Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 90 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/wtf/win/MainThreadWin.cpp b/Source/JavaScriptCore/wtf/win/MainThreadWin.cpp
new file mode 100644
index 0000000..ee3a273
--- /dev/null
+++ b/Source/JavaScriptCore/wtf/win/MainThreadWin.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 Torch Mobile 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "config.h"
+#include "MainThread.h"
+
+#include "Assertions.h"
+#include "Threading.h"
+#if !OS(WINCE)
+#include <windows.h>
+#endif
+
+namespace WTF {
+
+static HWND threadingWindowHandle;
+static UINT threadingFiredMessage;
+const LPCWSTR kThreadingWindowClassName = L"ThreadingWindowClass";
+
+LRESULT CALLBACK ThreadingWindowWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+    if (message == threadingFiredMessage)
+        dispatchFunctionsFromMainThread();
+    else
+        return DefWindowProc(hWnd, message, wParam, lParam);
+    return 0;
+}
+
+void initializeMainThreadPlatform()
+{
+    if (threadingWindowHandle)
+        return;
+
+    HWND hWndParent = 0;
+#if OS(WINCE)
+    WNDCLASS wcex;
+    memset(&wcex, 0, sizeof(WNDCLASS));
+#else
+    WNDCLASSEX wcex;
+    memset(&wcex, 0, sizeof(WNDCLASSEX));
+    wcex.cbSize = sizeof(WNDCLASSEX);
+#endif
+    wcex.lpfnWndProc    = ThreadingWindowWndProc;
+    wcex.lpszClassName  = kThreadingWindowClassName;
+#if OS(WINCE)
+    RegisterClass(&wcex);
+#else
+    RegisterClassEx(&wcex);
+    hWndParent = HWND_MESSAGE;
+#endif
+
+    threadingWindowHandle = CreateWindow(kThreadingWindowClassName, 0, 0,
+       CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, hWndParent, 0, 0, 0);
+    threadingFiredMessage = RegisterWindowMessage(L"com.apple.WebKit.MainThreadFired");
+
+    initializeCurrentThreadInternal("Main Thread");
+}
+
+void scheduleDispatchFunctionsOnMainThread()
+{
+    ASSERT(threadingWindowHandle);
+    PostMessage(threadingWindowHandle, threadingFiredMessage, 0, 0);
+}
+
+} // namespace WTF