| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "vsoc_input_service.h" |
| |
| #include <linux/input.h> |
| #include <linux/uinput.h> |
| |
| #include <thread> |
| |
| #include "log/log.h" |
| |
| #include "common/vsoc/lib/screen_region_view.h" |
| #include "common/vsoc/lib/input_events_region_view.h" |
| |
| using vsoc::screen::ScreenRegionView; |
| using vsoc::input_events::InputEvent; |
| using vsoc::input_events::InputEventsRegionView; |
| using vsoc_input_service::VirtualDeviceBase; |
| using vsoc_input_service::VirtualKeyboard; |
| using vsoc_input_service::VirtualPowerButton; |
| using vsoc_input_service::VirtualTouchScreen; |
| using vsoc_input_service::VSoCInputService; |
| |
| namespace { |
| |
| void EventLoop(std::shared_ptr<VirtualDeviceBase> device, |
| std::function<int(InputEvent*, int)> next_events) { |
| while (1) { |
| InputEvent events[InputEventsRegionView::kMaxEventsPerPacket]; |
| int count = next_events(events, InputEventsRegionView::kMaxEventsPerPacket); |
| if (count <= 0) { |
| SLOGE("Error getting events from the queue: Maybe check packet size"); |
| continue; |
| } |
| for (int i = 0; i < count; ++i) { |
| device->EmitEvent(events[i].type, events[i].code, events[i].value); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| bool VSoCInputService::SetUpDevices() { |
| virtual_power_button_.reset(new VirtualPowerButton()); |
| if (!virtual_power_button_->SetUp()) { |
| return false; |
| } |
| virtual_keyboard_.reset(new VirtualKeyboard()); |
| if (!virtual_keyboard_->SetUp()) { |
| return false; |
| } |
| |
| auto screen_view = ScreenRegionView::GetInstance(); |
| if (!screen_view) { |
| SLOGE("Failed to open framebuffer broadcast region"); |
| return false; |
| } |
| |
| virtual_touchscreen_.reset( |
| new VirtualTouchScreen(screen_view->x_res(), screen_view->y_res())); |
| if (!virtual_touchscreen_->SetUp()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool VSoCInputService::ProcessEvents() { |
| auto input_events_rv = InputEventsRegionView::GetInstance(); |
| // TODO(jemoreira): Post available devices to region |
| auto worker = input_events_rv->StartWorker(); |
| |
| // Start device threads |
| std::thread screen_thread([this]() { |
| EventLoop( |
| virtual_touchscreen_, [](InputEvent* event_buffer, int max_events) { |
| return InputEventsRegionView::GetInstance()->GetScreenEventsOrWait( |
| event_buffer, max_events); |
| }); |
| }); |
| std::thread keyboard_thread([this]() { |
| EventLoop(virtual_keyboard_, [](InputEvent* event_buffer, int max_events) { |
| return InputEventsRegionView::GetInstance()->GetKeyboardEventsOrWait( |
| event_buffer, max_events); |
| }); |
| }); |
| std::thread button_thread([this]() { |
| EventLoop(virtual_power_button_, |
| [](InputEvent* event_buffer, int max_events) { |
| return InputEventsRegionView::GetInstance() |
| ->GetPowerButtonEventsOrWait(event_buffer, max_events); |
| }); |
| }); |
| |
| screen_thread.join(); |
| keyboard_thread.join(); |
| button_thread.join(); |
| |
| // Should never return |
| return false; |
| } |