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 DomCode 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();
  61 }
  62
  63 bool IsCharFromNative(const base::NativeEvent& native_event) {
  64   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
  65   DCHECK(event->IsKeyEvent());
  66   return event->is_char();
  67 }
  68
  69 gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
  70   const ui::MouseWheelEvent* event =
  71       static_cast<const ui::MouseWheelEvent*>(native_event);
  72   DCHECK(event->type() == ET_MOUSEWHEEL);
  73   return event->offset();
  74 }
  75
  76 base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
  77   return NULL;
  78 }
  79
  80 void ReleaseCopiedNativeEvent(const base::NativeEvent& event) {
  81 }
  82
  83 void ClearTouchIdIfReleased(const base::NativeEvent& xev) {
  84 }
  85
  86 int GetTouchId(const base::NativeEvent& native_event) {
  87   const ui::TouchEvent* event =
  88       static_cast<const ui::TouchEvent*>(native_event);
  89   DCHECK(event->IsTouchEvent());
  90   return event->touch_id();
  91 }
  92
  93 float GetTouchRadiusX(const base::NativeEvent& native_event) {
  94   const ui::TouchEvent* event =
  95       static_cast<const ui::TouchEvent*>(native_event);
  96   DCHECK(event->IsTouchEvent());
  97   return event->pointer_details().radius_x();
  98 }
  99
 100 float GetTouchRadiusY(const base::NativeEvent& native_event) {
 101   const ui::TouchEvent* event =
 102       static_cast<const ui::TouchEvent*>(native_event);
 103   DCHECK(event->IsTouchEvent());
 104   return event->pointer_details().radius_y();
 105 }
 106
 107 float GetTouchAngle(const base::NativeEvent& native_event) {
 108   const ui::TouchEvent* event =
 109       static_cast<const ui::TouchEvent*>(native_event);
 110   DCHECK(event->IsTouchEvent());
 111   return event->rotation_angle();
 112 }
 113
 114 float GetTouchForce(const base::NativeEvent& native_event) {
 115   const ui::TouchEvent* event =
 116       static_cast<const ui::TouchEvent*>(native_event);
 117   DCHECK(event->IsTouchEvent());
 118   return event->pointer_details().force();
 119 }
 120
 121 bool GetScrollOffsets(const base::NativeEvent& native_event,
 122                       float* x_offset,
 123                       float* y_offset,
 124                       float* x_offset_ordinal,
 125                       float* y_offset_ordinal,
 126                       int* finger_count) {
 127   const ui::ScrollEvent* event =
 128       static_cast<const ui::ScrollEvent*>(native_event);
 129   DCHECK(event->IsScrollEvent());
 130   if (x_offset)
 131     *x_offset = event->x_offset();
 132   if (y_offset)
 133     *y_offset = event->y_offset();
 134   if (x_offset_ordinal)
 135     *x_offset_ordinal = event->x_offset_ordinal();
 136   if (y_offset_ordinal)
 137     *y_offset_ordinal = event->y_offset_ordinal();
 138   if (finger_count)
 139     *finger_count = event->finger_count();
 140
 141   return true;
 142 }
 143
 144 bool GetFlingData(const base::NativeEvent& native_event,
 145                   float* vx,
 146                   float* vy,
 147                   float* vx_ordinal,
 148                   float* vy_ordinal,
 149                   bool* is_cancel) {
 150   const ui::ScrollEvent* event =
 151       static_cast<const ui::ScrollEvent*>(native_event);
 152   DCHECK(event->IsScrollEvent());
 153   if (vx)
 154     *vx = event->x_offset();
 155   if (vy)
 156     *vy = event->y_offset();
 157   if (vx_ordinal)
 158     *vx_ordinal = event->x_offset_ordinal();
 159   if (vy_ordinal)
 160     *vy_ordinal = event->y_offset_ordinal();
 161   if (is_cancel)
 162     *is_cancel = event->type() == ET_SCROLL_FLING_CANCEL;
 163
 164   return true;
 165 }
 166
 167 int GetModifiersFromKeyState() {
 168   NOTIMPLEMENTED();
 169   return 0;
 170 }
 171
 172 void DispatchEventFromNativeUiEvent(const base::NativeEvent& native_event,
 173                                     base::Callback<void(ui::Event*)> callback) {
 174   const ui::Event* native_ui_event = static_cast<ui::Event*>(native_event);
 175   if (native_ui_event->IsKeyEvent()) {
 176     ui::KeyEvent key_event(native_event);
 177     callback.Run(&key_event);
 178   } else if (native_ui_event->IsMouseWheelEvent()) {
 179     ui::MouseWheelEvent wheel_event(native_event);
 180     callback.Run(&wheel_event);
 181   } else if (native_ui_event->IsMouseEvent()) {
 182     ui::MouseEvent mouse_event(native_event);
 183     callback.Run(&mouse_event);
 184   } else if (native_ui_event->IsTouchEvent()) {
 185     ui::TouchEvent touch_event(native_event);
 186     callback.Run(&touch_event);
 187   } else if (native_ui_event->IsScrollEvent()) {
 188     ui::ScrollEvent scroll_event(native_event);
 189     callback.Run(&scroll_event);
 190   } else {
 191     NOTREACHED();
 192   }
 193 }
 194
 195 }  // namespace ui