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Diffstat (limited to 'WebCore/platform/win/WindowMessageBroadcaster.cpp')
-rw-r--r-- | WebCore/platform/win/WindowMessageBroadcaster.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/WebCore/platform/win/WindowMessageBroadcaster.cpp b/WebCore/platform/win/WindowMessageBroadcaster.cpp deleted file mode 100644 index 7088995..0000000 --- a/WebCore/platform/win/WindowMessageBroadcaster.cpp +++ /dev/null @@ -1,130 +0,0 @@ -/* - * 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 |