |