WebCore: Remove PLATFORM(WIN) files we do not use.

Source/WebCore/platform/win/WheelEventWin.cpp

-/*
- * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#include "config.h"
-#include "PlatformWheelEvent.h"
-
-#include "FloatPoint.h"
-#include "FloatSize.h"
-#include <windows.h>
-#include <windowsx.h>
-
-namespace WebCore {
-
-#define HIGH_BIT_MASK_SHORT 0x8000
-#define SPI_GETWHEELSCROLLCHARS 0x006C
-
-static IntPoint positionForEvent(HWND hWnd, LPARAM lParam)
-{
-    POINT point = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
-    ScreenToClient(hWnd, &point);
-    return point;
-}
-
-static IntPoint globalPositionForEvent(HWND hWnd, LPARAM lParam)
-{
-    POINT point = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
-    return point;
-}
-
-static int horizontalScrollChars()
-{
-    static ULONG scrollChars;
-    if (!scrollChars && !SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0, &scrollChars, 0))
-        scrollChars = 1;
-    return scrollChars;
-}
-
-static int verticalScrollLines()
-{
-    static ULONG scrollLines;
-    if (!scrollLines && !SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &scrollLines, 0))
-        scrollLines = 3;
-    return scrollLines;
-}
-
-PlatformWheelEvent::PlatformWheelEvent(HWND hWnd, const FloatSize& delta, const FloatPoint& location)
-    : PlatformEvent(PlatformEvent::Wheel, false, false, false, false, ::GetTickCount() * 0.001)
-    , m_directionInvertedFromDevice(false)
-{
-    m_deltaX = delta.width();
-    m_deltaY = delta.height();
-
-    m_wheelTicksX = m_deltaX;
-    m_wheelTicksY = m_deltaY;
-
-    // Global Position is just x, y location of event
-    POINT point = {location.x(), location.y()};
-    m_globalPosition = point;
-
-    // Position needs to be translated to our client
-    ScreenToClient(hWnd, &point);
-    m_position = point;
-}
-
-PlatformWheelEvent::PlatformWheelEvent(HWND hWnd, WPARAM wParam, LPARAM lParam, bool isMouseHWheel)
-    : PlatformEvent(PlatformEvent::Wheel, wParam & MK_SHIFT, wParam & MK_CONTROL, GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT, GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT, ::GetTickCount() * 0.001)
-    , m_position(positionForEvent(hWnd, lParam))
-    , m_globalPosition(globalPositionForEvent(hWnd, lParam))
-    , m_directionInvertedFromDevice(false)
-{
-    // How many pixels should we scroll per line?  Gecko uses the height of the
-    // current line, which means scroll distance changes as you go through the
-    // page or go to different pages.  IE 7 is ~50 px/line, although the value
-    // seems to vary slightly by page and zoom level.  Since IE 7 has a
-    // smoothing algorithm on scrolling, it can get away with slightly larger
-    // scroll values without feeling jerky.  Here we use 100 px per three lines
-    // (the default scroll amount on Windows is three lines per wheel tick).
-    static const float cScrollbarPixelsPerLine = 100.0f / 3.0f;
-    float delta = GET_WHEEL_DELTA_WPARAM(wParam) / static_cast<float>(WHEEL_DELTA);
-    if (isMouseHWheel) {
-        // Windows is <-- -/+ -->, WebKit wants <-- +/- -->, so we negate
-        // |delta| after saving the original value on the wheel tick member.
-        m_wheelTicksX = delta;
-        m_wheelTicksY = 0;
-        delta = -delta;
-    } else {
-        // Even though we use shift + vertical wheel to scroll horizontally in
-        // WebKit, we still note it as a vertical scroll on the wheel tick
-        // member, so that the DOM event we later construct will match the real
-        // hardware event better.
-        m_wheelTicksX = 0;
-        m_wheelTicksY = delta;
-    }
-    if (isMouseHWheel || shiftKey()) {
-        m_deltaX = delta * static_cast<float>(horizontalScrollChars()) * cScrollbarPixelsPerLine;
-        m_deltaY = 0;
-        m_granularity = ScrollByPixelWheelEvent;
-    } else {
-        m_deltaX = 0;
-        m_deltaY = delta;
-        int verticalMultiplier = verticalScrollLines();
-        m_granularity = (verticalMultiplier == WHEEL_PAGESCROLL) ? ScrollByPageWheelEvent : ScrollByPixelWheelEvent;
-        if (m_granularity == ScrollByPixelWheelEvent)
-            m_deltaY *= static_cast<float>(verticalMultiplier) * cScrollbarPixelsPerLine;
-    }
-}
-
-}