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 "content/public/renderer/render_view.h"
11#include "extensions/common/extension_messages.h"
12#include "extensions/renderer/script_context.h"
13#include "v8/include/v8.h"
14
15namespace extensions {
16
17TabsCustomBindings::TabsCustomBindings(ScriptContext* context)
18    : ObjectBackedNativeHandler(context) {
19  RouteFunction("OpenChannelToTab",
20      base::Bind(&TabsCustomBindings::OpenChannelToTab,
21                 base::Unretained(this)));
22}
23
24void TabsCustomBindings::OpenChannelToTab(
25    const v8::FunctionCallbackInfo<v8::Value>& args) {
26  // Get the current RenderView so that we can send a routed IPC message from
27  // the correct source.
28  content::RenderView* renderview = context()->GetRenderView();
29  if (!renderview)
30    return;
31
32  if (args.Length() >= 3 && args[0]->IsInt32() && args[1]->IsString() &&
33      args[2]->IsString()) {
34    int tab_id = args[0]->Int32Value();
35    std::string extension_id = *v8::String::Utf8Value(args[1]->ToString());
36    std::string channel_name = *v8::String::Utf8Value(args[2]->ToString());
37    int port_id = -1;
38    renderview->Send(new ExtensionHostMsg_OpenChannelToTab(
39      renderview->GetRoutingID(), tab_id, extension_id, channel_name,
40        &port_id));
41    args.GetReturnValue().Set(static_cast<int32_t>(port_id));
42    return;
43  }
44}
45
46}  // namespace extensions
47