| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Custom binding for the tabs API. |
| |
| var binding = require('binding').Binding.create('tabs'); |
| |
| var messaging = require('messaging'); |
| var tabsNatives = requireNative('tabs'); |
| var OpenChannelToTab = tabsNatives.OpenChannelToTab; |
| var sendRequestIsDisabled = requireNative('process').IsSendRequestDisabled(); |
| var forEach = require('utils').forEach; |
| |
| binding.registerCustomHook(function(bindingsAPI, extensionId) { |
| var apiFunctions = bindingsAPI.apiFunctions; |
| var tabs = bindingsAPI.compiledApi; |
| |
| apiFunctions.setHandleRequest('connect', function(tabId, connectInfo) { |
| var name = ''; |
| var frameId = -1; |
| if (connectInfo) { |
| name = connectInfo.name || name; |
| frameId = connectInfo.frameId; |
| if (typeof frameId == 'undefined' || frameId < 0) |
| frameId = -1; |
| } |
| var portId = OpenChannelToTab(tabId, frameId, extensionId, name); |
| return messaging.createPort(portId, name); |
| }); |
| |
| apiFunctions.setHandleRequest('sendRequest', |
| function(tabId, request, responseCallback) { |
| if (sendRequestIsDisabled) |
| throw new Error(sendRequestIsDisabled); |
| var port = tabs.connect(tabId, {name: messaging.kRequestChannel}); |
| messaging.sendMessageImpl(port, request, responseCallback); |
| }); |
| |
| apiFunctions.setHandleRequest('sendMessage', |
| function(tabId, message, options, responseCallback) { |
| var connectInfo = { |
| name: messaging.kMessageChannel |
| }; |
| if (options) { |
| forEach(options, function(k, v) { |
| connectInfo[k] = v; |
| }); |
| } |
| |
| var port = tabs.connect(tabId, connectInfo); |
| messaging.sendMessageImpl(port, message, responseCallback); |
| }); |
| }); |
| |
| exports.$set('binding', binding.generate()); |