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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 "base/message_loop/message_pump_win.h" | 5 #include "base/message_loop/message_pump_win.h" |
| 6 | 6 |
| 7 #include <limits> | 7 #include <limits> |
| 8 #include <math.h> | 8 #include <math.h> |
| 9 | 9 |
| 10 #include "base/debug/trace_event.h" | |
| 11 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
| 12 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
| 13 #include "base/process/memory.h" | 12 #include "base/process/memory.h" |
| 14 #include "base/profiler/scoped_tracker.h" | 13 #include "base/profiler/scoped_tracker.h" |
| 15 #include "base/strings/stringprintf.h" | 14 #include "base/strings/stringprintf.h" |
| 15 #include "base/trace_event/trace_event.h" |
| 16 #include "base/win/wrapped_window_proc.h" | 16 #include "base/win/wrapped_window_proc.h" |
| 17 | 17 |
| 18 namespace base { | 18 namespace base { |
| 19 | 19 |
| 20 namespace { | 20 namespace { |
| 21 | 21 |
| 22 enum MessageLoopProblems { | 22 enum MessageLoopProblems { |
| 23 MESSAGE_POST_ERROR, | 23 MESSAGE_POST_ERROR, |
| 24 COMPLETION_POST_ERROR, | 24 COMPLETION_POST_ERROR, |
| 25 SET_TIMER_ERROR, | 25 SET_TIMER_ERROR, |
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| 158 MESSAGE_LOOP_PROBLEM_MAX); | 158 MESSAGE_LOOP_PROBLEM_MAX); |
| 159 } | 159 } |
| 160 | 160 |
| 161 //----------------------------------------------------------------------------- | 161 //----------------------------------------------------------------------------- |
| 162 // MessagePumpForUI private: | 162 // MessagePumpForUI private: |
| 163 | 163 |
| 164 // static | 164 // static |
| 165 LRESULT CALLBACK MessagePumpForUI::WndProcThunk( | 165 LRESULT CALLBACK MessagePumpForUI::WndProcThunk( |
| 166 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { | 166 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { |
| 167 // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed. | 167 // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed. |
| 168 tracked_objects::ScopedTracker tracking_profile( | 168 tracked_objects::ScopedTracker tracking_profile1( |
| 169 FROM_HERE_WITH_EXPLICIT_FUNCTION( | 169 FROM_HERE_WITH_EXPLICIT_FUNCTION( |
| 170 "440919 MessagePumpForUI::WndProcThunk")); | 170 "440919 MessagePumpForUI::WndProcThunk1")); |
| 171 | 171 |
| 172 switch (message) { | 172 switch (message) { |
| 173 case kMsgHaveWork: | 173 case kMsgHaveWork: |
| 174 reinterpret_cast<MessagePumpForUI*>(wparam)->HandleWorkMessage(); | 174 reinterpret_cast<MessagePumpForUI*>(wparam)->HandleWorkMessage(); |
| 175 break; | 175 break; |
| 176 case WM_TIMER: | 176 case WM_TIMER: |
| 177 reinterpret_cast<MessagePumpForUI*>(wparam)->HandleTimerMessage(); | 177 reinterpret_cast<MessagePumpForUI*>(wparam)->HandleTimerMessage(); |
| 178 break; | 178 break; |
| 179 } | 179 } |
| 180 |
| 181 // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed. |
| 182 tracked_objects::ScopedTracker tracking_profile2( |
| 183 FROM_HERE_WITH_EXPLICIT_FUNCTION( |
| 184 "440919 MessagePumpForUI::WndProcThunk2")); |
| 185 |
| 180 return DefWindowProc(hwnd, message, wparam, lparam); | 186 return DefWindowProc(hwnd, message, wparam, lparam); |
| 181 } | 187 } |
| 182 | 188 |
| 183 void MessagePumpForUI::DoRunLoop() { | 189 void MessagePumpForUI::DoRunLoop() { |
| 184 // IF this was just a simple PeekMessage() loop (servicing all possible work | 190 // IF this was just a simple PeekMessage() loop (servicing all possible work |
| 185 // queues), then Windows would try to achieve the following order according | 191 // queues), then Windows would try to achieve the following order according |
| 186 // to MSDN documentation about PeekMessage with no filter): | 192 // to MSDN documentation about PeekMessage with no filter): |
| 187 // * Sent messages | 193 // * Sent messages |
| 188 // * Posted messages | 194 // * Posted messages |
| 189 // * Sent messages (again) | 195 // * Sent messages (again) |
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| 677 | 683 |
| 678 // static | 684 // static |
| 679 MessagePumpForIO::IOHandler* MessagePumpForIO::KeyToHandler( | 685 MessagePumpForIO::IOHandler* MessagePumpForIO::KeyToHandler( |
| 680 ULONG_PTR key, | 686 ULONG_PTR key, |
| 681 bool* has_valid_io_context) { | 687 bool* has_valid_io_context) { |
| 682 *has_valid_io_context = ((key & 1) == 0); | 688 *has_valid_io_context = ((key & 1) == 0); |
| 683 return reinterpret_cast<IOHandler*>(key & ~static_cast<ULONG_PTR>(1)); | 689 return reinterpret_cast<IOHandler*>(key & ~static_cast<ULONG_PTR>(1)); |
| 684 } | 690 } |
| 685 | 691 |
| 686 } // namespace base | 692 } // namespace base |
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