gecko-dev/browser/actors/ClickHandlerParent.jsm

138 строки
4.1 KiB
JavaScript

/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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";
var EXPORTED_SYMBOLS = ["ClickHandlerParent"];
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.defineModuleGetter(
this,
"PlacesUIUtils",
"resource:///modules/PlacesUIUtils.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"PrivateBrowsingUtils",
"resource://gre/modules/PrivateBrowsingUtils.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"E10SUtils",
"resource://gre/modules/E10SUtils.jsm"
);
let gContentClickListeners = new Set();
class ClickHandlerParent extends JSWindowActorParent {
static addContentClickListener(listener) {
gContentClickListeners.add(listener);
}
static removeContentClickListener(listener) {
gContentClickListeners.delete(listener);
}
receiveMessage(message) {
switch (message.name) {
case "Content:Click":
this.contentAreaClick(message.data);
this.notifyClickListeners(message.data);
break;
}
}
/**
* Handles clicks in the content area.
*
* @param data {Object} object that looks like an Event
* @param browser {Element<browser>}
*/
contentAreaClick(data) {
// This is heavily based on contentAreaClick from browser.js (Bug 903016)
// The data is set up in a way to look like an Event.
let browser = this.manager.browsingContext.top.embedderElement;
if (browser.outerBrowser) {
browser = browser.outerBrowser; // handle RDM mode
}
let window = browser.ownerGlobal;
if (!data.href) {
// Might be middle mouse navigation.
if (
Services.prefs.getBoolPref("middlemouse.contentLoadURL") &&
!Services.prefs.getBoolPref("general.autoScroll")
) {
window.middleMousePaste(data);
}
return;
}
// If the browser is not in a place where we can open links, bail out.
// This can happen in osx sheets, dialogs, etc. that are not browser
// windows. Specifically the payments UI is in an osx sheet.
if (window.openLinkIn === undefined) {
return;
}
// Mark the page as a user followed link. This is done so that history can
// distinguish automatic embed visits from user activated ones. For example
// pages loaded in frames are embed visits and lost with the session, while
// visits across frames should be preserved.
try {
if (!PrivateBrowsingUtils.isWindowPrivate(window)) {
PlacesUIUtils.markPageAsFollowedLink(data.href);
}
} catch (ex) {
/* Skip invalid URIs. */
}
// This part is based on handleLinkClick.
var where = window.whereToOpenLink(data);
if (where == "current") {
return;
}
// Todo(903022): code for where == save
let params = {
charset: browser.characterSet,
referrerInfo: E10SUtils.deserializeReferrerInfo(data.referrerInfo),
allowMixedContent: data.allowMixedContent,
isContentWindowPrivate: data.isContentWindowPrivate,
originPrincipal: data.originPrincipal,
originStoragePrincipal: data.originStoragePrincipal,
triggeringPrincipal: data.triggeringPrincipal,
csp: data.csp ? E10SUtils.deserializeCSP(data.csp) : null,
frameOuterWindowID: data.frameOuterWindowID,
};
// The new tab/window must use the same userContextId.
if (data.originAttributes.userContextId) {
params.userContextId = data.originAttributes.userContextId;
}
params.allowInheritPrincipal = true;
window.openLinkIn(data.href, where, params);
}
notifyClickListeners(data) {
for (let listener of gContentClickListeners) {
try {
let browser = this.browsingContext.top.embedderElement;
if (browser.outerBrowser) {
browser = browser.outerBrowser; // Special-case responsive design mode
}
listener.onContentClick(browser, data);
} catch (ex) {
Cu.reportError(ex);
}
}
}
}