/*
 * Copyright (C) 2010 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "HostWindow.h"

namespace WebKitAPITest {

static LPCWSTR hostWindowClassName = L"HostWindow";

HostWindow::HostWindow()
    : m_window(0)
{
}

bool HostWindow::initialize()
{
    registerWindowClass();
    m_window = CreateWindowExW(0, hostWindowClassName, L"WebKitAPITest", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, GetModuleHandle(0), 0);
    return m_window;
}

HostWindow::~HostWindow()
{
    if (!IsWindow(m_window))
        return;
    DestroyWindow(m_window);
}

RECT HostWindow::clientRect() const
{
    RECT rect = {0};
    if (!GetClientRect(m_window, &rect)) {
        RECT emptyRect = {0};
        return emptyRect;
    }
    return rect;
}

void HostWindow::registerWindowClass()
{
    static bool initialized;
    if (initialized)
        return;
    initialized = true;

    WNDCLASSEXW wndClass = {0};
    wndClass.cbSize = sizeof(wndClass);
    wndClass.style = CS_HREDRAW | CS_VREDRAW;
    wndClass.lpfnWndProc = wndProc;
    wndClass.hCursor = LoadCursor(0, IDC_ARROW);
    wndClass.hInstance = GetModuleHandle(0);
    wndClass.lpszClassName = hostWindowClassName;

    RegisterClassExW(&wndClass);
}

LRESULT HostWindow::wndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}

} // namespace WebKitAPITest