| /* |
| * 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 |