Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/base/win32window.cc b/base/win32window.cc
new file mode 100644
index 0000000..4d41014
--- /dev/null
+++ b/base/win32window.cc
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/common.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/win32window.h"
+
+namespace rtc {
+
+///////////////////////////////////////////////////////////////////////////////
+// Win32Window
+///////////////////////////////////////////////////////////////////////////////
+
+static const wchar_t kWindowBaseClassName[] = L"WindowBaseClass";
+HINSTANCE Win32Window::instance_ = NULL;
+ATOM Win32Window::window_class_ = 0;
+
+Win32Window::Win32Window() : wnd_(NULL) {
+}
+
+Win32Window::~Win32Window() {
+ ASSERT(NULL == wnd_);
+}
+
+bool Win32Window::Create(HWND parent, const wchar_t* title, DWORD style,
+ DWORD exstyle, int x, int y, int cx, int cy) {
+ if (wnd_) {
+ // Window already exists.
+ return false;
+ }
+
+ if (!window_class_) {
+ if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
+ GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+ reinterpret_cast<LPCWSTR>(&Win32Window::WndProc),
+ &instance_)) {
+ LOG_GLE(LS_ERROR) << "GetModuleHandleEx failed";
+ return false;
+ }
+
+ // Class not registered, register it.
+ WNDCLASSEX wcex;
+ memset(&wcex, 0, sizeof(wcex));
+ wcex.cbSize = sizeof(wcex);
+ wcex.hInstance = instance_;
+ wcex.lpfnWndProc = &Win32Window::WndProc;
+ wcex.lpszClassName = kWindowBaseClassName;
+ window_class_ = ::RegisterClassEx(&wcex);
+ if (!window_class_) {
+ LOG_GLE(LS_ERROR) << "RegisterClassEx failed";
+ return false;
+ }
+ }
+ wnd_ = ::CreateWindowEx(exstyle, kWindowBaseClassName, title, style,
+ x, y, cx, cy, parent, NULL, instance_, this);
+ return (NULL != wnd_);
+}
+
+void Win32Window::Destroy() {
+ VERIFY(::DestroyWindow(wnd_) != FALSE);
+}
+
+void Win32Window::Shutdown() {
+ if (window_class_) {
+ ::UnregisterClass(MAKEINTATOM(window_class_), instance_);
+ window_class_ = 0;
+ }
+}
+
+bool Win32Window::OnMessage(UINT uMsg, WPARAM wParam, LPARAM lParam,
+ LRESULT& result) {
+ switch (uMsg) {
+ case WM_CLOSE:
+ if (!OnClose()) {
+ result = 0;
+ return true;
+ }
+ break;
+ }
+ return false;
+}
+
+LRESULT Win32Window::WndProc(HWND hwnd, UINT uMsg,
+ WPARAM wParam, LPARAM lParam) {
+ Win32Window* that = reinterpret_cast<Win32Window*>(
+ ::GetWindowLongPtr(hwnd, GWLP_USERDATA));
+ if (!that && (WM_CREATE == uMsg)) {
+ CREATESTRUCT* cs = reinterpret_cast<CREATESTRUCT*>(lParam);
+ that = static_cast<Win32Window*>(cs->lpCreateParams);
+ that->wnd_ = hwnd;
+ ::SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(that));
+ }
+ if (that) {
+ LRESULT result;
+ bool handled = that->OnMessage(uMsg, wParam, lParam, result);
+ if (WM_DESTROY == uMsg) {
+ for (HWND child = ::GetWindow(hwnd, GW_CHILD); child;
+ child = ::GetWindow(child, GW_HWNDNEXT)) {
+ LOG(LS_INFO) << "Child window: " << static_cast<void*>(child);
+ }
+ }
+ if (WM_NCDESTROY == uMsg) {
+ ::SetWindowLongPtr(hwnd, GWLP_USERDATA, NULL);
+ that->wnd_ = NULL;
+ that->OnNcDestroy();
+ }
+ if (handled) {
+ return result;
+ }
+ }
+ return ::DefWindowProc(hwnd, uMsg, wParam, lParam);
+}
+
+} // namespace rtc
