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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/. */
var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
"resource://gre/modules/PrivateBrowsingUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Snackbars", "resource://gre/modules/Snackbars.jsm");
var WebcompatReporter = {
menuItem: null,
menuItemEnabled: null,
init: function() {
Services.obs.addObserver(this, "DesktopMode:Change", false);
Services.obs.addObserver(this, "chrome-document-global-created", false);
Services.obs.addObserver(this, "content-document-global-created", false);
let visible = true;
if ("@mozilla.org/parental-controls-service;1" in Cc) {
let pc = Cc["@mozilla.org/parental-controls-service;1"].createInstance(Ci.nsIParentalControlsService);
visible = !pc.parentalControlsEnabled;
}
this.addMenuItem(visible);
},
observe: function(subject, topic, data) {
if (topic == "content-document-global-created" || topic == "chrome-document-global-created") {
let win = subject;
let currentURI = win.document.documentURI;
// Ignore non top-level documents
if (currentURI !== win.top.location.href) {
return;
}
if (!this.menuItemEnabled && this.isReportableUrl(currentURI)) {
NativeWindow.menu.update(this.menuItem, {enabled: true});
this.menuItemEnabled = true;
} else if (this.menuItemEnabled && !this.isReportableUrl(currentURI)) {
NativeWindow.menu.update(this.menuItem, {enabled: false});
this.menuItemEnabled = false;
}
} else if (topic === "DesktopMode:Change") {
let args = JSON.parse(data);
let tab = BrowserApp.getTabForId(args.tabId);
let currentURI = tab.browser.currentURI.spec;
if (args.desktopMode && this.isReportableUrl(currentURI)) {
this.reportDesktopModePrompt(tab);
}
}
},
addMenuItem: function(visible) {
this.menuItem = NativeWindow.menu.add({
name: this.strings.GetStringFromName("webcompat.menu.name"),
callback: () => {
Promise.resolve(BrowserApp.selectedTab).then(this.getScreenshot)
.then(this.reportIssue)
.catch(Cu.reportError);
},
enabled: false,
visible: visible,
});
},
getScreenshot: (tab) => {
return new Promise((resolve) => {
try {
let win = tab.window;
let dpr = win.devicePixelRatio;
let canvas = win.document.createElement("canvas");
let ctx = canvas.getContext("2d");
// Grab the visible viewport coordinates
let x = win.document.documentElement.scrollLeft;
let y = win.document.documentElement.scrollTop;
let w = win.innerWidth;
let h = win.innerHeight;
// Scale according to devicePixelRatio and coordinates
canvas.width = dpr * w;
canvas.height = dpr * h;
ctx.scale(dpr, dpr);
ctx.drawWindow(win, x, y, w, h, '#ffffff');
let screenshot = canvas.toDataURL();
resolve({tab: tab, data: screenshot});
} catch (e) {
// drawWindow can fail depending on memory or surface size. Rather than reject here,
// we resolve the URL so the user can continue to file an issue without a screenshot.
Cu.reportError("WebCompatReporter: getting a screenshot failed: " + e);
resolve({tab: tab});
}
});
},
isReportableUrl: function(url) {
return url && !(url.startsWith("about") ||
url.startsWith("chrome") ||
url.startsWith("file") ||
url.startsWith("resource"));
},
reportDesktopModePrompt: function(tab) {
let message = this.strings.GetStringFromName("webcompat.reportDesktopMode.message");
let options = {
action: {
label: this.strings.GetStringFromName("webcompat.reportDesktopModeYes.label"),
callback: () => this.reportIssue({tab: tab})
}
};
Snackbars.show(message, Snackbars.LENGTH_LONG, options);
},
reportIssue: (tabData) => {
return new Promise((resolve) => {
const WEBCOMPAT_ORIGIN = "https://webcompat.com";
let url = tabData.tab.browser.currentURI.spec
let webcompatURL = `${WEBCOMPAT_ORIGIN}/issues/new?url=${url}`;
if (tabData.data && typeof tabData.data === "string") {
BrowserApp.deck.addEventListener("DOMContentLoaded", function sendDataToTab(event) {
BrowserApp.deck.removeEventListener("DOMContentLoaded", sendDataToTab, false);
if (event.target.defaultView.location.origin === WEBCOMPAT_ORIGIN) {
// Waive Xray vision so event.origin is not chrome://browser on the other side.
let win = Cu.waiveXrays(event.target.defaultView);
win.postMessage(tabData.data, WEBCOMPAT_ORIGIN);
}
}, false);
}
let isPrivateTab = PrivateBrowsingUtils.isBrowserPrivate(tabData.tab.browser);
BrowserApp.addTab(webcompatURL, {parentId: tabData.tab.id, isPrivate: isPrivateTab});
resolve();
});
}
};
XPCOMUtils.defineLazyGetter(WebcompatReporter, "strings", function() {
return Services.strings.createBundle("chrome://browser/locale/webcompatReporter.properties");
});
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