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further separate platform-specific code

pull/2/head
Raymond Hill 10 years ago
committed by gorhill
parent
commit
d09bbb3e1e
  1. 329
      meta/crx/vapi-background.js

329
meta/crx/vapi-background.js

@ -0,0 +1,329 @@
/*******************************************************************************
µBlock - a Chromium browser extension to block requests.
Copyright (C) 2014 The µBlock authors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
// For background page
/* global SafariBrowserTab, Services, XPCOMUtils */
/******************************************************************************/
(function() {
'use strict';
/******************************************************************************/
self.vAPI = self.vAPI || {};
var vAPI = self.vAPI;
var chrome = self.chrome;
vAPI.chrome = true;
/******************************************************************************/
vAPI.storage = chrome.storage.local;
/******************************************************************************/
vAPI.tabs = {
registerListeners: function() {
if (typeof this.onNavigation === 'function') {
chrome.webNavigation.onCommitted.addListener(this.onNavigation);
}
if (typeof this.onUpdated === 'function') {
chrome.tabs.onUpdated.addListener(this.onUpdated);
}
if (typeof this.onClosed === 'function') {
chrome.tabs.onRemoved.addListener(this.onClosed);
}
if (typeof this.onPopup === 'function') {
chrome.webNavigation.onCreatedNavigationTarget.addListener(this.onPopup);
}
},
get: function(tabId, callback) {
if (tabId === null) {
chrome.tabs.query(
{
active: true,
currentWindow: true
},
function(tabs) {
callback(tabs[0]);
}
);
}
else {
chrome.tabs.get(tabId, callback);
}
},
/*open: function(details) {
// to keep incognito context?
chrome.windows.getCurrent(function(win) {
details.windowId = win.windowId;
chrome.tabs.create(details);
});
},*/
open: function(details) {
if (!details.url) {
return null;
}
// extension pages
else if (!details.url.match(/^\w{2,20}:/)) {
details.url = vAPI.getURL(details.url);
}
// dealing with Chrome's asynhronous API
var wrapper = function() {
if (details.active === undefined) {
details.active = true;
}
var subWrapper = function() {
var _details = {
url: details.url,
active: !!details.active
};
if (details.tabId) {
// update doesn't accept index, must use move
chrome.tabs.update(details.tabId, _details, function(tab) {
// if the tab doesn't exist
if (chrome.runtime.lastError) {
chrome.tabs.create(_details);
}
else if (details.index !== undefined) {
chrome.tabs.move(tab.id, {index: details.index});
}
});
}
else {
if (details.index !== undefined) {
_details.index = details.index;
}
chrome.tabs.create(_details);
}
};
if (details.index === -1) {
vAPI.tabs.get(null, function(tab) {
if (tab) {
details.index = tab.index + 1;
}
else {
delete details.index;
}
subWrapper();
});
}
else {
subWrapper();
}
};
if (details.select) {
// note that currentWindow may be even the window of Developer Tools
// so, test with setTimeout...
chrome.tabs.query({currentWindow: true}, function(tabs) {
var url = details.url.replace(rgxHash, '');
// this is questionable
var rgxHash = /#.*/;
tabs = tabs.some(function(tab) {
if (tab.url.replace(rgxHash, '') === url) {
chrome.tabs.update(tab.id, {active: true});
return true;
}
});
if (!tabs) {
wrapper();
}
});
}
else {
wrapper();
}
},
close: chrome.tabs.remove.bind(chrome.tabs),
injectScript: function(tabId, details, callback) {
if (!callback) {
callback = function(){};
}
if (tabId) {
chrome.tabs.executeScript(tabId, details, callback);
}
else {
chrome.tabs.executeScript(details, callback);
}
}
};
/******************************************************************************/
// Must read: https://code.google.com/p/chromium/issues/detail?id=410868#c8
// https://github.com/gorhill/uBlock/issues/19
// https://github.com/gorhill/uBlock/issues/207
// Since we may be called asynchronously, the tab id may not exist
// anymore, so this ensures it does still exist.
vAPI.setIcon = function(tabId, img, badge) {
var onIconReady = function() {
if ( chrome.runtime.lastError ) {
return;
}
chrome.browserAction.setBadgeText({ tabId: tabId, text: badge });
if ( badge !== '' ) {
chrome.browserAction.setBadgeBackgroundColor({ tabId: tabId, color: '#666' });
}
};
chrome.browserAction.setIcon({ tabId: tabId, path: img }, onIconReady);
};
/******************************************************************************/
vAPI.messaging = {
ports: {},
listeners: {},
listen: function(listenerName, callback) {
this.listeners[listenerName] = callback;
},
setup: function(connector) {
if ( this.connector ) {
return;
}
this.connector = function(port) {
var onMessage = function(request) {
var callback = function(response) {
if (chrome.runtime.lastError || response === undefined) {
return;
}
if (request.requestId) {
port.postMessage({
requestId: request.requestId,
portName: request.portName,
msg: response
});
}
};
var listener = connector(request.msg, port.sender, callback);
if ( listener === null ) {
listener = vAPI.messaging.listeners[request.portName];
if (typeof listener === 'function') {
listener(request.msg, port.sender, callback);
} else {
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.ports[port.name] = port;
};
chrome.runtime.onConnect.addListener(this.connector);
},
broadcast: function(message) {
message = {
broadcast: true,
msg: message
};
for ( var portName in this.ports ) {
this.ports[portName].postMessage(message);
}
}
};
/******************************************************************************/
vAPI.net = {
registerListeners: function() {
var listeners = [
'onBeforeRequest',
'onBeforeSendHeaders',
'onHeadersReceived'
];
for (var i = 0; i < listeners.length; ++i) {
chrome.webRequest[listeners[i]].addListener(
this[listeners[i]].callback,
{
'urls': this[listeners[i]].urls || ['<all_urls>'],
'types': this[listeners[i]].types || []
},
this[listeners[i]].extra
);
}
}
};
/******************************************************************************/
vAPI.contextMenu = {
create: function(details, callback) {
this.menuId = details.id;
this.callback = callback;
chrome.contextMenus.create(details);
chrome.contextMenus.onClicked.addListener(this.callback);
},
remove: function() {
chrome.contextMenus.onClicked.removeListener(this.callback);
chrome.contextMenus.remove(this.menuId);
}
};
/******************************************************************************/
vAPI.lastError = function() {
return chrome.runtime.lastError;
};
/******************************************************************************/
})();
/******************************************************************************/
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