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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/mus/input_devices/input_device_server.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "mojo/public/cpp/bindings/array.h" | |
| 11 #include "ui/events/devices/input_device.h" | |
| 12 #include "ui/events/devices/touchscreen_device.h" | |
| 13 | |
| 14 namespace mus { | |
| 15 | |
| 16 InputDeviceServer::InputDeviceServer() {} | |
| 17 | |
| 18 InputDeviceServer::~InputDeviceServer() { | |
| 19 if (manager_ && ui::DeviceDataManager::HasInstance()) { | |
| 20 manager_->RemoveObserver(this); | |
| 21 manager_ = nullptr; | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 void InputDeviceServer::RegisterAsObserver() { | |
| 26 if (!manager_ && ui::DeviceDataManager::HasInstance()) { | |
| 27 manager_ = ui::DeviceDataManager::GetInstance(); | |
| 28 manager_->AddObserver(this); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 bool InputDeviceServer::IsRegisteredAsObserver() const { | |
| 33 return manager_ != nullptr; | |
| 34 } | |
| 35 | |
| 36 void InputDeviceServer::AddInterface(shell::Connection* connection) { | |
| 37 DCHECK(manager_); | |
| 38 connection->AddInterface<mojom::InputDeviceServer>(this); | |
| 39 } | |
| 40 | |
| 41 void InputDeviceServer::AddObserver( | |
| 42 mojom::InputDeviceObserverMojoPtr observer) { | |
| 43 // We only want to send this message once, so we need to check to make sure | |
| 44 // device lists are actually complete before sending it to a new observer. | |
| 45 if (manager_->AreDeviceListsComplete()) | |
| 46 SendDeviceListsComplete(observer.get()); | |
| 47 observers_.AddPtr(std::move(observer)); | |
| 48 } | |
| 49 | |
| 50 void InputDeviceServer::OnKeyboardDeviceConfigurationChanged() { | |
| 51 if (!manager_->AreDeviceListsComplete()) | |
| 52 return; | |
| 53 | |
| 54 auto& devices = manager_->GetKeyboardDevices(); | |
| 55 observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { | |
| 56 observer->OnKeyboardDeviceConfigurationChanged(devices); | |
| 57 }); | |
| 58 } | |
| 59 | |
| 60 void InputDeviceServer::OnTouchscreenDeviceConfigurationChanged() { | |
| 61 if (!manager_->AreDeviceListsComplete()) | |
| 62 return; | |
| 63 | |
| 64 auto& devices = manager_->GetTouchscreenDevices(); | |
| 65 observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { | |
| 66 observer->OnTouchscreenDeviceConfigurationChanged(devices); | |
| 67 }); | |
| 68 } | |
| 69 | |
| 70 void InputDeviceServer::OnMouseDeviceConfigurationChanged() { | |
| 71 if (!manager_->AreDeviceListsComplete()) | |
| 72 return; | |
| 73 | |
| 74 auto& devices = manager_->GetMouseDevices(); | |
| 75 observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { | |
| 76 observer->OnMouseDeviceConfigurationChanged(devices); | |
| 77 }); | |
| 78 } | |
| 79 | |
| 80 void InputDeviceServer::OnTouchpadDeviceConfigurationChanged() { | |
| 81 if (!manager_->AreDeviceListsComplete()) | |
| 82 return; | |
| 83 | |
| 84 auto& devices = manager_->GetTouchpadDevices(); | |
| 85 observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { | |
| 86 observer->OnTouchpadDeviceConfigurationChanged(devices); | |
| 87 }); | |
| 88 } | |
| 89 | |
| 90 void InputDeviceServer::OnDeviceListsComplete() { | |
| 91 observers_.ForAllPtrs([this](mojom::InputDeviceObserverMojo* observer) { | |
| 92 SendDeviceListsComplete(observer); | |
| 93 }); | |
| 94 } | |
| 95 | |
| 96 void InputDeviceServer::SendDeviceListsComplete( | |
| 97 mojom::InputDeviceObserverMojo* observer) { | |
| 98 DCHECK(manager_->AreDeviceListsComplete()); | |
| 99 | |
| 100 observer->OnDeviceListsComplete( | |
| 101 manager_->GetKeyboardDevices(), manager_->GetTouchscreenDevices(), | |
| 102 manager_->GetMouseDevices(), manager_->GetTouchpadDevices()); | |
| 103 } | |
| 104 | |
| 105 void InputDeviceServer::Create(shell::Connection* connection, | |
| 106 mojom::InputDeviceServerRequest request) { | |
| 107 bindings_.AddBinding(this, std::move(request)); | |
| 108 } | |
| 109 | |
| 110 } // namespace mus | |
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