зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
1.3 KiB
JavaScript
42 строки
1.3 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 {Cu} = require("chrome");
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const {deviceSpec} = require("devtools/shared/specs/device");
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const { FrontClassWithSpec, registerFront } = require("devtools/shared/protocol");
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const defer = require("devtools/shared/defer");
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class DeviceFront extends FrontClassWithSpec(deviceSpec) {
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constructor(client) {
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super(client);
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// Attribute name from which to retrieve the actorID out of the target actor's form
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this.formAttributeName = "deviceActor";
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}
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screenshotToBlob() {
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return this.screenshotToDataURL().then(longstr => {
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return longstr.string().then(dataURL => {
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const deferred = defer();
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longstr.release().catch(Cu.reportError);
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const req = new XMLHttpRequest();
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req.open("GET", dataURL, true);
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req.responseType = "blob";
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req.onload = () => {
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deferred.resolve(req.response);
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};
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req.onerror = () => {
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deferred.reject(req.status);
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};
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req.send();
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return deferred.promise;
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});
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});
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}
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}
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exports.DeviceFront = DeviceFront;
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registerFront(DeviceFront);
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