It is time.

ui/events/ozone/evdev/event_factory_evdev.cc

Index: ui/events/ozone/evdev/event_factory_evdev.cc
diff --git a/ui/events/ozone/evdev/event_factory_evdev.cc b/ui/events/ozone/evdev/event_factory_evdev.cc
deleted file mode 100644
index 170d3a66c2102f321c5267cf8b00740fd9151440..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/event_factory_evdev.cc
+++ /dev/null
@@ -1,311 +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_factory_evdev.h"
-
-#include <fcntl.h>
-#include <linux/input.h>
-
-#include "base/debug/trace_event.h"
-#include "base/stl_util.h"
-#include "base/task_runner.h"
-#include "base/thread_task_runner_handle.h"
-#include "base/threading/worker_pool.h"
-#include "ui/events/device_data_manager.h"
-#include "ui/events/ozone/device/device_event.h"
-#include "ui/events/ozone/device/device_manager.h"
-#include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
-#include "ui/events/ozone/evdev/event_device_info.h"
-#include "ui/events/ozone/evdev/key_event_converter_evdev.h"
-#include "ui/events/ozone/evdev/touch_event_converter_evdev.h"
-
-#if defined(USE_EVDEV_GESTURES)
-#include "ui/events/ozone/evdev/libgestures_glue/event_reader_libevdev_cros.h"
-#include "ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h"
-#include "ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.h"
-#endif
-
-#ifndef EVIOCSCLOCKID
-#define EVIOCSCLOCKID  _IOW('E', 0xa0, int)
-#endif
-
-namespace ui {
-
-namespace {
-
-typedef base::Callback<void(scoped_ptr<EventConverterEvdev>)>
-    OpenInputDeviceReplyCallback;
-
-struct OpenInputDeviceParams {
-  // Unique identifier for the new device.
-  int id;
-
-  // Device path to open.
-  base::FilePath path;
-
-  // Callback for dispatching events. Call on UI thread only.
-  EventDispatchCallback dispatch_callback;
-
-  // State shared between devices. Must not be dereferenced on worker thread.
-  EventModifiersEvdev* modifiers;
-  KeyboardEvdev* keyboard;
-  CursorDelegateEvdev* cursor;
-#if defined(USE_EVDEV_GESTURES)
-  GesturePropertyProvider* gesture_property_provider;
-#endif
-};
-
-#if defined(USE_EVDEV_GESTURES)
-bool UseGesturesLibraryForDevice(const EventDeviceInfo& devinfo) {
-  if (devinfo.HasAbsXY() && !devinfo.IsMappedToScreen())
-    return true;  // touchpad
-
-  if (devinfo.HasRelXY())
-    return true;  // mouse
-
-  return false;
-}
-#endif
-
-scoped_ptr<EventConverterEvdev> CreateConverter(
-    const OpenInputDeviceParams& params,
-    int fd,
-    const EventDeviceInfo& devinfo) {
-#if defined(USE_EVDEV_GESTURES)
-  // Touchpad or mouse: use gestures library.
-  // EventReaderLibevdevCros -> GestureInterpreterLibevdevCros -> DispatchEvent
-  if (UseGesturesLibraryForDevice(devinfo)) {
-    scoped_ptr<GestureInterpreterLibevdevCros> gesture_interp = make_scoped_ptr(
-        new GestureInterpreterLibevdevCros(params.id,
-                                           params.modifiers,
-                                           params.cursor,
-                                           params.keyboard,
-                                           params.gesture_property_provider,
-                                           params.dispatch_callback));
-    return make_scoped_ptr(new EventReaderLibevdevCros(
-          fd, params.path, params.id, gesture_interp.Pass()));
-  }
-#endif
-
-  // Touchscreen: use TouchEventConverterEvdev.
-  scoped_ptr<EventConverterEvdev> converter;
-  if (devinfo.HasAbsXY())
-    return make_scoped_ptr<EventConverterEvdev>(new TouchEventConverterEvdev(
-        fd, params.path, params.id, devinfo, params.dispatch_callback));
-
-  // Everything else: use KeyEventConverterEvdev.
-  return make_scoped_ptr<EventConverterEvdev>(
-      new KeyEventConverterEvdev(fd, params.path, params.id, params.keyboard));
-}
-
-// Open an input device. Opening may put the calling thread to sleep, and
-// therefore should be run on a thread where latency is not critical. We
-// run it on a thread from the worker pool.
-//
-// This takes a TaskRunner and runs the reply on that thread, so that we
-// can hop threads if necessary (back to the UI thread).
-void OpenInputDevice(scoped_ptr<OpenInputDeviceParams> params,
-                     scoped_refptr<base::TaskRunner> reply_runner,
-                     const OpenInputDeviceReplyCallback& reply_callback) {
-  const base::FilePath& path = params->path;
-
-  TRACE_EVENT1("ozone", "OpenInputDevice", "path", path.value());
-
-  int fd = open(path.value().c_str(), O_RDONLY | O_NONBLOCK);
-  if (fd < 0) {
-    PLOG(ERROR) << "Cannot open '" << path.value();
-    return;
-  }
-
-  // Use monotonic timestamps for events. The touch code in particular
-  // expects event timestamps to correlate to the monotonic clock
-  // (base::TimeTicks).
-  unsigned int clk = CLOCK_MONOTONIC;
-  if (ioctl(fd, EVIOCSCLOCKID, &clk))
-    PLOG(ERROR) << "failed to set CLOCK_MONOTONIC";
-
-  EventDeviceInfo devinfo;
-  if (!devinfo.Initialize(fd)) {
-    LOG(ERROR) << "failed to get device information for " << path.value();
-    close(fd);
-    return;
-  }
-
-  scoped_ptr<EventConverterEvdev> converter =
-      CreateConverter(*params, fd, devinfo);
-
-  // Reply with the constructed converter.
-  reply_runner->PostTask(FROM_HERE,
-                         base::Bind(reply_callback, base::Passed(&converter)));
-}
-
-// Close an input device. Closing may put the calling thread to sleep, and
-// therefore should be run on a thread where latency is not critical. We
-// run it on the FILE thread.
-void CloseInputDevice(const base::FilePath& path,
-                      scoped_ptr<EventConverterEvdev> converter) {
-  TRACE_EVENT1("ozone", "CloseInputDevice", "path", path.value());
-  converter.reset();
-}
-
-}  // namespace
-
-EventFactoryEvdev::EventFactoryEvdev(CursorDelegateEvdev* cursor,
-                                     DeviceManager* device_manager)
-    : last_device_id_(0),
-      device_manager_(device_manager),
-      dispatch_callback_(
-          base::Bind(&EventFactoryEvdev::PostUiEvent, base::Unretained(this))),
-      keyboard_(&modifiers_, dispatch_callback_),
-      cursor_(cursor),
-#if defined(USE_EVDEV_GESTURES)
-      gesture_property_provider_(new GesturePropertyProvider),
-#endif
-      weak_ptr_factory_(this) {
-  DCHECK(device_manager_);
-}
-
-EventFactoryEvdev::~EventFactoryEvdev() { STLDeleteValues(&converters_); }
-
-void EventFactoryEvdev::PostUiEvent(scoped_ptr<Event> event) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&EventFactoryEvdev::DispatchUiEventTask,
-                 weak_ptr_factory_.GetWeakPtr(),
-                 base::Passed(&event)));
-}
-
-void EventFactoryEvdev::DispatchUiEventTask(scoped_ptr<Event> event) {
-  DispatchEvent(event.get());
-}
-
-void EventFactoryEvdev::AttachInputDevice(
-    scoped_ptr<EventConverterEvdev> converter) {
-  const base::FilePath& path = converter->path();
-
-  TRACE_EVENT1("ozone", "AttachInputDevice", "path", path.value());
-  DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-
-  // If we have an existing device, detach it. We don't want two
-  // devices with the same name open at the same time.
-  if (converters_[path])
-    DetachInputDevice(path);
-
-  // Add initialized device to map.
-  converters_[path] = converter.release();
-  converters_[path]->Start();
-
-  NotifyHotplugEventObserver(*converters_[path]);
-}
-
-void EventFactoryEvdev::OnDeviceEvent(const DeviceEvent& event) {
-  if (event.device_type() != DeviceEvent::INPUT)
-    return;
-
-  switch (event.action_type()) {
-    case DeviceEvent::ADD:
-    case DeviceEvent::CHANGE: {
-      TRACE_EVENT1("ozone", "OnDeviceAdded", "path", event.path().value());
-
-      scoped_ptr<OpenInputDeviceParams> params(new OpenInputDeviceParams);
-      params->id = NextDeviceId();
-      params->path = event.path();
-      params->dispatch_callback = dispatch_callback_;
-      params->modifiers = &modifiers_;
-      params->keyboard = &keyboard_;
-      params->cursor = cursor_;
-#if defined(USE_EVDEV_GESTURES)
-      params->gesture_property_provider = gesture_property_provider_.get();
-#endif
-
-      OpenInputDeviceReplyCallback reply_callback =
-          base::Bind(&EventFactoryEvdev::AttachInputDevice,
-                     weak_ptr_factory_.GetWeakPtr());
-
-      // Dispatch task to open from the worker pool, since open may block.
-      base::WorkerPool::PostTask(FROM_HERE,
-                                 base::Bind(&OpenInputDevice,
-                                            base::Passed(&params),
-                                            ui_task_runner_,
-                                            reply_callback),
-                                 true /* task_is_slow */);
-    }
-      break;
-    case DeviceEvent::REMOVE: {
-      TRACE_EVENT1("ozone", "OnDeviceRemoved", "path", event.path().value());
-      DetachInputDevice(event.path());
-    }
-      break;
-  }
-}
-
-void EventFactoryEvdev::OnDispatcherListChanged() {
-  if (!ui_task_runner_.get()) {
-    ui_task_runner_ = base::ThreadTaskRunnerHandle::Get();
-    // Scan & monitor devices.
-    device_manager_->AddObserver(this);
-    device_manager_->ScanDevices(this);
-  }
-}
-
-void EventFactoryEvdev::DetachInputDevice(const base::FilePath& path) {
-  TRACE_EVENT1("ozone", "DetachInputDevice", "path", path.value());
-  DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-
-  // Remove device from map.
-  scoped_ptr<EventConverterEvdev> converter(converters_[path]);
-  converters_.erase(path);
-
-  if (converter) {
-    // Cancel libevent notifications from this converter. This part must be
-    // on UI since the polling happens on UI.
-    converter->Stop();
-
-    NotifyHotplugEventObserver(*converter);
-
-    // Dispatch task to close from the worker pool, since close may block.
-    base::WorkerPool::PostTask(
-        FROM_HERE,
-        base::Bind(&CloseInputDevice, path, base::Passed(&converter)),
-        true);
-  }
-}
-
-void EventFactoryEvdev::WarpCursorTo(gfx::AcceleratedWidget widget,
-                                     const gfx::PointF& location) {
-  if (cursor_) {
-    cursor_->MoveCursorTo(widget, location);
-    PostUiEvent(make_scoped_ptr(new MouseEvent(ET_MOUSE_MOVED,
-                                               cursor_->location(),
-                                               cursor_->location(),
-                                               modifiers_.GetModifierFlags(),
-                                               /* changed_button_flags */ 0)));
-  }
-}
-
-void EventFactoryEvdev::NotifyHotplugEventObserver(
-    const EventConverterEvdev& converter) {
-  // For now the only information propagated is related to touchscreens. Ignore
-  // events for everything but touchscreens.
-  if (!converter.HasTouchscreen())
-    return;
-
-  DeviceHotplugEventObserver* observer = DeviceDataManager::GetInstance();
-  std::vector<TouchscreenDevice> touchscreens;
-  for (auto it = converters_.begin(); it != converters_.end(); ++it) {
-    if (it->second->HasTouchscreen()) {
-      touchscreens.push_back(TouchscreenDevice(it->second->id(),
-                                               it->second->GetTouchscreenSize(),
-                                               false /* is_internal */));
-    }
-  }
-
-  observer->OnTouchscreenDevicesUpdated(touchscreens);
-}
-
-int EventFactoryEvdev::NextDeviceId() {
-  return ++last_device_id_;
-}
-
-}  // namespace ui