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Side by Side Diff: services/service_manager/public/cpp/service_context_ref.cc

Issue 2860023002: Eliminate lib directory for service manager client lib. (Closed)
Patch Set: Created 3 years, 7 months ago
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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/threading/thread_checker.h" 10 #include "base/threading/thread_checker.h"
11 #include "base/threading/thread_task_runner_handle.h" 11 #include "base/threading/thread_task_runner_handle.h"
12 12
13 namespace service_manager { 13 namespace service_manager {
14 14
15 class ServiceContextRefImpl : public ServiceContextRef { 15 class ServiceContextRefImpl : public ServiceContextRef {
16 public: 16 public:
17 ServiceContextRefImpl( 17 ServiceContextRefImpl(
18 base::WeakPtr<ServiceContextRefFactory> factory, 18 base::WeakPtr<ServiceContextRefFactory> factory,
19 scoped_refptr<base::SingleThreadTaskRunner> service_task_runner) 19 scoped_refptr<base::SingleThreadTaskRunner> service_task_runner)
20 : factory_(factory), 20 : factory_(factory), service_task_runner_(service_task_runner) {
21 service_task_runner_(service_task_runner) {
22 // This object is not thread-safe but may be used exclusively on a different 21 // This object is not thread-safe but may be used exclusively on a different
23 // thread from the one which constructed it. 22 // thread from the one which constructed it.
24 thread_checker_.DetachFromThread(); 23 thread_checker_.DetachFromThread();
25 } 24 }
26 25
27 ~ServiceContextRefImpl() override { 26 ~ServiceContextRefImpl() override {
28 DCHECK(thread_checker_.CalledOnValidThread()); 27 DCHECK(thread_checker_.CalledOnValidThread());
29 28
30 if (service_task_runner_->BelongsToCurrentThread() && factory_) { 29 if (service_task_runner_->BelongsToCurrentThread() && factory_) {
31 factory_->Release(); 30 factory_->Release();
32 } else { 31 } else {
33 service_task_runner_->PostTask( 32 service_task_runner_->PostTask(
34 FROM_HERE, 33 FROM_HERE, base::Bind(&ServiceContextRefFactory::Release, factory_));
35 base::Bind(&ServiceContextRefFactory::Release, factory_));
36 } 34 }
37 } 35 }
38 36
39 private: 37 private:
40 // ServiceContextRef: 38 // ServiceContextRef:
41 std::unique_ptr<ServiceContextRef> Clone() override { 39 std::unique_ptr<ServiceContextRef> Clone() override {
42 DCHECK(thread_checker_.CalledOnValidThread()); 40 DCHECK(thread_checker_.CalledOnValidThread());
43 41
44 if (service_task_runner_->BelongsToCurrentThread() && factory_) { 42 if (service_task_runner_->BelongsToCurrentThread() && factory_) {
45 factory_->AddRef(); 43 factory_->AddRef();
46 } else { 44 } else {
47 service_task_runner_->PostTask( 45 service_task_runner_->PostTask(
48 FROM_HERE, 46 FROM_HERE, base::Bind(&ServiceContextRefFactory::AddRef, factory_));
49 base::Bind(&ServiceContextRefFactory::AddRef, factory_));
50 } 47 }
51 48
52 return base::MakeUnique<ServiceContextRefImpl>(factory_, 49 return base::MakeUnique<ServiceContextRefImpl>(factory_,
53 service_task_runner_); 50 service_task_runner_);
54 } 51 }
55 52
56 base::WeakPtr<ServiceContextRefFactory> factory_; 53 base::WeakPtr<ServiceContextRefFactory> factory_;
57 scoped_refptr<base::SingleThreadTaskRunner> service_task_runner_; 54 scoped_refptr<base::SingleThreadTaskRunner> service_task_runner_;
58 base::ThreadChecker thread_checker_; 55 base::ThreadChecker thread_checker_;
59 56
(...skipping 17 matching lines...) Expand all
77 void ServiceContextRefFactory::AddRef() { 74 void ServiceContextRefFactory::AddRef() {
78 ++ref_count_; 75 ++ref_count_;
79 } 76 }
80 77
81 void ServiceContextRefFactory::Release() { 78 void ServiceContextRefFactory::Release() {
82 if (!--ref_count_) 79 if (!--ref_count_)
83 quit_closure_.Run(); 80 quit_closure_.Run();
84 } 81 }
85 82
86 } // namespace service_manager 83 } // namespace service_manager
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