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75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Ci, Cc } = require("chrome");
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const { getJSON } = require("devtools/client/shared/getjson");
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const { Services } = require("resource://gre/modules/Services.jsm");
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const promise = require("promise");
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const DEVICES_URL = "devtools.devices.url";
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const Strings = Services.strings.createBundle("chrome://devtools/locale/device.properties");
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/* This is a catalog of common web-enabled devices and their properties,
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* intended for (mobile) device emulation.
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*
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* The properties of a device are:
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* - name: brand and model(s).
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* - width: viewport width.
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* - height: viewport height.
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* - pixelRatio: ratio from viewport to physical screen pixels.
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* - userAgent: UA string of the device's browser.
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* - touch: whether it has a touch screen.
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* - firefoxOS: whether Firefox OS is supported.
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*
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* The device types are:
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* ["phones", "tablets", "laptops", "televisions", "consoles", "watches"].
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*
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* You can easily add more devices to this catalog from your own code (e.g. an
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* addon) like so:
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*
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* var myPhone = { name: "My Phone", ... };
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* require("devtools/client/shared/devices").AddDevice(myPhone, "phones");
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*/
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// Local devices catalog that addons can add to.
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var localDevices = {};
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// Add a device to the local catalog.
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function AddDevice(device, type = "phones") {
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let list = localDevices[type];
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if (!list) {
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list = localDevices[type] = [];
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}
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list.push(device);
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}
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exports.AddDevice = AddDevice;
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// Get the complete devices catalog.
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function GetDevices(bypassCache = false) {
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let deferred = promise.defer();
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// Fetch common devices from Mozilla's CDN.
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getJSON(DEVICES_URL, bypassCache).then(devices => {
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for (let type in localDevices) {
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if (!devices[type]) {
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devices.TYPES.push(type);
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devices[type] = [];
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}
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devices[type] = localDevices[type].concat(devices[type]);
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}
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deferred.resolve(devices);
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});
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return deferred.promise;
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}
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exports.GetDevices = GetDevices;
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// Get the localized string for a device type.
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function GetDeviceString(deviceType) {
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return Strings.GetStringFromName("device." + deviceType);
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}
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exports.GetDeviceString = GetDeviceString;
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