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code review

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This commit is contained in:
gorhill 2014-09-16 15:39:41 -04:00
parent fc66d2626b
commit 19c6155787
2 changed files with 22 additions and 17 deletions
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23
js/contentscript-start.js
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@ -56,7 +56,7 @@ var uBlockMessaging = (function(name){
return;
}
var callback = requestIdToCallbackMap[details.id];
if ( !callback ) {
if ( callback === undefined ) {
return;
}
// Must be removed before calling client to be sure to not execute
@ -117,7 +117,7 @@ var uBlockMessaging = (function(name){
continue;
}
callback = requestIdToCallbackMap[id];
if ( !callback ) {
if ( callback === undefined ) {
continue;
}
// Must be removed before calling client to be sure to not execute
@ -143,7 +143,12 @@ var uBlockMessaging = (function(name){
// These can be inserted before the DOM is loaded.
var cosmeticFilters = function(details) {
var style = document.createElement('style');
// Maybe uBlock's style tag was already injected?
var style = document.getElementById('ublock-preload-1ae7a5f130fc79b4fdb8a4272d9426b5');
if ( style !== null ) {
return;
}
style = document.createElement('style');
style.setAttribute('id', 'ublock-preload-1ae7a5f130fc79b4fdb8a4272d9426b5');
var donthide = details.cosmeticDonthide;
var hide = details.cosmeticHide;
@ -198,18 +203,18 @@ var netFilters = function(details) {
};
var filteringHandler = function(details) {
// The port will never be used again at this point, disconnecting allows
// the browser to flush this script from memory.
uBlockMessaging.stop();
if ( !details ) {
return;
}
if ( details ) {
if ( details.cosmeticHide.length !== 0 || details.cosmeticDonthide.length !== 0 ) {
cosmeticFilters(details);
}
if ( details.netHide.length !== 0 ) {
netFilters(details);
}
// The port will never be used again at this point, disconnecting allows
// the browser to flush this script from memory.
}
// Do not close the port before we are done.
uBlockMessaging.stop();
};
var hideElements = function(selectors) {

6
js/messaging.js
View File

@ -111,15 +111,15 @@ var announce = function(msg) {
/******************************************************************************/
var onMessage = function(request, port) {
var reqId = request.id;
// Annoucement: dispatch everywhere.
if ( request.id < 0 ) {
if ( reqId < 0 ) {
announce(request.msg);
return;
}
var listener = listenerFromPortName(port.name) || defaultHandler;
var reqId = request.id;
// Being told
if ( reqId <= 0 ) {
if ( reqId === 0 ) {
listener(request.msg, port.sender, nullFunc);
return;
}