// Copyright (c) 2012 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/views/events/event.h"

#include "base/logging.h"
#include "ui/aura/event.h"
#include "ui/base/keycodes/keyboard_code_conversion.h"

namespace views {

////////////////////////////////////////////////////////////////////////////////
// LocatedEvent, protected:

LocatedEvent::LocatedEvent(const NativeEvent& native_event)
    : Event(native_event, native_event->type(), native_event->flags()),
      location_(static_cast<aura::LocatedEvent*>(native_event)->location()) {
}

////////////////////////////////////////////////////////////////////////////////
// TouchEvent, public:

TouchEvent::TouchEvent(const NativeEvent& event)
    : LocatedEvent(event),
      touch_id_(static_cast<aura::TouchEvent*>(event)->touch_id()),
      radius_x_(static_cast<aura::TouchEvent*>(event)->radius_x()),
      radius_y_(static_cast<aura::TouchEvent*>(event)->radius_y()),
      rotation_angle_(static_cast<aura::TouchEvent*>(event)->rotation_angle()),
      force_(static_cast<aura::TouchEvent*>(event)->force()) {
}

////////////////////////////////////////////////////////////////////////////////
// KeyEvent, public:

KeyEvent::KeyEvent(const NativeEvent& native_event)
    : Event(native_event, native_event->type(), native_event->flags()),
      key_code_(static_cast<aura::KeyEvent*>(native_event)->key_code()),
      character_(ui::GetCharacterFromKeyCode(key_code_, flags())),
      unmodified_character_(0) {
}

uint16 KeyEvent::GetCharacter() const {
  return character_;
}

uint16 KeyEvent::GetUnmodifiedCharacter() const {
  if (unmodified_character_)
    return unmodified_character_;

  return ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
}

////////////////////////////////////////////////////////////////////////////////
// MouseWheelEvent, public:

MouseWheelEvent::MouseWheelEvent(const NativeEvent& native_event)
    : MouseEvent(native_event),
      offset_(ui::GetMouseWheelOffset(native_event->native_event())) {
}

////////////////////////////////////////////////////////////////////////////////
// ScrollEvent, public:

ScrollEvent::ScrollEvent(const NativeEvent& native_event)
    : MouseEvent(native_event) {
  CHECK(ui::GetScrollOffsets(
      native_event->native_event(), &x_offset_, &y_offset_));
}

////////////////////////////////////////////////////////////////////////////////
// GestureEvent, public:

GestureEvent::GestureEvent(const NativeEvent& event)
    : LocatedEvent(event),
      delta_x_(static_cast<aura::GestureEvent*>(event)->delta_x()),
      delta_y_(static_cast<aura::GestureEvent*>(event)->delta_y()) {
}

int GestureEvent::GetLowestTouchId() const {
  return native_event() ?  static_cast<aura::GestureEvent*>(
      native_event())->GetLowestTouchId() : 0;
}

}  // namespace views