| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "services/ws/input_devices/input_device_server.h" |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "ui/events/devices/device_data_manager.h" |
| #include "ui/events/devices/input_device.h" |
| #include "ui/events/devices/touchscreen_device.h" |
| |
| namespace ws { |
| |
| InputDeviceServer::InputDeviceServer() = default; |
| |
| InputDeviceServer::~InputDeviceServer() { |
| if (manager_ && ui::DeviceDataManager::HasInstance()) { |
| manager_->RemoveObserver(this); |
| manager_ = nullptr; |
| } |
| } |
| |
| void InputDeviceServer::RegisterAsObserver() { |
| if (!manager_ && ui::DeviceDataManager::HasInstance()) { |
| manager_ = ui::DeviceDataManager::GetInstance(); |
| manager_->AddObserver(this); |
| } |
| } |
| |
| bool InputDeviceServer::IsRegisteredAsObserver() const { |
| return manager_ != nullptr; |
| } |
| |
| void InputDeviceServer::AddBinding(mojom::InputDeviceServerRequest request) { |
| DCHECK(IsRegisteredAsObserver()); |
| bindings_.AddBinding(this, std::move(request)); |
| } |
| |
| void InputDeviceServer::AddObserver( |
| mojom::InputDeviceObserverMojoPtr observer) { |
| // We only want to send this message once, so we need to check to make sure |
| // device lists are actually complete before sending it to a new observer. |
| if (manager_->AreDeviceListsComplete()) |
| SendDeviceListsComplete(observer.get()); |
| observers_.AddPtr(std::move(observer)); |
| } |
| |
| void InputDeviceServer::OnInputDeviceConfigurationChanged( |
| uint8_t input_device_types) { |
| if (input_device_types & ui::InputDeviceEventObserver::kKeyboard) |
| OnKeyboardDeviceConfigurationChanged(); |
| if (input_device_types & ui::InputDeviceEventObserver::kMouse) |
| OnMouseDeviceConfigurationChanged(); |
| if (input_device_types & ui::InputDeviceEventObserver::kTouchpad) |
| OnTouchpadDeviceConfigurationChanged(); |
| if (input_device_types & ui::InputDeviceEventObserver::kTouchscreen) |
| OnTouchscreenDeviceConfigurationChanged(); |
| if (input_device_types & ui::InputDeviceEventObserver::kUncategorized) |
| OnUncategorizedDeviceConfigurationChanged(); |
| } |
| |
| void InputDeviceServer::OnKeyboardDeviceConfigurationChanged() { |
| if (!manager_->AreDeviceListsComplete()) |
| return; |
| |
| auto& devices = manager_->GetKeyboardDevices(); |
| observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { |
| observer->OnKeyboardDeviceConfigurationChanged(devices); |
| }); |
| } |
| |
| void InputDeviceServer::OnMouseDeviceConfigurationChanged() { |
| if (!manager_->AreDeviceListsComplete()) |
| return; |
| |
| auto& devices = manager_->GetMouseDevices(); |
| observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { |
| observer->OnMouseDeviceConfigurationChanged(devices); |
| }); |
| } |
| |
| void InputDeviceServer::OnTouchpadDeviceConfigurationChanged() { |
| if (!manager_->AreDeviceListsComplete()) |
| return; |
| |
| auto& devices = manager_->GetTouchpadDevices(); |
| observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { |
| observer->OnTouchpadDeviceConfigurationChanged(devices); |
| }); |
| } |
| |
| void InputDeviceServer::OnDeviceListsComplete() { |
| observers_.ForAllPtrs([this](mojom::InputDeviceObserverMojo* observer) { |
| SendDeviceListsComplete(observer); |
| }); |
| } |
| |
| void InputDeviceServer::OnStylusStateChanged(ui::StylusState state) { |
| observers_.ForAllPtrs([state](mojom::InputDeviceObserverMojo* observer) { |
| observer->OnStylusStateChanged(state); |
| }); |
| } |
| |
| void InputDeviceServer::OnTouchDeviceAssociationChanged() { |
| OnTouchscreenDeviceConfigurationChanged(); |
| } |
| |
| void InputDeviceServer::SendDeviceListsComplete( |
| mojom::InputDeviceObserverMojo* observer) { |
| DCHECK(manager_->AreDeviceListsComplete()); |
| |
| observer->OnDeviceListsComplete( |
| manager_->GetKeyboardDevices(), manager_->GetTouchscreenDevices(), |
| manager_->GetMouseDevices(), manager_->GetTouchpadDevices(), |
| manager_->GetUncategorizedDevices(), |
| manager_->AreTouchscreenTargetDisplaysValid()); |
| } |
| |
| void InputDeviceServer::OnTouchscreenDeviceConfigurationChanged() { |
| if (!manager_->AreDeviceListsComplete()) |
| return; |
| |
| auto& devices = manager_->GetTouchscreenDevices(); |
| const bool are_touchscreen_target_displays_valid = |
| manager_->AreTouchscreenTargetDisplaysValid(); |
| observers_.ForAllPtrs([&devices, are_touchscreen_target_displays_valid]( |
| mojom::InputDeviceObserverMojo* observer) { |
| observer->OnTouchscreenDeviceConfigurationChanged( |
| devices, are_touchscreen_target_displays_valid); |
| }); |
| } |
| |
| void InputDeviceServer::OnUncategorizedDeviceConfigurationChanged() { |
| if (!manager_->AreDeviceListsComplete()) |
| return; |
| |
| auto& devices = manager_->GetUncategorizedDevices(); |
| observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) { |
| observer->OnUncategorizedDeviceConfigurationChanged(devices); |
| }); |
| } |
| |
| } // namespace ws |