1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/renderer/extensions/tabs_custom_bindings.h" 6 7 #include <string> 8 9 #include "base/bind.h" 10 #include "chrome/common/extensions/extension_messages.h" 11 #include "content/public/renderer/render_view.h" 12 #include "grit/renderer_resources.h" 13 #include "v8/include/v8.h" 14 15 namespace extensions { 16 17 TabsCustomBindings::TabsCustomBindings(Dispatcher* dispatcher, 18 ChromeV8Context* context) 19 : ChromeV8Extension(dispatcher, context) { 20 RouteFunction("OpenChannelToTab", 21 base::Bind(&TabsCustomBindings::OpenChannelToTab, 22 base::Unretained(this))); 23 } 24 25 void TabsCustomBindings::OpenChannelToTab( 26 const v8::FunctionCallbackInfo<v8::Value>& args) { 27 // Get the current RenderView so that we can send a routed IPC message from 28 // the correct source. 29 content::RenderView* renderview = GetRenderView(); 30 if (!renderview) 31 return; 32 33 if (args.Length() >= 3 && args[0]->IsInt32() && args[1]->IsString() && 34 args[2]->IsString()) { 35 int tab_id = args[0]->Int32Value(); 36 std::string extension_id = *v8::String::Utf8Value(args[1]->ToString()); 37 std::string channel_name = *v8::String::Utf8Value(args[2]->ToString()); 38 int port_id = -1; 39 renderview->Send(new ExtensionHostMsg_OpenChannelToTab( 40 renderview->GetRoutingID(), tab_id, extension_id, channel_name, 41 &port_id)); 42 args.GetReturnValue().Set(static_cast<int32_t>(port_id)); 43 return; 44 } 45 } 46 47 } // namespace extensions 48