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

Source/WebCore/platform/win/WindowMessageBroadcaster.cpp

-/*
- * Copyright (C) 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "WindowMessageBroadcaster.h"
-
-#include "WindowMessageListener.h"
-
-namespace WebCore {
-
-typedef HashMap<HWND, WindowMessageBroadcaster*> InstanceMap;
-
-static InstanceMap& instancesMap()
-{
-    static InstanceMap instances;
-    return instances;
-}
-
-void WindowMessageBroadcaster::addListener(HWND hwnd, WindowMessageListener* listener)
-{
-    WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd);
-    if (!broadcaster) {
-        broadcaster = new WindowMessageBroadcaster(hwnd);
-        instancesMap().add(hwnd, broadcaster);
-    }
-
-    broadcaster->addListener(listener);
-}
-
-void WindowMessageBroadcaster::removeListener(HWND hwnd, WindowMessageListener* listener)
-{
-    WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd);
-    if (!broadcaster)
-        return;
-
-    broadcaster->removeListener(listener);
-}
-
-WindowMessageBroadcaster::WindowMessageBroadcaster(HWND hwnd)
-    : m_subclassedWindow(hwnd)
-    , m_originalWndProc(0)
-{
-    ASSERT_ARG(hwnd, IsWindow(hwnd));
-}
-
-WindowMessageBroadcaster::~WindowMessageBroadcaster()
-{
-}
-
-void WindowMessageBroadcaster::addListener(WindowMessageListener* listener)
-{
-    if (m_listeners.isEmpty()) {
-        ASSERT(!m_originalWndProc);
-#pragma warning(disable: 4244 4312)
-        m_originalWndProc = reinterpret_cast<WNDPROC>(SetWindowLongPtr(m_subclassedWindow, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(SubclassedWndProc)));
-    }
-
-    m_listeners.add(listener);
-}
-
-void WindowMessageBroadcaster::removeListener(WindowMessageListener* listener)
-{
-    ListenerSet::iterator found = m_listeners.find(listener);
-    if (found == m_listeners.end())
-        return;
-
-    m_listeners.remove(found);
-
-    if (m_listeners.isEmpty())
-        destroy();
-}
-
-void WindowMessageBroadcaster::destroy()
-{
-    m_listeners.clear();
-    unsubclassWindow();
-    instancesMap().remove(m_subclassedWindow);
-    delete this;
-}
-
-void WindowMessageBroadcaster::unsubclassWindow()
-{
-    SetWindowLongPtr(m_subclassedWindow, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(m_originalWndProc));
-    m_originalWndProc = 0;
-}
-
-LRESULT CALLBACK WindowMessageBroadcaster::SubclassedWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
-{
-    WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd);
-    ASSERT(broadcaster);
-
-    ListenerSet::const_iterator end = broadcaster->listeners().end();
-    for (ListenerSet::const_iterator it = broadcaster->listeners().begin(); it != end; ++it)
-        (*it)->windowReceivedMessage(hwnd, message, wParam, lParam);
-
-    WNDPROC originalWndProc = broadcaster->originalWndProc();
-
-    // This will delete broadcaster.
-    if (message == WM_DESTROY)
-        broadcaster->destroy();
-
-    return CallWindowProc(originalWndProc, hwnd, message, wParam, lParam);
-}
-
-} // namespace WebCore