Upstream version 8.37.180.0
[platform/framework/web/crosswalk.git] / src / content / browser / mojo / mojo_application_host.cc
1 // Copyright 2014 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 "content/browser/mojo/mojo_application_host.h"
6
7 #include "content/common/mojo/mojo_messages.h"
8 #include "content/public/browser/browser_thread.h"
9 #include "ipc/ipc_sender.h"
10 #include "mojo/embedder/platform_channel_pair.h"
11
12 namespace content {
13 namespace {
14
15 base::PlatformFile PlatformFileFromScopedPlatformHandle(
16     mojo::embedder::ScopedPlatformHandle handle) {
17 #if defined(OS_POSIX)
18   return handle.release().fd;
19 #elif defined(OS_WIN)
20   return handle.release().handle;
21 #endif
22 }
23
24 }  // namespace
25
26 MojoApplicationHost::MojoApplicationHost() : did_activate_(false) {
27 }
28
29 MojoApplicationHost::~MojoApplicationHost() {
30 }
31
32 bool MojoApplicationHost::Init() {
33   DCHECK(!child_service_provider_.get()) << "Already initialized!";
34
35   mojo::embedder::PlatformChannelPair channel_pair;
36
37   mojo::ScopedMessagePipeHandle message_pipe = channel_init_.Init(
38       PlatformFileFromScopedPlatformHandle(channel_pair.PassServerHandle()),
39       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
40   if (!message_pipe.is_valid())
41     return false;
42
43   // Forward this to the client once we know its process handle.
44   client_handle_ = channel_pair.PassClientHandle();
45
46   child_service_provider_.reset(
47       BindToPipe(new ServiceProviderImpl(), message_pipe.Pass()));
48   return true;
49 }
50
51 bool MojoApplicationHost::Activate(IPC::Sender* sender,
52                                    base::ProcessHandle process_handle) {
53   DCHECK(!did_activate_);
54   DCHECK(client_handle_.is_valid());
55
56   base::PlatformFile client_file =
57       PlatformFileFromScopedPlatformHandle(client_handle_.Pass());
58   did_activate_ = sender->Send(new MojoMsg_Activate(
59       IPC::GetFileHandleForProcess(client_file, process_handle, true)));
60   return did_activate_;
61 }
62
63 void MojoApplicationHost::ServiceProviderImpl::ConnectToService(
64     const mojo::String& service_url,
65     const mojo::String& service_name,
66     mojo::ScopedMessagePipeHandle handle,
67     const mojo::String& requestor_url) {
68   // TODO(darin): Provide something meaningful here.
69 }
70
71 }  // namespace content