forked from mirrors/gecko-dev
069403beb5
This should allow us to more quickly understand when site bustage is TP- or MC-related. If the tab had tracking content blocked, we capture if the user is using the basic or strict list, and set a label with that information. MozReview-Commit-ID: lkkZjo620E --HG-- extra : rebase_source : 93c679b5f93f69f0c380524d32003e331b9e10b5
43 lines
1.6 KiB
JavaScript
43 lines
1.6 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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/* eslint-env mozilla/frame-script */
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const TABDATA_MESSAGE = "WebCompat:SendTabData";
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let getScreenshot = function(win) {
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return new Promise(resolve => {
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let url = win.location.href;
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try {
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let dpr = win.devicePixelRatio;
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let canvas = win.document.createElement("canvas");
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let ctx = canvas.getContext("2d");
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let x = win.document.documentElement.scrollLeft;
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let y = win.document.documentElement.scrollTop;
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let w = win.innerWidth;
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let h = win.innerHeight;
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canvas.width = dpr * w;
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canvas.height = dpr * h;
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ctx.scale(dpr, dpr);
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ctx.drawWindow(win, x, y, w, h, "#fff");
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canvas.toBlob(blob => {
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resolve({
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blob,
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hasMixedActiveContentBlocked: docShell.hasMixedActiveContentBlocked,
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hasMixedDisplayContentBlocked: docShell.hasMixedDisplayContentBlocked,
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url,
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hasTrackingContentBlocked: docShell.hasTrackingContentBlocked
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});
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});
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} catch (ex) {
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// CanvasRenderingContext2D.drawWindow can fail depending on memory or
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// surface size. Rather than reject, resolve the URL so the user can
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// file an issue without a screenshot.
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Cu.reportError(`WebCompatReporter: getting a screenshot failed: ${ex}`);
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resolve({url});
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}
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});
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};
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getScreenshot(content).then(data => sendAsyncMessage(TABDATA_MESSAGE, data));
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