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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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.h" | 5 #include "base/message_loop.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/message_pump_default.h" | 12 #include "base/message_pump_default.h" |
13 #include "base/string_util.h" | 13 #include "base/string_util.h" |
14 #include "base/thread_local.h" | 14 #include "base/thread_local.h" |
15 | 15 |
16 #if defined(OS_MACOSX) | 16 #if defined(OS_MACOSX) |
17 #include "base/message_pump_mac.h" | 17 #include "base/message_pump_mac.h" |
18 #endif | 18 #endif |
19 #if defined(OS_POSIX) | 19 #if defined(OS_POSIX) |
20 #include "base/message_pump_libevent.h" | 20 #include "base/message_pump_libevent.h" |
21 #include "base/third_party/valgrind/valgrind.h" | 21 #include "base/third_party/valgrind/valgrind.h" |
22 #endif | 22 #endif |
23 #if defined(OS_LINUX) | 23 #if defined(OS_POSIX) && !defined(OS_MACOSX) |
24 #include "base/message_pump_glib.h" | 24 #include "base/message_pump_glib.h" |
25 #endif | 25 #endif |
26 | 26 |
27 using base::Time; | 27 using base::Time; |
28 using base::TimeDelta; | 28 using base::TimeDelta; |
29 | 29 |
30 // A lazily created thread local storage for quick access to a thread's message | 30 // A lazily created thread local storage for quick access to a thread's message |
31 // loop, if one exists. This should be safe and free of static constructors. | 31 // loop, if one exists. This should be safe and free of static constructors. |
32 static base::LazyInstance<base::ThreadLocalPointer<MessageLoop> > lazy_tls_ptr( | 32 static base::LazyInstance<base::ThreadLocalPointer<MessageLoop> > lazy_tls_ptr( |
33 base::LINKER_INITIALIZED); | 33 base::LINKER_INITIALIZED); |
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92 } else if (type_ == TYPE_IO) { | 92 } else if (type_ == TYPE_IO) { |
93 pump_ = new base::MessagePumpForIO(); | 93 pump_ = new base::MessagePumpForIO(); |
94 } else { | 94 } else { |
95 DCHECK(type_ == TYPE_UI); | 95 DCHECK(type_ == TYPE_UI); |
96 pump_ = new base::MessagePumpForUI(); | 96 pump_ = new base::MessagePumpForUI(); |
97 } | 97 } |
98 #elif defined(OS_POSIX) | 98 #elif defined(OS_POSIX) |
99 if (type_ == TYPE_UI) { | 99 if (type_ == TYPE_UI) { |
100 #if defined(OS_MACOSX) | 100 #if defined(OS_MACOSX) |
101 pump_ = base::MessagePumpMac::Create(); | 101 pump_ = base::MessagePumpMac::Create(); |
102 #elif defined(OS_LINUX) | 102 #else |
103 pump_ = new base::MessagePumpForUI(); | 103 pump_ = new base::MessagePumpForUI(); |
104 #endif // OS_LINUX | 104 #endif |
105 } else if (type_ == TYPE_IO) { | 105 } else if (type_ == TYPE_IO) { |
106 pump_ = new base::MessagePumpLibevent(); | 106 pump_ = new base::MessagePumpLibevent(); |
107 } else { | 107 } else { |
108 pump_ = new base::MessagePumpDefault(); | 108 pump_ = new base::MessagePumpDefault(); |
109 } | 109 } |
110 #endif // OS_POSIX | 110 #endif // OS_POSIX |
111 } | 111 } |
112 | 112 |
113 MessageLoop::~MessageLoop() { | 113 MessageLoop::~MessageLoop() { |
114 DCHECK(this == current()); | 114 DCHECK(this == current()); |
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187 return; | 187 return; |
188 } | 188 } |
189 #endif | 189 #endif |
190 //------------------------------------------------------------------------------ | 190 //------------------------------------------------------------------------------ |
191 | 191 |
192 void MessageLoop::RunInternal() { | 192 void MessageLoop::RunInternal() { |
193 DCHECK(this == current()); | 193 DCHECK(this == current()); |
194 | 194 |
195 StartHistogrammer(); | 195 StartHistogrammer(); |
196 | 196 |
197 #if defined(OS_WIN) || defined(OS_LINUX) | 197 #if !defined(OS_MACOSX) |
198 if (state_->dispatcher && type() == TYPE_UI) { | 198 if (state_->dispatcher && type() == TYPE_UI) { |
199 static_cast<base::MessagePumpForUI*>(pump_.get())-> | 199 static_cast<base::MessagePumpForUI*>(pump_.get())-> |
200 RunWithDispatcher(this, state_->dispatcher); | 200 RunWithDispatcher(this, state_->dispatcher); |
201 return; | 201 return; |
202 } | 202 } |
203 #endif | 203 #endif |
204 | 204 |
205 pump_->Run(this); | 205 pump_->Run(this); |
206 } | 206 } |
207 | 207 |
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480 previous_state_ = loop_->state_; | 480 previous_state_ = loop_->state_; |
481 if (previous_state_) { | 481 if (previous_state_) { |
482 run_depth = previous_state_->run_depth + 1; | 482 run_depth = previous_state_->run_depth + 1; |
483 } else { | 483 } else { |
484 run_depth = 1; | 484 run_depth = 1; |
485 } | 485 } |
486 loop_->state_ = this; | 486 loop_->state_ = this; |
487 | 487 |
488 // Initialize the other fields: | 488 // Initialize the other fields: |
489 quit_received = false; | 489 quit_received = false; |
490 #if defined(OS_WIN) || defined(OS_LINUX) | 490 #if !defined(OS_MACOSX) |
491 dispatcher = NULL; | 491 dispatcher = NULL; |
492 #endif | 492 #endif |
493 } | 493 } |
494 | 494 |
495 MessageLoop::AutoRunState::~AutoRunState() { | 495 MessageLoop::AutoRunState::~AutoRunState() { |
496 loop_->state_ = previous_state_; | 496 loop_->state_ = previous_state_; |
497 } | 497 } |
498 | 498 |
499 //------------------------------------------------------------------------------ | 499 //------------------------------------------------------------------------------ |
500 // MessageLoop::PendingTask | 500 // MessageLoop::PendingTask |
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584 } | 584 } |
585 void MessageLoopForUI::DidProcessMessage(const MSG& message) { | 585 void MessageLoopForUI::DidProcessMessage(const MSG& message) { |
586 pump_win()->DidProcessMessage(message); | 586 pump_win()->DidProcessMessage(message); |
587 } | 587 } |
588 void MessageLoopForUI::PumpOutPendingPaintMessages() { | 588 void MessageLoopForUI::PumpOutPendingPaintMessages() { |
589 pump_ui()->PumpOutPendingPaintMessages(); | 589 pump_ui()->PumpOutPendingPaintMessages(); |
590 } | 590 } |
591 | 591 |
592 #endif // defined(OS_WIN) | 592 #endif // defined(OS_WIN) |
593 | 593 |
594 #if defined(OS_LINUX) || defined(OS_WIN) | 594 #if !defined(OS_MACOSX) |
595 void MessageLoopForUI::AddObserver(Observer* observer) { | 595 void MessageLoopForUI::AddObserver(Observer* observer) { |
596 pump_ui()->AddObserver(observer); | 596 pump_ui()->AddObserver(observer); |
597 } | 597 } |
598 | 598 |
599 void MessageLoopForUI::RemoveObserver(Observer* observer) { | 599 void MessageLoopForUI::RemoveObserver(Observer* observer) { |
600 pump_ui()->RemoveObserver(observer); | 600 pump_ui()->RemoveObserver(observer); |
601 } | 601 } |
602 | 602 |
603 void MessageLoopForUI::Run(Dispatcher* dispatcher) { | 603 void MessageLoopForUI::Run(Dispatcher* dispatcher) { |
604 AutoRunState save_state(this); | 604 AutoRunState save_state(this); |
605 state_->dispatcher = dispatcher; | 605 state_->dispatcher = dispatcher; |
606 RunHandler(); | 606 RunHandler(); |
607 } | 607 } |
608 #endif // defined(OS_LINUX) || defined(OS_WIN) | 608 #endif // !defined(OS_MACOSX) |
609 | 609 |
610 //------------------------------------------------------------------------------ | 610 //------------------------------------------------------------------------------ |
611 // MessageLoopForIO | 611 // MessageLoopForIO |
612 | 612 |
613 #if defined(OS_WIN) | 613 #if defined(OS_WIN) |
614 | 614 |
615 void MessageLoopForIO::RegisterIOHandler(HANDLE file, IOHandler* handler) { | 615 void MessageLoopForIO::RegisterIOHandler(HANDLE file, IOHandler* handler) { |
616 pump_io()->RegisterIOHandler(file, handler); | 616 pump_io()->RegisterIOHandler(file, handler); |
617 } | 617 } |
618 | 618 |
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629 Watcher *delegate) { | 629 Watcher *delegate) { |
630 return pump_libevent()->WatchFileDescriptor( | 630 return pump_libevent()->WatchFileDescriptor( |
631 fd, | 631 fd, |
632 persistent, | 632 persistent, |
633 static_cast<base::MessagePumpLibevent::Mode>(mode), | 633 static_cast<base::MessagePumpLibevent::Mode>(mode), |
634 controller, | 634 controller, |
635 delegate); | 635 delegate); |
636 } | 636 } |
637 | 637 |
638 #endif | 638 #endif |
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