18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2007 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "WindowMessageBroadcaster.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "WindowMessageListener.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projecttypedef HashMap<HWND, WindowMessageBroadcaster*> InstanceMap; 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic InstanceMap& instancesMap() 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project static InstanceMap instances; 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return instances; 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::addListener(HWND hwnd, WindowMessageListener* listener) 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!broadcaster) { 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project broadcaster = new WindowMessageBroadcaster(hwnd); 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project instancesMap().add(hwnd, broadcaster); 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project broadcaster->addListener(listener); 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::removeListener(HWND hwnd, WindowMessageListener* listener) 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd); 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!broadcaster) 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project broadcaster->removeListener(listener); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectWindowMessageBroadcaster::WindowMessageBroadcaster(HWND hwnd) 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : m_subclassedWindow(hwnd) 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_originalWndProc(0) 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT_ARG(hwnd, IsWindow(hwnd)); 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectWindowMessageBroadcaster::~WindowMessageBroadcaster() 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::addListener(WindowMessageListener* listener) 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (m_listeners.isEmpty()) { 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(!m_originalWndProc); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#pragma warning(disable: 4244 4312) 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_originalWndProc = reinterpret_cast<WNDPROC>(SetWindowLongPtr(m_subclassedWindow, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(SubclassedWndProc))); 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_listeners.add(listener); 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::removeListener(WindowMessageListener* listener) 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ListenerSet::iterator found = m_listeners.find(listener); 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (found == m_listeners.end()) 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_listeners.remove(found); 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (m_listeners.isEmpty()) 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project destroy(); 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::destroy() 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_listeners.clear(); 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project unsubclassWindow(); 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project instancesMap().remove(m_subclassedWindow); 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project delete this; 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid WindowMessageBroadcaster::unsubclassWindow() 1078e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1088e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project SetWindowLongPtr(m_subclassedWindow, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(m_originalWndProc)); 1098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project m_originalWndProc = 0; 1108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectLRESULT CALLBACK WindowMessageBroadcaster::SubclassedWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) 1138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WindowMessageBroadcaster* broadcaster = instancesMap().get(hwnd); 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(broadcaster); 1168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ListenerSet::const_iterator end = broadcaster->listeners().end(); 1188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (ListenerSet::const_iterator it = broadcaster->listeners().begin(); it != end; ++it) 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project (*it)->windowReceivedMessage(hwnd, message, wParam, lParam); 1208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WNDPROC originalWndProc = broadcaster->originalWndProc(); 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // This will delete broadcaster. 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (message == WM_DESTROY) 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project broadcaster->destroy(); 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return CallWindowProc(originalWndProc, hwnd, message, wParam, lParam); 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 131