61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
// Copyright (c) 2015 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "cefclient/temp_window_win.h"
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#include <windows.h>
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#include "include/base/cef_logging.h"
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namespace client {
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namespace {
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const wchar_t kWndClass[] = L"Client_TempWindow";
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// Create the temp window.
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HWND CreateTempWindow() {
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HINSTANCE hInstance = ::GetModuleHandle(NULL);
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WNDCLASSEX wc = {0};
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wc.cbSize = sizeof(wc);
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wc.lpfnWndProc = DefWindowProc;
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wc.hInstance = hInstance;
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wc.lpszClassName = kWndClass;
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RegisterClassEx(&wc);
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// Create a 1x1 pixel hidden window.
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return CreateWindow(kWndClass, 0,
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WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
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0, 0, 1, 1,
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NULL, NULL, hInstance, NULL);
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}
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TempWindowWin* g_temp_window = NULL;
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} // namespace
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TempWindowWin::TempWindowWin()
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: hwnd_(NULL) {
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DCHECK(!g_temp_window);
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g_temp_window = this;
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hwnd_ = CreateTempWindow();
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CHECK(hwnd_);
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}
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TempWindowWin::~TempWindowWin() {
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g_temp_window = NULL;
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DCHECK(hwnd_);
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DestroyWindow(hwnd_);
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}
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// static
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CefWindowHandle TempWindowWin::GetWindowHandle() {
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DCHECK(g_temp_window);
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return g_temp_window->hwnd_;
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}
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} // namespace client
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