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 72