khtml Library API Documentation

kjs_events.cpp

00001 // -*- c-basic-offset: 2 -*-
00002 /*
00003  *  This file is part of the KDE libraries
00004  *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
00005  *  Copyright (C) 2003 Apple Computer, Inc.
00006  *
00007  *  This library is free software; you can redistribute it and/or
00008  *  modify it under the terms of the GNU Library General Public
00009  *  License as published by the Free Software Foundation; either
00010  *  version 2 of the License, or (at your option) any later version.
00011  *
00012  *  This library is distributed in the hope that it will be useful,
00013  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  *  Library General Public License for more details.
00016  *
00017  *  You should have received a copy of the GNU Library General Public
00018  *  License along with this library; if not, write to the Free Software
00019  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  */
00021 
00022 #include "kjs_window.h"
00023 #include "kjs_events.h"
00024 #include "kjs_events.lut.h"
00025 #include "kjs_views.h"
00026 #include "kjs_proxy.h"
00027 #include "xml/dom_nodeimpl.h"
00028 #include "xml/dom_docimpl.h"
00029 #include "xml/dom2_eventsimpl.h"
00030 #include "rendering/render_object.h"
00031 #include "rendering/render_canvas.h"
00032 #include "xml/dom2_eventsimpl.h"
00033 #include "khtml_part.h"
00034 
00035 #include <kdebug.h>
00036 
00037 using namespace KJS;
00038 using namespace DOM;
00039 
00040 // -------------------------------------------------------------------------
00041 
00042 JSEventListener::JSEventListener(Object _listener, ObjectImp *_compareListenerImp, const Object &_win, bool _html)
00043   : listener( _listener ), compareListenerImp( _compareListenerImp ), html( _html ), win( _win )
00044 {
00045     //fprintf(stderr,"JSEventListener::JSEventListener this=%p listener=%p\n",this,listener.imp());
00046   if (compareListenerImp) {
00047     static_cast<Window*>(win.imp())->jsEventListeners.insert(compareListenerImp, this);
00048   }
00049 }
00050 
00051 JSEventListener::~JSEventListener()
00052 {
00053   if (compareListenerImp) {
00054     static_cast<Window*>(win.imp())->jsEventListeners.remove(compareListenerImp);
00055   }
00056   //fprintf(stderr,"JSEventListener::~JSEventListener this=%p listener=%p\n",this,listener.imp());
00057 }
00058 
00059 void JSEventListener::handleEvent(DOM::Event &evt)
00060 {
00061 #ifdef KJS_DEBUGGER
00062   if (KJSDebugWin::debugWindow() && KJSDebugWin::debugWindow()->inSession())
00063     return;
00064 #endif
00065   KHTMLPart *part = ::qt_cast<KHTMLPart *>(static_cast<Window*>(win.imp())->part());
00066   KJSProxy *proxy = 0L;
00067   if (part)
00068     proxy = part->jScript();
00069 
00070   if (proxy && listener.implementsCall()) {
00071     ref();
00072 
00073     KJS::ScriptInterpreter *interpreter = static_cast<KJS::ScriptInterpreter *>(proxy->interpreter());
00074     ExecState *exec = interpreter->globalExec();
00075 
00076     List args;
00077     args.append(getDOMEvent(exec,evt));
00078 
00079     // Set "this" to the event's current target
00080     Object thisObj = Object::dynamicCast(getDOMNode(exec,evt.currentTarget()));
00081     ScopeChain oldScope = listener.scope();
00082     if ( thisObj.isValid() ) {
00083       ScopeChain scope = oldScope;
00084       // Add the event's target element to the scope
00085       // (and the document, and the form - see KJS::HTMLElement::eventHandlerScope)
00086       static_cast<DOMNode*>(thisObj.imp())->pushEventHandlerScope(exec, scope);
00087       listener.setScope( scope );
00088     }
00089     else {
00090       if ( m_hackThisObj.isValid() ) { // special hack for Image
00091         thisObj = m_hackThisObj;
00092       }
00093       else
00094       {
00095         // Window events (window.onload/window.onresize etc.) must have 'this' set to the window.
00096         // DocumentImpl::defaultEventHandler sets currentTarget to 0 to mean 'window'.
00097         thisObj = win;
00098       }
00099     }
00100 
00101     Window *window = static_cast<Window*>(win.imp());
00102     // Set the event we're handling in the Window object
00103     window->setCurrentEvent( &evt );
00104     // ... and in the interpreter
00105     interpreter->setCurrentEvent( &evt );
00106 
00107     KJSCPUGuard guard;
00108     guard.start();
00109     Value retval = listener.call(exec, thisObj, args);
00110     guard.stop();
00111 
00112     listener.setScope( oldScope );
00113 
00114     window->setCurrentEvent( 0 );
00115     interpreter->setCurrentEvent( 0 );
00116     if ( exec->hadException() )
00117       exec->clearException();
00118     else if (html)
00119     {
00120       QVariant ret = ValueToVariant(exec, retval);
00121       if (ret.type() == QVariant::Bool && ret.toBool() == false)
00122         evt.preventDefault();
00123     }
00124     window->afterScriptExecution();
00125     deref();
00126   }
00127 }
00128 
00129 DOM::DOMString JSEventListener::eventListenerType()
00130 {
00131     if (html)
00132     return "_khtml_HTMLEventListener";
00133     else
00134     return "_khtml_JSEventListener";
00135 }
00136 
00137 Object JSEventListener::listenerObj() const
00138 {
00139   return listener;
00140 }
00141 
00142 JSLazyEventListener::JSLazyEventListener(const QString &_code, const QString &_name, const Object &_win, bool _html)
00143   : JSEventListener(Object(), 0, _win, _html),
00144     code(_code), name(_name),
00145     parsed(false)
00146 {
00147 }
00148 
00149 JSLazyEventListener::~JSLazyEventListener()
00150 {
00151   if (!listener.isNull() && listener.imp()) {
00152     static_cast<Window*>(win.imp())->jsEventListeners.remove(listener.imp());
00153   }
00154 }
00155 
00156 void JSLazyEventListener::handleEvent(DOM::Event &evt)
00157 {
00158   parseCode();
00159   if (!listener.isNull()) {
00160     JSEventListener::handleEvent(evt);
00161   }
00162 }
00163 
00164 
00165 Object JSLazyEventListener::listenerObj() const
00166 {
00167   parseCode();
00168   return listener;
00169 }
00170 
00171 void JSLazyEventListener::parseCode() const
00172 {
00173   if (!parsed) {
00174     KHTMLPart *part = ::qt_cast<KHTMLPart *>(static_cast<Window*>(win.imp())->part());
00175     KJSProxy *proxy = 0L;
00176     if (part)
00177       proxy = part->jScript();
00178 
00179     if (proxy) {
00180       KJS::ScriptInterpreter *interpreter = static_cast<KJS::ScriptInterpreter *>(proxy->interpreter());
00181       ExecState *exec = interpreter->globalExec();
00182 
00183       //KJS::Constructor constr(KJS::Global::current().get("Function").imp());
00184       KJS::Object constr = interpreter->builtinFunction();
00185       KJS::List args;
00186 
00187       static KJS::String eventString("event");
00188 
00189       args.append(eventString);
00190       args.append(KJS::String(code));
00191       listener = constr.construct(exec, args); // ### is globalExec ok ?
00192 
00193       if ( exec->hadException() ) {
00194         exec->clearException();
00195 
00196         // failed to parse, so let's just make this listener a no-op
00197         listener = Object();
00198       } else if (!listener.inherits(&DeclaredFunctionImp::info)) {
00199         listener = Object();// Error creating function
00200       } else {
00201         DeclaredFunctionImp *declFunc = static_cast<DeclaredFunctionImp*>(listener.imp());
00202         declFunc->setName(Identifier(name));
00203       }
00204     }
00205 
00206     // no more need to keep the unparsed code around
00207     code = QString();
00208 
00209     if (!listener.isNull() && listener.imp()) {
00210       static_cast<Window*>(win.imp())->jsEventListeners.insert(listener.imp(),
00211                                                                (KJS::JSEventListener *)(this));
00212     }
00213 
00214     parsed = true;
00215   }
00216 }
00217 
00218 // -------------------------------------------------------------------------
00219 
00220 const ClassInfo EventConstructor::info = { "EventConstructor", 0, &EventConstructorTable, 0 };
00221 /*
00222 @begin EventConstructorTable 3
00223   CAPTURING_PHASE   DOM::Event::CAPTURING_PHASE DontDelete|ReadOnly
00224   AT_TARGET     DOM::Event::AT_TARGET       DontDelete|ReadOnly
00225   BUBBLING_PHASE    DOM::Event::BUBBLING_PHASE  DontDelete|ReadOnly
00226 # Reverse-engineered from Netscape
00227   MOUSEDOWN     1               DontDelete|ReadOnly
00228   MOUSEUP       2               DontDelete|ReadOnly
00229   MOUSEOVER     4               DontDelete|ReadOnly
00230   MOUSEOUT      8               DontDelete|ReadOnly
00231   MOUSEMOVE     16              DontDelete|ReadOnly
00232   MOUSEDRAG     32              DontDelete|ReadOnly
00233   CLICK         64              DontDelete|ReadOnly
00234   DBLCLICK      128             DontDelete|ReadOnly
00235   KEYDOWN       256             DontDelete|ReadOnly
00236   KEYUP         512             DontDelete|ReadOnly
00237   KEYPRESS      1024                DontDelete|ReadOnly
00238   DRAGDROP      2048                DontDelete|ReadOnly
00239   FOCUS         4096                DontDelete|ReadOnly
00240   BLUR          8192                DontDelete|ReadOnly
00241   SELECT        16384               DontDelete|ReadOnly
00242   CHANGE        32768               DontDelete|ReadOnly
00243 @end
00244 */
00245 
00246 EventConstructor::EventConstructor(ExecState *exec)
00247   : DOMObject(exec->interpreter()->builtinObjectPrototype())
00248 {
00249 }
00250 
00251 Value EventConstructor::tryGet(ExecState *exec, const Identifier &p) const
00252 {
00253   return DOMObjectLookupGetValue<EventConstructor, DOMObject>(exec,p,&EventConstructorTable,this);
00254 }
00255 
00256 Value EventConstructor::getValueProperty(ExecState *, int token) const
00257 {
00258   // We use the token as the value to return directly
00259   return Number(token);
00260 }
00261 
00262 Value KJS::getEventConstructor(ExecState *exec)
00263 {
00264   return cacheGlobalObject<EventConstructor>(exec, "[[event.constructor]]");
00265 }
00266 
00267 // -------------------------------------------------------------------------
00268 
00269 const ClassInfo DOMEvent::info = { "Event", 0, &DOMEventTable, 0 };
00270 /*
00271 @begin DOMEventTable 7
00272   type      DOMEvent::Type      DontDelete|ReadOnly
00273   target    DOMEvent::Target    DontDelete|ReadOnly
00274   currentTarget DOMEvent::CurrentTarget DontDelete|ReadOnly
00275   srcElement    DOMEvent::SrcElement    DontDelete|ReadOnly
00276   eventPhase    DOMEvent::EventPhase    DontDelete|ReadOnly
00277   bubbles   DOMEvent::Bubbles   DontDelete|ReadOnly
00278   cancelable    DOMEvent::Cancelable    DontDelete|ReadOnly
00279   timeStamp DOMEvent::TimeStamp DontDelete|ReadOnly
00280   returnValue   DOMEvent::ReturnValue   DontDelete
00281   cancelBubble  DOMEvent::CancelBubble  DontDelete
00282 @end
00283 @begin DOMEventProtoTable 3
00284   stopPropagation   DOMEvent::StopPropagation   DontDelete|Function 0
00285   preventDefault    DOMEvent::PreventDefault    DontDelete|Function 0
00286   initEvent     DOMEvent::InitEvent     DontDelete|Function 3
00287 @end
00288 */
00289 DEFINE_PROTOTYPE("DOMEvent", DOMEventProto)
00290 IMPLEMENT_PROTOFUNC_DOM(DOMEventProtoFunc)
00291 IMPLEMENT_PROTOTYPE(DOMEventProto, DOMEventProtoFunc)
00292 
00293 DOMEvent::DOMEvent(ExecState *exec, DOM::Event e)
00294   : DOMObject(DOMEventProto::self(exec)), event(e) { }
00295 
00296 DOMEvent::DOMEvent(const Object &proto, DOM::Event e)
00297   : DOMObject(proto), event(e) { }
00298 
00299 DOMEvent::~DOMEvent()
00300 {
00301   ScriptInterpreter::forgetDOMObject(event.handle());
00302 }
00303 
00304 Value DOMEvent::tryGet(ExecState *exec, const Identifier &p) const
00305 {
00306 #ifdef KJS_VERBOSE
00307   kdDebug() << "KJS::DOMEvent::tryGet " << p.qstring() << endl;
00308 #endif
00309   return DOMObjectLookupGetValue<DOMEvent,DOMObject>(exec, p, &DOMEventTable, this );
00310 }
00311 
00312 Value DOMEvent::getValueProperty(ExecState *exec, int token) const
00313 {
00314   switch (token) {
00315   case Type:
00316     return String(event.type());
00317   case Target:
00318   case SrcElement: /*MSIE extension - "the object that fired the event"*/
00319     return getDOMNode(exec,event.target());
00320   case CurrentTarget:
00321     return getDOMNode(exec,event.currentTarget());
00322   case EventPhase:
00323     return Number((unsigned int)event.eventPhase());
00324   case Bubbles:
00325     return Boolean(event.bubbles());
00326   case Cancelable:
00327     return Boolean(event.cancelable());
00328   case TimeStamp:
00329     return Number((long unsigned int)event.timeStamp()); // ### long long ?
00330   case ReturnValue: // MSIE extension
00331     return Boolean(event.handle()->defaultPrevented());
00332   case CancelBubble: // MSIE extension
00333     return Boolean(event.handle()->propagationStopped());
00334   default:
00335     kdDebug(6070) << "WARNING: Unhandled token in DOMEvent::getValueProperty : " << token << endl;
00336     return Value();
00337   }
00338 }
00339 
00340 Value DOMEvent::defaultValue(ExecState *exec, KJS::Type hint) const
00341 {
00342   if (event.handle()->id() == EventImpl::ERROR_EVENT && !event.handle()->message().isNull()) {
00343     return String(event.handle()->message());
00344   }
00345   else
00346     return DOMObject::defaultValue(exec,hint);
00347 }
00348 
00349 void DOMEvent::tryPut(ExecState *exec, const Identifier &propertyName,
00350                       const Value& value, int attr)
00351 {
00352   DOMObjectLookupPut<DOMEvent, DOMObject>(exec, propertyName, value, attr,
00353                                           &DOMEventTable, this);
00354 }
00355 
00356 void DOMEvent::putValueProperty(ExecState *exec, int token, const Value& value, int)
00357 {
00358   switch (token) {
00359   case ReturnValue: // MSIE equivalent for "preventDefault" (but with a way to reset it)
00360     // returnValue=false means "default action of the event on the source object is canceled",
00361     // which means preventDefault(true). Hence the '!'.
00362     event.handle()->preventDefault(!value.toBoolean(exec));
00363     break;
00364   case CancelBubble: // MSIE equivalent for "stopPropagation" (but with a way to reset it)
00365     event.handle()->stopPropagation(value.toBoolean(exec));
00366     break;
00367   default:
00368     break;
00369   }
00370 }
00371 
00372 Value DOMEventProtoFunc::tryCall(ExecState *exec, Object & thisObj, const List &args)
00373 {
00374   KJS_CHECK_THIS( KJS::DOMEvent, thisObj );
00375   DOM::Event event = static_cast<DOMEvent *>( thisObj.imp() )->toEvent();
00376   switch (id) {
00377     case DOMEvent::StopPropagation:
00378       event.stopPropagation();
00379       return Undefined();
00380     case DOMEvent::PreventDefault:
00381       event.preventDefault();
00382       return Undefined();
00383     case DOMEvent::InitEvent:
00384       event.initEvent(args[0].toString(exec).string(),args[1].toBoolean(exec),args[2].toBoolean(exec));
00385       return Undefined();
00386   };
00387   return Undefined();
00388 }
00389 
00390 Value KJS::getDOMEvent(ExecState *exec, DOM::Event e)
00391 {
00392   DOM::EventImpl *ei = e.handle();
00393   if (!ei)
00394     return Null();
00395   ScriptInterpreter* interp = static_cast<ScriptInterpreter *>(exec->interpreter());
00396   DOMObject *ret = interp->getDOMObject(ei);
00397   if (!ret) {
00398     if (ei->isTextEvent())
00399       ret = new DOMTextEvent(exec, e);
00400     else if (ei->isMouseEvent())
00401       ret = new DOMMouseEvent(exec, e);
00402     else if (ei->isUIEvent())
00403       ret = new DOMUIEvent(exec, e);
00404     else if (ei->isMutationEvent())
00405       ret = new DOMMutationEvent(exec, e);
00406     else
00407       ret = new DOMEvent(exec, e);
00408 
00409     interp->putDOMObject(ei, ret);
00410   }
00411 
00412   return Value(ret);
00413 }
00414 
00415 DOM::Event KJS::toEvent(const Value& val)
00416 {
00417   Object obj = Object::dynamicCast(val);
00418   if (obj.isNull() || !obj.inherits(&DOMEvent::info))
00419     return DOM::Event();
00420 
00421   const DOMEvent *dobj = static_cast<const DOMEvent*>(obj.imp());
00422   return dobj->toEvent();
00423 }
00424 
00425 // -------------------------------------------------------------------------
00426 
00427 
00428 const ClassInfo EventExceptionConstructor::info = { "EventExceptionConstructor", 0, &EventExceptionConstructorTable, 0 };
00429 /*
00430 @begin EventExceptionConstructorTable 1
00431   UNSPECIFIED_EVENT_TYPE_ERR    DOM::EventException::UNSPECIFIED_EVENT_TYPE_ERR DontDelete|ReadOnly
00432 @end
00433 */
00434 EventExceptionConstructor::EventExceptionConstructor(ExecState *exec)
00435   : DOMObject(exec->interpreter()->builtinObjectPrototype())
00436 {
00437 }
00438 
00439 Value EventExceptionConstructor::tryGet(ExecState *exec, const Identifier &p) const
00440 {
00441   return DOMObjectLookupGetValue<EventExceptionConstructor, DOMObject>(exec,p,&EventExceptionConstructorTable,this);
00442 }
00443 
00444 Value EventExceptionConstructor::getValueProperty(ExecState *, int token) const
00445 {
00446   // We use the token as the value to return directly
00447   return Number(token);
00448 }
00449 
00450 Value KJS::getEventExceptionConstructor(ExecState *exec)
00451 {
00452   return cacheGlobalObject<EventExceptionConstructor>(exec, "[[eventException.constructor]]");
00453 }
00454 
00455 // -------------------------------------------------------------------------
00456 
00457 const ClassInfo DOMUIEvent::info = { "UIEvent", &DOMEvent::info, &DOMUIEventTable, 0 };
00458 /*
00459 @begin DOMUIEventTable 7
00460   view      DOMUIEvent::View    DontDelete|ReadOnly
00461   detail    DOMUIEvent::Detail  DontDelete|ReadOnly
00462   keyCode   DOMUIEvent::KeyCode DontDelete|ReadOnly
00463   charCode  DOMUIEvent::CharCode    DontDelete|ReadOnly
00464   layerX    DOMUIEvent::LayerX  DontDelete|ReadOnly
00465   layerY    DOMUIEvent::LayerY  DontDelete|ReadOnly
00466   pageX     DOMUIEvent::PageX   DontDelete|ReadOnly
00467   pageY     DOMUIEvent::PageY   DontDelete|ReadOnly
00468   which     DOMUIEvent::Which   DontDelete|ReadOnly
00469 @end
00470 @begin DOMUIEventProtoTable 1
00471   initUIEvent   DOMUIEvent::InitUIEvent DontDelete|Function 5
00472 @end
00473 */
00474 DEFINE_PROTOTYPE("DOMUIEvent",DOMUIEventProto)
00475 IMPLEMENT_PROTOFUNC_DOM(DOMUIEventProtoFunc)
00476 IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMUIEventProto,DOMUIEventProtoFunc,DOMEventProto)
00477 
00478 DOMUIEvent::DOMUIEvent(ExecState *exec, DOM::UIEvent ue) :
00479   DOMEvent(DOMUIEventProto::self(exec), ue) {}
00480 
00481 DOMUIEvent::DOMUIEvent(const Object &proto, DOM::UIEvent ue) :
00482   DOMEvent(proto, ue) {}
00483 
00484 DOMUIEvent::~DOMUIEvent()
00485 {
00486 }
00487 
00488 Value DOMUIEvent::tryGet(ExecState *exec, const Identifier &p) const
00489 {
00490   return DOMObjectLookupGetValue<DOMUIEvent,DOMEvent>(exec,p,&DOMUIEventTable,this);
00491 }
00492 
00493 Value DOMUIEvent::getValueProperty(ExecState *exec, int token) const
00494 {
00495   switch (token) {
00496   case View:
00497     return getDOMAbstractView(exec,static_cast<DOM::UIEvent>(event).view());
00498   case Detail:
00499     return Number(static_cast<DOM::UIEvent>(event).detail());
00500   case KeyCode:
00501     // IE-compatibility
00502     return Number(static_cast<DOM::UIEvent>(event).keyCode());
00503   case CharCode:
00504     // IE-compatibility
00505     return Number(static_cast<DOM::UIEvent>(event).charCode());
00506   case LayerX:
00507     // NS-compatibility
00508     return Number(static_cast<DOM::UIEvent>(event).layerX());
00509   case LayerY:
00510     // NS-compatibility
00511     return Number(static_cast<DOM::UIEvent>(event).layerY());
00512   case PageX:
00513     // NS-compatibility
00514     return Number(static_cast<DOM::UIEvent>(event).pageX());
00515   case PageY:
00516     // NS-compatibility
00517     return Number(static_cast<DOM::UIEvent>(event).pageY());
00518   case Which:
00519     // NS-compatibility
00520     return Number(static_cast<DOM::UIEvent>(event).which());
00521   default:
00522     kdDebug(6070) << "WARNING: Unhandled token in DOMUIEvent::getValueProperty : " << token << endl;
00523     return Undefined();
00524   }
00525 }
00526 
00527 Value DOMUIEventProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00528 {
00529   KJS_CHECK_THIS( KJS::DOMUIEvent, thisObj );
00530   DOM::UIEvent uiEvent = static_cast<DOMUIEvent *>(thisObj.imp())->toUIEvent();
00531   switch (id) {
00532     case DOMUIEvent::InitUIEvent: {
00533       DOM::AbstractView v = toAbstractView(args[3]);
00534       static_cast<DOM::UIEvent>(uiEvent).initUIEvent(args[0].toString(exec).string(),
00535                                                      args[1].toBoolean(exec),
00536                                                      args[2].toBoolean(exec),
00537                                                      v,
00538                                                      args[4].toInteger(exec));
00539       }
00540       return Undefined();
00541   }
00542   return Undefined();
00543 }
00544 
00545 // -------------------------------------------------------------------------
00546 
00547 const ClassInfo DOMMouseEvent::info = { "MouseEvent", &DOMUIEvent::info, &DOMMouseEventTable, 0 };
00548 
00549 /*
00550 @begin DOMMouseEventTable 2
00551   screenX   DOMMouseEvent::ScreenX  DontDelete|ReadOnly
00552   screenY   DOMMouseEvent::ScreenY  DontDelete|ReadOnly
00553   clientX   DOMMouseEvent::ClientX  DontDelete|ReadOnly
00554   x     DOMMouseEvent::X    DontDelete|ReadOnly
00555   clientY   DOMMouseEvent::ClientY  DontDelete|ReadOnly
00556   y     DOMMouseEvent::Y    DontDelete|ReadOnly
00557   offsetX   DOMMouseEvent::OffsetX  DontDelete|ReadOnly
00558   offsetY   DOMMouseEvent::OffsetY  DontDelete|ReadOnly
00559   ctrlKey   DOMMouseEvent::CtrlKey  DontDelete|ReadOnly
00560   shiftKey  DOMMouseEvent::ShiftKey DontDelete|ReadOnly
00561   altKey    DOMMouseEvent::AltKey   DontDelete|ReadOnly
00562   metaKey   DOMMouseEvent::MetaKey  DontDelete|ReadOnly
00563   button    DOMMouseEvent::Button   DontDelete|ReadOnly
00564   relatedTarget DOMMouseEvent::RelatedTarget DontDelete|ReadOnly
00565   fromElement   DOMMouseEvent::FromElement DontDelete|ReadOnly
00566   toElement DOMMouseEvent::ToElement    DontDelete|ReadOnly
00567 @end
00568 @begin DOMMouseEventProtoTable 1
00569   initMouseEvent    DOMMouseEvent::InitMouseEvent   DontDelete|Function 15
00570 @end
00571 */
00572 DEFINE_PROTOTYPE("DOMMouseEvent",DOMMouseEventProto)
00573 IMPLEMENT_PROTOFUNC_DOM(DOMMouseEventProtoFunc)
00574 IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMMouseEventProto,DOMMouseEventProtoFunc,DOMUIEventProto)
00575 
00576 DOMMouseEvent::DOMMouseEvent(ExecState *exec, DOM::MouseEvent me) :
00577   DOMUIEvent(DOMMouseEventProto::self(exec), me) {}
00578 
00579 DOMMouseEvent::~DOMMouseEvent()
00580 {
00581 }
00582 
00583 Value DOMMouseEvent::tryGet(ExecState *exec, const Identifier &p) const
00584 {
00585 #ifdef KJS_VERBOSE
00586   kdDebug(6070) << "DOMMouseEvent::tryGet " << p.qstring() << endl;
00587 #endif
00588   return DOMObjectLookupGetValue<DOMMouseEvent,DOMUIEvent>(exec,p,&DOMMouseEventTable,this);
00589 }
00590 
00591 Value DOMMouseEvent::getValueProperty(ExecState *exec, int token) const
00592 {
00593   switch (token) {
00594   case ScreenX:
00595     return Number(static_cast<DOM::MouseEvent>(event).screenX());
00596   case ScreenY:
00597     return Number(static_cast<DOM::MouseEvent>(event).screenY());
00598   case ClientX:
00599   case X:
00600     return Number(static_cast<DOM::MouseEvent>(event).clientX());
00601   case ClientY:
00602   case Y:
00603     return Number(static_cast<DOM::MouseEvent>(event).clientY());
00604   case OffsetX:
00605   case OffsetY: // MSIE extension
00606   {
00607     DOM::Node node = event.target();
00608     node.handle()->getDocument()->updateRendering();
00609     khtml::RenderObject *rend = node.handle() ? node.handle()->renderer() : 0L;
00610     int x = static_cast<DOM::MouseEvent>(event).clientX();
00611     int y = static_cast<DOM::MouseEvent>(event).clientY();
00612     if ( rend ) {
00613       int xPos, yPos;
00614       if ( rend->absolutePosition( xPos, yPos ) ) {
00615         kdDebug() << "DOMMouseEvent::getValueProperty rend=" << rend << "  xPos=" << xPos << "  yPos=" << yPos << endl;
00616         x -= xPos;
00617         y -= yPos;
00618       }
00619       if ( rend->canvas() ) {
00620         int cYPos, cXPos;
00621         rend->canvas()->absolutePosition( cXPos,  cYPos,  true );
00622         x += cXPos;
00623         y += cYPos;
00624       }
00625     }
00626     return Number( token == OffsetX ? x : y );
00627   }
00628   case CtrlKey:
00629     return Boolean(static_cast<DOM::MouseEvent>(event).ctrlKey());
00630   case ShiftKey:
00631     return Boolean(static_cast<DOM::MouseEvent>(event).shiftKey());
00632   case AltKey:
00633     return Boolean(static_cast<DOM::MouseEvent>(event).altKey());
00634   case MetaKey:
00635     return Boolean(static_cast<DOM::MouseEvent>(event).metaKey());
00636   case Button:
00637   {
00638     // Tricky. The DOM (and khtml) use 0 for LMB, 1 for MMB and 2 for RMB
00639     // but MSIE uses 1=LMB, 2=RMB, 4=MMB, as a bitfield
00640     int domButton = static_cast<DOM::MouseEvent>(event).button();
00641     int button = domButton==0 ? 1 : domButton==1 ? 4 : domButton==2 ? 2 : 0;
00642     return Number( (unsigned int)button );
00643   }
00644   case ToElement:
00645     // MSIE extension - "the object toward which the user is moving the mouse pointer"
00646     if (event.handle()->id() == DOM::EventImpl::MOUSEOUT_EVENT)
00647       return getDOMNode(exec,static_cast<DOM::MouseEvent>(event).relatedTarget());
00648     return getDOMNode(exec,static_cast<DOM::MouseEvent>(event).target());
00649   case FromElement:
00650     // MSIE extension - "object from which activation
00651     // or the mouse pointer is exiting during the event" (huh?)
00652     if (event.handle()->id() == DOM::EventImpl::MOUSEOUT_EVENT)
00653       return getDOMNode(exec,static_cast<DOM::MouseEvent>(event).target());
00654     /* fall through */
00655   case RelatedTarget:
00656     return getDOMNode(exec,static_cast<DOM::MouseEvent>(event).relatedTarget());
00657   default:
00658     kdDebug(6070) << "WARNING: Unhandled token in DOMMouseEvent::getValueProperty : " << token << endl;
00659     return Value();
00660   }
00661 }
00662 
00663 Value DOMMouseEventProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00664 {
00665   KJS_CHECK_THIS( KJS::DOMMouseEvent, thisObj );
00666   DOM::MouseEvent mouseEvent = static_cast<DOMMouseEvent *>(thisObj.imp())->toMouseEvent();
00667   switch (id) {
00668     case DOMMouseEvent::InitMouseEvent:
00669       mouseEvent.initMouseEvent(args[0].toString(exec).string(), // typeArg
00670                                 args[1].toBoolean(exec), // canBubbleArg
00671                                 args[2].toBoolean(exec), // cancelableArg
00672                                 toAbstractView(args[3]), // viewArg
00673                                 args[4].toInteger(exec), // detailArg
00674                                 args[5].toInteger(exec), // screenXArg
00675                                 args[6].toInteger(exec), // screenYArg
00676                                 args[7].toInteger(exec), // clientXArg
00677                                 args[8].toInteger(exec), // clientYArg
00678                                 args[9].toBoolean(exec), // ctrlKeyArg
00679                                 args[10].toBoolean(exec), // altKeyArg
00680                                 args[11].toBoolean(exec), // shiftKeyArg
00681                                 args[12].toBoolean(exec), // metaKeyArg
00682                                 args[13].toInteger(exec), // buttonArg
00683                                 toNode(args[14])); // relatedTargetArg
00684       return Undefined();
00685   }
00686   return Undefined();
00687 }
00688 
00689 // -------------------------------------------------------------------------
00690 
00691 const ClassInfo DOMTextEvent::info = { "TextEvent", &DOMUIEvent::info, &DOMTextEventTable, 0 };
00692 
00693 /*
00694 @begin DOMTextEventTable 2
00695   keyVal     DOMTextEvent::Key       DontDelete|ReadOnly
00696   virtKeyVal     DOMTextEvent::VirtKey        DontDelete|ReadOnly
00697   outputString   DOMTextEvent::OutputString   DontDelete|ReadOnly
00698   inputGenerated DOMTextEvent::InputGenerated DontDelete|ReadOnly
00699   numPad         DOMTextEvent::NumPad         DontDelete|ReadOnly
00700 @end
00701 @begin DOMTextEventProtoTable 1
00702   initTextEvent DOMTextEvent::InitTextEvent DontDelete|Function 10
00703   # Missing: initTextEventNS, initModifier
00704 @end
00705 */
00706 DEFINE_PROTOTYPE("DOMTextEvent",DOMTextEventProto)
00707 IMPLEMENT_PROTOFUNC_DOM(DOMTextEventProtoFunc)
00708 IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMTextEventProto,DOMTextEventProtoFunc,DOMUIEventProto)
00709 
00710 DOMTextEvent::DOMTextEvent(ExecState *exec, DOM::TextEvent ke) :
00711   DOMUIEvent(DOMTextEventProto::self(exec), ke) {}
00712 
00713 DOMTextEvent::~DOMTextEvent()
00714 {
00715 }
00716 
00717 Value DOMTextEvent::tryGet(ExecState *exec, const Identifier &p) const
00718 {
00719 #ifdef KJS_VERBOSE
00720   kdDebug(6070) << "DOMTextEvent::tryGet " << p.qstring() << endl;
00721 #endif
00722   return DOMObjectLookupGetValue<DOMTextEvent,DOMUIEvent>(exec,p,&DOMTextEventTable,this);
00723 }
00724 
00725 Value DOMTextEvent::getValueProperty(ExecState *, int token) const
00726 {
00727   switch (token) {
00728   case Key:
00729     return Number(static_cast<DOM::TextEvent>(event).keyVal());
00730   case VirtKey:
00731     return Number(static_cast<DOM::TextEvent>(event).virtKeyVal());
00732   case OutputString:
00733     return String(static_cast<DOM::TextEvent>(event).outputString());
00734   case InputGenerated:
00735     return Boolean(static_cast<DOM::TextEvent>(event).inputGenerated());
00736   case NumPad:
00737     return Boolean(static_cast<DOM::TextEvent>(event).numPad());
00738   default:
00739     kdDebug(6070) << "WARNING: Unhandled token in DOMTextEvent::getValueProperty : " << token << endl;
00740     return Value();
00741   }
00742 }
00743 
00744 Value DOMTextEventProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00745 {
00746   KJS_CHECK_THIS( KJS::DOMTextEvent, thisObj );
00747   DOM::TextEvent keyEvent = static_cast<DOMTextEvent *>(thisObj.imp())->toTextEvent();
00748   switch (id) {
00749     case DOMTextEvent::InitTextEvent:
00750       keyEvent.initTextEvent(args[0].toString(exec).string(), // typeArg
00751                             args[1].toBoolean(exec), // canBubbleArg
00752                             args[2].toBoolean(exec), // cancelableArg
00753                             toAbstractView(args[3]), // viewArg
00754                             args[4].toInteger(exec), // detailArg
00755                             args[5].toString(exec).string(),  // outputStringArg
00756                             args[6].toInteger(exec), // keyValArg
00757                             args[7].toInteger(exec), // virtKeyValArg
00758                             args[8].toBoolean(exec), // inputGeneratedArg
00759                             args[9].toBoolean(exec));// numPadArg
00760 
00761       return Undefined();
00762   }
00763   return Undefined();
00764 }
00765 
00766 // -------------------------------------------------------------------------
00767 
00768 const ClassInfo MutationEventConstructor::info = { "MutationEventConstructor", 0, &MutationEventConstructorTable, 0 };
00769 /*
00770 @begin MutationEventConstructorTable 3
00771   MODIFICATION  DOM::MutationEvent::MODIFICATION    DontDelete|ReadOnly
00772   ADDITION  DOM::MutationEvent::ADDITION        DontDelete|ReadOnly
00773   REMOVAL   DOM::MutationEvent::REMOVAL     DontDelete|ReadOnly
00774 @end
00775 */
00776 MutationEventConstructor::MutationEventConstructor(ExecState* exec)
00777   : DOMObject(exec->interpreter()->builtinObjectPrototype())
00778 {
00779 }
00780 
00781 Value MutationEventConstructor::tryGet(ExecState *exec, const Identifier &p) const
00782 {
00783   return DOMObjectLookupGetValue<MutationEventConstructor,DOMObject>(exec,p,&MutationEventConstructorTable,this);
00784 }
00785 
00786 Value MutationEventConstructor::getValueProperty(ExecState *, int token) const
00787 {
00788   // We use the token as the value to return directly
00789   return Number(token);
00790 }
00791 
00792 Value KJS::getMutationEventConstructor(ExecState *exec)
00793 {
00794   return cacheGlobalObject<MutationEventConstructor>(exec, "[[mutationEvent.constructor]]");
00795 }
00796 
00797 // -------------------------------------------------------------------------
00798 
00799 const ClassInfo DOMMutationEvent::info = { "MutationEvent", &DOMEvent::info, &DOMMutationEventTable, 0 };
00800 /*
00801 @begin DOMMutationEventTable 5
00802   relatedNode   DOMMutationEvent::RelatedNode   DontDelete|ReadOnly
00803   prevValue DOMMutationEvent::PrevValue DontDelete|ReadOnly
00804   newValue  DOMMutationEvent::NewValue  DontDelete|ReadOnly
00805   attrName  DOMMutationEvent::AttrName  DontDelete|ReadOnly
00806   attrChange    DOMMutationEvent::AttrChange    DontDelete|ReadOnly
00807 @end
00808 @begin DOMMutationEventProtoTable 1
00809   initMutationEvent DOMMutationEvent::InitMutationEvent DontDelete|Function 8
00810 @end
00811 */
00812 DEFINE_PROTOTYPE("DOMMutationEvent",DOMMutationEventProto)
00813 IMPLEMENT_PROTOFUNC_DOM(DOMMutationEventProtoFunc)
00814 IMPLEMENT_PROTOTYPE_WITH_PARENT(DOMMutationEventProto,DOMMutationEventProtoFunc,DOMEventProto)
00815 
00816 DOMMutationEvent::DOMMutationEvent(ExecState *exec, DOM::MutationEvent me) :
00817   DOMEvent(DOMMutationEventProto::self(exec), me) {}
00818 
00819 DOMMutationEvent::~DOMMutationEvent()
00820 {
00821 }
00822 
00823 Value DOMMutationEvent::tryGet(ExecState *exec, const Identifier &p) const
00824 {
00825   return DOMObjectLookupGetValue<DOMMutationEvent,DOMEvent>(exec,p,&DOMMutationEventTable,this);
00826 }
00827 
00828 Value DOMMutationEvent::getValueProperty(ExecState *exec, int token) const
00829 {
00830   switch (token) {
00831   case RelatedNode:
00832     return getDOMNode(exec,static_cast<DOM::MutationEvent>(event).relatedNode());
00833   case PrevValue:
00834     return String(static_cast<DOM::MutationEvent>(event).prevValue());
00835   case NewValue:
00836     return String(static_cast<DOM::MutationEvent>(event).newValue());
00837   case AttrName:
00838     return String(static_cast<DOM::MutationEvent>(event).attrName());
00839   case AttrChange:
00840     return Number((unsigned int)static_cast<DOM::MutationEvent>(event).attrChange());
00841   default:
00842     kdDebug(6070) << "WARNING: Unhandled token in DOMMutationEvent::getValueProperty : " << token << endl;
00843     return Value();
00844   }
00845 }
00846 
00847 Value DOMMutationEventProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00848 {
00849   KJS_CHECK_THIS( KJS::DOMMutationEvent, thisObj );
00850   DOM::MutationEvent mutationEvent = static_cast<DOMMutationEvent *>(thisObj.imp())->toMutationEvent();
00851   switch (id) {
00852     case DOMMutationEvent::InitMutationEvent:
00853       mutationEvent.initMutationEvent(args[0].toString(exec).string(), // typeArg,
00854                                       args[1].toBoolean(exec), // canBubbleArg
00855                                       args[2].toBoolean(exec), // cancelableArg
00856                                       toNode(args[3]), // relatedNodeArg
00857                                       args[4].toString(exec).string(), // prevValueArg
00858                                       args[5].toString(exec).string(), // newValueArg
00859                                       args[6].toString(exec).string(), // attrNameArg
00860                                       args[7].toInteger(exec)); // attrChangeArg
00861       return Undefined();
00862   }
00863   return Undefined();
00864 }
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This file is part of the documentation for khtml Library Version 3.4.0.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Wed May 4 06:56:40 2005 by doxygen 1.4.2 written by Dimitri van Heesch, © 1997-2003