Index: Source/bindings/v8/V8AbstractEventListener.h |
diff --git a/Source/bindings/v8/V8AbstractEventListener.h b/Source/bindings/v8/V8AbstractEventListener.h |
deleted file mode 100644 |
index 469050c4207e8a2652045741d75e577b48dc59ae..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/V8AbstractEventListener.h |
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@@ -1,158 +0,0 @@ |
-/* |
- * 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 V8AbstractEventListener_h |
-#define V8AbstractEventListener_h |
- |
-#include "bindings/v8/DOMWrapperWorld.h" |
-#include "bindings/v8/ScopedPersistent.h" |
-#include "core/events/EventListener.h" |
-#include <v8.h> |
-#include "wtf/PassRefPtr.h" |
-#include "wtf/RefCounted.h" |
- |
-namespace WebCore { |
- |
- class Event; |
- |
- // There are two kinds of event listeners: HTML or non-HMTL. onload, |
- // onfocus, etc (attributes) are always HTML event handler type; Event |
- // listeners added by Window.addEventListener or |
- // EventTargetNode::addEventListener are non-HTML type. |
- // |
- // Why does this matter? |
- // WebKit does not allow duplicated HTML event handlers of the same type, |
- // but ALLOWs duplicated non-HTML event handlers. |
- class V8AbstractEventListener : public EventListener { |
- public: |
- virtual ~V8AbstractEventListener(); |
- |
- static const V8AbstractEventListener* cast(const EventListener* listener) |
- { |
- return listener->type() == JSEventListenerType |
- ? static_cast<const V8AbstractEventListener*>(listener) |
- : 0; |
- } |
- |
- static V8AbstractEventListener* cast(EventListener* listener) |
- { |
- return const_cast<V8AbstractEventListener*>(cast(const_cast<const EventListener*>(listener))); |
- } |
- |
- // Implementation of EventListener interface. |
- |
- virtual bool operator==(const EventListener& other) OVERRIDE { return this == &other; } |
- |
- virtual void handleEvent(ExecutionContext*, Event*) OVERRIDE; |
- |
- virtual bool isLazy() const { return false; } |
- |
- // Returns the listener object, either a function or an object. |
- v8::Local<v8::Object> getListenerObject(ExecutionContext* context) |
- { |
- // prepareListenerObject can potentially deref this event listener |
- // as it may attempt to compile a function (lazy event listener), get an error |
- // and invoke onerror callback which can execute arbitrary JS code. |
- // Protect this event listener to keep it alive. |
- RefPtr<V8AbstractEventListener> guard(this); |
- prepareListenerObject(context); |
- return m_listener.newLocal(m_isolate); |
- } |
- |
- v8::Local<v8::Object> getExistingListenerObject() |
- { |
- return m_listener.newLocal(m_isolate); |
- } |
- |
- // Provides access to the underlying handle for GC. Returned |
- // value is a weak handle and so not guaranteed to stay alive. |
- v8::Persistent<v8::Object>& existingListenerObjectPersistentHandle() |
- { |
- return m_listener.getUnsafe(); |
- } |
- |
- bool hasExistingListenerObject() |
- { |
- return !m_listener.isEmpty(); |
- } |
- |
- void clearListenerObject() |
- { |
- m_listener.clear(); |
- } |
- |
- virtual bool belongsToTheCurrentWorld() const OVERRIDE FINAL; |
- v8::Isolate* isolate() const { return m_isolate; } |
- virtual DOMWrapperWorld& world() const { return scriptState()->world(); } |
- ScriptState* scriptState() const |
- { |
- ASSERT(m_scriptState); |
- return m_scriptState.get(); |
- } |
- void setScriptState(ScriptState* scriptState) { m_scriptState = scriptState; } |
- |
- protected: |
- V8AbstractEventListener(bool isAttribute, ScriptState*); |
- V8AbstractEventListener(bool isAttribute, v8::Isolate*); |
- |
- virtual void prepareListenerObject(ExecutionContext*) { } |
- |
- void setListenerObject(v8::Handle<v8::Object> listener); |
- |
- void invokeEventHandler(Event*, v8::Local<v8::Value> jsEvent); |
- |
- // Get the receiver object to use for event listener call. |
- v8::Local<v8::Object> getReceiverObject(Event*); |
- |
- private: |
- // Implementation of EventListener function. |
- virtual bool virtualisAttribute() const OVERRIDE { return m_isAttribute; } |
- |
- virtual v8::Local<v8::Value> callListenerFunction(v8::Handle<v8::Value> jsevent, Event*) = 0; |
- |
- virtual bool shouldPreventDefault(v8::Local<v8::Value> returnValue); |
- |
- static void setWeakCallback(const v8::WeakCallbackData<v8::Object, V8AbstractEventListener>&); |
- |
- ScopedPersistent<v8::Object> m_listener; |
- |
- // Indicates if this is an HTML type listener. |
- bool m_isAttribute; |
- |
- // For V8LazyEventListener, m_scriptState can be 0 until V8LazyEventListener is actually used. |
- // m_scriptState is set lazily because V8LazyEventListener doesn't know the associated frame |
- // until the listener is actually used. |
- RefPtr<ScriptState> m_scriptState; |
- v8::Isolate* m_isolate; |
- }; |
- |
-} // namespace WebCore |
- |
-#endif // V8AbstractEventListener_h |