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Diffstat (limited to 'WebCore/bindings/v8/V8LazyEventListener.h')
-rw-r--r-- | WebCore/bindings/v8/V8LazyEventListener.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/WebCore/bindings/v8/V8LazyEventListener.h b/WebCore/bindings/v8/V8LazyEventListener.h new file mode 100644 index 0000000..7c7be34 --- /dev/null +++ b/WebCore/bindings/v8/V8LazyEventListener.h @@ -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 |