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tdegraphics/ksvg/ecma/ksvg_window.cpp

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/* This file is part of the KDE project
Copyright (C) 2002 David Faure <faure@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2, as published by the Free Software Foundation.
This program 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 program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "ksvg_window.moc"
#include "ksvg_lookup.h"
#include "ksvg_ecma.h"
#include "ksvg_bridge.h"
#include "ksvg_scriptinterpreter.h"
#include <SVGEventImpl.h>
#include <SVGDocumentImpl.h>
#include <KSVGCanvas.h>
#include <SVGWindowImpl.h>
// for js constants
#include <SVGTransformImpl.h>
#include <SVGLengthImpl.h>
#include <SVGAngleImpl.h>
#include <SVGColorImpl.h>
#include <SVGPreserveAspectRatioImpl.h>
#include <SVGTextContentElementImpl.h>
#include <SVGPathSegImpl.h>
#include <SVGGradientElementImpl.h>
#include <SVGMarkerElementImpl.h>
#include <SVGTextPathElementImpl.h>
#include <SVGPaintImpl.h>
#include <SVGZoomAndPanImpl.h>
#include <kparts/part.h>
#include <assert.h>
#include <kdebug.h>
#include <tqstylesheet.h>
#include <kmessagebox.h>
#include <klocale.h>
#include <kinputdialog.h>
using namespace KSVG;
#include "ksvg_window.lut.h"
// Spec on http://www.protocol7.com/svg-wiki/ow.asp?AdobeSVGViewerWindow
/*
@namespace KSVG
@begin KSVG::Window::s_hashTable 34
closed KSVG::Window::_Closed DontDelete|ReadOnly
window KSVG::Window::_Window DontDelete|ReadOnly
evt KSVG::Window::_Evt DontDelete|ReadOnly
document KSVG::Window::_Document DontDelete|ReadOnly
svgDocument KSVG::Window::_Document DontDelete|ReadOnly
innerWidth KSVG::Window::_InnerWidth DontDelete|ReadOnly
innerHeight KSVG::Window::_InnerHeight DontDelete|ReadOnly
setTimeout KSVG::Window::_SetTimeout DontDelete|Function 2
clearTimeout KSVG::Window::_ClearTimeout DontDelete|Function 1
setInterval KSVG::Window::_SetInterval DontDelete|Function 2
clearInterval KSVG::Window::_ClearInterval DontDelete|Function 1
navigator KSVG::Window::_Navigator DontDelete|ReadOnly
printNode KSVG::Window::_PrintNode DontDelete|Function 1
# todo navigator, status/defaultstatus, like in KJS::Window (khtml)
# todo close
# todo instancename
# todo setsrc, getsrc, reload, focus, blur, browsereval, findinstancebyname
# "Constructors" (usually repositories for constants)
SVGTransform KSVG::Window::_SVGTransform DontDelete|ReadOnly
SVGLength KSVG::Window::_SVGLength DontDelete|ReadOnly
SVGAngle KSVG::Window::_SVGAngle DontDelete|ReadOnly
SVGPreserveAspectRatio KSVG::Window::_SVGPreserveAspectRatio DontDelete|ReadOnly
SVGPathSeg KSVG::Window::_SVGPathSeg DontDelete|ReadOnly
SVGGradientElement KSVG::Window::_SVGGradientElement DontDelete|ReadOnly
SVGMarkerElement KSVG::Window::_SVGMarkerElement DontDelete|ReadOnly
SVGTextPathElement KSVG::Window::_SVGTextPathElement DontDelete|ReadOnly
SVGPaint KSVG::Window::_SVGPaint DontDelete|ReadOnly
SVGTextContentElement KSVG::Window::_SVGTextContentElement DontDelete|ReadOnly
SVGZoomAndPan KSVG::Window::_SVGZoomAndPan DontDelete|ReadOnly
SVGColor KSVG::Window::_SVGColor DontDelete|ReadOnly
# Functions
alert KSVG::Window::_Alert DontDelete|Function 1
prompt KSVG::Window::_Prompt DontDelete|Function 2
confirm KSVG::Window::_Confirm DontDelete|Function 1
debug KSVG::Window::_Debug DontDelete|Function 1
success KSVG::Window::_Success DontDelete|Function 1
getSVGViewerVersion KSVG::Window::_GetSVGViewerVersion DontDelete|Function 0
getURL KSVG::Window::_GetURL DontDelete|Function 2
postURL KSVG::Window::_PostURL DontDelete|Function 5
parseXML KSVG::Window::_ParseXML DontDelete|Function 1
@end
*/
KSVG_IMPLEMENT_PROTOFUNC(WindowFunc, Window)
const ClassInfo KSVG::Window::s_classInfo = { "Window", 0, &s_hashTable, 0 };
KSVG::Window::Window(KSVG::SVGDocumentImpl *p) : ObjectImp(), m_doc(p)
{
winq = new WindowQObject(this);
}
KSVG::Window::~Window()
{
delete winq;
}
KSVG::Window *KSVG::Window::retrieveActive(ExecState *exec)
{
ValueImp *imp = exec->interpreter()->globalObject().imp();
assert(imp);
return static_cast<KSVG::Window*>(imp);
}
bool KSVG::Window::hasProperty(ExecState *, const Identifier &) const
{
return true; // See KJS::KSVG::Window::hasProperty
}
Value KSVG::Window::get(ExecState *exec, const Identifier &p) const
{
kdDebug(26004) << "KSVG::Window (" << this << ")::get " << p.qstring() << endl;
if(p == "closed")
return Boolean(m_doc.isNull());
// we don't want any operations on a closed window
if(m_doc.isNull())
return Undefined();
// Look for overrides first
Value val = ObjectImp::get(exec, p);
if(!val.isA(UndefinedType))
return isSafeScript(exec) ? val : Undefined();
// Not the right way in the long run. Should use retrieve(m_doc)...
KSVGScriptInterpreter* interpreter = static_cast<KSVGScriptInterpreter *>(exec->interpreter());
const HashEntry *entry = Lookup::findEntry(&KSVG::Window::s_hashTable, p);
if(entry)
{
switch(entry->value)
{
case _Document:
// special case, KSVGEcma::setup created it, so we don't need to do it
return Value(interpreter->getDOMObject(m_doc->handle()));
case _Window:
return Value(const_cast<Window *>(this));
case _Evt:
{
KSVG::SVGEventImpl *evt = interpreter->currentEvent();
if(evt)
return getDOMEvent(exec, evt);
else
return Undefined();
}
case _InnerWidth:
return Number(m_doc->canvas()->width());
case _InnerHeight:
return Number(m_doc->canvas()->height());
case _SetTimeout:
case _ClearTimeout:
case _SetInterval:
case _ClearInterval:
case _PrintNode:
{
if(isSafeScript(exec))
return lookupOrCreateFunction<WindowFunc>(exec, p, this, entry->value, entry->params, entry->attr);
else
return Undefined();
}
case _Alert:
case _Confirm:
case _Debug:
case _Success:
case _GetSVGViewerVersion:
case _GetURL:
case _PostURL:
case _ParseXML:
case _Prompt:
return lookupOrCreateFunction<WindowFunc>(exec, p, this, entry->value, entry->params, entry->attr);
case _SVGTransform:
return getSVGTransformImplConstructor(exec);
case _SVGLength:
return getSVGLengthImplConstructor(exec);
case _SVGAngle:
return getSVGAngleImplConstructor(exec);
case _SVGColor:
return getSVGColorImplConstructor(exec);
case _SVGPreserveAspectRatio:
return getSVGPreserveAspectRatioImplConstructor(exec);
case _SVGPathSeg:
return getSVGPathSegImplConstructor(exec);
case _SVGGradientElement:
return getSVGGradientElementImplConstructor(exec);
case _SVGMarkerElement:
return getSVGMarkerElementImplConstructor(exec);
case _SVGTextPathElement:
return getSVGTextPathElementImplConstructor(exec);
case _SVGPaint:
return getSVGPaintImplConstructor(exec);
case _SVGTextContentElement:
return getSVGTextContentElementImplConstructor(exec);
case _SVGZoomAndPan:
return getSVGZoomAndPanImplConstructor(exec);
}
}
// This isn't necessarily a bug. Some code uses if(!window.blah) window.blah=1
// But it can also mean something isn't loaded or implemented...
kdDebug(26004) << "KSVG::Window::get property not found: " << p.qstring() << endl;
return Undefined();
}
void KSVG::Window::put(ExecState* exec, const Identifier &propertyName, const Value &value, int attr)
{
// Called by an internal KJS call (e.g. InterpreterImp's constructor) ?
// If yes, save time and jump directly to ObjectImp.
if((attr != None && attr != DontDelete)
// Same thing if we have a local override (e.g. "var location")
|| (ObjectImp::getDirect(propertyName) && isSafeScript(exec)))
{
ObjectImp::put( exec, propertyName, value, attr );
return;
}
const HashEntry *entry = Lookup::findEntry(&KSVG::Window::s_hashTable, propertyName);
if(entry)
{
#ifdef KJS_VERBOSE
kdDebug(26004) << "Window(" << this << ")::put " << propertyName.qstring() << endl;
#endif
//switch(entry->value)
//{
// ...
//}
}
if(isSafeScript(exec))
ObjectImp::put(exec, propertyName, value, attr);
}
bool KSVG::Window::isSafeScript(ExecState *exec) const
{
if(m_doc.isNull()) // part deleted ? can't grant access
{
kdDebug(26004) << "KSVG::Window::isSafeScript: accessing deleted part !" << endl;
return false;
}
KSVG::SVGDocumentImpl *activePart = static_cast<KSVGScriptInterpreter *>(exec->interpreter())->document();
if(!activePart)
{
kdDebug(26004) << "KSVG::Window::isSafeScript: current interpreter's part is 0L!" << endl;
return false;
}
if(activePart == m_doc) // Not calling from another frame, no problem.
return true;
return false;
}
void KSVG::Window::clear(ExecState *exec)
{
kdDebug(26004) << "KSVG::Window::clear " << this << endl;
delete winq;
winq = new WindowQObject(this);;
// Get rid of everything, those user vars could hold references to DOM nodes
deleteAllProperties(exec);
// Really delete those properties, so that the DOM nodes get deref'ed
// KJS::Collector::collect();
// Now recreate a working global object for the next URL that will use us
Interpreter *interpreter = exec->interpreter();
interpreter->initGlobalObject();
}
Value WindowFunc::call(ExecState *exec, Object &thisObj, const List &args)
{
if(!thisObj.inherits(&KSVG::Window::s_classInfo))
{
Object err = Error::create(exec, TypeError);
exec->setException(err);
return err;
}
Window *window = static_cast<Window *>(thisObj.imp());
Value v = args[0];
UString s = v.toString(exec);
TQString str = s.qstring();
switch(id)
{
case KSVG::Window::_Alert:
SVGWindowImpl::alert(DOM::DOMString(str), "Javascript");
return Undefined();
case KSVG::Window::_Confirm:
return Boolean(SVGWindowImpl::confirm(DOM::DOMString(str), "Javascript"));
case KSVG::Window::_Debug:
kdDebug(26004) << "[Debug] " << str << endl;
return Undefined();
case KSVG::Window::_Success:
//if(args[0].toString(exec) == "success") // ? Did you really mean that ?
return Number(1);
//return Undefined();
case KSVG::Window::_GetSVGViewerVersion:
return String("0.1"); // I cant really find a central place for the version nr, so... (Rob)
case KSVG::Window::_ClearTimeout:
case KSVG::Window::_ClearInterval:
(const_cast<Window *>(window))->clearTimeout(v.toInt32(exec));
return Undefined();
case KSVG::Window::_PrintNode:
return String(const_cast<Window *>(window)->doc()->window()->printNode(toNode(args[0])));
case KSVG::Window::_GetURL:
{
KURL url((const_cast<Window *>(window))->doc()->baseUrl(), args[0].toString(exec).qstring());
Value asynctqStatus = (const_cast<Window *>(window))->doc()->ecmaEngine()->getUrl(exec, url);
Object callBackFunction = Object::dynamicCast(args[1]);
List callBackArgs;
callBackArgs.append(asynctqStatus);
callBackFunction.call(exec, callBackFunction, callBackArgs);
return Undefined();
}
case KSVG::Window::_PostURL:
{
KURL url((const_cast<Window *>(window))->doc()->baseUrl(), args[0].toString(exec).qstring());
TQString data = args[1].toString(exec).qstring();
TQString mimeType = args[3].toString(exec).qstring();
TQString contentEncoding = args[4].toString(exec).qstring();
Object callBackFunction = Object::dynamicCast(args[2]);
(const_cast<Window *>(window))->doc()->ecmaEngine()->postUrl(exec, url, data, mimeType, contentEncoding, callBackFunction);
return Undefined();
};
case KSVG::Window::_ParseXML:
{
SVGDocumentImpl *doc = new SVGDocumentImpl();
doc->ref();
doc->attach(0);
// So we can find it later...
(const_cast<Window *>(window))->doc()->addToDocumentDict(doc->handle(), doc);
// Also add the current doc to the new doc!
SVGDocumentImpl *curDoc = (const_cast<Window *>(window))->doc();
doc->addToDocumentDict(curDoc->handle(), curDoc);
TQXmlInputSource *svgFragment = new TQXmlInputSource();
svgFragment->setData(args[0].toString(exec).qstring());
doc->parseSVG(svgFragment, true);
DOM::DocumentFragment fragment = doc->createDocumentFragment();
DOM::Node node = doc->firstChild();
for(; !node.isNull(); node = node.nextSibling())
fragment.appendChild(node);
// fragment = *doc; // Should copy the nodes into here...
return (new SVGDOMDocumentFragmentBridge(fragment))->cache(exec);
}
case KSVG::Window::_Prompt:
{
// mop: from khtml. do we need that?
// part->xmlDocImpl()->updateRendering();
bool ok;
TQString str2;
if (args.size() >= 2)
str2 = KInputDialog::getText(i18n("Prompt"),
TQStyleSheet::convertFromPlainText(str),
args[1].toString(exec).qstring(), &ok);
else
str2 = KInputDialog::getText(i18n("Prompt"),
TQStyleSheet::convertFromPlainText(str),
TQString(), &ok);
if ( ok )
return String(str2);
else
return Null();
}
case KSVG::Window::_SetInterval:
if(args.size() >= 2 && v.isA(StringType))
{
int i = args[1].toInt32(exec);
int r = (const_cast<Window *>(window))->installTimeout(s, i, false);
return Number(r);
}
else if(args.size() >= 2 && !Object::dynamicCast(v).isNull() && Object::dynamicCast(v).implementsCall())
{
Value func = args[0];
int i = args[1].toInt32(exec);
int r = (const_cast<Window *>(window))->installTimeout(s, i, false);
return Number(r);
}
else
return Undefined();
case KSVG::Window::_SetTimeout:
if (args.size() == 2 && v.isA(StringType))
{
int i = args[1].toInt32(exec);
int r = (const_cast<Window *>(window))->installTimeout(s, i, true /*single shot*/);
return Number(r);
}
else if(args.size() >= 2 && v.isA(ObjectType) && Object::dynamicCast(v).implementsCall())
{
Value func = args[0];
int i = args[1].toInt32(exec);
int r = (const_cast<Window *>(window))->installTimeout(s, i, false);
return Number(r);
}
else
return Undefined();
}
return Undefined();
}
int KSVG::Window::installTimeout(const UString &handler, int t, bool singleShot)
{
return winq->installTimeout(handler, t, singleShot);
}
void KSVG::Window::clearTimeout(int timerId)
{
winq->clearTimeout(timerId);
}
////////////////////// ScheduledAction ////////////////////////
ScheduledAction::ScheduledAction(Object _func, List _args, bool _singleShot)
{
func = _func;
args = _args;
isFunction = true;
singleShot = _singleShot;
}
ScheduledAction::ScheduledAction(TQString _code, bool _singleShot)
{
code = _code;
isFunction = false;
singleShot = _singleShot;
}
ScheduledAction::~ScheduledAction()
{
}
void ScheduledAction::execute(Window *window)
{
Q_ASSERT(window->doc());
KSVGScriptInterpreter *interpreter = window->doc()->ecmaEngine()->interpreter();
if(isFunction)
{
if(func.implementsCall())
{
ExecState *exec = interpreter->globalExec();
Q_ASSERT(window == interpreter->globalObject().imp());
Object obj(window);
func.call(exec, obj, args); // note that call() creates its own execution state for the func call
}
}
else
{
interpreter->evaluate(code);
window->doc()->rerender();
}
}
////////////////////// WindowQObject ////////////////////////
WindowQObject::WindowQObject(Window *w) : tqparent(w)
{
}
WindowQObject::~WindowQObject()
{
parentDestroyed(); // reuse same code
}
void WindowQObject::parentDestroyed()
{
killTimers();
TQMapIterator<int, ScheduledAction *> it;
for(it = scheduledActions.begin(); it != scheduledActions.end(); ++it)
{
ScheduledAction *action = *it;
delete action;
}
scheduledActions.clear();
}
int WindowQObject::installTimeout(const UString &handler, int t, bool singleShot)
{
int id = startTimer(t);
ScheduledAction *action = new ScheduledAction(handler.qstring(), singleShot);
scheduledActions.insert(id, action);
return id;
}
int WindowQObject::installTimeout(const Value &func, List args, int t, bool singleShot)
{
Object objFunc = Object::dynamicCast(func);
int id = startTimer(t);
scheduledActions.insert(id, new ScheduledAction(objFunc, args, singleShot));
return id;
}
void WindowQObject::clearTimeout(int timerId, bool delAction)
{
killTimer(timerId);
if(delAction)
{
TQMapIterator<int, ScheduledAction *> it = scheduledActions.tqfind(timerId);
if(it != scheduledActions.end())
{
ScheduledAction *action = *it;
scheduledActions.remove(it);
delete action;
}
}
}
void WindowQObject::timerEvent(TQTimerEvent *e)
{
TQMapIterator<int, ScheduledAction *> it = scheduledActions.tqfind(e->timerId());
if(it != scheduledActions.end())
{
ScheduledAction *action = *it;
bool singleShot = action->singleShot;
// remove single shots installed by setTimeout()
if(singleShot)
{
clearTimeout(e->timerId(), false);
scheduledActions.remove(it);
}
if(tqparent->doc())
action->execute(tqparent);
// It is important to test singleShot and not action->singleShot here - the
// action could have been deleted already if not single shot and if the
// JS code called by execute() calls clearTimeout().
if(singleShot)
delete action;
}
else
kdWarning(6070) << "WindowQObject::timerEvent this=" << this << " timer " << e->timerId() << " not found (" << scheduledActions.count() << " actions in map)" << endl;
}
void WindowQObject::timeoutClose()
{
}