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tdelibs/khtml/xml/dom2_eventsimpl.h

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/*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* (C) 2002 Apple Computer, Inc.
*
* 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 _DOM_EventsImpl_h_
#define _DOM_EventsImpl_h_
#include "dom/dom2_events.h"
#include "xml/dom2_viewsimpl.h"
class KHTMLPart;
class QMouseEvent;
namespace DOM {
class AbstractViewImpl;
class DOMStringImpl;
class NodeImpl;
// ### support user-defined events
class EventImpl : public khtml::Shared<EventImpl>
{
public:
enum EventId {
UNKNOWN_EVENT = 0,
// UI events
DOMFOCUSIN_EVENT,
DOMFOCUSOUT_EVENT,
DOMACTIVATE_EVENT,
// Mouse events
CLICK_EVENT,
MOUSEDOWN_EVENT,
MOUSEUP_EVENT,
MOUSEOVER_EVENT,
MOUSEMOVE_EVENT,
MOUSEOUT_EVENT,
// Mutation events
DOMSUBTREEMODIFIED_EVENT,
DOMNODEINSERTED_EVENT,
DOMNODEREMOVED_EVENT,
DOMNODEREMOVEDFROMDOCUMENT_EVENT,
DOMNODEINSERTEDINTODOCUMENT_EVENT,
DOMATTRMODIFIED_EVENT,
DOMCHARACTERDATAMODIFIED_EVENT,
// HTML events
LOAD_EVENT,
UNLOAD_EVENT,
ABORT_EVENT,
ERROR_EVENT,
SELECT_EVENT,
CHANGE_EVENT,
SUBMIT_EVENT,
RESET_EVENT,
FOCUS_EVENT,
BLUR_EVENT,
RESIZE_EVENT,
SCROLL_EVENT,
// keyboard events
KEYDOWN_EVENT,
KEYUP_EVENT,
KEYPRESS_EVENT, //Mostly corresponds to DOM3 textInput event.
// khtml events (not part of DOM)
KHTML_ECMA_DBLCLICK_EVENT, // for html ondblclick
KHTML_ECMA_CLICK_EVENT, // for html onclick
KHTML_DRAGDROP_EVENT,
KHTML_MOVE_EVENT,
// XMLHttpRequest events
KHTML_READYSTATECHANGE_EVENT
};
EventImpl();
EventImpl(EventId _id, bool canBubbleArg, bool cancelableArg);
virtual ~EventImpl();
EventId id() const { return m_id; }
DOMString type() const { return m_type; }
NodeImpl *target() const { return m_target; }
void setTarget(NodeImpl *_target);
NodeImpl *currentTarget() const { return m_currentTarget; }
void setCurrentTarget(NodeImpl *_currentTarget) { m_currentTarget = _currentTarget; }
unsigned short eventPhase() const { return m_eventPhase; }
void setEventPhase(unsigned short _eventPhase) { m_eventPhase = _eventPhase; }
bool bubbles() const { return m_canBubble; }
bool cancelable() const { return m_cancelable; }
DOMTimeStamp timeStamp();
void stopPropagation(bool stop) { m_propagationStopped = stop; }
void preventDefault(bool prevent) { if ( m_cancelable ) m_defaultPrevented = prevent; }
void initEvent(const DOMString &eventTypeArg, bool canBubbleArg, bool cancelableArg);
virtual bool isUIEvent() const;
virtual bool isMouseEvent() const;
virtual bool isMutationEvent() const;
virtual bool isTextInputEvent() const;
virtual bool isKeyboardEvent() const;
bool isKeyRelatedEvent() const { return isTextInputEvent() || isKeyboardEvent(); }
bool propagationStopped() const { return m_propagationStopped; }
bool defaultPrevented() const { return m_defaultPrevented; }
static EventId typeToId(DOMString type);
static DOMString idToType(EventId id);
void setDefaultHandled() { m_defaultHandled = true; }
bool defaultHandled() const { return m_defaultHandled; }
DOMString message() const { return m_message; }
void setMessage(const DOMString &_message) { m_message = _message; }
protected:
DOMStringImpl *m_type;
bool m_canBubble;
bool m_cancelable;
bool m_propagationStopped;
bool m_defaultPrevented;
bool m_defaultHandled;
EventId m_id : 6;
unsigned short m_eventPhase : 2;
NodeImpl *m_currentTarget; // ref > 0 maintained externally
NodeImpl *m_target;
QDateTime m_createTime;
DOMString m_message;
};
class UIEventImpl : public EventImpl
{
public:
UIEventImpl() : m_view(0), m_detail(0) {}
UIEventImpl(EventId _id,
bool canBubbleArg,
bool cancelableArg,
AbstractViewImpl *viewArg,
long detailArg);
virtual ~UIEventImpl();
AbstractViewImpl *view() const { return m_view; }
long detail() const { return m_detail; }
void initUIEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
long detailArg);
virtual bool isUIEvent() const;
protected:
AbstractViewImpl *m_view;
long m_detail;
};
// Introduced in DOM Level 2: - internal
class MouseEventImpl : public UIEventImpl {
public:
MouseEventImpl();
MouseEventImpl(EventId _id,
bool canBubbleArg,
bool cancelableArg,
AbstractViewImpl *viewArg,
long detailArg,
long screenXArg,
long screenYArg,
long clientXArg,
long clientYArg,
long pageXArg,
long pageYArg,
bool ctrlKeyArg,
bool altKeyArg,
bool shiftKeyArg,
bool metaKeyArg,
unsigned short buttonArg,
NodeImpl *relatedTargetArg,
QMouseEvent *qe = 0,
bool isDoubleClick = false);
virtual ~MouseEventImpl();
long screenX() const { return m_screenX; }
long screenY() const { return m_screenY; }
long clientX() const { return m_clientX; }
long clientY() const { return m_clientY; }
long layerX() const { return m_layerX; } // non-DOM extension
long layerY() const { return m_layerY; } // non-DOM extension
long pageX() const { return m_pageX; } // non-DOM extension
long pageY() const { return m_pageY; } // non-DOM extension
bool isDoubleClick() const { return m_isDoubleClick; } // non-DOM extension
bool ctrlKey() const { return m_ctrlKey; }
bool shiftKey() const { return m_shiftKey; }
bool altKey() const { return m_altKey; }
bool metaKey() const { return m_metaKey; }
unsigned short button() const { return m_button; }
NodeImpl *relatedTarget() const { return m_relatedTarget; }
void computeLayerPos();
void initMouseEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
long detailArg,
long screenXArg,
long screenYArg,
long clientXArg,
long clientYArg,
bool ctrlKeyArg,
bool altKeyArg,
bool shiftKeyArg,
bool metaKeyArg,
unsigned short buttonArg,
const Node &relatedTargetArg);
virtual bool isMouseEvent() const;
QMouseEvent *qEvent() const { return m_qevent; }
protected:
long m_screenX;
long m_screenY;
long m_clientX;
long m_clientY;
long m_layerX;
long m_layerY;
long m_pageX;
long m_pageY;
bool m_ctrlKey : 1;
bool m_altKey : 1;
bool m_shiftKey : 1;
bool m_metaKey : 1;
bool m_isDoubleClick : 1;
unsigned short m_button;
NodeImpl *m_relatedTarget;
QMouseEvent *m_qevent;
};
class KeyEventBaseImpl : public UIEventImpl {
public:
// VirtualKeyCode
enum KeyCodes {
DOM_VK_UNDEFINED = 0x0,
DOM_VK_RIGHT_ALT = 0x12,
DOM_VK_LEFT_ALT = 0x12,
DOM_VK_LEFT_CONTROL = 0x11,
DOM_VK_RIGHT_CONTROL = 0x11,
DOM_VK_LEFT_SHIFT = 0x10,
DOM_VK_RIGHT_SHIFT = 0x10,
DOM_VK_META = 0x9D,
DOM_VK_BACK_SPACE = 0x08,
DOM_VK_CAPS_LOCK = 0x14,
DOM_VK_DELETE = 0x7F,
DOM_VK_END = 0x23,
DOM_VK_ENTER = 0x0D,
DOM_VK_ESCAPE = 0x1B,
DOM_VK_HOME = 0x24,
DOM_VK_NUM_LOCK = 0x90,
DOM_VK_PAUSE = 0x13,
DOM_VK_PRINTSCREEN = 0x9A,
DOM_VK_SCROLL_LOCK = 0x91,
DOM_VK_SPACE = 0x20,
DOM_VK_TAB = 0x09,
DOM_VK_LEFT = 0x25,
DOM_VK_RIGHT = 0x27,
DOM_VK_UP = 0x26,
DOM_VK_DOWN = 0x28,
DOM_VK_PAGE_DOWN = 0x22,
DOM_VK_PAGE_UP = 0x21,
DOM_VK_F1 = 0x70,
DOM_VK_F2 = 0x71,
DOM_VK_F3 = 0x72,
DOM_VK_F4 = 0x73,
DOM_VK_F5 = 0x74,
DOM_VK_F6 = 0x75,
DOM_VK_F7 = 0x76,
DOM_VK_F8 = 0x77,
DOM_VK_F9 = 0x78,
DOM_VK_F10 = 0x79,
DOM_VK_F11 = 0x7A,
DOM_VK_F12 = 0x7B,
DOM_VK_F13 = 0xF000,
DOM_VK_F14 = 0xF001,
DOM_VK_F15 = 0xF002,
DOM_VK_F16 = 0xF003,
DOM_VK_F17 = 0xF004,
DOM_VK_F18 = 0xF005,
DOM_VK_F19 = 0xF006,
DOM_VK_F20 = 0xF007,
DOM_VK_F21 = 0xF008,
DOM_VK_F22 = 0xF009,
DOM_VK_F23 = 0xF00A,
DOM_VK_F24 = 0xF00B
};
void initKeyBaseEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
unsigned long keyVal,
unsigned long virtKeyVal,
unsigned long modifiers);
bool ctrlKey() const { return m_modifier & Qt::ControlButton; }
bool shiftKey() const { return m_modifier & Qt::ShiftButton; }
bool altKey() const { return m_modifier & Qt::AltButton; }
bool metaKey() const { return m_modifier & Qt::MetaButton; }
bool inputGenerated() const { return m_virtKeyVal == 0; }
unsigned long keyVal() const { return m_keyVal; }
unsigned long virtKeyVal() const { return m_virtKeyVal; }
QKeyEvent *qKeyEvent() const { if (!m_keyEvent) buildQKeyEvent(); return m_keyEvent; }
//Legacy key stuff...
virtual int keyCode() const = 0;
virtual int charCode() const = 0;
//### KDE4: remove these 2
void initModifier(unsigned long modifierArg, bool valueArg);
bool checkModifier(unsigned long modifierArg);
~KeyEventBaseImpl();
//Returns true if the event was synthesized by client use of DOM
bool isSynthetic() const { return m_synthetic; }
protected:
KeyEventBaseImpl(): m_keyEvent(0), m_keyVal(0), m_virtKeyVal(0), m_modifier(0), m_synthetic(false)
{ m_detail = 0; }
KeyEventBaseImpl(EventId id,
bool canBubbleArg,
bool cancelableArg,
AbstractViewImpl *viewArg,
QKeyEvent *key);
mutable QKeyEvent *m_keyEvent;
unsigned long m_keyVal; //Unicode key value
unsigned long m_virtKeyVal; //Virtual key value for keys like arrows, Fn, etc.
// bitfield containing state of modifiers. not part of the dom.
unsigned long m_modifier;
bool m_synthetic;
void buildQKeyEvent() const; //Construct a Qt key event from m_keyVal/m_virtKeyVal
};
class TextEventImpl : public KeyEventBaseImpl {
public:
TextEventImpl();
TextEventImpl(QKeyEvent* key, DOM::AbstractViewImpl* view);
void initTextEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
const DOMString& text);
virtual bool isTextInputEvent() const;
//Legacy key stuff...
int keyCode() const;
int charCode() const;
DOMString data() const { return m_outputString; }
private:
DOMString m_outputString;
};
class KeyboardEventImpl : public KeyEventBaseImpl {
public:
KeyboardEventImpl();
KeyboardEventImpl(QKeyEvent* key, DOM::AbstractViewImpl* view);
virtual bool isKeyboardEvent() const;
enum KeyLocation {
DOM_KEY_LOCATION_STANDARD = 0x00,
DOM_KEY_LOCATION_LEFT = 0x01,
DOM_KEY_LOCATION_RIGHT = 0x02,
DOM_KEY_LOCATION_NUMPAD = 0x03
};
//Legacy key stuff...
int keyCode() const;
int charCode() const;
DOMString keyIdentifier() const;
unsigned long keyLocation() const { return m_keyLocation; }
bool getModifierState(const DOMString& keyIdentifierArg) const;
void initKeyboardEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
const DOMString &keyIdentifierArg,
unsigned long keyLocationArg,
const DOMString& modifiersList);
//### KDE4: remove this, it's only for compatibility with
//the old TextEvent wrapper
void initKeyboardEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const AbstractView &viewArg,
unsigned long keyVal,
unsigned long virtKeyVal,
unsigned long modifiers,
unsigned long keyLocationArg) {
initKeyBaseEvent(typeArg, canBubbleArg, cancelableArg, viewArg,
keyVal, virtKeyVal, modifiers);
m_keyLocation = keyLocationArg;
}
private:
unsigned long m_keyLocation;
};
class MutationEventImpl : public EventImpl {
// ### fire these during parsing (if necessary)
public:
MutationEventImpl();
MutationEventImpl(EventId _id,
bool canBubbleArg,
bool cancelableArg,
const Node &relatedNodeArg,
const DOMString &prevValueArg,
const DOMString &newValueArg,
const DOMString &attrNameArg,
unsigned short attrChangeArg);
~MutationEventImpl();
Node relatedNode() const { return m_relatedNode; }
DOMString prevValue() const { return m_prevValue; }
DOMString newValue() const { return m_newValue; }
DOMString attrName() const { return m_attrName; }
unsigned short attrChange() const { return m_attrChange; }
void initMutationEvent(const DOMString &typeArg,
bool canBubbleArg,
bool cancelableArg,
const Node &relatedNodeArg,
const DOMString &prevValueArg,
const DOMString &newValueArg,
const DOMString &attrNameArg,
unsigned short attrChangeArg);
virtual bool isMutationEvent() const;
protected:
NodeImpl *m_relatedNode;
DOMStringImpl *m_prevValue;
DOMStringImpl *m_newValue;
DOMStringImpl *m_attrName;
unsigned short m_attrChange;
};
class RegisteredEventListener {
public:
RegisteredEventListener() : id(EventImpl::EventId(0)), useCapture(false), listener(0) {}
RegisteredEventListener(EventImpl::EventId _id, EventListener *_listener, bool _useCapture)
: id(_id), useCapture(_useCapture), listener(_listener) { if (listener) listener->ref(); }
~RegisteredEventListener() { if (listener) listener->deref(); listener = 0; }
bool operator==(const RegisteredEventListener &other) const
{ return id == other.id && listener == other.listener && useCapture == other.useCapture; }
EventImpl::EventId id : 6;
bool useCapture;
EventListener *listener;
RegisteredEventListener( const RegisteredEventListener &other ) :
id(other.id), useCapture(other.useCapture), listener(other.listener)
{ if (listener) listener->ref(); }
RegisteredEventListener & operator=( const RegisteredEventListener &other ) {
id = other.id;
useCapture = other.useCapture;
if (other.listener)
other.listener->ref();
if (listener)
listener->deref();
listener = other.listener;
return *this;
}
};
} //namespace
#endif
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