| OLD | NEW |
| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "services/service_manager/public/cpp/service_context_ref.h" | 5 #include "services/service_manager/public/cpp/service_context_ref.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/memory/ptr_util.h" | 8 #include "base/memory/ptr_util.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "base/sequence_checker.h" | 10 #include "base/sequence_checker.h" |
| 11 #include "base/sequenced_task_runner.h" | 11 #include "base/sequenced_task_runner.h" |
| 12 #include "base/threading/sequenced_task_runner_handle.h" | 12 #include "base/threading/sequenced_task_runner_handle.h" |
| 13 | 13 |
| 14 namespace service_manager { | 14 namespace service_manager { |
| 15 | 15 |
| 16 class ServiceContextRefImpl : public ServiceContextRef { | 16 class ServiceContextRefImpl : public ServiceContextRef { |
| 17 public: | 17 public: |
| 18 ServiceContextRefImpl( | 18 ServiceContextRefImpl( |
| 19 base::WeakPtr<ServiceContextRefFactory> factory, | 19 base::WeakPtr<ServiceContextRefFactory> factory, |
| 20 scoped_refptr<base::SequencedTaskRunner> service_task_runner) | 20 scoped_refptr<base::SequencedTaskRunner> service_task_runner) |
| 21 : factory_(factory), service_task_runner_(service_task_runner) { | 21 : factory_(factory), service_task_runner_(service_task_runner) { |
| 22 // This object is not thread-safe but may be used exclusively on a different | 22 // This object is not thread-safe but may be used exclusively on a different |
| 23 // thread from the one which constructed it. | 23 // thread from the one which constructed it. |
| 24 DETACH_FROM_SEQUENCE(sequence_checker_); | 24 DETACH_FROM_SEQUENCE(sequence_checker_); |
| 25 } | 25 } |
| 26 | 26 |
| 27 ~ServiceContextRefImpl() override { | 27 ~ServiceContextRefImpl() override { |
| 28 DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); | 28 DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| 29 | 29 |
| 30 if (service_task_runner_->RunsTasksOnCurrentThread() && factory_) { | 30 if (service_task_runner_->RunsTasksInCurrentSequence() && factory_) { |
| 31 factory_->Release(); | 31 factory_->Release(); |
| 32 } else { | 32 } else { |
| 33 service_task_runner_->PostTask( | 33 service_task_runner_->PostTask( |
| 34 FROM_HERE, base::Bind(&ServiceContextRefFactory::Release, factory_)); | 34 FROM_HERE, base::Bind(&ServiceContextRefFactory::Release, factory_)); |
| 35 } | 35 } |
| 36 } | 36 } |
| 37 | 37 |
| 38 private: | 38 private: |
| 39 // ServiceContextRef: | 39 // ServiceContextRef: |
| 40 std::unique_ptr<ServiceContextRef> Clone() override { | 40 std::unique_ptr<ServiceContextRef> Clone() override { |
| 41 DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); | 41 DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| 42 | 42 |
| 43 if (service_task_runner_->RunsTasksOnCurrentThread() && factory_) { | 43 if (service_task_runner_->RunsTasksInCurrentSequence() && factory_) { |
| 44 factory_->AddRef(); | 44 factory_->AddRef(); |
| 45 } else { | 45 } else { |
| 46 service_task_runner_->PostTask( | 46 service_task_runner_->PostTask( |
| 47 FROM_HERE, base::Bind(&ServiceContextRefFactory::AddRef, factory_)); | 47 FROM_HERE, base::Bind(&ServiceContextRefFactory::AddRef, factory_)); |
| 48 } | 48 } |
| 49 | 49 |
| 50 return base::MakeUnique<ServiceContextRefImpl>(factory_, | 50 return base::MakeUnique<ServiceContextRefImpl>(factory_, |
| 51 service_task_runner_); | 51 service_task_runner_); |
| 52 } | 52 } |
| 53 | 53 |
| (...skipping 21 matching lines...) Expand all Loading... |
| 75 void ServiceContextRefFactory::AddRef() { | 75 void ServiceContextRefFactory::AddRef() { |
| 76 ++ref_count_; | 76 ++ref_count_; |
| 77 } | 77 } |
| 78 | 78 |
| 79 void ServiceContextRefFactory::Release() { | 79 void ServiceContextRefFactory::Release() { |
| 80 if (!--ref_count_) | 80 if (!--ref_count_) |
| 81 quit_closure_.Run(); | 81 quit_closure_.Run(); |
| 82 } | 82 } |
| 83 | 83 |
| 84 } // namespace service_manager | 84 } // namespace service_manager |
| OLD | NEW |