external/uBlock
1
0
Fork 0
mirror of https://github.com/gorhill/uBlock.git synced 2024-11-10 09:07:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

eliminate overhead of creating two funcs/closure for each port connection

Browse source
This commit is contained in:
Raymond Hill 2014-11-16 12:49:55 -02:00
parent 338bf59507
commit 91276bebfb
2 changed files with 66 additions and 45 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
meta/crx/vapi-background.js
View file

@ -219,6 +219,7 @@ vAPI.messaging = {
ports: {},
listeners: {},
defaultHandler: null,
NOOPFUNC: function(){},
UNHANDLED: 'vAPI.messaging.notHandled'
};
@ -230,49 +231,50 @@ vAPI.messaging.listen = function(listenerName, callback) {
/******************************************************************************/
vAPI.messaging.onConnect = function(port) {
var onMessage = function(request) {
var callback = function(response) {
if ( vAPI.lastError() || response === undefined ) {
return;
}
if ( request.requestId ) {
port.postMessage({
requestId: request.requestId,
portName: request.portName,
msg: response
});
}
vAPI.messaging.onPortMessage = function(request, port) {
var callback = vAPI.messaging.NOOPFUNC;
if ( request.requestId !== undefined ) {
callback = function(response) {
port.postMessage({
requestId: request.requestId,
portName: request.portName,
msg: response !== undefined ? response : null
});
};
}
// Specific handler
var r;
var listener = vAPI.messaging.listeners[request.portName];
if ( typeof listener === 'function' ) {
r = listener(request.msg, port.sender, callback);
}
if ( r !== vAPI.messaging.UNHANDLED ) {
return;
}
// Specific handler
var r;
var listener = vAPI.messaging.listeners[request.portName];
if ( typeof listener === 'function' ) {
r = listener(request.msg, port.sender, callback);
}
if ( r !== vAPI.messaging.UNHANDLED ) {
return;
}
// Default handler
r = vAPI.messaging.defaultHandler(request.msg, port.sender, callback);
if ( r !== vAPI.messaging.UNHANDLED ) {
return;
}
// Default handler
r = vAPI.messaging.defaultHandler(request.msg, port.sender, callback);
if ( r !== vAPI.messaging.UNHANDLED ) {
return;
}
console.error('µBlock> messaging > unknown request: %o', request);
};
console.error('µBlock> messaging > unknown request: %o', request);
};
var onDisconnect = function(port) {
port.onDisconnect.removeListener(onDisconnect);
port.onMessage.removeListener(onMessage);
delete vAPI.messaging.ports[port.name];
};
/******************************************************************************/
port.onDisconnect.addListener(onDisconnect);
port.onMessage.addListener(onMessage);
vAPI.messaging.onDisconnect = function(port) {
port.onDisconnect.removeListener(vAPI.messaging.onDisconnect);
port.onMessage.removeListener(vAPI.messaging.onPortMessage);
delete vAPI.messaging.ports[port.name];
};
/******************************************************************************/
vAPI.messaging.onConnect = function(port) {
port.onDisconnect.addListener(vAPI.messaging.onDisconnect);
port.onMessage.addListener(vAPI.messaging.onPortMessage);
vAPI.messaging.ports[port.name] = port;
};
@ -286,7 +288,7 @@ vAPI.messaging.setup = function(defaultHandler) {
if ( typeof defaultHandler !== 'function' ) {
defaultHandler = function(){ return null; };
};
}
this.defaultHandler = defaultHandler;
chrome.runtime.onConnect.addListener(this.onConnect);

33
src/js/messaging.js
View file

@ -26,13 +26,17 @@
/******************************************************************************/
/******************************************************************************/
// Message router and default handler
// Default handler
vAPI.messaging.setup(function(request, sender, callback) {
(function() {
/******************************************************************************/
var onMessage = function(request, sender, callback) {
var µb = µBlock;
// Async
switch ( request.what ) {
// Async
case 'getAssetContent':
µb.assets.getLocal(request.url, callback);
return;
@ -41,14 +45,21 @@ vAPI.messaging.setup(function(request, sender, callback) {
µb.loadUbiquitousWhitelists();
return;
// Sync
default:
break;
}
// Sync
var response;
switch ( request.what ) {
case 'contextMenuEvent':
µb.contextMenuClientX = request.clientX;
µb.contextMenuClientY = request.clientY;
break;
case 'getUserSettings':
callback(µb.userSettings);
response = µb.userSettings;
break;
case 'gotoURL':
@ -60,13 +71,21 @@ vAPI.messaging.setup(function(request, sender, callback) {
break;
case 'userSettings':
callback(µb.changeUserSettings(request.name, request.value));
response = µb.changeUserSettings(request.name, request.value);
break;
default:
return vAPI.messaging.UNHANDLED;
}
});
callback(response);
};
vAPI.messaging.setup(onMessage);
/******************************************************************************/
})();
/******************************************************************************/
/******************************************************************************/