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extension.js
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extension.js
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const St = imports.gi.St;
const Main = imports.ui.main;
const Soup = imports.gi.Soup;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Clutter = imports.gi.Clutter;
const PanelMenu = imports.ui.panelMenu;
const Util = imports.misc.util;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Gio = imports.gi.Gio;
const ExtensionUtils = imports.misc.extensionUtils;
const PopupMenu = imports.ui.popupMenu;
const Helper = Me.imports.src.helper;
let _httpSession;
var bpMenu;
const BP_API_URL = 'https://api.bitpanda.com/v2/ohlc/';
const BitpandaAssetsIndicator = new Lang.Class({
Name: 'BitpandaAssetsIndicator',
Extends: PanelMenu.Button,
_init: function () {
_httpSession = new Soup.Session();
this.parent(0.0, "Bitpanda Currency indicator", false);
this.buttonText = new St.Label({
text: "Loading Bitpanda ...",
y_align: Clutter.ActorAlign.CENTER,
style_class: "red"
});
this.price = 0;
this.allertTriggered = Date.now();
//add icon
const hbox = new St.BoxLayout({style_class: "panel-status-menu-box"});
const gicon = Gio.icon_new_for_string(Me.path + "/bitpanda.png");
const bitpandaIcon = new St.Icon({gicon: gicon, icon_size: "16"});
hbox.add_child(bitpandaIcon);
hbox.add_child(this.buttonText);
//end of icon
this.actor.add_actor(hbox);
this.actor.connect("button_press_event", Lang.bind(this, this._openMenu));
this._refresh();
},
_refresh: function () {
let settings = Helper.getSettings();
this._loadData(this._refreshUI);
this._removeTimeout();
this._timeout = Mainloop.timeout_add_seconds(settings.get_int('timeout'), Lang.bind(this, this._refresh));
return true;
},
_loadData: function () {
let settings = Helper.getSettings();
settingsTimeout = settings.get_int('timeout');
let url = BP_API_URL
+ Helper.getCryptoFromInt(settings.get_enum('cryptocoin'))
+ '/'
+ Helper.getCurrencyPropertyFromInt(settings.get_enum('curency'), 'name')
+ '/'
+ 'hour';
let message = Soup.form_request_new_from_hash('GET', url, []);
_httpSession.queue_message(message, Lang.bind(this, function (_httpSession, message) {
if (message.status_code !== 200)
return;
let jsonObject = JSON.parse(message.response_body.data);
this._refreshUI(jsonObject, settings);
}
)
);
},
_refreshUI: function (jsonObject, settings) {
if (typeof jsonObject === "undefined") {
return false;
}
if (typeof jsonObject.data === "undefined" || jsonObject.data.length === 0) {
log('Wrong data received from API.');
return false;
}
let lastItem = jsonObject.data[jsonObject.data.length - 1];
let numberOfDecimals = settings.get_int('number-of-decimals');
if (typeof lastItem.attributes !== "undefined" && typeof lastItem.attributes.close !== "undefined") {
let txt;
let oldPrice = this.price;
this.price = parseFloat(lastItem.attributes.close).toFixed(numberOfDecimals);
let priceCompare = this.price;
txt = this._buildTopBarText(settings, this.price, numberOfDecimals);
let triggerAlert = false;
if (parseFloat(settings.get_string('alert-above-1')) > 0
&& priceCompare > parseFloat(settings.get_string('alert-above-1'))
) {
triggerAlert = true;
} else if (parseFloat(settings.get_string('alert-below-1')) > 0
&& priceCompare < parseFloat(settings.get_string('alert-below-1'))
) {
triggerAlert = true;
}
triggerAlert = triggerAlert && settings.get_boolean('alerts-enabled');
if (triggerAlert && ((Date.now() - this.allertTriggered) >= settings.get_int('alert-interval') * 1000)) {
this.allertTriggered = Date.now();
Main.notify('Bitpanda price alert',
'Your crypto current value: '
+ parseFloat(priceCompare).toFixed(numberOfDecimals)
+ ' '
+ Helper.getCurrencyPropertyFromInt(settings.get_enum('curency'), 'symbol')
);
}
if (this.price > oldPrice) {
this.buttonText.style_class = 'green';
} else if (this.price < oldPrice) {
this.buttonText.style_class = 'red';
} else {
this.buttonText.style_class = 'gray';
}
this.buttonText.set_text(txt);
}
},
_buildTopBarText: function (settings, price, numberOfDecimals) {
let displayText = '';
let displayType = settings.get_enum('display-type');
let currencySymbol = Helper.getCurrencyPropertyFromInt(settings.get_enum('curency'), 'symbol');
if (displayType === 1 || displayType === 2) {
let walletAmount = price * parseFloat(settings.get_string('wallet'));
displayText += parseFloat(walletAmount).toFixed(numberOfDecimals) + ' ' + currencySymbol;
}
if (displayType === 0 || displayType === 2) {
displayText += (displayType === 2 ? ' | ' : '') + Helper.getCryptoFromInt(settings.get_enum('cryptocoin')) + ': '
+ price + ' ' + Helper.getCurrencyPropertyFromInt(settings.get_enum('curency'), 'symbol');
}
return displayText;
},
_openMenu: function () {
let bitpandaItem = new PopupMenu.PopupMenuItem("Bitpanda Web");
let exchangeItem = new PopupMenu.PopupMenuItem("Bitpanda PRO");
let settingsItem = new PopupMenu.PopupMenuItem("Settings");
this.menu.removeAll();
this.menu.addMenuItem(bitpandaItem);
this.menu.addMenuItem(exchangeItem);
this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
this.menu.addMenuItem(settingsItem);
bitpandaItem.connect('activate', () => {
this._openBrowser('https://web.bitpanda.com');
});
exchangeItem.connect('activate', () => {
this._openBrowser("https://exchange.bitpanda.com");
});
settingsItem.connect('activate', () => {
if (typeof ExtensionUtils.openPrefs === 'function') {
ExtensionUtils.openPrefs();
} else {
Util.spawn([
"gnome-shell-extension-prefs",
Me.uuid
]);
}
});
},
_openBrowser: function (url) {
Util.spawnCommandLine("xdg-open " + url);
},
_removeTimeout: function () {
if (this._timeout) {
Mainloop.source_remove(this._timeout);
this._timeout = null;
}
},
stop: function () {
if (_httpSession !== undefined)
_httpSession.abort();
_httpSession = undefined;
if (this._timeout)
Mainloop.source_remove(this._timeout);
this._timeout = undefined;
this.menu.removeAll();
},
}
);
function init() {
let settings = Helper.getSettings();
settings.connect('changed', () => {
if (typeof bpMenu !== "undefined") {
bpMenu._refresh();
}
});
}
function enable() {
bpMenu = new BitpandaAssetsIndicator;
Main.panel.addToStatusArea('bitpanda-indicator', bpMenu);
}
function disable() {
bpMenu.stop();
bpMenu.destroy();
}