WebKit merge 41660:41709 (WebKit side)....

third_party/WebKit/WebCore/bindings/v8/V8LazyEventListener.h

Index: third_party/WebKit/WebCore/bindings/v8/V8LazyEventListener.h
===================================================================
--- third_party/WebKit/WebCore/bindings/v8/V8LazyEventListener.h	(revision 0)
+++ third_party/WebKit/WebCore/bindings/v8/V8LazyEventListener.h	(revision 11711)
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+#ifndef V8LazyEventListener_h
+#define V8LazyEventListener_h
+
+#include "PlatformString.h"
+#include "V8AbstractEventListener.h"
+#include <v8.h>
+#include <wtf/PassRefPtr.h>
+
+namespace WebCore {
+
+    class Event;
+    class Frame;
+
+    // V8LazyEventListener is a wrapper for a JavaScript code string that is compiled and evaluated when an event is fired.
+    // A V8LazyEventListener is always a HTML event handler.
+    class V8LazyEventListener : public V8AbstractEventListener {
+    public:
+        static PassRefPtr<V8LazyEventListener> create(Frame* frame, const String& code, const String& functionName)
+        {
+            return adoptRef(new V8LazyEventListener(frame, code, functionName));
+        }
+
+        virtual bool isInline() const { return true; }
+
+        // For lazy event listener, the listener object is the same as its listener
+        // function without additional scope chains.
+        virtual v8::Local<v8::Object> getListenerObject() { return getWrappedListenerFunction(); }
+
+    private:
+        V8LazyEventListener(Frame*, const String& code, const String& functionName);
+        virtual ~V8LazyEventListener();
+
+        String m_code;
+        String m_functionName;
+        bool m_compiled;
+
+        // If the event listener is on a non-document dom node, we compile the function with some implicit scope chains before it.
+        bool m_wrappedFunctionCompiled;
+        v8::Persistent<v8::Function> m_wrappedFunction;
+
+        v8::Local<v8::Function> getWrappedListenerFunction();
+
+        virtual v8::Local<v8::Value> callListenerFunction(v8::Handle<v8::Value> jsEvent, Event*, bool isWindowEvent);
+
+        v8::Local<v8::Function> getListenerFunction();
+    };
+
+} // namespace WebCore
+
+#endif // V8LazyEventListener_h