1 files changed, 131 insertions, 0 deletions
diff --git a/WebCore/platform/wince/SharedTimerWinCE.cpp b/WebCore/platform/wince/SharedTimerWinCE.cpp
new file mode 100644
index 0000000..81295e2
--- /dev/null
+++ b/WebCore/platform/wince/SharedTimerWinCE.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2007-2008 Torch Mobile, Inc.
+ *
+ * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "SharedTimer.h"
+
+#include "Page.h"
+#include "SystemTime.h"
+#include "WebCoreInstanceHandle.h"
+#include "Widget.h"
+#include <wtf/Assertions.h>
+#include <wtf/CurrentTime.h>
+#include <windows.h>
+
+namespace JSC {
+JS_EXPORTDATA extern void* g_stackBase;
+}
+
+namespace WebCore {
+
+enum {
+    TimerIdNone = 0,
+    TimerIdAuto,
+    TimerIdManual,
+};
+static UINT timerID = TimerIdNone;
+
+static void (*sharedTimerFiredFunction)();
+
+static HWND timerWindowHandle = 0;
+const LPCWSTR kTimerWindowClassName = L"TimerWindowClass";
+
+LRESULT CALLBACK TimerWindowWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+    int dummy;
+    JSC::g_stackBase = &dummy;
+
+    if (message == WM_TIMER) {
+        if (timerID != TimerIdNone)
+            sharedTimerFiredFunction();
+    } else if (message == WM_USER)    {
+        if (timerID = TimerIdManual) {
+            sharedTimerFiredFunction();
+            PostMessage(hWnd, WM_USER, 0, 0);
+        }
+    } else {
+        JSC::g_stackBase = 0;
+        return DefWindowProc(hWnd, message, wParam, lParam);
+    }
+    JSC::g_stackBase = 0;
+    return 0;
+}
+
+static void initializeOffScreenTimerWindow()
+{
+    if (timerWindowHandle)
+        return;
+
+    WNDCLASS wcex = {0};
+    wcex.lpfnWndProc    = TimerWindowWndProc;
+    wcex.hInstance      = WebCore::instanceHandle();
+    wcex.lpszClassName  = kTimerWindowClassName;
+    RegisterClass(&wcex);
+
+    timerWindowHandle = CreateWindow(kTimerWindowClassName, 0, 0,
+       CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0, 0, WebCore::instanceHandle(), 0);
+}
+
+void setSharedTimerFiredFunction(void (*f)())
+{
+    sharedTimerFiredFunction = f;
+}
+
+#define USER_TIMER_MAXIMUM  0x7FFFFFFF
+#define USER_TIMER_MINIMUM  0x0000000A
+
+void setSharedTimerFireTime(double fireTime)
+{
+    ASSERT(sharedTimerFiredFunction);
+
+    double interval = (fireTime - currentTime()) * 1000.;
+    unsigned intervalInMS = interval < USER_TIMER_MINIMUM
+        ? USER_TIMER_MINIMUM
+        : interval > USER_TIMER_MAXIMUM
+        ? USER_TIMER_MAXIMUM
+        : static_cast<unsigned>(interval);
+
+    if (timerID == TimerIdAuto) {
+        KillTimer(timerWindowHandle, TimerIdAuto);
+        timerID = TimerIdNone;
+    }
+
+    initializeOffScreenTimerWindow();
+    if (SetTimer(timerWindowHandle, TimerIdAuto, intervalInMS, 0))
+        timerID = TimerIdAuto;
+    else if (timerID != TimerIdManual)
+        PostMessage(timerWindowHandle, WM_USER, 0, 0);
+}
+
+void stopSharedTimer()
+{
+    if (timerID == TimerIdAuto)
+        KillTimer(timerWindowHandle, TimerIdAuto);
+
+    timerID = TimerIdNone;
+}
+
+} // namespace WebCore