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tdelibs/tdehtml/rendering/render_frames.cpp

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/**
* This file is part of the KDE project.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* (C) 2000 Stefan Schimanski (1Stein@gmx.de)
* (C) 2003 Apple Computer, Inc.
* (C) 2005 Niels Leenheer <niels.leenheer@gmail.com>
*
* 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.
*
*/
//#define DEBUG_LAYOUT
#include "rendering/render_frames.h"
#include "rendering/render_canvas.h"
#include "html/html_baseimpl.h"
#include "html/html_objectimpl.h"
#include "html/htmltokenizer.h"
#include "misc/htmlattrs.h"
#include "xml/dom2_eventsimpl.h"
#include "xml/dom_docimpl.h"
#include "misc/htmltags.h"
#include "tdehtmlview.h"
#include "tdehtml_part.h"
#include "misc/knsplugininstaller.h"
#include <kapplication.h>
#include <kmessagebox.h>
#include <kmimetype.h>
#include <klocale.h>
#include <kdebug.h>
#include <tqtimer.h>
#include <tqpainter.h>
#include <tqcursor.h>
#include <assert.h>
using namespace tdehtml;
using namespace DOM;
RenderFrameSet::RenderFrameSet( HTMLFrameSetElementImpl *frameSet)
: RenderBox(frameSet)
{
// init RenderObject attributes
setInline(false);
for (int k = 0; k < 2; ++k) {
m_gridLen[k] = -1;
m_gridDelta[k] = 0;
m_gridLayout[k] = 0;
}
m_resizing = m_clientresizing= false;
m_cursor = Qt::ArrowCursor;
m_hSplit = -1;
m_vSplit = -1;
m_hSplitVar = 0;
m_vSplitVar = 0;
}
RenderFrameSet::~RenderFrameSet()
{
for (int k = 0; k < 2; ++k) {
delete [] m_gridLayout[k];
delete [] m_gridDelta[k];
}
delete [] m_hSplitVar;
delete [] m_vSplitVar;
}
bool RenderFrameSet::nodeAtPoint(NodeInfo& info, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction, bool inBox)
{
RenderBox::nodeAtPoint(info, _x, _y, _tx, _ty, hitTestAction, inBox);
bool inside = m_resizing || canResize(_x, _y);
if ( inside && element() && !element()->noResize() && !info.readonly()) {
info.setInnerNode(element());
info.setInnerNonSharedNode(element());
}
return inside || m_clientresizing;
}
void RenderFrameSet::layout( )
{
TDEHTMLAssert( needsLayout() );
TDEHTMLAssert( minMaxKnown() );
if ( !parent()->isFrameSet() ) {
TDEHTMLView* view = canvas()->view();
m_width = view ? view->visibleWidth() : 0;
m_height = view ? view->visibleHeight() : 0;
}
#ifdef DEBUG_LAYOUT
kdDebug( 6040 ) << renderName() << "(FrameSet)::layout( ) width=" << width() << ", height=" << height() << endl;
#endif
int remainingLen[2];
remainingLen[1] = m_width - (element()->totalCols()-1)*element()->border();
if(remainingLen[1]<0) remainingLen[1]=0;
remainingLen[0] = m_height - (element()->totalRows()-1)*element()->border();
if(remainingLen[0]<0) remainingLen[0]=0;
int availableLen[2];
availableLen[0] = remainingLen[0];
availableLen[1] = remainingLen[1];
if (m_gridLen[0] != element()->totalRows() || m_gridLen[1] != element()->totalCols()) {
// number of rows or cols changed
// need to zero out the deltas
m_gridLen[0] = element()->totalRows();
m_gridLen[1] = element()->totalCols();
for (int k = 0; k < 2; ++k) {
delete [] m_gridDelta[k];
m_gridDelta[k] = new int[m_gridLen[k]];
delete [] m_gridLayout[k];
m_gridLayout[k] = new int[m_gridLen[k]];
for (int i = 0; i < m_gridLen[k]; ++i)
m_gridDelta[k][i] = 0;
}
}
for (int k = 0; k < 2; ++k) {
int totalRelative = 0;
int totalFixed = 0;
int totalPercent = 0;
int countRelative = 0;
int countFixed = 0;
int countPercent = 0;
int gridLen = m_gridLen[k];
int* gridDelta = m_gridDelta[k];
tdehtml::Length* grid = k ? element()->m_cols : element()->m_rows;
int* gridLayout = m_gridLayout[k];
if (grid) {
// First we need to investigate how many columns of each type we have and
// how much space these columns are going to require.
for (int i = 0; i < gridLen; ++i) {
// Count the total length of all of the fixed columns/rows -> totalFixed
// Count the number of columns/rows which are fixed -> countFixed
if (grid[i].isFixed()) {
gridLayout[i] = kMax(grid[i].value(), 0);
totalFixed += gridLayout[i];
countFixed++;
}
// Count the total percentage of all of the percentage columns/rows -> totalPercent
// Count the number of columns/rows which are percentages -> countPercent
if (grid[i].isPercent()) {
gridLayout[i] = kMax(grid[i].width(availableLen[k]), 0);
totalPercent += gridLayout[i];
countPercent++;
}
// Count the total relative of all the relative columns/rows -> totalRelative
// Count the number of columns/rows which are relative -> countRelative
if (grid[i].isRelative()) {
totalRelative += kMax(grid[i].value(), 1);
countRelative++;
}
}
// Fixed columns/rows are our first priority. If there is not enough space to fit all fixed
// columns/rows we need to proportionally adjust their size.
if (totalFixed > remainingLen[k]) {
int remainingFixed = remainingLen[k];
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isFixed()) {
gridLayout[i] = (gridLayout[i] * remainingFixed) / totalFixed;
remainingLen[k] -= gridLayout[i];
}
}
} else {
remainingLen[k] -= totalFixed;
}
// Percentage columns/rows are our second priority. Divide the remaining space proportionally
// over all percentage columns/rows. IMPORTANT: the size of each column/row is not relative
// to 100%, but to the total percentage. For example, if there are three columns, each of 75%,
// and the available space is 300px, each column will become 100px in width.
if (totalPercent > remainingLen[k]) {
int remainingPercent = remainingLen[k];
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isPercent()) {
gridLayout[i] = (gridLayout[i] * remainingPercent) / totalPercent;
remainingLen[k] -= gridLayout[i];
}
}
} else {
remainingLen[k] -= totalPercent;
}
// Relative columns/rows are our last priority. Divide the remaining space proportionally
// over all relative columns/rows. IMPORTANT: the relative value of 0* is treated as 1*.
if (countRelative) {
int lastRelative = 0;
int remainingRelative = remainingLen[k];
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isRelative()) {
gridLayout[i] = (kMax(grid[i].value(), 1) * remainingRelative) / totalRelative;
remainingLen[k] -= gridLayout[i];
lastRelative = i;
}
}
// If we could not evently distribute the available space of all of the relative
// columns/rows, the remainder will be added to the last column/row.
// For example: if we have a space of 100px and three columns (*,*,*), the remainder will
// be 1px and will be added to the last column: 33px, 33px, 34px.
if (remainingLen[k]) {
gridLayout[lastRelative] += remainingLen[k];
remainingLen[k] = 0;
}
}
// If we still have some left over space we need to divide it over the already existing
// columns/rows
if (remainingLen[k]) {
// Our first priority is to spread if over the percentage columns. The remaining
// space is spread evenly, for example: if we have a space of 100px, the columns
// definition of 25%,25% used to result in two columns of 25px. After this the
// columns will each be 50px in width.
if (countPercent && totalPercent) {
int remainingPercent = remainingLen[k];
int changePercent = 0;
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isPercent()) {
changePercent = (remainingPercent * gridLayout[i]) / totalPercent;
gridLayout[i] += changePercent;
remainingLen[k] -= changePercent;
}
}
} else if (totalFixed) {
// Our last priority is to spread the remaining space over the fixed columns.
// For example if we have 100px of space and two column of each 40px, both
// columns will become exactly 50px.
int remainingFixed = remainingLen[k];
int changeFixed = 0;
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isFixed()) {
changeFixed = (remainingFixed * gridLayout[i]) / totalFixed;
gridLayout[i] += changeFixed;
remainingLen[k] -= changeFixed;
}
}
}
}
// If we still have some left over space we probably ended up with a remainder of
// a division. We can not spread it evenly anymore. If we have any percentage
// columns/rows simply spread the remainder equally over all available percentage columns,
// regardless of their size.
if (remainingLen[k] && countPercent) {
int remainingPercent = remainingLen[k];
int changePercent = 0;
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isPercent()) {
changePercent = remainingPercent / countPercent;
gridLayout[i] += changePercent;
remainingLen[k] -= changePercent;
}
}
}
// If we don't have any percentage columns/rows we only have fixed columns. Spread
// the remainder equally over all fixed columns/rows.
else if (remainingLen[k] && countFixed) {
int remainingFixed = remainingLen[k];
int changeFixed = 0;
for (int i = 0; i < gridLen; ++i) {
if (grid[i].isFixed()) {
changeFixed = remainingFixed / countFixed;
gridLayout[i] += changeFixed;
remainingLen[k] -= changeFixed;
}
}
}
// Still some left over... simply add it to the last column, because it is impossible
// spread it evenly or equally.
if (remainingLen[k]) {
gridLayout[gridLen - 1] += remainingLen[k];
}
// now we have the final layout, distribute the delta over it
bool worked = true;
for (int i = 0; i < gridLen; ++i) {
if (gridLayout[i] && gridLayout[i] + gridDelta[i] <= 0)
worked = false;
gridLayout[i] += gridDelta[i];
}
// now the delta's broke something, undo it and reset deltas
if (!worked)
for (int i = 0; i < gridLen; ++i) {
gridLayout[i] -= gridDelta[i];
gridDelta[i] = 0;
}
}
else
gridLayout[0] = remainingLen[k];
}
positionFrames();
RenderObject *child = firstChild();
if ( !child )
goto end2;
if(!m_hSplitVar && !m_vSplitVar)
{
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "calculationg fixed Splitters" << endl;
#endif
if(!m_vSplitVar && element()->totalCols() > 1)
{
m_vSplitVar = new bool[element()->totalCols()];
for(int i = 0; i < element()->totalCols(); i++) m_vSplitVar[i] = true;
}
if(!m_hSplitVar && element()->totalRows() > 1)
{
m_hSplitVar = new bool[element()->totalRows()];
for(int i = 0; i < element()->totalRows(); i++) m_hSplitVar[i] = true;
}
for(int r = 0; r < element()->totalRows(); r++)
{
for(int c = 0; c < element()->totalCols(); c++)
{
bool fixed = false;
if ( child->isFrameSet() )
fixed = static_cast<RenderFrameSet *>(child)->element()->noResize();
else
fixed = static_cast<RenderFrame *>(child)->element()->noResize();
if(fixed)
{
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "found fixed cell " << r << "/" << c << "!" << endl;
#endif
if( element()->totalCols() > 1)
{
if(c>0) m_vSplitVar[c-1] = false;
m_vSplitVar[c] = false;
}
if( element()->totalRows() > 1)
{
if(r>0) m_hSplitVar[r-1] = false;
m_hSplitVar[r] = false;
}
child = child->nextSibling();
if(!child) goto end2;
}
#ifdef DEBUG_LAYOUT
else
kdDebug( 6031 ) << "not fixed: " << r << "/" << c << "!" << endl;
#endif
}
}
}
RenderContainer::layout();
end2:
setNeedsLayout(false);
}
void RenderFrameSet::positionFrames()
{
int r;
int c;
RenderObject *child = firstChild();
if ( !child )
return;
// NodeImpl *child = _first;
// if(!child) return;
int yPos = 0;
for(r = 0; r < element()->totalRows(); r++)
{
int xPos = 0;
for(c = 0; c < element()->totalCols(); c++)
{
child->setPos( xPos, yPos );
#ifdef DEBUG_LAYOUT
kdDebug(6040) << "child frame at (" << xPos << "/" << yPos << ") size (" << m_gridLayout[1][c] << "/" << m_gridLayout[0][r] << ")" << endl;
#endif
// has to be resized and itself resize its contents
if ((m_gridLayout[1][c] != child->width()) || (m_gridLayout[0][r] != child->height())) {
child->setWidth( m_gridLayout[1][c] );
child->setHeight( m_gridLayout[0][r] );
child->setNeedsLayout(true);
child->layout();
}
xPos += m_gridLayout[1][c] + element()->border();
child = child->nextSibling();
if ( !child )
return;
}
yPos += m_gridLayout[0][r] + element()->border();
}
// all the remaining frames are hidden to avoid ugly
// spurious unflowed frames
while ( child ) {
child->setWidth( 0 );
child->setHeight( 0 );
child->setNeedsLayout(false);
child = child->nextSibling();
}
}
bool RenderFrameSet::userResize( MouseEventImpl *evt )
{
if (needsLayout()) return false;
bool res = false;
int _x = evt->clientX();
int _y = evt->clientY();
if ( !m_resizing && evt->id() == EventImpl::MOUSEMOVE_EVENT || evt->id() == EventImpl::MOUSEDOWN_EVENT )
{
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "mouseEvent:check" << endl;
#endif
m_hSplit = -1;
m_vSplit = -1;
//bool resizePossible = true;
// check if we're over a horizontal or vertical boundary
int pos = m_gridLayout[1][0] + xPos();
for(int c = 1; c < element()->totalCols(); c++)
{
if(_x >= pos && _x <= pos+element()->border())
{
if(m_vSplitVar && m_vSplitVar[c-1] == true) m_vSplit = c-1;
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "vsplit!" << endl;
#endif
res = true;
break;
}
pos += m_gridLayout[1][c] + element()->border();
}
pos = m_gridLayout[0][0] + yPos();
for(int r = 1; r < element()->totalRows(); r++)
{
if( _y >= pos && _y <= pos+element()->border())
{
if(m_hSplitVar && m_hSplitVar[r-1] == true) m_hSplit = r-1;
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "hsplitvar = " << m_hSplitVar << endl;
kdDebug( 6031 ) << "hsplit!" << endl;
#endif
res = true;
break;
}
pos += m_gridLayout[0][r] + element()->border();
}
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << m_hSplit << "/" << m_vSplit << endl;
#endif
}
m_cursor = Qt::ArrowCursor;
if(m_hSplit != -1 && m_vSplit != -1)
m_cursor = Qt::SizeAllCursor;
else if( m_vSplit != -1 )
m_cursor = Qt::SizeHorCursor;
else if( m_hSplit != -1 )
m_cursor = Qt::SizeVerCursor;
if(!m_resizing && evt->id() == EventImpl::MOUSEDOWN_EVENT)
{
setResizing(true);
TDEApplication::setOverrideCursor(TQCursor(m_cursor));
m_vSplitPos = _x;
m_hSplitPos = _y;
m_oldpos = -1;
}
// ### check the resize is not going out of bounds.
if(m_resizing && evt->id() == EventImpl::MOUSEUP_EVENT)
{
setResizing(false);
TDEApplication::restoreOverrideCursor();
if(m_vSplit != -1 )
{
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "split xpos=" << _x << endl;
#endif
int delta = m_vSplitPos - _x;
m_gridDelta[1][m_vSplit] -= delta;
m_gridDelta[1][m_vSplit+1] += delta;
}
if(m_hSplit != -1 )
{
#ifdef DEBUG_LAYOUT
kdDebug( 6031 ) << "split ypos=" << _y << endl;
#endif
int delta = m_hSplitPos - _y;
m_gridDelta[0][m_hSplit] -= delta;
m_gridDelta[0][m_hSplit+1] += delta;
}
// this just schedules the relayout
// important, otherwise the moving indicator is not correctly erased
setNeedsLayout(true);
}
TDEHTMLView *view = canvas()->view();
if ((m_resizing || evt->id() == EventImpl::MOUSEUP_EVENT) && view) {
TQPainter paint( view );
paint.setPen( Qt::gray );
paint.setBrush( Qt::gray );
paint.setRasterOp( TQt::XorROP );
TQRect r(xPos(), yPos(), width(), height());
const int rBord = 3;
int sw = element()->border();
int p = m_resizing ? (m_vSplit > -1 ? _x : _y) : -1;
if (m_vSplit > -1) {
if ( m_oldpos >= 0 )
paint.drawRect( m_oldpos + sw/2 - rBord , r.y(),
2*rBord, r.height() );
if ( p >= 0 )
paint.drawRect( p + sw/2 - rBord, r.y(), 2*rBord, r.height() );
} else {
if ( m_oldpos >= 0 )
paint.drawRect( r.x(), m_oldpos + sw/2 - rBord,
r.width(), 2*rBord );
if ( p >= 0 )
paint.drawRect( r.x(), p + sw/2 - rBord, r.width(), 2*rBord );
}
m_oldpos = p;
}
return res;
}
void RenderFrameSet::setResizing(bool e)
{
m_resizing = e;
for (RenderObject* p = parent(); p; p = p->parent())
if (p->isFrameSet()) static_cast<RenderFrameSet*>(p)->m_clientresizing = m_resizing;
}
bool RenderFrameSet::canResize( int _x, int _y )
{
// if we haven't received a layout, then the gridLayout doesn't contain useful data yet
if (needsLayout() || !m_gridLayout[0] || !m_gridLayout[1] ) return false;
// check if we're over a horizontal or vertical boundary
int pos = m_gridLayout[1][0];
for(int c = 1; c < element()->totalCols(); c++)
if(_x >= pos && _x <= pos+element()->border())
return true;
pos = m_gridLayout[0][0];
for(int r = 1; r < element()->totalRows(); r++)
if( _y >= pos && _y <= pos+element()->border())
return true;
return false;
}
#ifdef ENABLE_DUMP
void RenderFrameSet::dump(TQTextStream &stream, const TQString &ind) const
{
RenderBox::dump(stream,ind);
stream << " totalrows=" << element()->totalRows();
stream << " totalcols=" << element()->totalCols();
if ( m_hSplitVar )
for (uint i = 0; i < (uint)element()->totalRows(); i++) {
stream << " hSplitvar(" << i << ")=" << m_hSplitVar[i];
}
if ( m_vSplitVar )
for (uint i = 0; i < (uint)element()->totalCols(); i++)
stream << " vSplitvar(" << i << ")=" << m_vSplitVar[i];
}
#endif
/**************************************************************************************/
RenderPart::RenderPart(DOM::HTMLElementImpl* node)
: RenderWidget(node)
{
// init RenderObject attributes
setInline(false);
}
void RenderPart::setWidget( TQWidget *widget )
{
#ifdef DEBUG_LAYOUT
kdDebug(6031) << "RenderPart::setWidget()" << endl;
#endif
setQWidget( widget );
widget->setFocusPolicy(TQ_WheelFocus);
if(widget->inherits("TDEHTMLView"))
connect( widget, TQT_SIGNAL( cleared() ), this, TQT_SLOT( slotViewCleared() ) );
setNeedsLayoutAndMinMaxRecalc();
// make sure the scrollbars are set correctly for restore
// ### find better fix
slotViewCleared();
}
bool RenderPart::partLoadingErrorNotify(tdehtml::ChildFrame *, const KURL& , const TQString& )
{
return false;
}
short RenderPart::intrinsicWidth() const
{
return 300;
}
int RenderPart::intrinsicHeight() const
{
return 150;
}
void RenderPart::slotViewCleared()
{
}
/***************************************************************************************/
RenderFrame::RenderFrame( DOM::HTMLFrameElementImpl *frame )
: RenderPart(frame)
{
setInline( false );
}
void RenderFrame::slotViewCleared()
{
if(m_widget->inherits(TQSCROLLVIEW_OBJECT_NAME_STRING)) {
#ifdef DEBUG_LAYOUT
kdDebug(6031) << "frame is a scrollview!" << endl;
#endif
TQScrollView *view = static_cast<TQScrollView *>(m_widget);
if(!element()->frameBorder || !((static_cast<HTMLFrameSetElementImpl *>(element()->parentNode()))->frameBorder()))
view->setFrameStyle(TQFrame::NoFrame);
view->setVScrollBarMode(element()->scrolling );
view->setHScrollBarMode(element()->scrolling );
if(view->inherits("TDEHTMLView")) {
#ifdef DEBUG_LAYOUT
kdDebug(6031) << "frame is a TDEHTMLview!" << endl;
#endif
TDEHTMLView *htmlView = static_cast<TDEHTMLView *>(view);
if(element()->marginWidth != -1) htmlView->setMarginWidth(element()->marginWidth);
if(element()->marginHeight != -1) htmlView->setMarginHeight(element()->marginHeight);
}
}
}
/****************************************************************************************/
RenderPartObject::RenderPartObject( DOM::HTMLElementImpl* element )
: RenderPart( element )
{
// init RenderObject attributes
setInline(true);
}
void RenderPartObject::updateWidget()
{
TQString url;
TDEHTMLPart *part = m_view->part();
setNeedsLayoutAndMinMaxRecalc();
if (element()->id() == ID_IFRAME) {
HTMLIFrameElementImpl *o = static_cast<HTMLIFrameElementImpl *>(element());
url = o->url.string();
if (!o->getDocument()->isURLAllowed(url)) return;
part->requestFrame( this, url, o->name.string(), TQStringList(), true );
// ### this should be constant true - move iframe to somewhere else
} else {
TQStringList params;
HTMLObjectBaseElementImpl * objbase = static_cast<HTMLObjectBaseElementImpl *>(element());
url = objbase->url;
for (NodeImpl* child = element()->firstChild(); child; child=child->nextSibling()) {
if ( child->id() == ID_PARAM ) {
HTMLParamElementImpl *p = static_cast<HTMLParamElementImpl *>( child );
TQString aStr = p->name();
aStr += TQString::fromLatin1("=\"");
aStr += p->value();
aStr += TQString::fromLatin1("\"");
TQString name_lower = p->name().lower();
if (name_lower == TQString::fromLatin1("type") && objbase->id() != ID_APPLET) {
objbase->setServiceType(p->value());
} else if (url.isEmpty() &&
(name_lower == TQString::fromLatin1("src") ||
name_lower == TQString::fromLatin1("movie") ||
name_lower == TQString::fromLatin1("code"))) {
url = p->value();
}
params.append(aStr);
}
}
if (element()->id() != ID_OBJECT) {
// add all attributes set on the embed object
NamedAttrMapImpl* a = objbase->attributes();
if (a) {
for (unsigned long i = 0; i < a->length(); ++i) {
NodeImpl::Id id = a->idAt(i);
DOMString value = a->valueAt(i);
params.append(objbase->getDocument()->getName(NodeImpl::AttributeId, id).string() + "=\"" + value.string() + "\"");
}
}
}
params.append( TQString::fromLatin1("__TDEHTML__PLUGINEMBED=\"YES\"") );
params.append( TQString::fromLatin1("__TDEHTML__PLUGINBASEURL=\"%1\"").arg(element()->getDocument()->baseURL().url()));
HTMLEmbedElementImpl *embed = 0;
TQString classId;
TQString serviceType = objbase->serviceType;
if ( element()->id() == ID_EMBED ) {
embed = static_cast<HTMLEmbedElementImpl *>( objbase );
}
else { // if(element()->id() == ID_OBJECT || element()->id() == ID_APPLET)
// check for embed child object
for (NodeImpl *child = objbase->firstChild(); child; child = child->nextSibling())
if ( child->id() == ID_EMBED ) {
embed = static_cast<HTMLEmbedElementImpl *>( child );
break;
}
classId = objbase->classId;
params.append( TQString::fromLatin1("__TDEHTML__CLASSID=\"%1\"").arg( classId ) );
params.append( TQString::fromLatin1("__TDEHTML__CODEBASE=\"%1\"").arg( objbase->getAttribute(ATTR_CODEBASE).string() ) );
if (!objbase->getAttribute(ATTR_WIDTH).isEmpty())
params.append( TQString::fromLatin1("WIDTH=\"%1\"").arg( objbase->getAttribute(ATTR_WIDTH).string() ) );
else if (embed && !embed->getAttribute(ATTR_WIDTH).isEmpty()) {
params.append( TQString::fromLatin1("WIDTH=\"%1\"").arg( embed->getAttribute(ATTR_WIDTH).string() ) );
objbase->setAttribute(ATTR_WIDTH, embed->getAttribute(ATTR_WIDTH));
}
if (!objbase->getAttribute(ATTR_HEIGHT).isEmpty())
params.append( TQString::fromLatin1("HEIGHT=\"%1\"").arg( objbase->getAttribute(ATTR_HEIGHT).string() ) );
else if (embed && !embed->getAttribute(ATTR_HEIGHT).isEmpty()) {
params.append( TQString::fromLatin1("HEIGHT=\"%1\"").arg( embed->getAttribute(ATTR_HEIGHT).string() ) );
objbase->setAttribute(ATTR_HEIGHT, embed->getAttribute(ATTR_HEIGHT));
}
if ( embed ) {
// render embed object
url = embed->url;
if (!embed->serviceType.isEmpty())
serviceType = embed->serviceType;
} else if (url.isEmpty() && objbase->classId.startsWith("java:")) {
serviceType = "application/x-java-applet";
url = objbase->classId.mid(5);
}
if ( (serviceType.isEmpty() ||
serviceType == "application/x-oleobject") &&
!objbase->classId.isEmpty())
{
#if 0
// We have a clsid, means this is activex (Niko)
serviceType = "application/x-activex-handler";
#endif
if(classId.find(TQString::fromLatin1("D27CDB6E-AE6D-11cf-96B8-444553540000")) >= 0) {
// It is ActiveX, but the nsplugin system handling
// should also work, that's why we don't override the
// serviceType with application/x-activex-handler
// but let the TDETrader in tdehtmlpart::createPart() detect
// the user's preference: launch with activex viewer or
// with nspluginviewer (Niko)
serviceType = "application/x-shockwave-flash";
}
else if(classId.find(TQString::fromLatin1("CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA")) >= 0)
serviceType = "audio/x-pn-realaudio-plugin";
else if(classId.find(TQString::fromLatin1("8AD9C840-044E-11D1-B3E9-00805F499D93")) >= 0 ||
objbase->classId.find(TQString::fromLatin1("CAFEEFAC-0014-0000-0000-ABCDEFFEDCBA")) >= 0)
serviceType = "application/x-java-applet";
// http://www.apple.com/quicktime/tools_tips/tutorials/activex.html
else if(classId.find(TQString::fromLatin1("02BF25D5-8C17-4B23-BC80-D3488ABDDC6B")) >= 0)
serviceType = "video/quicktime";
// http://msdn.microsoft.com/library/en-us/dnwmt/html/adding_windows_media_to_web_pages__etse.asp?frame=true
else if(objbase->classId.find(TQString::fromLatin1("6BF52A52-394A-11d3-B153-00C04F79FAA6")) >= 0 ||
classId.find(TQString::fromLatin1("22D6f312-B0F6-11D0-94AB-0080C74C7E95")) >= 0)
serviceType = "video/x-msvideo";
else
kdDebug(6031) << "ActiveX classId " << objbase->classId << endl;
// TODO: add more plugins here
}
}
if ((url.isEmpty() && !embed &&
(serviceType.isEmpty() || classId.isEmpty())) ||
!document()->isURLAllowed(url) ||
!part->requestObject( this, url, serviceType, params ))
objbase->renderAlternative();
}
}
// ugly..
void RenderPartObject::close()
{
RenderPart::close();
if ( element()->id() != ID_IFRAME )
updateWidget();
// deleted here
}
bool RenderPartObject::partLoadingErrorNotify( tdehtml::ChildFrame *childFrame, const KURL& url, const TQString& serviceType )
{
TDEHTMLPart *part = static_cast<TDEHTMLView *>(m_view)->part();
kdDebug(6031) << "RenderPartObject::partLoadingErrorNotify serviceType=" << serviceType << endl;
// Check if we just tried with e.g. nsplugin
// and fallback to the activexhandler if there is a classid
// and a codebase, where we may download the ocx if it's missing
if( serviceType != "application/x-activex-handler" && element()->id()==ID_OBJECT ) {
// check for embed child object
HTMLObjectElementImpl *o = static_cast<HTMLObjectElementImpl *>(element());
HTMLEmbedElementImpl *embed = 0;
NodeImpl *child = o->firstChild();
while ( child ) {
if ( child->id() == ID_EMBED )
embed = static_cast<HTMLEmbedElementImpl *>( child );
child = child->nextSibling();
}
if( embed && !o->classId.isEmpty() &&
!( static_cast<ElementImpl *>(o)->getAttribute(ATTR_CODEBASE).string() ).isEmpty() )
{
KParts::URLArgs args;
args.serviceType = "application/x-activex-handler";
kdDebug(6031) << "set to activex" << endl;
if (part->requestObject( childFrame, url, args ))
return true; // success
return false;
}
}
// Dissociate ourselves from the current event loop (to prevent crashes
// due to the message box staying up)
TQTimer::singleShot( 0, this, TQT_SLOT( slotPartLoadingErrorNotify() ) );
#if 0
Tokenizer *tokenizer = static_cast<DOM::DocumentImpl *>(part->document().handle())->tokenizer();
if (tokenizer) tokenizer->setOnHold( true );
slotPartLoadingErrorNotify();
if (tokenizer) tokenizer->setOnHold( false );
#endif
return false;
}
void RenderPartObject::slotPartLoadingErrorNotify()
{
// First we need to find out the servicetype - again - this code is too duplicated !
HTMLEmbedElementImpl *embed = 0;
TQString serviceType;
if( element()->id()==ID_OBJECT ) {
// check for embed child object
HTMLObjectElementImpl *o = static_cast<HTMLObjectElementImpl *>(element());
serviceType = o->serviceType;
NodeImpl *child = o->firstChild();
while ( child ) {
if ( child->id() == ID_EMBED )
embed = static_cast<HTMLEmbedElementImpl *>( child );
child = child->nextSibling();
}
} else if( element()->id()==ID_EMBED ) {
embed = static_cast<HTMLEmbedElementImpl *>(element());
}
if ( embed )
serviceType = embed->serviceType;
// prepare for the local eventloop in KMessageBox
ref();
TDEHTMLPart *part = static_cast<TDEHTMLView *>(m_view)->part();
KParts::BrowserExtension *ext = part->browserExtension();
if( embed && !embed->pluginPage.isEmpty() && ext ) {
// Prepare the mimetype to show in the question (comment if available, name as fallback)
TQString mimeName = serviceType;
KMimeType::Ptr mime = KMimeType::mimeType(serviceType);
if ( mime->name() != KMimeType::defaultMimeType() )
mimeName = mime->comment();
// Check if we already asked the user, for this page
if (!mimeName.isEmpty() && part->docImpl() && !part->pluginPageQuestionAsked( serviceType ) )
{
part->setPluginPageQuestionAsked( serviceType );
bool pluginAvailable;
pluginAvailable = false;
// check if a pluginList file is in the config
if(KNSPluginInstallEngine::isActive())
{
KNSPluginWizard pluginWizard(m_view, "pluginInstaller", mime);
if(pluginWizard.pluginAvailable()) {
pluginAvailable = true;
pluginWizard.exec();
}
}
if(!pluginAvailable) {
// Prepare the URL to show in the question (host only if http, to make it short)
KURL pluginPageURL( embed->pluginPage );
TQString shortURL = pluginPageURL.protocol() == "http" ? pluginPageURL.host() : pluginPageURL.prettyURL();
int res = KMessageBox::questionYesNo( m_view,
i18n("No plugin found for '%1'.\nDo you want to download one from %2?").arg(mimeName).arg(shortURL),
i18n("Missing Plugin"), i18n("Download"), i18n("Do Not Download"), TQString("plugin-")+serviceType);
if ( res == KMessageBox::Yes )
{
// Display vendor download page
ext->createNewWindow( pluginPageURL );
return;
}
}
}
}
// didn't work, render alternative content.
if ( element() && (
element()->id() == ID_OBJECT || element()->id() == ID_EMBED || element()->id() == ID_APPLET))
static_cast<HTMLObjectBaseElementImpl*>( element() )->renderAlternative();
deref();
}
void RenderPartObject::layout( )
{
TDEHTMLAssert( needsLayout() );
TDEHTMLAssert( minMaxKnown() );
calcWidth();
calcHeight();
RenderPart::layout();
setNeedsLayout(false);
}
void RenderPartObject::slotViewCleared()
{
if(m_widget->inherits(TQSCROLLVIEW_OBJECT_NAME_STRING) ) {
#ifdef DEBUG_LAYOUT
kdDebug(6031) << "iframe is a scrollview!" << endl;
#endif
TQScrollView *view = static_cast<TQScrollView *>(m_widget);
int frameStyle = TQFrame::NoFrame;
TQScrollView::ScrollBarMode scroll = TQScrollView::Auto;
int marginw = -1;
int marginh = -1;
if ( element()->id() == ID_IFRAME) {
HTMLIFrameElementImpl *frame = static_cast<HTMLIFrameElementImpl *>(element());
if(frame->frameBorder)
frameStyle = TQFrame::Box;
scroll = frame->scrolling;
marginw = frame->marginWidth;
marginh = frame->marginHeight;
}
view->setFrameStyle(frameStyle);
view->setVScrollBarMode(scroll );
view->setHScrollBarMode(scroll );
if(view->inherits("TDEHTMLView")) {
#ifdef DEBUG_LAYOUT
kdDebug(6031) << "frame is a TDEHTMLview!" << endl;
#endif
TDEHTMLView *htmlView = static_cast<TDEHTMLView *>(view);
htmlView->setIgnoreWheelEvents( element()->id() == ID_IFRAME );
if(marginw != -1) htmlView->setMarginWidth(marginw);
if(marginh != -1) htmlView->setMarginHeight(marginh);
}
}
}
#include "render_frames.moc"
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