1 /**

     2  * This file is part of the DOM implementation for KDE.

     3  *

     4  * Copyright (C) 2001 Peter Kelly (pmk@post.com)

     5  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)

     6  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)

     7  * Copyright (C) 2003, 2005, 2006 Apple Computer, Inc.

     8  *

     9  * This library is free software; you can redistribute it and/or

    10  * modify it under the terms of the GNU Library General Public

    11  * License as published by the Free Software Foundation; either

    12  * version 2 of the License, or (at your option) any later version.

    13  *

    14  * This library is distributed in the hope that it will be useful,

    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    17  * Library General Public License for more details.

    18  *

    19  * You should have received a copy of the GNU Library General Public License

    20  * along with this library; see the file COPYING.LIB.  If not, write to

    21  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    22  * Boston, MA 02110-1301, USA.

    23  */

    24 #include "config.h"

    25 #include "Event.h"

    26 

    27 #include "AtomicString.h"

    28 #include "SystemTime.h"

    29 

    30 namespace WebCore {

    31 

    32 Event::Event()

    33     : m_canBubble(false)

    34     , m_cancelable(false)

    35     , m_propagationStopped(false)

    36     , m_defaultPrevented(false)

    37     , m_defaultHandled(false)

    38     , m_cancelBubble(false)

    39     , m_currentTarget(0)

    40     , m_eventPhase(0)

    41     , m_createTime(static_cast<DOMTimeStamp>(currentTime() * 1000.0))

    42 {

    43 }

    44 

    45 Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg)

    46     : m_type(eventType)

    47     , m_canBubble(canBubbleArg)

    48     , m_cancelable(cancelableArg)

    49     , m_propagationStopped(false)

    50     , m_defaultPrevented(false)

    51     , m_defaultHandled(false)

    52     , m_cancelBubble(false)

    53     , m_currentTarget(0)

    54     , m_eventPhase(0)

    55     , m_createTime(static_cast<DOMTimeStamp>(currentTime() * 1000.0))

    56 {

    57 }

    58 

    59 Event::~Event()

    60 {

    61 }

    62 

    63 void Event::initEvent(const AtomicString& eventTypeArg, bool canBubbleArg, bool cancelableArg)

    64 {

    65     if (dispatched())

    66         return;

    67 

    68     m_type = eventTypeArg;

    69     m_canBubble = canBubbleArg;

    70     m_cancelable = cancelableArg;

    71 }

    72 

    73 bool Event::isUIEvent() const

    74 {

    75     return false;

    76 }

    77 

    78 bool Event::isMouseEvent() const

    79 {

    80     return false;

    81 }

    82 

    83 bool Event::isMutationEvent() const

    84 {

    85     return false;

    86 }

    87 

    88 bool Event::isKeyboardEvent() const

    89 {

    90     return false;

    91 }

    92 

    93 bool Event::isTextEvent() const

    94 {

    95     return false;

    96 }

    97 

    98 bool Event::isDragEvent() const

    99 {

   100     return false;

   101 }

   102 

   103 bool Event::isClipboardEvent() const

   104 {

   105     return false;

   106 }

   107 

   108 bool Event::isWheelEvent() const

   109 {

   110     return false;

   111 }

   112 

   113 bool Event::isBeforeTextInsertedEvent() const

   114 {

   115     return false;

   116 }

   117 

   118 bool Event::isOverflowEvent() const

   119 {

   120     return false;

   121 }

   122 

   123 #if ENABLE(SVG)

   124 bool Event::isSVGZoomEvent() const

   125 {

   126     return false;

   127 }

   128 #endif

   129 

   130 

   131 bool Event::storesResultAsString() const

   132 {

   133     return false;

   134 }

   135 

   136 void Event::storeResult(const String&)

   137 {

   138 }

   139 

   140 void Event::setTarget(PassRefPtr<EventTarget> target)

   141 {

   142     m_target = target;

   143     if (m_target)

   144         receivedTarget();

   145 }

   146 

   147 void Event::receivedTarget()

   148 {

   149 }

   150 

   151 void Event::setUnderlyingEvent(PassRefPtr<Event> ue)

   152 {

   153     // Prohibit creation of a cycle -- just do nothing in that case.

   154     for (Event* e = ue.get(); e; e = e->underlyingEvent())

   155         if (e == this)

   156             return;

   157     m_underlyingEvent = ue;

   158 }

   159 

   160 } // namespace WebCore