src/ui/events/ozone/events_ozone.cc

   1 // Copyright (c) 2013 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/ozone/events_ozone.h"
   6
   7 #include "ui/events/event.h"
   8 #include "ui/events/event_constants.h"
   9 #include "ui/events/event_utils.h"
  10
  11 namespace ui {
  12
  13 void UpdateDeviceList() { NOTIMPLEMENTED(); }
  14
  15 base::TimeDelta EventTimeFromNative(const base::NativeEvent& native_event) {
  16   const ui::Event* event = static_cast<const ui::Event*>(native_event);
  17   return event->time_stamp();
  18 }
  19
  20 int EventFlagsFromNative(const base::NativeEvent& native_event) {
  21   const ui::Event* event = static_cast<const ui::Event*>(native_event);
  22   return event->flags();
  23 }
  24
  25 EventType EventTypeFromNative(const base::NativeEvent& native_event) {
  26   const ui::Event* event = static_cast<const ui::Event*>(native_event);
  27   return event->type();
  28 }
  29
  30 gfx::Point EventSystemLocationFromNative(
  31     const base::NativeEvent& native_event) {
  32   const ui::LocatedEvent* e =
  33       static_cast<const ui::LocatedEvent*>(native_event);
  34   DCHECK(e->IsMouseEvent() || e->IsTouchEvent() || e->IsGestureEvent() ||
  35          e->IsScrollEvent());
  36   return e->location();
  37 }
  38
  39 gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
  40   return EventSystemLocationFromNative(native_event);
  41 }
  42
  43 int GetChangedMouseButtonFlagsFromNative(
  44     const base::NativeEvent& native_event) {
  45   const ui::MouseEvent* event =
  46       static_cast<const ui::MouseEvent*>(native_event);
  47   DCHECK(event->IsMouseEvent() || event->IsScrollEvent());
  48   return event->changed_button_flags();
  49 }
  50
  51 KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
  52   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
  53   DCHECK(event->IsKeyEvent());
  54   return event->key_code();
  55 }
  56
  57 const char* CodeFromNative(const base::NativeEvent& native_event) {
  58   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
  59   DCHECK(event->IsKeyEvent());
  60   return event->code().c_str();
  61 }
  62
  63 uint32 PlatformKeycodeFromNative(const base::NativeEvent& native_event) {
  64   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
  65   DCHECK(event->IsKeyEvent());
  66   return event->platform_keycode();
  67 }
  68
  69 bool IsCharFromNative(const base::NativeEvent& native_event) {
  70   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
  71   DCHECK(event->IsKeyEvent());
  72   return event->is_char();
  73 }
  74
  75 gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
  76   const ui::MouseWheelEvent* event =
  77       static_cast<const ui::MouseWheelEvent*>(native_event);
  78   DCHECK(event->type() == ET_MOUSEWHEEL);
  79   return event->offset();
  80 }
  81
  82 base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
  83   return NULL;
  84 }
  85
  86 void ReleaseCopiedNativeEvent(const base::NativeEvent& event) {
  87 }
  88
  89 void IncrementTouchIdRefCount(const base::NativeEvent& event) {
  90 }
  91
  92 void ClearTouchIdIfReleased(const base::NativeEvent& xev) {
  93 }
  94
  95 int GetTouchId(const base::NativeEvent& native_event) {
  96   const ui::TouchEvent* event =
  97       static_cast<const ui::TouchEvent*>(native_event);
  98   DCHECK(event->IsTouchEvent());
  99   return event->touch_id();
 100 }
 101
 102 float GetTouchRadiusX(const base::NativeEvent& native_event) {
 103   const ui::TouchEvent* event =
 104       static_cast<const ui::TouchEvent*>(native_event);
 105   DCHECK(event->IsTouchEvent());
 106   return event->radius_x();
 107 }
 108
 109 float GetTouchRadiusY(const base::NativeEvent& native_event) {
 110   const ui::TouchEvent* event =
 111       static_cast<const ui::TouchEvent*>(native_event);
 112   DCHECK(event->IsTouchEvent());
 113   return event->radius_y();
 114 }
 115
 116 float GetTouchAngle(const base::NativeEvent& native_event) {
 117   const ui::TouchEvent* event =
 118       static_cast<const ui::TouchEvent*>(native_event);
 119   DCHECK(event->IsTouchEvent());
 120   return event->rotation_angle();
 121 }
 122
 123 float GetTouchForce(const base::NativeEvent& native_event) {
 124   const ui::TouchEvent* event =
 125       static_cast<const ui::TouchEvent*>(native_event);
 126   DCHECK(event->IsTouchEvent());
 127   return event->force();
 128 }
 129
 130 bool GetScrollOffsets(const base::NativeEvent& native_event,
 131                       float* x_offset,
 132                       float* y_offset,
 133                       float* x_offset_ordinal,
 134                       float* y_offset_ordinal,
 135                       int* finger_count) {
 136   const ui::ScrollEvent* event =
 137       static_cast<const ui::ScrollEvent*>(native_event);
 138   DCHECK(event->IsScrollEvent());
 139   if (x_offset)
 140     *x_offset = event->x_offset();
 141   if (y_offset)
 142     *y_offset = event->y_offset();
 143   if (x_offset_ordinal)
 144     *x_offset_ordinal = event->x_offset_ordinal();
 145   if (y_offset_ordinal)
 146     *y_offset_ordinal = event->y_offset_ordinal();
 147   if (finger_count)
 148     *finger_count = event->finger_count();
 149
 150   return true;
 151 }
 152
 153 bool GetFlingData(const base::NativeEvent& native_event,
 154                   float* vx,
 155                   float* vy,
 156                   float* vx_ordinal,
 157                   float* vy_ordinal,
 158                   bool* is_cancel) {
 159   const ui::ScrollEvent* event =
 160       static_cast<const ui::ScrollEvent*>(native_event);
 161   DCHECK(event->IsScrollEvent());
 162   if (vx)
 163     *vx = event->x_offset();
 164   if (vy)
 165     *vy = event->y_offset();
 166   if (vx_ordinal)
 167     *vx_ordinal = event->x_offset_ordinal();
 168   if (vy_ordinal)
 169     *vy_ordinal = event->y_offset_ordinal();
 170   if (is_cancel)
 171     *is_cancel = event->type() == ET_SCROLL_FLING_CANCEL;
 172
 173   return true;
 174 }
 175
 176 int GetModifiersFromKeyState() {
 177   NOTIMPLEMENTED();
 178   return 0;
 179 }
 180
 181 void DispatchEventFromNativeUiEvent(const base::NativeEvent& native_event,
 182                                     base::Callback<void(ui::Event*)> callback) {
 183   const ui::Event* native_ui_event = static_cast<ui::Event*>(native_event);
 184   if (native_ui_event->IsKeyEvent()) {
 185     ui::KeyEvent key_event(native_event);
 186     callback.Run(&key_event);
 187   } else if (native_ui_event->IsMouseEvent()) {
 188     ui::MouseEvent mouse_event(native_event);
 189     callback.Run(&mouse_event);
 190   } else if (native_ui_event->IsTouchEvent()) {
 191     ui::TouchEvent touch_event(native_event);
 192     callback.Run(&touch_event);
 193   } else if (native_ui_event->IsScrollEvent()) {
 194     ui::ScrollEvent scroll_event(native_event);
 195     callback.Run(&scroll_event);
 196   } else {
 197     NOTREACHED();
 198   }
 199 }
 200
 201 }  // namespace ui