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/*
* 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, 2009, 2010 Apple Inc. All rights
* reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
* (http://www.torchmobile.com/)
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_EVENT_DISPATCHER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_EVENT_DISPATCHER_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/dom/events/event_dispatch_result.h"
#include "third_party/blink/renderer/core/dom/events/simulated_click_options.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class Event;
class EventDispatchHandlingState;
class LocalFrameView;
class Node;
class EventDispatchHandlingState
: public GarbageCollected<EventDispatchHandlingState> {
public:
virtual void Trace(Visitor* visitor) {}
};
enum EventDispatchContinuation { kContinueDispatching, kDoneDispatching };
class EventDispatcher {
STACK_ALLOCATED();
public:
static DispatchEventResult DispatchEvent(Node&, Event&);
static void DispatchScopedEvent(Node&, Event&);
static void DispatchSimulatedClick(Node&,
const Event* underlying_event,
SimulatedClickMouseEventOptions,
SimulatedClickCreationScope);
DispatchEventResult Dispatch();
Node& GetNode() const { return *node_; }
Event& GetEvent() const { return *event_; }
private:
EventDispatcher(Node&, Event&);
EventDispatchContinuation DispatchEventPreProcess(
Node* activation_target,
EventDispatchHandlingState*&);
EventDispatchContinuation DispatchEventAtCapturing();
EventDispatchContinuation DispatchEventAtTarget();
void DispatchEventAtBubbling();
void DispatchEventPostProcess(Node* activation_target,
EventDispatchHandlingState*);
Node* node_;
Event* event_;
LocalFrameView* view_;
#if DCHECK_IS_ON()
bool event_dispatched_ = false;
#endif
};
} // namespace blink
#endif
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