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Unified Diff: Source/bindings/v8/V8AbstractEventListener.h

Issue 351423002: Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 6 months ago
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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
+++ /dev/null
@@ -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
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