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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /khtml/xml/dom2_eventsimpl.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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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