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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/process_singleton.h" | 5 #include "chrome/browser/process_singleton.h" |
6 | 6 |
7 #include "base/base_paths.h" | 7 #include "base/base_paths.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/file_path.h" | 9 #include "base/file_path.h" |
10 #include "base/path_service.h" | 10 #include "base/path_service.h" |
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192 user_data_dir.value().c_str(), | 192 user_data_dir.value().c_str(), |
193 0, 0, 0, 0, 0, HWND_MESSAGE, 0, hinst, this); | 193 0, 0, 0, 0, 0, HWND_MESSAGE, 0, hinst, this); |
194 CHECK(window_); | 194 CHECK(window_); |
195 } | 195 } |
196 BOOL success = ReleaseMutex(only_me); | 196 BOOL success = ReleaseMutex(only_me); |
197 DCHECK(success) << "GetLastError = " << GetLastError(); | 197 DCHECK(success) << "GetLastError = " << GetLastError(); |
198 } | 198 } |
199 } | 199 } |
200 | 200 |
201 ProcessSingleton::~ProcessSingleton() { | 201 ProcessSingleton::~ProcessSingleton() { |
202 Cleanup(); | 202 Cleanup(); |
Jói
2012/06/15 10:04:57
nit: since Cleanup() is a no-op now, you could rem
| |
203 // Make sure we unregister the window class during normal shutdown as well. | |
204 UnregisterWindowClass(); | |
203 } | 205 } |
204 | 206 |
205 ProcessSingleton::NotifyResult ProcessSingleton::NotifyOtherProcess() { | 207 ProcessSingleton::NotifyResult ProcessSingleton::NotifyOtherProcess() { |
206 if (is_virtualized_) | 208 if (is_virtualized_) |
207 return PROCESS_NOTIFIED; // We already spawned the process in this case. | 209 return PROCESS_NOTIFIED; // We already spawned the process in this case. |
208 else if (!remote_window_) | 210 else if (!remote_window_) |
209 return PROCESS_NONE; | 211 return PROCESS_NONE; |
210 | 212 |
211 // Found another window, send our command line to it | 213 // Found another window, send our command line to it |
212 // format is "START\0<<<current directory>>>\0<<<commandline>>>". | 214 // format is "START\0<<<current directory>>>\0<<<commandline>>>". |
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295 DCHECK(!remote_window_); | 297 DCHECK(!remote_window_); |
296 DCHECK(notification_callback_.is_null()); | 298 DCHECK(notification_callback_.is_null()); |
297 | 299 |
298 if (window_ != NULL) | 300 if (window_ != NULL) |
299 notification_callback_ = notification_callback; | 301 notification_callback_ = notification_callback; |
300 | 302 |
301 return window_ != NULL; | 303 return window_ != NULL; |
302 } | 304 } |
303 | 305 |
304 void ProcessSingleton::Cleanup() { | 306 void ProcessSingleton::Cleanup() { |
307 } | |
308 | |
309 void ProcessSingleton::UnregisterWindowClass() { | |
305 // Window classes registered by DLLs are not cleaned up automatically on | 310 // Window classes registered by DLLs are not cleaned up automatically on |
306 // process exit, so we must unregister at the earliest chance possible. | 311 // process exit, so we must unregister at the earliest chance possible. |
307 // During the fast shutdown sequence, ProcessSingleton::Cleanup() is | |
308 // called if our process was the first to start. Therefore we try cleaning | |
309 // up here, and again in the destructor if needed to catch as many cases | |
310 // as possible. | |
311 if (window_) { | 312 if (window_) { |
312 ::DestroyWindow(window_); | 313 ::DestroyWindow(window_); |
313 ::UnregisterClass(chrome::kMessageWindowClass, | 314 ::UnregisterClass(chrome::kMessageWindowClass, |
314 base::GetModuleFromAddress(&ThunkWndProc)); | 315 base::GetModuleFromAddress(&ThunkWndProc)); |
315 window_ = NULL; | 316 window_ = NULL; |
316 } | 317 } |
317 } | 318 } |
318 | 319 |
319 LRESULT ProcessSingleton::OnCopyData(HWND hwnd, const COPYDATASTRUCT* cds) { | 320 LRESULT ProcessSingleton::OnCopyData(HWND hwnd, const COPYDATASTRUCT* cds) { |
320 // If locked, it means we are not ready to process this message because | 321 // If locked, it means we are not ready to process this message because |
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352 switch (message) { | 353 switch (message) { |
353 case WM_COPYDATA: | 354 case WM_COPYDATA: |
354 return OnCopyData(reinterpret_cast<HWND>(wparam), | 355 return OnCopyData(reinterpret_cast<HWND>(wparam), |
355 reinterpret_cast<COPYDATASTRUCT*>(lparam)); | 356 reinterpret_cast<COPYDATASTRUCT*>(lparam)); |
356 default: | 357 default: |
357 break; | 358 break; |
358 } | 359 } |
359 | 360 |
360 return ::DefWindowProc(hwnd, message, wparam, lparam); | 361 return ::DefWindowProc(hwnd, message, wparam, lparam); |
361 } | 362 } |
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