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 |