third_party/WebKit/Source/web/WebInputEvent.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "public/platform/WebInputEvent.h"

#include <ctype.h>
#include "platform/KeyboardCodes.h"
#include "platform/wtf/ASCIICType.h"
#include "platform/wtf/Assertions.h"
#include "platform/wtf/StringExtras.h"
#include "public/platform/WebGestureEvent.h"
#include "public/platform/WebKeyboardEvent.h"
#include "public/platform/WebMouseWheelEvent.h"
#include "public/platform/WebTouchEvent.h"

namespace blink {

struct SameSizeAsWebInputEvent {
  int input_data[8];
};

struct SameSizeAsWebKeyboardEvent : public SameSizeAsWebInputEvent {
  int keyboard_data[9];
};

struct SameSizeAsWebMouseEvent : public SameSizeAsWebInputEvent {
  int mouse_data[15];
};

struct SameSizeAsWebMouseWheelEvent : public SameSizeAsWebMouseEvent {
  int mousewheel_data[12];
};

struct SameSizeAsWebGestureEvent : public SameSizeAsWebInputEvent {
  int gesture_data[14];
};

struct SameSizeAsWebTouchEvent : public SameSizeAsWebInputEvent {
  WebTouchPoint touch_points[WebTouchEvent::kTouchesLengthCap];
  int touch_data[4];
};

static_assert(sizeof(WebInputEvent) == sizeof(SameSizeAsWebInputEvent),
              "WebInputEvent should not have gaps");
static_assert(sizeof(WebKeyboardEvent) == sizeof(SameSizeAsWebKeyboardEvent),
              "WebKeyboardEvent should not have gaps");
static_assert(sizeof(WebMouseEvent) == sizeof(SameSizeAsWebMouseEvent),
              "WebMouseEvent should not have gaps");
static_assert(sizeof(WebMouseWheelEvent) ==
                  sizeof(SameSizeAsWebMouseWheelEvent),
              "WebMouseWheelEvent should not have gaps");
static_assert(sizeof(WebGestureEvent) == sizeof(SameSizeAsWebGestureEvent),
              "WebGestureEvent should not have gaps");
static_assert(sizeof(WebTouchEvent) == sizeof(SameSizeAsWebTouchEvent),
              "WebTouchEvent should not have gaps");

}  // namespace blink