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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 #include <stdint.h> |
| 9 |
| 10 #include "base/command_line.h" |
| 11 #include "base/files/file_path.h" |
| 12 #include "base/files/file_util.h" |
| 13 #include "base/memory/ref_counted.h" |
| 14 #include "base/path_service.h" |
| 15 #include "base/process/process.h" |
| 16 #include "base/strings/string16.h" |
| 17 #include "base/synchronization/waitable_event.h" |
| 18 #include "base/time/time.h" |
| 19 #include "base/win/scoped_comptr.h" |
| 20 #include "base/win/windows_version.h" |
| 21 #include "ipc/ipc_channel_proxy.h" |
| 22 #include "ipc/ipc_message.h" |
| 23 #include "ipc/ipc_message_macros.h" |
| 24 #include "ui/aura/remote_window_tree_host_win.h" |
| 25 #include "ui/metro_viewer/metro_viewer_messages.h" |
| 26 #include "win8/viewer/metro_viewer_constants.h" |
| 27 |
| 28 namespace { |
| 29 |
| 30 const int kViewerProcessConnectionTimeoutSecs = 60; |
| 31 |
| 32 } // namespace |
| 33 |
| 34 namespace win8 { |
| 35 |
| 36 // static |
| 37 MetroViewerProcessHost* MetroViewerProcessHost::instance_ = NULL; |
| 38 |
| 39 MetroViewerProcessHost::InternalMessageFilter::InternalMessageFilter( |
| 40 MetroViewerProcessHost* owner) |
| 41 : owner_(owner) { |
| 42 } |
| 43 |
| 44 void MetroViewerProcessHost::InternalMessageFilter::OnChannelConnected( |
| 45 int32_t peer_pid) { |
| 46 owner_->NotifyChannelConnected(); |
| 47 } |
| 48 |
| 49 MetroViewerProcessHost::InternalMessageFilter::~InternalMessageFilter() { |
| 50 } |
| 51 |
| 52 MetroViewerProcessHost::MetroViewerProcessHost( |
| 53 const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner) { |
| 54 DCHECK(!instance_); |
| 55 instance_ = this; |
| 56 |
| 57 channel_ = IPC::ChannelProxy::Create(kMetroViewerIPCChannelName, |
| 58 IPC::Channel::MODE_NAMED_SERVER, |
| 59 this, |
| 60 ipc_task_runner); |
| 61 } |
| 62 |
| 63 MetroViewerProcessHost::~MetroViewerProcessHost() { |
| 64 if (!channel_) { |
| 65 instance_ = NULL; |
| 66 return; |
| 67 } |
| 68 |
| 69 base::ProcessId viewer_process_id = GetViewerProcessId(); |
| 70 channel_->Close(); |
| 71 if (message_filter_.get()) { |
| 72 // Wait for the viewer process to go away. |
| 73 if (viewer_process_id != base::kNullProcessId) { |
| 74 base::Process viewer_process = |
| 75 base::Process::OpenWithAccess( |
| 76 viewer_process_id, |
| 77 PROCESS_QUERY_INFORMATION | SYNCHRONIZE); |
| 78 if (viewer_process.IsValid()) { |
| 79 int exit_code; |
| 80 viewer_process.WaitForExit(&exit_code); |
| 81 } |
| 82 } |
| 83 channel_->RemoveFilter(message_filter_.get()); |
| 84 } |
| 85 instance_ = NULL; |
| 86 } |
| 87 |
| 88 base::ProcessId MetroViewerProcessHost::GetViewerProcessId() { |
| 89 if (channel_) |
| 90 return channel_->GetPeerPID(); |
| 91 return base::kNullProcessId; |
| 92 } |
| 93 |
| 94 bool MetroViewerProcessHost::LaunchViewerAndWaitForConnection( |
| 95 const base::string16& app_user_model_id) { |
| 96 DCHECK_EQ(base::kNullProcessId, channel_->GetPeerPID()); |
| 97 |
| 98 channel_connected_event_.reset(new base::WaitableEvent(false, false)); |
| 99 |
| 100 message_filter_ = new InternalMessageFilter(this); |
| 101 channel_->AddFilter(message_filter_.get()); |
| 102 |
| 103 if (base::win::GetVersion() >= base::win::VERSION_WIN8) { |
| 104 base::win::ScopedComPtr<IApplicationActivationManager> activator; |
| 105 HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager); |
| 106 if (SUCCEEDED(hr)) { |
| 107 DWORD pid = 0; |
| 108 // Use the "connect" verb to |
| 109 hr = activator->ActivateApplication( |
| 110 app_user_model_id.c_str(), kMetroViewerConnectVerb, AO_NONE, &pid); |
| 111 } |
| 112 |
| 113 LOG_IF(ERROR, FAILED(hr)) << "Tried and failed to launch Metro Chrome. " |
| 114 << "hr=" << std::hex << hr; |
| 115 } else { |
| 116 // For Windows 7 we need to launch the viewer ourselves. |
| 117 base::FilePath chrome_path; |
| 118 if (!PathService::Get(base::DIR_EXE, &chrome_path)) |
| 119 return false; |
| 120 // TODO(cpu): launch with "-ServerName:DefaultBrowserServer" |
| 121 // note that the viewer might try to launch chrome again. |
| 122 CHECK(false); |
| 123 } |
| 124 |
| 125 // Having launched the viewer process, now we wait for it to connect. |
| 126 bool success = |
| 127 channel_connected_event_->TimedWait(base::TimeDelta::FromSeconds( |
| 128 kViewerProcessConnectionTimeoutSecs)); |
| 129 channel_connected_event_.reset(); |
| 130 return success; |
| 131 } |
| 132 |
| 133 bool MetroViewerProcessHost::Send(IPC::Message* msg) { |
| 134 return channel_->Send(msg); |
| 135 } |
| 136 |
| 137 bool MetroViewerProcessHost::OnMessageReceived( |
| 138 const IPC::Message& message) { |
| 139 DCHECK(CalledOnValidThread()); |
| 140 bool handled = true; |
| 141 IPC_BEGIN_MESSAGE_MAP(MetroViewerProcessHost, message) |
| 142 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileSaveAsDone, |
| 143 OnFileSaveAsDone) |
| 144 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileOpenDone, |
| 145 OnFileOpenDone) |
| 146 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MultiFileOpenDone, |
| 147 OnMultiFileOpenDone) |
| 148 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_OpenURL, OnOpenURL) |
| 149 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SearchRequest, OnHandleSearchRequest) |
| 150 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SelectFolderDone, |
| 151 OnSelectFolderDone) |
| 152 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetTargetSurface, OnSetTargetSurface) |
| 153 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowSizeChanged, |
| 154 OnWindowSizeChanged) |
| 155 IPC_MESSAGE_UNHANDLED(handled = false) |
| 156 IPC_END_MESSAGE_MAP() |
| 157 return handled ? true : |
| 158 aura::RemoteWindowTreeHostWin::Instance()->OnMessageReceived(message); |
| 159 } |
| 160 |
| 161 // static |
| 162 void MetroViewerProcessHost::HandleActivateDesktop( |
| 163 const base::FilePath& path, |
| 164 bool ash_exit) { |
| 165 if (instance_) { |
| 166 instance_->Send( |
| 167 new MetroViewerHostMsg_ActivateDesktop(path, ash_exit)); |
| 168 } |
| 169 } |
| 170 |
| 171 // static |
| 172 void MetroViewerProcessHost::HandleMetroExit() { |
| 173 if (instance_) |
| 174 instance_->Send(new MetroViewerHostMsg_MetroExit()); |
| 175 } |
| 176 |
| 177 // static |
| 178 void MetroViewerProcessHost::HandleOpenFile( |
| 179 const base::string16& title, |
| 180 const base::FilePath& default_path, |
| 181 const base::string16& filter, |
| 182 const OpenFileCompletion& on_success, |
| 183 const FileSelectionCanceled& on_failure) { |
| 184 if (instance_) { |
| 185 instance_->HandleOpenFileImpl(title, default_path, filter, on_success, |
| 186 on_failure); |
| 187 } |
| 188 } |
| 189 |
| 190 // static |
| 191 void MetroViewerProcessHost::HandleOpenMultipleFiles( |
| 192 const base::string16& title, |
| 193 const base::FilePath& default_path, |
| 194 const base::string16& filter, |
| 195 const OpenMultipleFilesCompletion& on_success, |
| 196 const FileSelectionCanceled& on_failure) { |
| 197 if (instance_) { |
| 198 instance_->HandleOpenMultipleFilesImpl(title, default_path, filter, |
| 199 on_success, on_failure); |
| 200 } |
| 201 } |
| 202 |
| 203 // static |
| 204 void MetroViewerProcessHost::HandleSaveFile( |
| 205 const base::string16& title, |
| 206 const base::FilePath& default_path, |
| 207 const base::string16& filter, |
| 208 int filter_index, |
| 209 const base::string16& default_extension, |
| 210 const SaveFileCompletion& on_success, |
| 211 const FileSelectionCanceled& on_failure) { |
| 212 if (instance_) { |
| 213 instance_->HandleSaveFileImpl(title, default_path, filter, filter_index, |
| 214 default_extension, on_success, on_failure); |
| 215 } |
| 216 } |
| 217 |
| 218 // static |
| 219 void MetroViewerProcessHost::HandleSelectFolder( |
| 220 const base::string16& title, |
| 221 const SelectFolderCompletion& on_success, |
| 222 const FileSelectionCanceled& on_failure) { |
| 223 if (instance_) |
| 224 instance_->HandleSelectFolderImpl(title, on_success, on_failure); |
| 225 } |
| 226 |
| 227 void MetroViewerProcessHost::HandleOpenFileImpl( |
| 228 const base::string16& title, |
| 229 const base::FilePath& default_path, |
| 230 const base::string16& filter, |
| 231 const OpenFileCompletion& on_success, |
| 232 const FileSelectionCanceled& on_failure) { |
| 233 // Can only have one of these operations in flight. |
| 234 DCHECK(file_open_completion_callback_.is_null()); |
| 235 DCHECK(failure_callback_.is_null()); |
| 236 |
| 237 file_open_completion_callback_ = on_success; |
| 238 failure_callback_ = on_failure; |
| 239 |
| 240 Send(new MetroViewerHostMsg_DisplayFileOpen(title, filter, default_path, |
| 241 false)); |
| 242 } |
| 243 |
| 244 void MetroViewerProcessHost::HandleOpenMultipleFilesImpl( |
| 245 const base::string16& title, |
| 246 const base::FilePath& default_path, |
| 247 const base::string16& filter, |
| 248 const OpenMultipleFilesCompletion& on_success, |
| 249 const FileSelectionCanceled& on_failure) { |
| 250 // Can only have one of these operations in flight. |
| 251 DCHECK(multi_file_open_completion_callback_.is_null()); |
| 252 DCHECK(failure_callback_.is_null()); |
| 253 multi_file_open_completion_callback_ = on_success; |
| 254 failure_callback_ = on_failure; |
| 255 |
| 256 Send(new MetroViewerHostMsg_DisplayFileOpen(title, filter, default_path, |
| 257 true)); |
| 258 } |
| 259 |
| 260 void MetroViewerProcessHost::HandleSaveFileImpl( |
| 261 const base::string16& title, |
| 262 const base::FilePath& default_path, |
| 263 const base::string16& filter, |
| 264 int filter_index, |
| 265 const base::string16& default_extension, |
| 266 const SaveFileCompletion& on_success, |
| 267 const FileSelectionCanceled& on_failure) { |
| 268 MetroViewerHostMsg_SaveAsDialogParams params; |
| 269 params.title = title; |
| 270 params.default_extension = default_extension; |
| 271 params.filter = filter; |
| 272 params.filter_index = filter_index; |
| 273 params.suggested_name = default_path; |
| 274 |
| 275 // Can only have one of these operations in flight. |
| 276 DCHECK(file_saveas_completion_callback_.is_null()); |
| 277 DCHECK(failure_callback_.is_null()); |
| 278 file_saveas_completion_callback_ = on_success; |
| 279 failure_callback_ = on_failure; |
| 280 |
| 281 Send(new MetroViewerHostMsg_DisplayFileSaveAs(params)); |
| 282 } |
| 283 |
| 284 void MetroViewerProcessHost::HandleSelectFolderImpl( |
| 285 const base::string16& title, |
| 286 const SelectFolderCompletion& on_success, |
| 287 const FileSelectionCanceled& on_failure) { |
| 288 // Can only have one of these operations in flight. |
| 289 DCHECK(select_folder_completion_callback_.is_null()); |
| 290 DCHECK(failure_callback_.is_null()); |
| 291 select_folder_completion_callback_ = on_success; |
| 292 failure_callback_ = on_failure; |
| 293 |
| 294 Send(new MetroViewerHostMsg_DisplaySelectFolder(title)); |
| 295 } |
| 296 |
| 297 void MetroViewerProcessHost::NotifyChannelConnected() { |
| 298 if (channel_connected_event_) |
| 299 channel_connected_event_->Signal(); |
| 300 } |
| 301 |
| 302 void MetroViewerProcessHost::OnFileSaveAsDone(bool success, |
| 303 const base::FilePath& filename, |
| 304 int filter_index) { |
| 305 if (success) |
| 306 file_saveas_completion_callback_.Run(filename, filter_index, NULL); |
| 307 else |
| 308 failure_callback_.Run(NULL); |
| 309 file_saveas_completion_callback_.Reset(); |
| 310 failure_callback_.Reset(); |
| 311 } |
| 312 |
| 313 |
| 314 void MetroViewerProcessHost::OnFileOpenDone(bool success, |
| 315 const base::FilePath& filename) { |
| 316 if (success) |
| 317 file_open_completion_callback_.Run(base::FilePath(filename), 0, NULL); |
| 318 else |
| 319 failure_callback_.Run(NULL); |
| 320 file_open_completion_callback_.Reset(); |
| 321 failure_callback_.Reset(); |
| 322 } |
| 323 |
| 324 void MetroViewerProcessHost::OnMultiFileOpenDone( |
| 325 bool success, |
| 326 const std::vector<base::FilePath>& files) { |
| 327 if (success) |
| 328 multi_file_open_completion_callback_.Run(files, NULL); |
| 329 else |
| 330 failure_callback_.Run(NULL); |
| 331 multi_file_open_completion_callback_.Reset(); |
| 332 failure_callback_.Reset(); |
| 333 } |
| 334 |
| 335 void MetroViewerProcessHost::OnSelectFolderDone( |
| 336 bool success, |
| 337 const base::FilePath& folder) { |
| 338 if (success) |
| 339 select_folder_completion_callback_.Run(base::FilePath(folder), 0, NULL); |
| 340 else |
| 341 failure_callback_.Run(NULL); |
| 342 select_folder_completion_callback_.Reset(); |
| 343 failure_callback_.Reset(); |
| 344 } |
| 345 |
| 346 } // namespace win8 |
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