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| 1 // Copyright (c) 2013 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 "win8/viewer/metro_viewer_process_host.h" |
| 6 |
| 7 #include <shlobj.h> |
| 8 |
| 9 #include "base/command_line.h" |
| 10 #include "base/file_util.h" |
| 11 #include "base/files/file_path.h" |
| 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/process.h" |
| 14 #include "base/string16.h" |
| 15 #include "base/synchronization/waitable_event.h" |
| 16 #include "base/time.h" |
| 17 #include "base/win/scoped_comptr.h" |
| 18 #include "ipc/ipc_message.h" |
| 19 #include "ipc/ipc_message_macros.h" |
| 20 #include "ui/aura/remote_root_window_host_win.h" |
| 21 #include "ui/metro_viewer/metro_viewer_messages.h" |
| 22 |
| 23 namespace win8 { |
| 24 |
| 25 MetroViewerProcessHost::InternalMessageFilter::InternalMessageFilter( |
| 26 MetroViewerProcessHost* owner) : owner_(owner) { |
| 27 } |
| 28 |
| 29 void MetroViewerProcessHost::InternalMessageFilter::OnChannelConnected( |
| 30 int32 /* peer_pid */) { |
| 31 owner_->NotifyChannelConnected(); |
| 32 } |
| 33 |
| 34 MetroViewerProcessHost::MetroViewerProcessHost( |
| 35 const std::string& ipc_channel_name, |
| 36 base::SingleThreadTaskRunner* ipc_task_runner) { |
| 37 |
| 38 channel_.reset(new IPC::ChannelProxy( |
| 39 ipc_channel_name.c_str(), |
| 40 IPC::Channel::MODE_NAMED_SERVER, |
| 41 this, |
| 42 ipc_task_runner)); |
| 43 } |
| 44 |
| 45 MetroViewerProcessHost::~MetroViewerProcessHost() { |
| 46 } |
| 47 |
| 48 base::ProcessId MetroViewerProcessHost::GetViewerProcessId() { |
| 49 if (channel_) |
| 50 return channel_->peer_pid(); |
| 51 return base::kNullProcessId; |
| 52 } |
| 53 |
| 54 bool MetroViewerProcessHost::LaunchViewerAndWaitForConnection( |
| 55 const base::string16& app_user_model_id) { |
| 56 DCHECK_EQ(base::kNullProcessId, channel_->peer_pid()); |
| 57 |
| 58 channel_connected_event_.reset(new base::WaitableEvent(false, false)); |
| 59 |
| 60 scoped_refptr<InternalMessageFilter> message_filter( |
| 61 new InternalMessageFilter(this)); |
| 62 channel_->AddFilter(message_filter); |
| 63 |
| 64 base::win::ScopedComPtr<IApplicationActivationManager> activator; |
| 65 HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager); |
| 66 if (SUCCEEDED(hr)) { |
| 67 DWORD pid = 0; |
| 68 hr = activator->ActivateApplication( |
| 69 app_user_model_id.c_str(), L"open", AO_NONE, &pid); |
| 70 } |
| 71 |
| 72 LOG_IF(ERROR, FAILED(hr)) << "Tried and failed to launch Metro Chrome. " |
| 73 << "hr=" << std::hex << hr; |
| 74 |
| 75 // Having launched the viewer process, now we wait for it to connect. |
| 76 bool success = |
| 77 channel_connected_event_->TimedWait(base::TimeDelta::FromSeconds(60)); |
| 78 channel_connected_event_.reset(); |
| 79 |
| 80 // |message_filter| is only used to signal |channel_connected_event_| above |
| 81 // and can thus be removed after |channel_connected_event_| is no longer |
| 82 // waiting. |
| 83 channel_->RemoveFilter(message_filter); |
| 84 return success; |
| 85 } |
| 86 |
| 87 bool MetroViewerProcessHost::Send(IPC::Message* msg) { |
| 88 return channel_->Send(msg); |
| 89 } |
| 90 |
| 91 bool MetroViewerProcessHost::OnMessageReceived( |
| 92 const IPC::Message& message) { |
| 93 DCHECK(CalledOnValidThread()); |
| 94 bool handled = true; |
| 95 IPC_BEGIN_MESSAGE_MAP(MetroViewerProcessHost, message) |
| 96 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetTargetSurface, OnSetTargetSurface) |
| 97 IPC_MESSAGE_UNHANDLED(handled = false) |
| 98 IPC_END_MESSAGE_MAP() |
| 99 return handled ? true : |
| 100 aura::RemoteRootWindowHostWin::Instance()->OnMessageReceived(message); |
| 101 } |
| 102 |
| 103 void MetroViewerProcessHost::NotifyChannelConnected() { |
| 104 if (channel_connected_event_) |
| 105 channel_connected_event_->Signal(); |
| 106 } |
| 107 |
| 108 } // namespace win8 |
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