| /* |
| * 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 "bindings/core/v8/V8AbstractEventListener.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/text/TextPosition.h" |
| #include <v8.h> |
| |
| namespace blink { |
| |
| class Event; |
| class Node; |
| |
| // V8LazyEventListener is a wrapper for a JavaScript code string that is compiled and evaluated when an event is fired. |
| // A V8LazyEventListener is either a HTML or SVG event handler. |
| class V8LazyEventListener final : public V8AbstractEventListener { |
| public: |
| static PassRefPtr<V8LazyEventListener> create(const AtomicString& functionName, const AtomicString& eventParameterName, const String& code, const String& sourceURL, const TextPosition& position, Node* node, v8::Isolate* isolate) |
| { |
| return adoptRef(new V8LazyEventListener(functionName, eventParameterName, code, sourceURL, position, node, isolate)); |
| } |
| |
| // V8LazyEventListener is always for the main world. |
| virtual DOMWrapperWorld& world() const override { return DOMWrapperWorld::mainWorld(); } |
| |
| virtual void handleEvent(ExecutionContext*, Event*) override; |
| |
| protected: |
| virtual void prepareListenerObject(ExecutionContext*) override; |
| |
| private: |
| V8LazyEventListener(const AtomicString& functionName, const AtomicString& eventParameterName, const String& code, const String sourceURL, const TextPosition&, Node*, v8::Isolate*); |
| |
| virtual v8::Local<v8::Value> callListenerFunction(v8::Handle<v8::Value> jsEvent, Event*) override; |
| |
| // Needs to return true for all event handlers implemented in JavaScript so that |
| // the SVG code does not add the event handler in both |
| // SVGUseElement::buildShadowTree and again in |
| // SVGUseElement::transferEventListenersToShadowTree |
| virtual bool wasCreatedFromMarkup() const override { return true; } |
| |
| AtomicString m_functionName; |
| AtomicString m_eventParameterName; |
| String m_code; |
| String m_sourceURL; |
| Node* m_node; |
| TextPosition m_position; |
| }; |
| |
| } // namespace blink |
| |
| #endif // V8LazyEventListener_h |