third_party/WebKit/Source/core/events/FocusEvent.cpp

   1 /*
   2  * Copyright (C) 2013 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "core/events/FocusEvent.h"
  28
  29 #include "core/events/Event.h"
  30 #include "core/events/EventDispatcher.h"
  31
  32 namespace blink {
  33
  34 const AtomicString& FocusEvent::interfaceName() const
  35 {
  36     return EventNames::FocusEvent;
  37 }
  38
  39 bool FocusEvent::isFocusEvent() const
  40 {
  41     return true;
  42 }
  43
  44 FocusEvent::FocusEvent()
  45 {
  46 }
  47
  48 FocusEvent::FocusEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView> view, int detail, EventTarget* relatedTarget, InputDeviceCapabilities* sourceCapabilities)
  49     : UIEvent(type, canBubble, cancelable, view, detail, sourceCapabilities)
  50     , m_relatedTarget(relatedTarget)
  51 {
  52 }
  53
  54 FocusEvent::FocusEvent(const AtomicString& type, const FocusEventInit& initializer)
  55     : UIEvent(type, initializer)
  56 {
  57     if (initializer.hasRelatedTarget())
  58         m_relatedTarget = initializer.relatedTarget();
  59 }
  60
  61 PassRefPtrWillBeRawPtr<EventDispatchMediator> FocusEvent::createMediator()
  62 {
  63     return FocusEventDispatchMediator::create(this);
  64 }
  65
  66 DEFINE_TRACE(FocusEvent)
  67 {
  68     visitor->trace(m_relatedTarget);
  69     UIEvent::trace(visitor);
  70 }
  71
  72 PassRefPtrWillBeRawPtr<FocusEventDispatchMediator> FocusEventDispatchMediator::create(PassRefPtrWillBeRawPtr<FocusEvent> focusEvent)
  73 {
  74     return adoptRefWillBeNoop(new FocusEventDispatchMediator(focusEvent));
  75 }
  76
  77 FocusEventDispatchMediator::FocusEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent> focusEvent)
  78     : EventDispatchMediator(focusEvent)
  79 {
  80 }
  81
  82 bool FocusEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
  83 {
  84     event().eventPath().adjustForRelatedTarget(dispatcher.node(), event().relatedTarget());
  85     return EventDispatchMediator::dispatchEvent(dispatcher);
  86 }
  87
  88 } // namespace blink