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/*
* 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 "PlatformWebView.h"
#include "WindowMessageObserver.h"
namespace TestWebKitAPI {
static const wchar_t* hostWindowClassName = L"org.WebKit.TestWebKitAPI.PlatformWebViewHostWindow";
static const wchar_t* webViewPointerProperty = L"org.WebKit.TestWebKitAPI.PlatformWebView.InstancePointer";
// These offsets come from rom <http://msdn.microsoft.com/en-us/library/ms646280(VS.85).aspx>.
static const size_t repeatCountBitOffset = 0;
static const size_t scanCodeBitOffset = 16;
static const size_t contextCodeBitOffset = 29;
static const size_t previousStateBitOffset = 30;
static const size_t transitionStateBitOffset = 31;
void PlatformWebView::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.lpszClassName = hostWindowClassName;
::RegisterClassExW(&wndClass);
}
PlatformWebView::PlatformWebView(WKContextRef contextRef, WKPageGroupRef pageGroupRef)
: m_parentWindowMessageObserver(0)
{
registerWindowClass();
RECT viewRect = {0, 0, 800, 600};
m_window = CreateWindowExW(0, hostWindowClassName, L"TestWebKitAPI", WS_OVERLAPPEDWINDOW, viewRect.left, viewRect.top, viewRect.right, viewRect.bottom, 0, 0, 0, this);
m_view = WKViewCreate(viewRect, contextRef, pageGroupRef, m_window);
}
PlatformWebView::~PlatformWebView()
{
::DestroyWindow(m_window);
WKRelease(m_view);
}
WKPageRef PlatformWebView::page()
{
return WKViewGetPage(m_view);
}
void PlatformWebView::simulateSpacebarKeyPress()
{
HWND window = WKViewGetWindow(m_view);
// These values match what happens when you press the spacebar in Notepad, as observed by Spy++.
::SendMessageW(window, WM_KEYDOWN, VK_SPACE, (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset));
::SendMessageW(window, WM_CHAR, ' ', (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset));
::SendMessageW(window, WM_KEYUP, VK_SPACE, (1 << repeatCountBitOffset) | (39 << scanCodeBitOffset) | (1 << previousStateBitOffset) | (1 << transitionStateBitOffset));
}
void PlatformWebView::simulateAltKeyPress()
{
HWND window = WKViewGetWindow(m_view);
// These values match what happens when you press the Alt key in Notepad, as observed by Spy++.
::SendMessageW(window, WM_SYSKEYDOWN, VK_MENU, (1 << repeatCountBitOffset) | (38 << scanCodeBitOffset) | (1 << contextCodeBitOffset));
::SendMessageW(window, WM_SYSKEYUP, VK_MENU, (1 << repeatCountBitOffset) | (38 << scanCodeBitOffset) | (1 << previousStateBitOffset) | (1 << transitionStateBitOffset));
}
LRESULT PlatformWebView::wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PlatformWebView* webView;
if (message == WM_CREATE) {
CREATESTRUCT* createStruct = reinterpret_cast<CREATESTRUCT*>(lParam);
webView = static_cast<PlatformWebView*>(createStruct->lpCreateParams);
::SetPropW(hWnd, webViewPointerProperty, webView);
} else
webView = reinterpret_cast<PlatformWebView*>(::GetPropW(hWnd, webViewPointerProperty));
if (webView && webView->m_parentWindowMessageObserver)
webView->m_parentWindowMessageObserver->windowReceivedMessage(hWnd, message, wParam, lParam);
if (message == WM_NCDESTROY)
::RemovePropW(hWnd, webViewPointerProperty);
return ::DefWindowProcW(hWnd, message, wParam, lParam);
}
} // namespace TestWebKitAPI
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