Revert "Remove web/{android, gtk, win}"

Source/web/WebInputEventFactoryWin.cpp

Index: Source/web/WebInputEventFactoryWin.cpp
diff --git a/Source/web/WebInputEventFactoryWin.cpp b/Source/web/WebInputEventFactoryWin.cpp
deleted file mode 100644
index 11f83429258bfdaa9914fa07cc921d1175bb1453..0000000000000000000000000000000000000000
--- a/Source/web/WebInputEventFactoryWin.cpp
+++ /dev/null
@@ -1,489 +0,0 @@
-/*
- * Copyright (C) 2006-2009 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
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * 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
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER 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 "WebInputEventFactory.h"
-
-#include "WebInputEvent.h"
-
-#include "wtf/Assertions.h"
-
-namespace WebKit {
-
-static const unsigned long defaultScrollLinesPerWheelDelta = 3;
-static const unsigned long defaultScrollCharsPerWheelDelta = 1;
-
-// WebKeyboardEvent -----------------------------------------------------------
-
-static bool isKeyDown(WPARAM wparam)
-{
-    return GetKeyState(wparam) & 0x8000;
-}
-
-static int getLocationModifier(WPARAM wparam, LPARAM lparam)
-{
-    int modifier = 0;
-    switch (wparam) {
-    case VK_RETURN:
-        if ((lparam >> 16) & KF_EXTENDED)
-            modifier = WebInputEvent::IsKeyPad;
-        break;
-    case VK_INSERT:
-    case VK_DELETE:
-    case VK_HOME:
-    case VK_END:
-    case VK_PRIOR:
-    case VK_NEXT:
-    case VK_UP:
-    case VK_DOWN:
-    case VK_LEFT:
-    case VK_RIGHT:
-        if (!((lparam >> 16) & KF_EXTENDED))
-            modifier = WebInputEvent::IsKeyPad;
-        break;
-    case VK_NUMPAD0:
-    case VK_NUMPAD1:
-    case VK_NUMPAD2:
-    case VK_NUMPAD3:
-    case VK_NUMPAD4:
-    case VK_NUMPAD5:
-    case VK_NUMPAD6:
-    case VK_NUMPAD7:
-    case VK_NUMPAD8:
-    case VK_NUMPAD9:
-    case VK_DIVIDE:
-    case VK_MULTIPLY:
-    case VK_SUBTRACT:
-    case VK_ADD:
-    case VK_DECIMAL:
-    case VK_CLEAR:
-        modifier = WebInputEvent::IsKeyPad;
-        break;
-    case VK_SHIFT:
-        if (isKeyDown(VK_LSHIFT))
-            modifier = WebInputEvent::IsLeft;
-        else if (isKeyDown(VK_RSHIFT))
-            modifier = WebInputEvent::IsRight;
-        break;
-    case VK_CONTROL:
-        if (isKeyDown(VK_LCONTROL))
-            modifier = WebInputEvent::IsLeft;
-        else if (isKeyDown(VK_RCONTROL))
-            modifier = WebInputEvent::IsRight;
-        break;
-    case VK_MENU:
-        if (isKeyDown(VK_LMENU))
-            modifier = WebInputEvent::IsLeft;
-        else if (isKeyDown(VK_RMENU))
-            modifier = WebInputEvent::IsRight;
-        break;
-    case VK_LWIN:
-        modifier = WebInputEvent::IsLeft;
-        break;
-    case VK_RWIN:
-        modifier = WebInputEvent::IsRight;
-        break;
-    }
-
-    ASSERT(!modifier
-           || modifier == WebInputEvent::IsKeyPad
-           || modifier == WebInputEvent::IsLeft
-           || modifier == WebInputEvent::IsRight);
-    return modifier;
-}
-
-// Loads the state for toggle keys into the event.
-static void SetToggleKeyState(WebInputEvent* event)
-{
-    // Low bit set from GetKeyState indicates "toggled".
-    if (::GetKeyState(VK_NUMLOCK) & 1)
-        event->modifiers |= WebInputEvent::NumLockOn;
-    if (::GetKeyState(VK_CAPITAL) & 1)
-        event->modifiers |= WebInputEvent::CapsLockOn;
-}
-
-WebKeyboardEvent WebInputEventFactory::keyboardEvent(HWND hwnd, UINT message,
-                                                     WPARAM wparam, LPARAM lparam)
-{
-    WebKeyboardEvent result;
-
-    // TODO(pkasting): http://b/1117926 Are we guaranteed that the message that
-    // GetMessageTime() refers to is the same one that we're passed in? Perhaps
-    // one of the construction parameters should be the time passed by the
-    // caller, who would know for sure.
-    result.timeStampSeconds = GetMessageTime() / 1000.0;
-
-    result.windowsKeyCode = static_cast<int>(wparam);
-    // Record the scan code (along with other context bits) for this key event.
-    result.nativeKeyCode = static_cast<int>(lparam);
-
-    switch (message) {
-    case WM_SYSKEYDOWN:
-        result.isSystemKey = true;
-    case WM_KEYDOWN:
-        result.type = WebInputEvent::RawKeyDown;
-        break;
-    case WM_SYSKEYUP:
-        result.isSystemKey = true;
-    case WM_KEYUP:
-        result.type = WebInputEvent::KeyUp;
-        break;
-    case WM_IME_CHAR:
-        result.type = WebInputEvent::Char;
-        break;
-    case WM_SYSCHAR:
-        result.isSystemKey = true;
-        result.type = WebInputEvent::Char;
-    case WM_CHAR:
-        result.type = WebInputEvent::Char;
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-
-    if (result.type == WebInputEvent::Char || result.type == WebInputEvent::RawKeyDown) {
-        result.text[0] = result.windowsKeyCode;
-        result.unmodifiedText[0] = result.windowsKeyCode;
-    }
-    if (result.type != WebInputEvent::Char)
-        result.setKeyIdentifierFromWindowsKeyCode();
-
-    if (GetKeyState(VK_SHIFT) & 0x8000)
-        result.modifiers |= WebInputEvent::ShiftKey;
-    if (GetKeyState(VK_CONTROL) & 0x8000)
-        result.modifiers |= WebInputEvent::ControlKey;
-    if (GetKeyState(VK_MENU) & 0x8000)
-        result.modifiers |= WebInputEvent::AltKey;
-    // NOTE: There doesn't seem to be a way to query the mouse button state in
-    // this case.
-
-    if (LOWORD(lparam) > 1)
-        result.modifiers |= WebInputEvent::IsAutoRepeat;
-
-    result.modifiers |= getLocationModifier(wparam, lparam);
-
-    SetToggleKeyState(&result);
-    return result;
-}
-
-// WebMouseEvent --------------------------------------------------------------
-
-static int gLastClickCount;
-static double gLastClickTime;
-
-static LPARAM GetRelativeCursorPos(HWND hwnd)
-{
-    POINT pos = {-1, -1};
-    GetCursorPos(&pos);
-    ScreenToClient(hwnd, &pos);
-    return MAKELPARAM(pos.x, pos.y);
-}
-
-void WebInputEventFactory::resetLastClickState()
-{
-    gLastClickTime = gLastClickCount = 0;
-}
-
-WebMouseEvent WebInputEventFactory::mouseEvent(HWND hwnd, UINT message,
-                                               WPARAM wparam, LPARAM lparam)
-{
-    WebMouseEvent result; //(WebInputEvent::Uninitialized());
-
-    switch (message) {
-    case WM_MOUSEMOVE:
-        result.type = WebInputEvent::MouseMove;
-        if (wparam & MK_LBUTTON)
-            result.button = WebMouseEvent::ButtonLeft;
-        else if (wparam & MK_MBUTTON)
-            result.button = WebMouseEvent::ButtonMiddle;
-        else if (wparam & MK_RBUTTON)
-            result.button = WebMouseEvent::ButtonRight;
-        else
-            result.button = WebMouseEvent::ButtonNone;
-        break;
-    case WM_MOUSELEAVE:
-        result.type = WebInputEvent::MouseLeave;
-        result.button = WebMouseEvent::ButtonNone;
-        // set the current mouse position (relative to the client area of the
-        // current window) since none is specified for this event
-        lparam = GetRelativeCursorPos(hwnd);
-        break;
-    case WM_LBUTTONDOWN:
-    case WM_LBUTTONDBLCLK:
-        result.type = WebInputEvent::MouseDown;
-        result.button = WebMouseEvent::ButtonLeft;
-        break;
-    case WM_MBUTTONDOWN:
-    case WM_MBUTTONDBLCLK:
-        result.type = WebInputEvent::MouseDown;
-        result.button = WebMouseEvent::ButtonMiddle;
-        break;
-    case WM_RBUTTONDOWN:
-    case WM_RBUTTONDBLCLK:
-        result.type = WebInputEvent::MouseDown;
-        result.button = WebMouseEvent::ButtonRight;
-        break;
-    case WM_LBUTTONUP:
-        result.type = WebInputEvent::MouseUp;
-        result.button = WebMouseEvent::ButtonLeft;
-        break;
-    case WM_MBUTTONUP:
-        result.type = WebInputEvent::MouseUp;
-        result.button = WebMouseEvent::ButtonMiddle;
-        break;
-    case WM_RBUTTONUP:
-        result.type = WebInputEvent::MouseUp;
-        result.button = WebMouseEvent::ButtonRight;
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-
-    // TODO(pkasting): http://b/1117926 Are we guaranteed that the message that
-    // GetMessageTime() refers to is the same one that we're passed in? Perhaps
-    // one of the construction parameters should be the time passed by the
-    // caller, who would know for sure.
-    result.timeStampSeconds = GetMessageTime() / 1000.0;
-
-    // set position fields:
-
-    result.x = static_cast<short>(LOWORD(lparam));
-    result.y = static_cast<short>(HIWORD(lparam));
-    result.windowX = result.x;
-    result.windowY = result.y;
-
-    POINT globalPoint = { result.x, result.y };
-    ClientToScreen(hwnd, &globalPoint);
-
-    result.globalX = globalPoint.x;
-    result.globalY = globalPoint.y;
-
-    // calculate number of clicks:
-
-    // This differs slightly from the WebKit code in WebKit/win/WebView.cpp
-    // where their original code looks buggy.
-    static int lastClickPositionX;
-    static int lastClickPositionY;
-    static WebMouseEvent::Button lastClickButton = WebMouseEvent::ButtonLeft;
-
-    double currentTime = result.timeStampSeconds;
-    bool cancelPreviousClick =
-        (abs(lastClickPositionX - result.x) > (GetSystemMetrics(SM_CXDOUBLECLK) / 2))
-        || (abs(lastClickPositionY - result.y) > (GetSystemMetrics(SM_CYDOUBLECLK) / 2))
-        || ((currentTime - gLastClickTime) * 1000.0 > GetDoubleClickTime());
-
-    if (result.type == WebInputEvent::MouseDown) {
-        if (!cancelPreviousClick && (result.button == lastClickButton))
-            ++gLastClickCount;
-        else {
-            gLastClickCount = 1;
-            lastClickPositionX = result.x;
-            lastClickPositionY = result.y;
-        }
-        gLastClickTime = currentTime;
-        lastClickButton = result.button;
-    } else if (result.type == WebInputEvent::MouseMove
-               || result.type == WebInputEvent::MouseLeave) {
-        if (cancelPreviousClick) {
-            gLastClickCount = 0;
-            lastClickPositionX = 0;
-            lastClickPositionY = 0;
-            gLastClickTime = 0;
-        }
-    }
-    result.clickCount = gLastClickCount;
-
-    // set modifiers:
-
-    if (wparam & MK_CONTROL)
-        result.modifiers |= WebInputEvent::ControlKey;
-    if (wparam & MK_SHIFT)
-        result.modifiers |= WebInputEvent::ShiftKey;
-    if (GetKeyState(VK_MENU) & 0x8000)
-        result.modifiers |= WebInputEvent::AltKey;
-    if (wparam & MK_LBUTTON)
-        result.modifiers |= WebInputEvent::LeftButtonDown;
-    if (wparam & MK_MBUTTON)
-        result.modifiers |= WebInputEvent::MiddleButtonDown;
-    if (wparam & MK_RBUTTON)
-        result.modifiers |= WebInputEvent::RightButtonDown;
-
-    SetToggleKeyState(&result);
-    return result;
-}
-
-// WebMouseWheelEvent ---------------------------------------------------------
-
-WebMouseWheelEvent WebInputEventFactory::mouseWheelEvent(HWND hwnd, UINT message,
-                                                         WPARAM wparam, LPARAM lparam)
-{
-    WebMouseWheelEvent result; //(WebInputEvent::Uninitialized());
-
-    result.type = WebInputEvent::MouseWheel;
-
-    // TODO(pkasting): http://b/1117926 Are we guaranteed that the message that
-    // GetMessageTime() refers to is the same one that we're passed in? Perhaps
-    // one of the construction parameters should be the time passed by the
-    // caller, who would know for sure.
-    result.timeStampSeconds = GetMessageTime() / 1000.0;
-
-    result.button = WebMouseEvent::ButtonNone;
-
-    // Get key state, coordinates, and wheel delta from event.
-    typedef SHORT (WINAPI *GetKeyStateFunction)(int key);
-    GetKeyStateFunction getKeyState;
-    UINT keyState;
-    float wheelDelta;
-    bool horizontalScroll = false;
-    if ((message == WM_VSCROLL) || (message == WM_HSCROLL)) {
-        // Synthesize mousewheel event from a scroll event.  This is needed to
-        // simulate middle mouse scrolling in some laptops.  Use GetAsyncKeyState
-        // for key state since we are synthesizing the input event.
-        getKeyState = GetAsyncKeyState;
-        keyState = 0;
-        if (getKeyState(VK_SHIFT))
-            keyState |= MK_SHIFT;
-        if (getKeyState(VK_CONTROL))
-            keyState |= MK_CONTROL;
-        // NOTE: There doesn't seem to be a way to query the mouse button state
-        // in this case.
-
-        POINT cursorPosition = {0};
-        GetCursorPos(&cursorPosition);
-        result.globalX = cursorPosition.x;
-        result.globalY = cursorPosition.y;
-
-        switch (LOWORD(wparam)) {
-        case SB_LINEUP:    // == SB_LINELEFT
-            wheelDelta = WHEEL_DELTA;
-            break;
-        case SB_LINEDOWN:  // == SB_LINERIGHT
-            wheelDelta = -WHEEL_DELTA;
-            break;
-        case SB_PAGEUP:
-            wheelDelta = 1;
-            result.scrollByPage = true;
-            break;
-        case SB_PAGEDOWN:
-            wheelDelta = -1;
-            result.scrollByPage = true;
-            break;
-        default:  // We don't supoprt SB_THUMBPOSITION or SB_THUMBTRACK here.
-            wheelDelta = 0;
-            break;
-        }
-
-        if (message == WM_HSCROLL)
-            horizontalScroll = true;
-    } else {
-        // Non-synthesized event; we can just read data off the event.
-        getKeyState = GetKeyState;
-        keyState = GET_KEYSTATE_WPARAM(wparam);
-
-        result.globalX = static_cast<short>(LOWORD(lparam));
-        result.globalY = static_cast<short>(HIWORD(lparam));
-
-        wheelDelta = static_cast<float>(GET_WHEEL_DELTA_WPARAM(wparam));
-        if (message == WM_MOUSEHWHEEL) {
-            horizontalScroll = true;
-            wheelDelta = -wheelDelta;  // Windows is <- -/+ ->, WebKit <- +/- ->.
-        }
-    }
-    if (keyState & MK_SHIFT)
-        horizontalScroll = true;
-
-    // Set modifiers based on key state.
-    if (keyState & MK_SHIFT)
-        result.modifiers |= WebInputEvent::ShiftKey;
-    if (keyState & MK_CONTROL)
-        result.modifiers |= WebInputEvent::ControlKey;
-    if (getKeyState(VK_MENU) & 0x8000)
-        result.modifiers |= WebInputEvent::AltKey;
-    if (keyState & MK_LBUTTON)
-        result.modifiers |= WebInputEvent::LeftButtonDown;
-    if (keyState & MK_MBUTTON)
-        result.modifiers |= WebInputEvent::MiddleButtonDown;
-    if (keyState & MK_RBUTTON)
-        result.modifiers |= WebInputEvent::RightButtonDown;
-
-    SetToggleKeyState(&result);
-
-    // Set coordinates by translating event coordinates from screen to client.
-    POINT clientPoint = { result.globalX, result.globalY };
-    MapWindowPoints(0, hwnd, &clientPoint, 1);
-    result.x = clientPoint.x;
-    result.y = clientPoint.y;
-    result.windowX = result.x;
-    result.windowY = result.y;
-
-    // Convert wheel delta amount to a number of pixels to scroll.
-    //
-    // 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 8 is ~60 px/line, although the value
-    // seems to vary slightly by page and zoom level.  Also, IE defaults to
-    // smooth scrolling while Firefox doesn't, so it can get away with somewhat
-    // larger scroll values without feeling as jerky.  Here we use 100 px per
-    // three lines (the default scroll amount is three lines per wheel tick).
-    // Even though we have smooth scrolling, we don't make this as large as IE
-    // because subjectively IE feels like it scrolls farther than you want while
-    // reading articles.
-    static const float scrollbarPixelsPerLine = 100.0f / 3.0f;
-    wheelDelta /= WHEEL_DELTA;
-    float scrollDelta = wheelDelta;
-    if (horizontalScroll) {
-        unsigned long scrollChars = defaultScrollCharsPerWheelDelta;
-        SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0, &scrollChars, 0);
-        // TODO(pkasting): Should probably have a different multiplier
-        // scrollbarPixelsPerChar here.
-        scrollDelta *= static_cast<float>(scrollChars) * scrollbarPixelsPerLine;
-    } else {
-        unsigned long scrollLines = defaultScrollLinesPerWheelDelta;
-        SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &scrollLines, 0);
-        if (scrollLines == WHEEL_PAGESCROLL)
-            result.scrollByPage = true;
-        if (!result.scrollByPage)
-            scrollDelta *= static_cast<float>(scrollLines) * scrollbarPixelsPerLine;
-    }
-
-    // Set scroll amount based on above calculations.  WebKit expects positive
-    // deltaY to mean "scroll up" and positive deltaX to mean "scroll left".
-    if (horizontalScroll) {
-        result.deltaX = scrollDelta;
-        result.wheelTicksX = wheelDelta;
-    } else {
-        result.deltaY = scrollDelta;
-        result.wheelTicksY = wheelDelta;
-    }
-
-    return result;
-}
-
-} // namespace WebKit