Revert "ozone: evdev: Handle mouse events"

ui/events/ozone/evdev/event_converter_evdev_impl.cc

Index: ui/events/ozone/evdev/event_converter_evdev_impl.cc
diff --git a/ui/events/ozone/evdev/event_converter_evdev_impl.cc b/ui/events/ozone/evdev/event_converter_evdev_impl.cc
deleted file mode 100644
index 08c583d363947026664a340133d806bad8f82e18..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/event_converter_evdev_impl.cc
+++ /dev/null
@@ -1,136 +0,0 @@
-// 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/event_converter_evdev_impl.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"
-
-namespace ui {
-
-EventConverterEvdevImpl::EventConverterEvdevImpl(
-    int fd,
-    base::FilePath path,
-    int id,
-    EventModifiersEvdev* modifiers,
-    CursorDelegateEvdev* cursor,
-    KeyboardEvdev* keyboard,
-    const EventDispatchCallback& callback)
-    : EventConverterEvdev(fd, path, id),
-      x_offset_(0),
-      y_offset_(0),
-      cursor_(cursor),
-      keyboard_(keyboard),
-      modifiers_(modifiers),
-      callback_(callback) {
-}
-
-EventConverterEvdevImpl::~EventConverterEvdevImpl() {
-  Stop();
-  close(fd_);
-}
-
-void EventConverterEvdevImpl::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 EventConverterEvdevImpl::ProcessEvents(const input_event* inputs,
-                                           int count) {
-  for (int i = 0; i < count; ++i) {
-    const input_event& input = inputs[i];
-    switch (input.type) {
-      case EV_KEY:
-        ConvertKeyEvent(input);
-        break;
-      case EV_REL:
-        ConvertMouseMoveEvent(input);
-        break;
-      case EV_SYN:
-        FlushEvents();
-        break;
-    }
-  }
-}
-
-void EventConverterEvdevImpl::ConvertKeyEvent(const input_event& input) {
-  // Mouse processing.
-  if (input.code >= BTN_MOUSE && input.code < BTN_JOYSTICK) {
-    DispatchMouseButton(input);
-    return;
-  }
-  // Keyboard processing.
-  keyboard_->OnKeyChange(input.code, input.value != 0);
-}
-
-void EventConverterEvdevImpl::ConvertMouseMoveEvent(const input_event& input) {
-  if (!cursor_)
-    return;
-  switch (input.code) {
-    case REL_X:
-      x_offset_ = input.value;
-      break;
-    case REL_Y:
-      y_offset_ = input.value;
-      break;
-  }
-}
-
-void EventConverterEvdevImpl::DispatchMouseButton(const input_event& input) {
-  if (!cursor_)
-    return;
-
-  unsigned int modifier;
-  if (input.code == BTN_LEFT)
-    modifier = EVDEV_MODIFIER_LEFT_MOUSE_BUTTON;
-  else if (input.code == BTN_RIGHT)
-    modifier = EVDEV_MODIFIER_RIGHT_MOUSE_BUTTON;
-  else if (input.code == BTN_MIDDLE)
-    modifier = EVDEV_MODIFIER_MIDDLE_MOUSE_BUTTON;
-  else
-    return;
-
-  int flag = modifiers_->GetEventFlagFromModifier(modifier);
-  modifiers_->UpdateModifier(modifier, input.value);
-  callback_.Run(make_scoped_ptr(
-      new MouseEvent(input.value ? ET_MOUSE_PRESSED : ET_MOUSE_RELEASED,
-                     cursor_->location(),
-                     cursor_->location(),
-                     modifiers_->GetModifierFlags() | flag,
-                     flag)));
-}
-
-void EventConverterEvdevImpl::FlushEvents() {
-  if (!cursor_ || (x_offset_ == 0 && y_offset_ == 0))
-    return;
-
-  cursor_->MoveCursor(gfx::Vector2dF(x_offset_, y_offset_));
-
-  callback_.Run(make_scoped_ptr(
-      new MouseEvent(ui::ET_MOUSE_MOVED,
-                     cursor_->location(),
-                     cursor_->location(),
-                     modifiers_->GetModifierFlags(),
-                     /* changed_button_flags */ 0)));
-  x_offset_ = 0;
-  y_offset_ = 0;
-}
-
-}  // namespace ui