ozone: evdev: Handle mouse events

ui/events/ozone/evdev/key_event_converter_evdev.cc

-// Copyright 2014 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 "ui/events/ozone/evdev/key_event_converter_evdev.h"
-
-#include <errno.h>
-#include <linux/input.h>
-
-#include "base/message_loop/message_loop.h"
-#include "ui/events/event.h"
-#include "ui/events/keycodes/dom4/keycode_converter.h"
-#include "ui/events/keycodes/keyboard_codes.h"
-#include "ui/events/ozone/evdev/event_modifiers_evdev.h"
-
-namespace ui {
-
-namespace {
-
-}  // namespace
-
-KeyEventConverterEvdev::KeyEventConverterEvdev(int fd,
-                                               base::FilePath path,
-                                               int id,
-                                               KeyboardEvdev* keyboard)
-    : EventConverterEvdev(fd, path, id), keyboard_(keyboard) {
-}
-
-KeyEventConverterEvdev::~KeyEventConverterEvdev() {
-  Stop();
-  close(fd_);
-}
-
-void KeyEventConverterEvdev::OnFileCanReadWithoutBlocking(int fd) {
-  input_event inputs[4];
-  ssize_t read_size = read(fd, inputs, sizeof(inputs));
-  if (read_size < 0) {
-    if (errno == EINTR || errno == EAGAIN)
-      return;
-    if (errno != ENODEV)
-      PLOG(ERROR) << "error reading device " << path_.value();
-    Stop();
-    return;
-  }
-
-  DCHECK_EQ(read_size % sizeof(*inputs), 0u);
-  ProcessEvents(inputs, read_size / sizeof(*inputs));
-}
-
-void KeyEventConverterEvdev::ProcessEvents(const input_event* inputs,
-                                           int count) {
-  for (int i = 0; i < count; ++i) {
-    const input_event& input = inputs[i];
-    if (input.type == EV_KEY) {
-      keyboard_->OnKeyChange(input.code, input.value != 0);
-    } else if (input.type == EV_SYN) {
-      // TODO(sadrul): Handle this case appropriately.
-    }
-  }
-}
-
-}  // namespace ui