blob: d254cba9df143af9897f813d273c87cf86a65366 [file] [log] [blame]
// 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/ui/input_devices/input_device_server.h"
#include <utility>
#include <vector>
#include "services/service_manager/public/cpp/interface_registry.h"
#include "ui/events/devices/input_device.h"
#include "ui/events/devices/touchscreen_device.h"
namespace ui {
InputDeviceServer::InputDeviceServer() {}
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::AddInterface(
service_manager::InterfaceRegistry* registry) {
DCHECK(IsRegisteredAsObserver());
registry->AddInterface<mojom::InputDeviceServer>(this);
}
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::OnKeyboardDeviceConfigurationChanged() {
if (!manager_->AreDeviceListsComplete())
return;
auto& devices = manager_->GetKeyboardDevices();
observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) {
observer->OnKeyboardDeviceConfigurationChanged(devices);
});
}
void InputDeviceServer::OnTouchscreenDeviceConfigurationChanged() {
if (!manager_->AreDeviceListsComplete())
return;
auto& devices = manager_->GetTouchscreenDevices();
observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) {
observer->OnTouchscreenDeviceConfigurationChanged(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(StylusState state) {
observers_.ForAllPtrs([state](mojom::InputDeviceObserverMojo* observer) {
observer->OnStylusStateChanged(state);
});
}
void InputDeviceServer::SendDeviceListsComplete(
mojom::InputDeviceObserverMojo* observer) {
DCHECK(manager_->AreDeviceListsComplete());
observer->OnDeviceListsComplete(
manager_->GetKeyboardDevices(), manager_->GetTouchscreenDevices(),
manager_->GetMouseDevices(), manager_->GetTouchpadDevices());
}
void InputDeviceServer::Create(const service_manager::Identity& remote_identity,
mojom::InputDeviceServerRequest request) {
bindings_.AddBinding(this, std::move(request));
}
} // namespace ui