1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "WindowedPluginTest.h"
27
28using namespace std;
29
30static const wchar_t instancePointerProperty[] = L"org.webkit.TestNetscapePlugin.WindowedPluginTest.InstancePointer";
31
32WindowedPluginTest::WindowedPluginTest(NPP npp, const string& identifier)
33    : PluginTest(npp, identifier)
34    , m_window(0)
35    , m_originalWndProc(0)
36{
37}
38
39NPError WindowedPluginTest::NPP_SetWindow(NPP instance, NPWindow* window)
40{
41    HWND newWindow = reinterpret_cast<HWND>(window->window);
42    if (newWindow == m_window)
43        return NPERR_NO_ERROR;
44
45    if (m_window) {
46        ::RemovePropW(m_window, instancePointerProperty);
47        ::SetWindowLongPtr(m_window, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(m_originalWndProc));
48        m_originalWndProc = 0;
49    }
50
51    m_window = newWindow;
52    if (!m_window)
53        return NPERR_NO_ERROR;
54
55    m_originalWndProc = reinterpret_cast<WNDPROC>(::SetWindowLongPtrW(m_window, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(staticWndProc)));
56    ::SetPropW(m_window, instancePointerProperty, this);
57
58    return NPERR_NO_ERROR;
59}
60
61LRESULT WindowedPluginTest::staticWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
62{
63    WindowedPluginTest* instance = reinterpret_cast<WindowedPluginTest*>(::GetPropW(hwnd, instancePointerProperty));
64
65    bool handled = false;
66    LRESULT result = instance->wndProc(message, wParam, lParam, handled);
67    if (handled)
68        return result;
69
70    return ::CallWindowProcW(instance->m_originalWndProc, hwnd, message, wParam, lParam);
71}
72