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      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 #ifndef FocusEvent_h
     27 #define FocusEvent_h
     28 
     29 #include "core/events/EventTarget.h"
     30 #include "core/events/UIEvent.h"
     31 
     32 namespace blink {
     33 
     34 class Node;
     35 
     36 struct FocusEventInit : public UIEventInit {
     37     FocusEventInit();
     38 
     39     RefPtrWillBeMember<EventTarget> relatedTarget;
     40 };
     41 
     42 class FocusEvent FINAL : public UIEvent {
     43     DEFINE_WRAPPERTYPEINFO();
     44 public:
     45     static PassRefPtrWillBeRawPtr<FocusEvent> create()
     46     {
     47         return adoptRefWillBeNoop(new FocusEvent);
     48     }
     49 
     50     static PassRefPtrWillBeRawPtr<FocusEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView> view, int detail, EventTarget* relatedTarget)
     51     {
     52         return adoptRefWillBeNoop(new FocusEvent(type, canBubble, cancelable, view, detail, relatedTarget));
     53     }
     54 
     55     static PassRefPtrWillBeRawPtr<FocusEvent> create(const AtomicString& type, const FocusEventInit& initializer)
     56     {
     57         return adoptRefWillBeNoop(new FocusEvent(type, initializer));
     58     }
     59 
     60     EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
     61     void setRelatedTarget(EventTarget* relatedTarget) { m_relatedTarget = relatedTarget; }
     62 
     63     virtual const AtomicString& interfaceName() const OVERRIDE;
     64     virtual bool isFocusEvent() const OVERRIDE;
     65 
     66     virtual void trace(Visitor*) OVERRIDE;
     67 
     68 private:
     69     FocusEvent();
     70     FocusEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, int, EventTarget*);
     71     FocusEvent(const AtomicString& type, const FocusEventInit&);
     72 
     73     RefPtrWillBeMember<EventTarget> m_relatedTarget;
     74 };
     75 
     76 DEFINE_EVENT_TYPE_CASTS(FocusEvent);
     77 
     78 class FocusEventDispatchMediator FINAL : public EventDispatchMediator {
     79 public:
     80     static PassRefPtrWillBeRawPtr<FocusEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
     81 private:
     82     explicit FocusEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
     83     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
     84     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
     85 };
     86 
     87 class BlurEventDispatchMediator FINAL : public EventDispatchMediator {
     88 public:
     89     static PassRefPtrWillBeRawPtr<BlurEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
     90 private:
     91     explicit BlurEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
     92     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
     93     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
     94 };
     95 
     96 class FocusInEventDispatchMediator FINAL : public EventDispatchMediator {
     97 public:
     98     static PassRefPtrWillBeRawPtr<FocusInEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
     99 private:
    100     explicit FocusInEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
    101     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
    102     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
    103 };
    104 
    105 class FocusOutEventDispatchMediator FINAL : public EventDispatchMediator {
    106 public:
    107     static PassRefPtrWillBeRawPtr<FocusOutEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
    108 private:
    109     explicit FocusOutEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
    110     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
    111     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
    112 };
    113 
    114 } // namespace blink
    115 
    116 #endif // FocusEvent_h
    117