ui/events/ozone/evdev/input_injector_evdev.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/events/event.h"
   6 #include "ui/events/event_utils.h"
   7 #include "ui/events/keycodes/dom3/dom_code.h"
   8 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
   9 #include "ui/events/ozone/evdev/device_event_dispatcher_evdev.h"
  10 #include "ui/events/ozone/evdev/event_modifiers_evdev.h"
  11 #include "ui/events/ozone/evdev/input_injector_evdev.h"
  12 #include "ui/events/ozone/evdev/keyboard_evdev.h"
  13 #include "ui/events/ozone/evdev/keyboard_util_evdev.h"
  14
  15 namespace ui {
  16
  17 namespace {
  18
  19 const int kDeviceIdForInjection = -1;
  20
  21 }  // namespace
  22
  23 InputInjectorEvdev::InputInjectorEvdev(
  24     scoped_ptr<DeviceEventDispatcherEvdev> dispatcher,
  25     CursorDelegateEvdev* cursor)
  26     : cursor_(cursor), dispatcher_(dispatcher.Pass()) {
  27 }
  28
  29 InputInjectorEvdev::~InputInjectorEvdev() {
  30 }
  31
  32 void InputInjectorEvdev::InjectMouseButton(EventFlags button, bool down) {
  33   unsigned int code;
  34   switch (button) {
  35     case EF_LEFT_MOUSE_BUTTON:
  36       code = BTN_LEFT;
  37       break;
  38     case EF_RIGHT_MOUSE_BUTTON:
  39       code = BTN_RIGHT;
  40       break;
  41     case EF_MIDDLE_MOUSE_BUTTON:
  42       code = BTN_MIDDLE;
  43     default:
  44       LOG(WARNING) << "Invalid flag: " << button << " for the button parameter";
  45       return;
  46   }
  47
  48   dispatcher_->DispatchMouseButtonEvent(MouseButtonEventParams(
  49       kDeviceIdForInjection, cursor_->GetLocation(), code, down,
  50       false /* allow_remap */, EventTimeForNow()));
  51 }
  52
  53 void InputInjectorEvdev::InjectMouseWheel(int delta_x, int delta_y) {
  54   dispatcher_->DispatchMouseWheelEvent(MouseWheelEventParams(
  55       kDeviceIdForInjection, cursor_->GetLocation(),
  56       gfx::Vector2d(delta_x, delta_y), EventTimeForNow()));
  57 }
  58
  59 void InputInjectorEvdev::MoveCursorTo(const gfx::PointF& location) {
  60   if (!cursor_)
  61     return;
  62
  63   cursor_->MoveCursorTo(location);
  64
  65   dispatcher_->DispatchMouseMoveEvent(MouseMoveEventParams(
  66       kDeviceIdForInjection, cursor_->GetLocation(), EventTimeForNow()));
  67 }
  68
  69 void InputInjectorEvdev::InjectKeyPress(DomCode physical_key, bool down) {
  70   if (physical_key == DomCode::NONE) {
  71     return;
  72   }
  73
  74   int native_keycode = KeycodeConverter::DomCodeToNativeKeycode(physical_key);
  75   int evdev_code = NativeCodeToEvdevCode(native_keycode);
  76
  77   dispatcher_->DispatchKeyEvent(KeyEventParams(
  78       kDeviceIdForInjection, evdev_code, down, EventTimeForNow()));
  79 }
  80
  81 }  // namespace ui
  82