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
28 using namespace std;
29
30 static const wchar_t instancePointerProperty[] = L"org.webkit.TestNetscapePlugin.WindowedPluginTest.InstancePointer";
31
WindowedPluginTest(NPP npp,const string & identifier)32 WindowedPluginTest::WindowedPluginTest(NPP npp, const string& identifier)
33 : PluginTest(npp, identifier)
34 , m_window(0)
35 , m_originalWndProc(0)
36 {
37 }
38
NPP_SetWindow(NPP instance,NPWindow * window)39 NPError 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
staticWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)61 LRESULT 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