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Unified Diff: Source/core/events/EventTarget.h

Issue 26558004: Revert 158219 "Move dom/*Event* to events to match the DOM vs. E..." (Closed) Base URL: svn://svn.chromium.org/blink/branches/chromium/1651/
Patch Set: Created 7 years, 2 months ago
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Index: Source/core/events/EventTarget.h
===================================================================
--- Source/core/events/EventTarget.h (revision 159156)
+++ Source/core/events/EventTarget.h (working copy)
@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- * (C) 1999 Antti Koivisto (koivisto@kde.org)
- * (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- * (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 EventTarget_h
-#define EventTarget_h
-
-#include "core/events/EventListenerMap.h"
-#include "core/events/EventNames.h"
-#include "wtf/Forward.h"
-
-namespace WebCore {
-
- class ApplicationCache;
- class AudioContext;
- class DOMWindow;
- class DedicatedWorkerGlobalScope;
- class Event;
- class EventListener;
- class EventSource;
- class ExceptionState;
- class FileReader;
- class FileWriter;
- class IDBDatabase;
- class IDBRequest;
- class IDBTransaction;
- class MIDIAccess;
- class MIDIInput;
- class MIDIPort;
- class MediaController;
- class MediaStream;
- class MessagePort;
- class NamedFlow;
- class Node;
- class Notification;
- class SVGElementInstance;
- class ScriptExecutionContext;
- class ScriptProcessorNode;
- class SharedWorker;
- class SharedWorkerGlobalScope;
- class TextTrack;
- class TextTrackCue;
- class WebSocket;
- class Worker;
- class XMLHttpRequest;
- class XMLHttpRequestUpload;
-
- struct FiringEventIterator {
- FiringEventIterator(const AtomicString& eventType, size_t& iterator, size_t& end)
- : eventType(eventType)
- , iterator(iterator)
- , end(end)
- {
- }
-
- const AtomicString& eventType;
- size_t& iterator;
- size_t& end;
- };
- typedef Vector<FiringEventIterator, 1> FiringEventIteratorVector;
-
- struct EventTargetData {
- WTF_MAKE_NONCOPYABLE(EventTargetData); WTF_MAKE_FAST_ALLOCATED;
- public:
- EventTargetData();
- ~EventTargetData();
-
- EventListenerMap eventListenerMap;
- OwnPtr<FiringEventIteratorVector> firingEventIterators;
- };
-
- class EventTarget {
- public:
- void ref() { refEventTarget(); }
- void deref() { derefEventTarget(); }
-
- virtual const AtomicString& interfaceName() const = 0;
- virtual ScriptExecutionContext* scriptExecutionContext() const = 0;
-
- virtual Node* toNode();
- virtual DOMWindow* toDOMWindow();
- virtual MessagePort* toMessagePort();
-
- virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
- virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
- virtual void removeAllEventListeners();
- virtual bool dispatchEvent(PassRefPtr<Event>);
- bool dispatchEvent(PassRefPtr<Event>, ExceptionState&); // DOM API
- virtual void uncaughtExceptionInEventHandler();
-
- // Used for legacy "onEvent" attribute APIs.
- bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, DOMWrapperWorld* isolatedWorld = 0);
- EventListener* getAttributeEventListener(const AtomicString& eventType, DOMWrapperWorld* isolatedWorld = 0);
-
- bool hasEventListeners() const;
- bool hasEventListeners(const AtomicString& eventType) const;
- bool hasCapturingEventListeners(const AtomicString& eventType);
- const EventListenerVector& getEventListeners(const AtomicString& eventType);
-
- bool fireEventListeners(Event*);
- bool isFiringEventListeners();
-
- protected:
- virtual ~EventTarget();
-
- virtual EventTargetData* eventTargetData() = 0;
- virtual EventTargetData* ensureEventTargetData() = 0;
-
- private:
- virtual void refEventTarget() = 0;
- virtual void derefEventTarget() = 0;
-
- DOMWindow* executingWindow();
- void fireEventListeners(Event*, EventTargetData*, EventListenerVector&);
- void countLegacyEvents(const AtomicString& legacyTypeName, EventListenerVector*, EventListenerVector*);
-
- bool clearAttributeEventListener(const AtomicString& eventType, DOMWrapperWorld* isolatedWorld);
-
- friend class EventListenerIterator;
- };
-
- // FIXME: These macros should be split into separate DEFINE and DECLARE
- // macros to avoid causing so many header includes.
- #define DEFINE_ATTRIBUTE_EVENT_LISTENER(attribute) \
- EventListener* on##attribute(DOMWrapperWorld* isolatedWorld) { return getAttributeEventListener(eventNames().attribute##Event, isolatedWorld); } \
- void setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld = 0) { setAttributeEventListener(eventNames().attribute##Event, listener, isolatedWorld); } \
-
- #define DECLARE_VIRTUAL_ATTRIBUTE_EVENT_LISTENER(attribute) \
- virtual EventListener* on##attribute(DOMWrapperWorld* isolatedWorld); \
- virtual void setOn##attribute(PassRefPtr<EventListener>, DOMWrapperWorld* isolatedWorld); \
-
- #define DEFINE_VIRTUAL_ATTRIBUTE_EVENT_LISTENER(type, attribute) \
- EventListener* type::on##attribute(DOMWrapperWorld* isolatedWorld) { return getAttributeEventListener(eventNames().attribute##Event, isolatedWorld); } \
- void type::setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld) { setAttributeEventListener(eventNames().attribute##Event, listener, isolatedWorld); } \
-
- #define DEFINE_WINDOW_ATTRIBUTE_EVENT_LISTENER(attribute) \
- EventListener* on##attribute(DOMWrapperWorld* isolatedWorld) { return document().getWindowAttributeEventListener(eventNames().attribute##Event, isolatedWorld); } \
- void setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld) { document().setWindowAttributeEventListener(eventNames().attribute##Event, listener, isolatedWorld); } \
-
- #define DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(attribute, eventName) \
- EventListener* on##attribute(DOMWrapperWorld* isolatedWorld) { return getAttributeEventListener(eventNames().eventName##Event, isolatedWorld); } \
- void setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld) { setAttributeEventListener(eventNames().eventName##Event, listener, isolatedWorld); } \
-
- #define DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(recipient, attribute) \
- EventListener* on##attribute(DOMWrapperWorld* isolatedWorld); \
- void setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld);
-
- #define DEFINE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(type, recipient, attribute) \
- EventListener* type::on##attribute(DOMWrapperWorld* isolatedWorld) { return recipient ? recipient->getAttributeEventListener(eventNames().attribute##Event, isolatedWorld) : 0; } \
- void type::setOn##attribute(PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld) { if (recipient) recipient->setAttributeEventListener(eventNames().attribute##Event, listener, isolatedWorld); }
-
- inline bool EventTarget::isFiringEventListeners()
- {
- EventTargetData* d = eventTargetData();
- if (!d)
- return false;
- return d->firingEventIterators && !d->firingEventIterators->isEmpty();
- }
-
- inline bool EventTarget::hasEventListeners() const
- {
- // FIXME: We should have a const version of eventTargetData.
- if (const EventTargetData* d = const_cast<EventTarget*>(this)->eventTargetData())
- return !d->eventListenerMap.isEmpty();
- return false;
- }
-
- inline bool EventTarget::hasEventListeners(const AtomicString& eventType) const
- {
- // FIXME: We should have const version of eventTargetData.
- if (const EventTargetData* d = const_cast<EventTarget*>(this)->eventTargetData())
- return d->eventListenerMap.contains(eventType);
- return false;
- }
-
- inline bool EventTarget::hasCapturingEventListeners(const AtomicString& eventType)
- {
- EventTargetData* d = eventTargetData();
- if (!d)
- return false;
- return d->eventListenerMap.containsCapturing(eventType);
- }
-
-} // namespace WebCore
-
-#endif // EventTarget_h
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