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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "device/vr/vr_device_manager.h" | 5 #include "device/vr/vr_device_manager.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/memory/ptr_util.h" | 10 #include "base/memory/ptr_util.h" |
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61 | 61 |
62 bool VRDeviceManager::HasInstance() { | 62 bool VRDeviceManager::HasInstance() { |
63 // For testing. Checks to see if a VRDeviceManager instance is active. | 63 // For testing. Checks to see if a VRDeviceManager instance is active. |
64 return !!g_vr_device_manager; | 64 return !!g_vr_device_manager; |
65 } | 65 } |
66 | 66 |
67 void VRDeviceManager::AddService(VRServiceImpl* service) { | 67 void VRDeviceManager::AddService(VRServiceImpl* service) { |
68 // Loop through any currently active devices and send Connected messages to | 68 // Loop through any currently active devices and send Connected messages to |
69 // the service. Future devices that come online will send a Connected message | 69 // the service. Future devices that come online will send a Connected message |
70 // when they are created. | 70 // when they are created. |
71 GetVRDevices(service); | 71 DCHECK(thread_checker_.CalledOnValidThread()); |
| 72 |
| 73 InitializeProviders(); |
| 74 |
| 75 std::vector<VRDevice*> devices; |
| 76 for (const auto& provider : providers_) { |
| 77 provider->GetDevices(&devices); |
| 78 } |
| 79 |
| 80 for (auto* device : devices) { |
| 81 if (device->id() == VR_DEVICE_LAST_ID) { |
| 82 continue; |
| 83 } |
| 84 |
| 85 if (devices_.find(device->id()) == devices_.end()) { |
| 86 devices_[device->id()] = device; |
| 87 } |
| 88 |
| 89 service->ConnectDevice(device); |
| 90 } |
72 | 91 |
73 services_.insert(service); | 92 services_.insert(service); |
74 } | 93 } |
75 | 94 |
76 void VRDeviceManager::RemoveService(VRServiceImpl* service) { | 95 void VRDeviceManager::RemoveService(VRServiceImpl* service) { |
77 | 96 |
78 if (service->listening_for_activate()) { | 97 if (service->listening_for_activate()) { |
79 ListeningForActivateChanged(false); | 98 ListeningForActivateChanged(false); |
80 } | 99 } |
81 | 100 |
82 services_.erase(service); | 101 services_.erase(service); |
83 | 102 |
84 if (services_.empty() && !keep_alive_) { | 103 if (services_.empty() && !keep_alive_) { |
85 // Delete the device manager when it has no active connections. | 104 // Delete the device manager when it has no active connections. |
86 delete g_vr_device_manager; | 105 delete g_vr_device_manager; |
87 } | 106 } |
88 } | 107 } |
89 | 108 |
90 bool VRDeviceManager::GetVRDevices(VRServiceImpl* service) { | |
91 DCHECK(thread_checker_.CalledOnValidThread()); | |
92 | |
93 InitializeProviders(); | |
94 | |
95 std::vector<VRDevice*> devices; | |
96 for (const auto& provider : providers_) | |
97 provider->GetDevices(&devices); | |
98 | |
99 if (devices.empty()) | |
100 return false; | |
101 | |
102 for (auto* device : devices) { | |
103 if (device->id() == VR_DEVICE_LAST_ID) | |
104 continue; | |
105 | |
106 if (devices_.find(device->id()) == devices_.end()) | |
107 devices_[device->id()] = device; | |
108 | |
109 // Create a VRDisplayImpl for this service/device pair and attach | |
110 // the VRDisplayImpl to the device. | |
111 VRDisplayImpl* display_impl = service->GetVRDisplayImpl(device); | |
112 device->AddDisplay(display_impl); | |
113 } | |
114 | |
115 return true; | |
116 } | |
117 | |
118 unsigned int VRDeviceManager::GetNumberOfConnectedDevices() { | 109 unsigned int VRDeviceManager::GetNumberOfConnectedDevices() { |
119 DCHECK(thread_checker_.CalledOnValidThread()); | 110 DCHECK(thread_checker_.CalledOnValidThread()); |
120 | 111 |
121 return static_cast<unsigned int>(devices_.size()); | 112 return static_cast<unsigned int>(devices_.size()); |
122 } | 113 } |
123 | 114 |
124 void VRDeviceManager::ListeningForActivateChanged(bool listening) { | 115 void VRDeviceManager::ListeningForActivateChanged(bool listening) { |
125 DCHECK(thread_checker_.CalledOnValidThread()); | 116 DCHECK(thread_checker_.CalledOnValidThread()); |
126 | 117 |
127 bool activate_listeners = listening; | 118 bool activate_listeners = listening; |
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187 for (const auto& provider : providers_) | 178 for (const auto& provider : providers_) |
188 provider->PollEvents(); | 179 provider->PollEvents(); |
189 } | 180 } |
190 | 181 |
191 void VRDeviceManager::StopSchedulingPollEvents() { | 182 void VRDeviceManager::StopSchedulingPollEvents() { |
192 if (has_scheduled_poll_) | 183 if (has_scheduled_poll_) |
193 timer_.Stop(); | 184 timer_.Stop(); |
194 } | 185 } |
195 | 186 |
196 } // namespace device | 187 } // namespace device |
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