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// Copyright (c) 2013 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/event.h"
#include "ui/events/event_constants.h"
#include "ui/events/event_utils.h"
namespace ui {
void UpdateDeviceList() { NOTIMPLEMENTED(); }
base::TimeDelta EventTimeFromNative(const base::NativeEvent& native_event) {
const ui::Event* event = static_cast<const ui::Event*>(native_event);
return event->time_stamp();
}
int EventFlagsFromNative(const base::NativeEvent& native_event) {
const ui::Event* event = static_cast<const ui::Event*>(native_event);
return event->flags();
}
EventType EventTypeFromNative(const base::NativeEvent& native_event) {
const ui::Event* event = static_cast<const ui::Event*>(native_event);
return event->type();
}
gfx::Point EventSystemLocationFromNative(
const base::NativeEvent& native_event) {
const ui::LocatedEvent* e =
static_cast<const ui::LocatedEvent*>(native_event);
DCHECK(e->IsMouseEvent() || e->IsTouchEvent() || e->IsGestureEvent() ||
e->IsScrollEvent());
return e->location();
}
gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
return EventSystemLocationFromNative(native_event);
}
int GetChangedMouseButtonFlagsFromNative(
const base::NativeEvent& native_event) {
const ui::MouseEvent* event =
static_cast<const ui::MouseEvent*>(native_event);
DCHECK(event->IsMouseEvent() || event->IsScrollEvent());
return event->changed_button_flags();
}
PointerDetails GetMousePointerDetailsFromNative(
const base::NativeEvent& native_event) {
const ui::MouseEvent* event =
static_cast<const ui::MouseEvent*>(native_event);
DCHECK(event->IsMouseEvent() || event->IsScrollEvent());
return event->pointer_details();
}
KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
DCHECK(event->IsKeyEvent());
return event->key_code();
}
DomCode CodeFromNative(const base::NativeEvent& native_event) {
const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
DCHECK(event->IsKeyEvent());
return event->code();
}
bool IsCharFromNative(const base::NativeEvent& native_event) {
const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
DCHECK(event->IsKeyEvent());
return event->is_char();
}
gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
const ui::MouseWheelEvent* event =
static_cast<const ui::MouseWheelEvent*>(native_event);
DCHECK(event->type() == ET_MOUSEWHEEL);
return event->offset();
}
base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
return NULL;
}
void ReleaseCopiedNativeEvent(const base::NativeEvent& event) {
}
void ClearTouchIdIfReleased(const base::NativeEvent& xev) {
}
int GetTouchId(const base::NativeEvent& native_event) {
const ui::TouchEvent* event =
static_cast<const ui::TouchEvent*>(native_event);
DCHECK(event->IsTouchEvent());
return event->touch_id();
}
PointerDetails GetTouchPointerDetailsFromNative(
const base::NativeEvent& native_event) {
const ui::TouchEvent* event =
static_cast<const ui::TouchEvent*>(native_event);
DCHECK(event->IsTouchEvent());
return event->pointer_details();
}
float GetTouchAngle(const base::NativeEvent& native_event) {
const ui::TouchEvent* event =
static_cast<const ui::TouchEvent*>(native_event);
DCHECK(event->IsTouchEvent());
return event->rotation_angle();
}
bool GetScrollOffsets(const base::NativeEvent& native_event,
float* x_offset,
float* y_offset,
float* x_offset_ordinal,
float* y_offset_ordinal,
int* finger_count) {
const ui::ScrollEvent* event =
static_cast<const ui::ScrollEvent*>(native_event);
DCHECK(event->IsScrollEvent());
if (x_offset)
*x_offset = event->x_offset();
if (y_offset)
*y_offset = event->y_offset();
if (x_offset_ordinal)
*x_offset_ordinal = event->x_offset_ordinal();
if (y_offset_ordinal)
*y_offset_ordinal = event->y_offset_ordinal();
if (finger_count)
*finger_count = event->finger_count();
return true;
}
bool GetFlingData(const base::NativeEvent& native_event,
float* vx,
float* vy,
float* vx_ordinal,
float* vy_ordinal,
bool* is_cancel) {
const ui::ScrollEvent* event =
static_cast<const ui::ScrollEvent*>(native_event);
DCHECK(event->IsScrollEvent());
if (vx)
*vx = event->x_offset();
if (vy)
*vy = event->y_offset();
if (vx_ordinal)
*vx_ordinal = event->x_offset_ordinal();
if (vy_ordinal)
*vy_ordinal = event->y_offset_ordinal();
if (is_cancel)
*is_cancel = event->type() == ET_SCROLL_FLING_CANCEL;
return true;
}
} // namespace ui
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