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 "PlatformWebView.h"
27
28 #include "WindowMessageObserver.h"
29
30 namespace TestWebKitAPI {
31
32 static const wchar_t* hostWindowClassName = L"org.WebKit.TestWebKitAPI.PlatformWebViewHostWindow";
33 static const wchar_t* webViewPointerProperty = L"org.WebKit.TestWebKitAPI.PlatformWebView.InstancePointer";
34
35 // These offsets come from rom <http://msdn.microsoft.com/en-us/library/ms646280(VS.85).aspx>.
36 static const size_t repeatCountBitOffset = 0;
37 static const size_t scanCodeBitOffset = 16;
38 static const size_t contextCodeBitOffset = 29;
39 static const size_t previousStateBitOffset = 30;
40 static const size_t transitionStateBitOffset = 31;
41
registerWindowClass()42 void PlatformWebView::registerWindowClass()
43 {
44 static bool initialized;
45 if (initialized)
46 return;
47 initialized = true;
48
49 WNDCLASSEXW wndClass = {0};
50 wndClass.cbSize = sizeof(wndClass);
51 wndClass.style = CS_HREDRAW | CS_VREDRAW;
52 wndClass.lpfnWndProc = wndProc;
53 wndClass.hCursor = LoadCursor(0, IDC_ARROW);
54 wndClass.lpszClassName = hostWindowClassName;
55
56 ::RegisterClassExW(&wndClass);
57 }
58
PlatformWebView(WKContextRef contextRef,WKPageGroupRef pageGroupRef)59 PlatformWebView::PlatformWebView(WKContextRef contextRef, WKPageGroupRef pageGroupRef)
60 : m_parentWindowMessageObserver(0)
61 {
62 registerWindowClass();
63
64 RECT viewRect = {0, 0, 800, 600};
65 m_window = CreateWindowExW(0, hostWindowClassName, L"TestWebKitAPI", WS_OVERLAPPEDWINDOW, viewRect.left, viewRect.top, viewRect.right, viewRect.bottom, 0, 0, 0, this);
66 m_view = WKViewCreate(viewRect, contextRef, pageGroupRef, m_window);
67 }
68
~PlatformWebView()69 PlatformWebView::~PlatformWebView()
70 {
71 ::DestroyWindow(m_window);
72 WKRelease(m_view);
73 }
74
page() const75 WKPageRef PlatformWebView::page() const
76 {
77 return WKViewGetPage(m_view);
78 }
79
resizeTo(unsigned width,unsigned height)80 void PlatformWebView::resizeTo(unsigned width, unsigned height)
81 {
82 ::SetWindowPos(WKViewGetWindow(m_view), 0, 0, 0, width, height, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS);
83 }
84
simulateSpacebarKeyPress()85 void PlatformWebView::simulateSpacebarKeyPress()
86 {
87 HWND window = WKViewGetWindow(m_view);
88
89 // These values match what happens when you press the spacebar in Notepad, as observed by Spy++.
90 ::SendMessageW(window, WM_KEYDOWN, VK_SPACE, (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset));
91 ::SendMessageW(window, WM_CHAR, ' ', (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset));
92 ::SendMessageW(window, WM_KEYUP, VK_SPACE, (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset) | (1 << previousStateBitOffset) | (1 << transitionStateBitOffset));
93 }
94
simulateAKeyDown()95 void PlatformWebView::simulateAKeyDown()
96 {
97 HWND window = WKViewGetWindow(m_view);
98
99 // These values match what happens when you press the 'A' key in Notepad, as observed by Spy++.
100 ::SendMessageW(window, WM_KEYDOWN, 'A', (1 << repeatCountBitOffset) | (30 << scanCodeBitOffset));
101 }
102
simulateAltKeyPress()103 void PlatformWebView::simulateAltKeyPress()
104 {
105 HWND window = WKViewGetWindow(m_view);
106
107 // These values match what happens when you press the Alt key in Notepad, as observed by Spy++.
108 ::SendMessageW(window, WM_SYSKEYDOWN, VK_MENU, (1 << repeatCountBitOffset) | (38 << scanCodeBitOffset) | (1 << contextCodeBitOffset));
109 ::SendMessageW(window, WM_SYSKEYUP, VK_MENU, (1 << repeatCountBitOffset) | (38 << scanCodeBitOffset) | (1 << previousStateBitOffset) | (1 << transitionStateBitOffset));
110 }
111
simulateRightClick(unsigned x,unsigned y)112 void PlatformWebView::simulateRightClick(unsigned x, unsigned y)
113 {
114 HWND window = WKViewGetWindow(m_view);
115
116 ::SendMessageW(window, WM_RBUTTONDOWN, 0, MAKELPARAM(x, y));
117 ::SendMessageW(window, WM_RBUTTONUP, 0, MAKELPARAM(x, y));
118 }
119
wndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam)120 LRESULT PlatformWebView::wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
121 {
122 PlatformWebView* webView;
123 if (message == WM_CREATE) {
124 CREATESTRUCT* createStruct = reinterpret_cast<CREATESTRUCT*>(lParam);
125 webView = static_cast<PlatformWebView*>(createStruct->lpCreateParams);
126 ::SetPropW(hWnd, webViewPointerProperty, webView);
127 } else
128 webView = reinterpret_cast<PlatformWebView*>(::GetPropW(hWnd, webViewPointerProperty));
129
130 if (webView && webView->m_parentWindowMessageObserver)
131 webView->m_parentWindowMessageObserver->windowReceivedMessage(hWnd, message, wParam, lParam);
132
133 if (message == WM_NCDESTROY)
134 ::RemovePropW(hWnd, webViewPointerProperty);
135
136 return ::DefWindowProcW(hWnd, message, wParam, lParam);
137 }
138
139 } // namespace TestWebKitAPI
140