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Issue 1164563003: Extract device_sensors to /device via Mojofication (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 6 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 "content/browser/device_sensors/device_inertial_sensor_service.h" 5 #include "device/device_sensors/device_inertial_sensor_service.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/memory/singleton.h" 9 #include "base/memory/singleton.h"
10 #include "content/browser/device_sensors/data_fetcher_shared_memory.h" 10 #include "device/device_sensors/data_fetcher_shared_memory.h"
11 11
12 namespace content { 12 namespace device {
13 13
14 DeviceInertialSensorService::DeviceInertialSensorService() 14 DeviceInertialSensorService::DeviceInertialSensorService()
15 : num_light_readers_(0), 15 : num_light_readers_(0),
16 num_motion_readers_(0), 16 num_motion_readers_(0),
17 num_orientation_readers_(0), 17 num_orientation_readers_(0),
18 is_shutdown_(false) { 18 is_shutdown_(false) {
19 } 19 }
20 20
21 DeviceInertialSensorService::~DeviceInertialSensorService() { 21 DeviceInertialSensorService::~DeviceInertialSensorService() {
22 } 22 }
23 23
24 DeviceInertialSensorService* DeviceInertialSensorService::GetInstance() { 24 DeviceInertialSensorService* DeviceInertialSensorService::GetInstance() {
25 return Singleton<DeviceInertialSensorService, 25 return Singleton<DeviceInertialSensorService,
26 LeakySingletonTraits<DeviceInertialSensorService> >::get(); 26 LeakySingletonTraits<DeviceInertialSensorService>>::get();
27 } 27 }
28 28
29 void DeviceInertialSensorService::AddConsumer(ConsumerType consumer_type) { 29 void DeviceInertialSensorService::AddConsumer(ConsumerType consumer_type) {
30 LOG(WARNING) << "AddConsumer " << consumer_type;
30 if (!ChangeNumberConsumers(consumer_type, 1)) 31 if (!ChangeNumberConsumers(consumer_type, 1))
31 return; 32 return;
32 33
33 DCHECK(GetNumberConsumers(consumer_type)); 34 DCHECK(GetNumberConsumers(consumer_type));
34 35
35 if (!data_fetcher_) 36 if (!data_fetcher_)
36 data_fetcher_.reset(new DataFetcherSharedMemory); 37 data_fetcher_.reset(new DataFetcherSharedMemory);
37 data_fetcher_->StartFetchingDeviceData(consumer_type); 38 data_fetcher_->StartFetchingDeviceData(consumer_type);
38 } 39 }
39 40
40 void DeviceInertialSensorService::RemoveConsumer(ConsumerType consumer_type) { 41 void DeviceInertialSensorService::RemoveConsumer(ConsumerType consumer_type) {
42 LOG(WARNING) << "RemoveConsumer " << consumer_type;
41 if (!ChangeNumberConsumers(consumer_type, -1)) 43 if (!ChangeNumberConsumers(consumer_type, -1))
42 return; 44 return;
43 45
44 if (GetNumberConsumers(consumer_type) == 0) 46 if (GetNumberConsumers(consumer_type) == 0)
45 data_fetcher_->StopFetchingDeviceData(consumer_type); 47 data_fetcher_->StopFetchingDeviceData(consumer_type);
46 } 48 }
47
48 bool DeviceInertialSensorService::ChangeNumberConsumers( 49 bool DeviceInertialSensorService::ChangeNumberConsumers(
49 ConsumerType consumer_type, int delta) { 50 ConsumerType consumer_type,
51 int delta) {
50 DCHECK(thread_checker_.CalledOnValidThread()); 52 DCHECK(thread_checker_.CalledOnValidThread());
51 if (is_shutdown_) 53 if (is_shutdown_)
52 return false; 54 return false;
53 55
54 switch (consumer_type) { 56 switch (consumer_type) {
55 case CONSUMER_TYPE_MOTION: 57 case CONSUMER_TYPE_MOTION:
56 num_motion_readers_ += delta; 58 num_motion_readers_ += delta;
57 DCHECK_GE(num_motion_readers_, 0); 59 DCHECK_GE(num_motion_readers_, 0);
58 return true; 60 return true;
59 case CONSUMER_TYPE_ORIENTATION: 61 case CONSUMER_TYPE_ORIENTATION:
60 num_orientation_readers_ += delta; 62 num_orientation_readers_ += delta;
61 DCHECK_GE(num_orientation_readers_ , 0); 63 DCHECK_GE(num_orientation_readers_, 0);
62 return true; 64 return true;
63 case CONSUMER_TYPE_LIGHT: 65 case CONSUMER_TYPE_LIGHT:
64 num_light_readers_ += delta; 66 num_light_readers_ += delta;
65 DCHECK_GE(num_light_readers_, 0); 67 DCHECK_GE(num_light_readers_, 0);
66 return true; 68 return true;
67 default: 69 default:
68 NOTREACHED(); 70 NOTREACHED();
69 } 71 }
70 return false; 72 return false;
71 } 73 }
72 74
73 int DeviceInertialSensorService::GetNumberConsumers( 75 int DeviceInertialSensorService::GetNumberConsumers(
74 ConsumerType consumer_type) const { 76 ConsumerType consumer_type) const {
75 switch (consumer_type) { 77 switch (consumer_type) {
76 case CONSUMER_TYPE_MOTION: 78 case CONSUMER_TYPE_MOTION:
77 return num_motion_readers_; 79 return num_motion_readers_;
78 case CONSUMER_TYPE_ORIENTATION: 80 case CONSUMER_TYPE_ORIENTATION:
79 return num_orientation_readers_; 81 return num_orientation_readers_;
80 case CONSUMER_TYPE_LIGHT: 82 case CONSUMER_TYPE_LIGHT:
81 return num_light_readers_; 83 return num_light_readers_;
82 default: 84 default:
83 NOTREACHED(); 85 NOTREACHED();
84 } 86 }
85 return 0; 87 return 0;
86 } 88 }
87 89
88 base::SharedMemoryHandle 90 base::SharedMemoryHandle
89 DeviceInertialSensorService::GetSharedMemoryHandleForProcess( 91 DeviceInertialSensorService::GetSharedMemoryHandleForProcess(
90 ConsumerType consumer_type, base::ProcessHandle handle) { 92 ConsumerType consumer_type,
93 base::ProcessHandle handle) {
94 LOG(WARNING) << "GetSharedMemoryHandleForProcess " << consumer_type;
91 DCHECK(thread_checker_.CalledOnValidThread()); 95 DCHECK(thread_checker_.CalledOnValidThread());
92 return data_fetcher_->GetSharedMemoryHandleForProcess(consumer_type, handle); 96 return data_fetcher_->GetSharedMemoryHandleForProcess(consumer_type, handle);
93 } 97 }
94 98
95 void DeviceInertialSensorService::Shutdown() { 99 void DeviceInertialSensorService::Shutdown() {
96 if (data_fetcher_) { 100 if (data_fetcher_) {
97 data_fetcher_->Shutdown(); 101 data_fetcher_->Shutdown();
98 data_fetcher_.reset(); 102 data_fetcher_.reset();
99 } 103 }
100 is_shutdown_ = true; 104 is_shutdown_ = true;
101 } 105 }
102 106
103 void DeviceInertialSensorService::SetDataFetcherForTesting( 107 void DeviceInertialSensorService::SetDataFetcherForTesting(
104 DataFetcherSharedMemory* test_data_fetcher) { 108 DataFetcherSharedMemory* test_data_fetcher) {
105 if (data_fetcher_) 109 if (data_fetcher_)
106 data_fetcher_->Shutdown(); 110 data_fetcher_->Shutdown();
107 data_fetcher_.reset(test_data_fetcher); 111 data_fetcher_.reset(test_data_fetcher);
108 } 112 }
109 113
110 } // namespace content 114 } // namespace device
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