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| 1 /* | |
| 2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef V8LazyEventListener_h | |
| 32 #define V8LazyEventListener_h | |
| 33 | |
| 34 #include "PlatformString.h" | |
| 35 #include "V8AbstractEventListener.h" | |
| 36 #include <v8.h> | |
| 37 #include <wtf/PassRefPtr.h> | |
| 38 | |
| 39 namespace WebCore { | |
| 40 | |
| 41 class Event; | |
| 42 class Frame; | |
| 43 | |
| 44 // V8LazyEventListener is a wrapper for a JavaScript code string that is com
piled and evaluated when an event is fired. | |
| 45 // A V8LazyEventListener is always a HTML event handler. | |
| 46 class V8LazyEventListener : public V8AbstractEventListener { | |
| 47 public: | |
| 48 static PassRefPtr<V8LazyEventListener> create(Frame* frame, const String
& code, const String& functionName) | |
| 49 { | |
| 50 return adoptRef(new V8LazyEventListener(frame, code, functionName)); | |
| 51 } | |
| 52 | |
| 53 virtual bool isInline() const { return true; } | |
| 54 | |
| 55 // For lazy event listener, the listener object is the same as its liste
ner | |
| 56 // function without additional scope chains. | |
| 57 virtual v8::Local<v8::Object> getListenerObject() { return getWrappedLis
tenerFunction(); } | |
| 58 | |
| 59 private: | |
| 60 V8LazyEventListener(Frame*, const String& code, const String& functionNa
me); | |
| 61 virtual ~V8LazyEventListener(); | |
| 62 | |
| 63 String m_code; | |
| 64 String m_functionName; | |
| 65 bool m_compiled; | |
| 66 | |
| 67 // If the event listener is on a non-document dom node, we compile the f
unction with some implicit scope chains before it. | |
| 68 bool m_wrappedFunctionCompiled; | |
| 69 v8::Persistent<v8::Function> m_wrappedFunction; | |
| 70 | |
| 71 v8::Local<v8::Function> getWrappedListenerFunction(); | |
| 72 | |
| 73 virtual v8::Local<v8::Value> callListenerFunction(v8::Handle<v8::Value>
jsEvent, Event*, bool isWindowEvent); | |
| 74 | |
| 75 v8::Local<v8::Function> getListenerFunction(); | |
| 76 }; | |
| 77 | |
| 78 } // namespace WebCore | |
| 79 | |
| 80 #endif // V8LazyEventListener_h | |
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Chromium Code Reviews
Issue 46097:
WebKit merge 41660:41709 (WebKit side).... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/