1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2004--2005, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/common.h" 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/logging.h" 30f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/win32window.h" 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace talk_base { 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 34f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/////////////////////////////////////////////////////////////////////////////// 35f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch// Win32Window 36f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/////////////////////////////////////////////////////////////////////////////// 37f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 38f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstatic const wchar_t kWindowBaseClassName[] = L"WindowBaseClass"; 39f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochHINSTANCE Win32Window::instance_ = GetModuleHandle(NULL); 40f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochATOM Win32Window::window_class_ = 0; 41f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 42f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochWin32Window::Win32Window() : wnd_(NULL) { 43f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 44f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 45f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochWin32Window::~Win32Window() { 46f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ASSERT(NULL == wnd_); 47f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 48f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 49f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool Win32Window::Create(HWND parent, const wchar_t* title, DWORD style, 50f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch DWORD exstyle, int x, int y, int cx, int cy) { 51f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (wnd_) { 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // Window already exists. 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return false; 54f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 56f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!window_class_) { 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // Class not registered, register it. 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch WNDCLASSEX wcex; 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch memset(&wcex, 0, sizeof(wcex)); 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch wcex.cbSize = sizeof(wcex); 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch wcex.hInstance = instance_; 62f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch wcex.lpfnWndProc = &Win32Window::WndProc; 63f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch wcex.lpszClassName = kWindowBaseClassName; 64f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch window_class_ = ::RegisterClassEx(&wcex); 65f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!window_class_) { 66f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LOG_GLE(LS_ERROR) << "RegisterClassEx failed"; 67f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return false; 68f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 69f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 70f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch wnd_ = ::CreateWindowEx(exstyle, kWindowBaseClassName, title, style, 71f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch x, y, cx, cy, parent, NULL, instance_, this); 72f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return (NULL != wnd_); 73f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 74f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 75f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid Win32Window::Destroy() { 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch VERIFY(::DestroyWindow(wnd_) != FALSE); 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 79f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid Win32Window::SetInstance(HINSTANCE instance) { 80f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch instance_ = instance; 81f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 82f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 83f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid Win32Window::Shutdown() { 84f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (window_class_) { 85f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ::UnregisterClass(MAKEINTATOM(window_class_), instance_); 86f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch window_class_ = 0; 87f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 88f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 89f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 90f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool Win32Window::OnMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, 91f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LRESULT& result) { 92f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch switch (uMsg) { 93f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch case WM_CLOSE: 94f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!OnClose()) { 95f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch result = 0; 96f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return true; 97f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 98f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch break; 99f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 100f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return false; 101f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 102f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 103f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochLRESULT Win32Window::WndProc(HWND hwnd, UINT uMsg, 104f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch WPARAM wParam, LPARAM lParam) { 105f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Win32Window* that = reinterpret_cast<Win32Window*>( 106f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ::GetWindowLongPtr(hwnd, GWL_USERDATA)); 107f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!that && (WM_CREATE == uMsg)) { 108f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch CREATESTRUCT* cs = reinterpret_cast<CREATESTRUCT*>(lParam); 109f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch that = static_cast<Win32Window*>(cs->lpCreateParams); 110f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch that->wnd_ = hwnd; 111f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ::SetWindowLongPtr(hwnd, GWL_USERDATA, reinterpret_cast<LONG_PTR>(that)); 112f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 113f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (that) { 114f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LRESULT result; 115f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool handled = that->OnMessage(uMsg, wParam, lParam, result); 116f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (WM_DESTROY == uMsg) { 117f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch for (HWND child = ::GetWindow(hwnd, GW_CHILD); child; 118f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child = ::GetWindow(child, GW_HWNDNEXT)) { 119f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LOG(LS_INFO) << "Child window: " << static_cast<void*>(child); 120f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 121f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 122f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (WM_NCDESTROY == uMsg) { 123f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ::SetWindowLongPtr(hwnd, GWL_USERDATA, NULL); 124f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch that->wnd_ = NULL; 125f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch that->OnDestroyed(); 126f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 127f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (handled) { 128f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return result; 129f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 130f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 131f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return ::DefWindowProc(hwnd, uMsg, wParam, lParam); 132f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 133f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 134f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} // namespace talk_base 135