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/*
* This file is part of Adblock Plus <https://adblockplus.org/>,
* Copyright (C) 2006-2017 eyeo GmbH
*
* Adblock Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Adblock Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
let {Services} = Cu.import("resource://gre/modules/Services.jsm", {});
let {port} = require("messaging");
let {ElemHide} = require("elemHide");
let {FilterNotifier} = require("filterNotifier");
let {FilterStorage} = require("filterStorage");
let {Prefs} = require("prefs");
let {Policy} = require("contentPolicy");
let {Utils} = require("utils");
let isDirty = false;
FilterNotifier.on("elemhideupdate", () =>
{
// Notify content process asynchronously, only one message per update batch.
if (!isDirty)
{
isDirty = true;
Utils.runAsync(() => {
isDirty = false;
port.emit("elemhideupdate")
});
}
});
port.on("getUnconditionalSelectors", () =>
{
return [
ElemHide.getUnconditionalSelectors(),
ElemHide.getUnconditionalFilterKeys()
];
});
port.on("getSelectorsForDomain", ([domain, specificOnly]) =>
{
let type = specificOnly ? ElemHide.SPECIFIC_ONLY : ElemHide.NO_UNCONDITIONAL;
return ElemHide.getSelectorsForDomain(domain, type, true);
});
port.on("elemhideEnabled", ({frames, isPrivate}) =>
{
if (!Prefs.enabled || !Policy.isBlockableScheme(frames[0].location))
return {enabled: false};
let hit = Policy.isFrameWhitelisted(frames, true);
if (hit)
{
let [frameIndex, contentType, docDomain, thirdParty, location, filter] = hit;
if (!isPrivate)
FilterStorage.increaseHitCount(filter);
return {
enabled: contentType == "GENERICHIDE",
contentType, docDomain, thirdParty, location,
filter: filter.text, filterType: filter.type
};
}
return {enabled: true};
});
port.on("registerElemHideHit", ({key, frames, isPrivate}) =>
{
let filter = ElemHide.getFilterByKey(key);
if (!filter)
return null;
if (!isPrivate)
FilterStorage.increaseHitCount(filter);
let docDomain;
try
{
docDomain = Utils.unwrapURL(frames[0].location).host;
}
catch(e)
{
docDomain = null;
}
return {
contentType: "ELEMHIDE",
docDomain,
thirdParty: false,
location: filter.text.replace(/^.*?#/, '#'),
filter: filter.text,
filterType: filter.type
};
});
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