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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {Cc, Ci, Cu} = require("chrome");
const {deviceSpec} = require("devtools/shared/specs/device");
const protocol = require("devtools/shared/protocol");
const defer = require("devtools/shared/defer");
const DeviceFront = protocol.FrontClassWithSpec(deviceSpec, {
initialize: function (client, form) {
protocol.Front.prototype.initialize.call(this, client);
this.actorID = form.deviceActor;
this.manage(this);
},
screenshotToBlob: function () {
return this.screenshotToDataURL().then(longstr => {
return longstr.string().then(dataURL => {
let deferred = defer();
longstr.release().then(null, Cu.reportError);
let req = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Ci.nsIXMLHttpRequest);
req.open("GET", dataURL, true);
req.responseType = "blob";
req.onload = () => {
deferred.resolve(req.response);
};
req.onerror = () => {
deferred.reject(req.status);
};
req.send();
return deferred.promise;
});
});
},
});
const _knownDeviceFronts = new WeakMap();
exports.getDeviceFront = function (client, form) {
if (!form.deviceActor) {
return null;
}
if (_knownDeviceFronts.has(client)) {
return _knownDeviceFronts.get(client);
}
let front = new DeviceFront(client, form);
_knownDeviceFronts.set(client, front);
return front;
};
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