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| 1 // Copyright 2011 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 "cc/trees/proxy.h" | |
| 6 | |
| 7 #include "base/message_loop/message_loop_proxy.h" | |
| 8 #include "base/single_thread_task_runner.h" | |
| 9 #include "cc/trees/blocking_task_runner.h" | |
| 10 | |
| 11 namespace cc { | |
| 12 | |
| 13 base::SingleThreadTaskRunner* Proxy::MainThreadTaskRunner() const { | |
| 14 return main_task_runner_.get(); | |
| 15 } | |
| 16 | |
| 17 bool Proxy::HasImplThread() const { return !!impl_task_runner_.get(); } | |
| 18 | |
| 19 base::SingleThreadTaskRunner* Proxy::ImplThreadTaskRunner() const { | |
| 20 return impl_task_runner_.get(); | |
| 21 } | |
| 22 | |
| 23 bool Proxy::IsMainThread() const { | |
| 24 #if DCHECK_IS_ON() | |
| 25 if (impl_thread_is_overridden_) | |
| 26 return false; | |
| 27 | |
| 28 bool is_main_thread = base::PlatformThread::CurrentId() == main_thread_id_; | |
| 29 if (is_main_thread && main_task_runner_.get()) { | |
| 30 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 31 } | |
| 32 return is_main_thread; | |
| 33 #else | |
| 34 return true; | |
| 35 #endif | |
| 36 } | |
| 37 | |
| 38 bool Proxy::IsImplThread() const { | |
| 39 #if DCHECK_IS_ON() | |
| 40 if (impl_thread_is_overridden_) | |
| 41 return true; | |
| 42 if (!impl_task_runner_.get()) | |
| 43 return false; | |
| 44 return impl_task_runner_->BelongsToCurrentThread(); | |
| 45 #else | |
| 46 return true; | |
| 47 #endif | |
| 48 } | |
| 49 | |
| 50 #if DCHECK_IS_ON() | |
| 51 void Proxy::SetCurrentThreadIsImplThread(bool is_impl_thread) { | |
| 52 impl_thread_is_overridden_ = is_impl_thread; | |
| 53 } | |
| 54 #endif | |
| 55 | |
| 56 bool Proxy::IsMainThreadBlocked() const { | |
| 57 #if DCHECK_IS_ON() | |
| 58 return is_main_thread_blocked_; | |
| 59 #else | |
| 60 return true; | |
| 61 #endif | |
| 62 } | |
| 63 | |
| 64 #if DCHECK_IS_ON() | |
| 65 void Proxy::SetMainThreadBlocked(bool is_main_thread_blocked) { | |
| 66 is_main_thread_blocked_ = is_main_thread_blocked; | |
| 67 } | |
| 68 #endif | |
| 69 | |
| 70 Proxy::Proxy(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner, | |
| 71 scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) | |
| 72 #if !DCHECK_IS_ON() | |
| 73 : main_task_runner_(main_task_runner), | |
| 74 impl_task_runner_(impl_task_runner), | |
| 75 blocking_main_thread_task_runner_( | |
| 76 BlockingTaskRunner::Create(main_task_runner)) { | |
| 77 #else | |
| 78 : main_task_runner_(main_task_runner), | |
| 79 impl_task_runner_(impl_task_runner), | |
| 80 blocking_main_thread_task_runner_( | |
| 81 BlockingTaskRunner::Create(main_task_runner)), | |
| 82 main_thread_id_(base::PlatformThread::CurrentId()), | |
| 83 impl_thread_is_overridden_(false), | |
| 84 is_main_thread_blocked_(false) { | |
| 85 #endif | |
| 86 } | |
| 87 | |
| 88 Proxy::~Proxy() { | |
| 89 DCHECK(IsMainThread()); | |
| 90 } | |
| 91 | |
| 92 } // namespace cc | |
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Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master