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Diffstat (limited to 'khtml/misc/loader.cpp')
| -rw-r--r-- | khtml/misc/loader.cpp | 1679 |
1 files changed, 0 insertions, 1679 deletions
diff --git a/khtml/misc/loader.cpp b/khtml/misc/loader.cpp deleted file mode 100644 index 79a8c2148..000000000 --- a/khtml/misc/loader.cpp +++ /dev/null @@ -1,1679 +0,0 @@ -/* - This file is part of the KDE libraries - - Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) - Copyright (C) 2001-2003 Dirk Mueller (mueller@kde.org) - Copyright (C) 2002 Waldo Bastian (bastian@kde.org) - Copyright (C) 2003 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. - - This class provides all functionality needed for loading images, style sheets and html - pages from the web. It has a memory cache for these objects. - - // regarding the LRU: - // http://www.is.kyusan-u.ac.jp/~chengk/pub/papers/compsac00_A07-07.pdf -*/ - -#undef CACHE_DEBUG -//#define CACHE_DEBUG - -#ifdef CACHE_DEBUG -#define CDEBUG kdDebug(6060) -#else -#define CDEBUG kndDebug() -#endif - -#undef LOADER_DEBUG -//#define LOADER_DEBUG - -#include <assert.h> - -#include "misc/loader.h" -#include "misc/seed.h" - -// default cache size -#define DEFCACHESIZE 2096*1024 -#define MAX_JOB_COUNT 32 - -#include <tqasyncio.h> -#include <tqasyncimageio.h> -#include <tqpainter.h> -#include <tqbitmap.h> -#include <tqmovie.h> -#include <tqwidget.h> - -#include <kapplication.h> -#include <kio/job.h> -#include <kio/jobclasses.h> -#include <kglobal.h> -#include <kimageio.h> -#include <kcharsets.h> -#include <kiconloader.h> -#include <scheduler.h> -#include <kdebug.h> -#include "khtml_factory.h" -#include "khtml_part.h" - -#ifdef IMAGE_TITLES -#include <tqfile.h> -#include <kfilemetainfo.h> -#include <ktempfile.h> -#endif - -#include "html/html_documentimpl.h" -#include "css/css_stylesheetimpl.h" -#include "xml/dom_docimpl.h" - -#include "blocked_icon.cpp" - -using namespace khtml; -using namespace DOM; - -#define MAX_LRU_LISTS 20 -struct LRUList { - CachedObject* m_head; - CachedObject* m_tail; - - LRUList() : m_head(0), m_tail(0) {} -}; - -static LRUList m_LRULists[MAX_LRU_LISTS]; -static LRUList* getLRUListFor(CachedObject* o); - -CachedObjectClient::~CachedObjectClient() -{ -} - -CachedObject::~CachedObject() -{ - Cache::removeFromLRUList(this); -} - -void CachedObject::finish() -{ - m_status = Cached; -} - -bool CachedObject::isExpired() const -{ - if (!m_expireDate) return false; - time_t now = time(0); - return (difftime(now, m_expireDate) >= 0); -} - -void CachedObject::setRequest(Request *_request) -{ - if ( _request && !m_request ) - m_status = Pending; - - if ( allowInLRUList() ) - Cache::removeFromLRUList( this ); - - m_request = _request; - - if ( allowInLRUList() ) - Cache::insertInLRUList( this ); -} - -void CachedObject::ref(CachedObjectClient *c) -{ - // unfortunately we can be ref'ed multiple times from the - // same object, because it uses e.g. the same foreground - // and the same background picture. so deal with it. - m_clients.insert(c,c); - Cache::removeFromLRUList(this); - m_accessCount++; -} - -void CachedObject::deref(CachedObjectClient *c) -{ - assert( c ); - assert( m_clients.count() ); - assert( !canDelete() ); - assert( m_clients.find( c ) ); - - Cache::flush(); - - m_clients.remove(c); - - if (allowInLRUList()) - Cache::insertInLRUList(this); -} - -void CachedObject::setSize(int size) -{ - bool sizeChanged; - - if ( !m_next && !m_prev && getLRUListFor(this)->m_head != this ) - sizeChanged = false; - else - sizeChanged = ( size - m_size ) != 0; - - // The object must now be moved to a different queue, - // since its size has been changed. - if ( sizeChanged && allowInLRUList()) - Cache::removeFromLRUList(this); - - m_size = size; - - if ( sizeChanged && allowInLRUList()) - Cache::insertInLRUList(this); -} - -TQTextCodec* CachedObject::codecForBuffer( const TQString& charset, const TQByteArray& buffer ) const -{ - // we don't use heuristicContentMatch here since it is a) far too slow and - // b) having too much functionality for our case. - - uchar* d = ( uchar* ) buffer.data(); - int s = buffer.size(); - - // BOM - if ( s >= 3 && - d[0] == 0xef && d[1] == 0xbb && d[2] == 0xbf) - return TQTextCodec::codecForMib( 106 ); // UTF-8 - - if ( s >= 2 && ((d[0] == 0xff && d[1] == 0xfe) || - (d[0] == 0xfe && d[1] == 0xff))) - return TQTextCodec::codecForMib( 1000 ); // UCS-2 - - // Link or @charset - if(!charset.isEmpty()) - { - TQTextCodec* c = TDEGlobal::charsets()->codecForName(charset); - if(c->mibEnum() == 11) { - // iso8859-8 (visually ordered) - c = TQTextCodec::codecForName("iso8859-8-i"); - } - return c; - } - - // Default - return TQTextCodec::codecForMib( 4 ); // latin 1 -} - -// ------------------------------------------------------------------------------------------- - -CachedCSSStyleSheet::CachedCSSStyleSheet(DocLoader* dl, const DOMString &url, TDEIO::CacheControl _cachePolicy, - const char *accept) - : CachedObject(url, CSSStyleSheet, _cachePolicy, 0) -{ - // Set the type we want (probably css or xml) - TQString ah = TQString::fromLatin1( accept ); - if ( !ah.isEmpty() ) - ah += ","; - ah += "*/*;q=0.1"; - setAccept( ah ); - m_hadError = false; - m_wasBlocked = false; - m_err = 0; - // load the file - Cache::loader()->load(dl, this, false); - m_loading = true; -} - -CachedCSSStyleSheet::CachedCSSStyleSheet(const DOMString &url, const TQString &stylesheet_data) - : CachedObject(url, CSSStyleSheet, TDEIO::CC_Verify, stylesheet_data.length()) -{ - m_loading = false; - m_status = Persistent; - m_sheet = DOMString(stylesheet_data); -} - - -void CachedCSSStyleSheet::ref(CachedObjectClient *c) -{ - CachedObject::ref(c); - - if (!m_loading) { - if (m_hadError) - c->error( m_err, m_errText ); - else - c->setStyleSheet( m_url, m_sheet, m_charset ); - } -} - -void CachedCSSStyleSheet::data( TQBuffer &buffer, bool eof ) -{ - if(!eof) return; - buffer.close(); - setSize(buffer.buffer().size()); - -// TQString charset = checkCharset( buffer.buffer() ); - TQTextCodec* c = 0; - if (!m_charset.isEmpty()) { - c = TDEGlobal::charsets()->codecForName(m_charset); - if(c->mibEnum() == 11) c = TQTextCodec::codecForName("iso8859-8-i"); - } - else { - c = codecForBuffer( m_charsetHint, buffer.buffer() ); - m_charset = c->name(); - } - TQString data = c->toUnicode( buffer.buffer().data(), m_size ); - // workaround TQt bugs - m_sheet = static_cast<TQChar>(data[0]) == TQChar::byteOrderMark ? DOMString(data.mid( 1 ) ) : DOMString(data); - m_loading = false; - - checkNotify(); -} - -void CachedCSSStyleSheet::checkNotify() -{ - if(m_loading || m_hadError) return; - - CDEBUG << "CachedCSSStyleSheet:: finishedLoading " << m_url.string() << endl; - - // it() first increments, then returnes the current item. - // this avoids skipping an item when setStyleSheet deletes the "current" one. - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->setStyleSheet( m_url, m_sheet, m_charset ); -} - - -void CachedCSSStyleSheet::error( int err, const char* text ) -{ - m_hadError = true; - m_err = err; - m_errText = text; - m_loading = false; - - // it() first increments, then returnes the current item. - // this avoids skipping an item when setStyleSheet deletes the "current" one. - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->error( m_err, m_errText ); -} - -#if 0 -TQString CachedCSSStyleSheet::checkCharset(const TQByteArray& buffer ) const -{ - int s = buffer.size(); - if (s <= 12) return m_charset; - - // @charset has to be first or directly after BOM. - // CSS 2.1 says @charset should win over BOM, but since more browsers support BOM - // than @charset, we default to that. - const char* d = (const char*) buffer.data(); - if (strncmp(d, "@charset \"",10) == 0) - { - // the string until "; is the charset name - char *p = strchr(d+10, '"'); - if (p == 0) return m_charset; - TQString charset = TQString::fromAscii(d+10, p-(d+10)); - return charset; - } - return m_charset; -} -#endif - -// ------------------------------------------------------------------------------------------- - -CachedScript::CachedScript(DocLoader* dl, const DOMString &url, TDEIO::CacheControl _cachePolicy, const char*) - : CachedObject(url, Script, _cachePolicy, 0) -{ - // It's javascript we want. - // But some websites think their scripts are <some wrong mimetype here> - // and refuse to serve them if we only accept application/x-javascript. - setAccept( TQString::fromLatin1("*/*") ); - // load the file - Cache::loader()->load(dl, this, false); - m_loading = true; -} - -CachedScript::CachedScript(const DOMString &url, const TQString &script_data) - : CachedObject(url, Script, TDEIO::CC_Verify, script_data.length()) -{ - m_loading = false; - m_status = Persistent; - m_script = DOMString(script_data); -} - -void CachedScript::ref(CachedObjectClient *c) -{ - CachedObject::ref(c); - - if(!m_loading) c->notifyFinished(this); -} - -void CachedScript::data( TQBuffer &buffer, bool eof ) -{ - if(!eof) return; - buffer.close(); - setSize(buffer.buffer().size()); - - TQTextCodec* c = codecForBuffer( m_charset, buffer.buffer() ); - TQString data = c->toUnicode( buffer.buffer().data(), m_size ); - m_script = static_cast<TQChar>(data[0]) == TQChar::byteOrderMark ? DOMString(data.mid( 1 ) ) : DOMString(data); - m_loading = false; - checkNotify(); -} - -void CachedScript::checkNotify() -{ - if(m_loading) return; - - for (TQPtrDictIterator<CachedObjectClient> it( m_clients); it.current();) - it()->notifyFinished(this); -} - -void CachedScript::error( int /*err*/, const char* /*text*/ ) -{ - m_loading = false; - checkNotify(); -} - -// ------------------------------------------------------------------------------------------ - -namespace khtml -{ - -class ImageSource : public TQDataSource -{ -public: - ImageSource(TQByteArray buf) - : buffer( buf ), pos( 0 ), eof( false ), rew(false ), rewable( true ) - {} - - int readyToSend() - { - if(eof && pos == buffer.size()) - return -1; - - return buffer.size() - pos; - } - - void sendTo(TQDataSink* sink, int n) - { - sink->receive((const uchar*)&buffer.at(pos), n); - - pos += n; - - // buffer is no longer needed - if(eof && pos == buffer.size() && !rewable) - { - buffer.resize(0); - pos = 0; - } - } - - /** - * Sets the EOF state. - */ - void setEOF( bool state ) { eof = state; } - - bool rewindable() const { return rewable; } - void enableRewind(bool on) { rew = on; } - - /* - Calls reset() on the TQIODevice. - */ - void rewind() - { - pos = 0; - if (!rew) { - TQDataSource::rewind(); - } else - ready(); - } - - /* - Indicates that the buffered data is no longer - needed. - */ - void cleanBuffer() - { - // if we need to be able to rewind, buffer is needed - if(rew) - return; - - rewable = false; - - // buffer is no longer needed - if(eof && pos == buffer.size()) - { - buffer.resize(0); - pos = 0; - } - } - - TQByteArray buffer; - unsigned int pos; -private: - bool eof : 1; - bool rew : 1; - bool rewable : 1; -}; - -} // end namespace - -static TQString buildAcceptHeader() -{ - return "image/png, image/jpeg, video/x-mng, image/jp2, image/gif;q=0.5,*/*;q=0.1"; -} - -// ------------------------------------------------------------------------------------- - -CachedImage::CachedImage(DocLoader* dl, const DOMString &url, TDEIO::CacheControl _cachePolicy, const char*) - : TQObject(), CachedObject(url, Image, _cachePolicy, 0) -{ - static const TQString &acceptHeader = TDEGlobal::staticQString( buildAcceptHeader() ); - - m = 0; - p = 0; - pixPart = 0; - bg = 0; - scaled = 0; - bgColor = tqRgba( 0, 0, 0, 0xFF ); - typeChecked = false; - isFullyTransparent = false; - monochrome = false; - formatType = 0; - m_status = Unknown; - imgSource = 0; - setAccept( acceptHeader ); - m_showAnimations = dl->showAnimations(); - - if ( KHTMLFactory::defaultHTMLSettings()->isAdFiltered( url.string() ) ) { - m_wasBlocked = true; - CachedObject::finish(); - } -} - -CachedImage::~CachedImage() -{ - clear(); -} - -void CachedImage::ref( CachedObjectClient *c ) -{ - CachedObject::ref(c); - - if( m ) { - m->unpause(); - if( m->finished() || m_clients.count() == 1 ) - m->restart(); - } - - // for mouseovers, dynamic changes - if ( m_status >= Persistent && !valid_rect().isNull() ) { - c->setPixmap( pixmap(), valid_rect(), this); - c->notifyFinished( this ); - } -} - -void CachedImage::deref( CachedObjectClient *c ) -{ - CachedObject::deref(c); - if(m && m_clients.isEmpty() && m->running()) - m->pause(); -} - -#define BGMINWIDTH 32 -#define BGMINHEIGHT 32 - -const TQPixmap &CachedImage::tiled_pixmap(const TQColor& newc, int xWidth, int xHeight) -{ - static TQRgb bgTransparent = tqRgba( 0, 0, 0, 0xFF ); - - TQSize s(pixmap_size()); - int w = xWidth; - int h = xHeight; - if (w == -1) xWidth = w = s.width(); - if (h == -1) xHeight = h = s.height(); - - if ( ( (bgColor != bgTransparent) && (bgColor != newc.rgb()) ) || - ( bgSize != TQSize(xWidth, xHeight)) ) - { - delete bg; bg = 0; - } - - if (bg) - return *bg; - - const TQPixmap &r = pixmap(); - - if (r.isNull()) return r; - - // no error indication for background images - if(m_hadError||m_wasBlocked) return *Cache::nullPixmap; - - bool isvalid = newc.isValid(); - - const TQPixmap* src; //source for pretiling, if any - - //See whether we should scale - if (xWidth != s.width() || xHeight != s.height()) { - src = &scaled_pixmap(xWidth, xHeight); - } else { - src = &r; - } - - bgSize = TQSize(xWidth, xHeight); - - //See whether we can - and should - pre-blend - if (isvalid && (r.hasAlphaChannel() || r.mask() )) { - bg = new TQPixmap(xWidth, xHeight, r.depth()); - bg->fill(newc); - bitBlt(bg, 0, 0, src); - bgColor = newc.rgb(); - src = bg; - } else { - bgColor = bgTransparent; - } - - //See whether to pre-tile. - if ( w*h < 8192 ) - { - if ( r.width() < BGMINWIDTH ) - w = ((BGMINWIDTH-1) / xWidth + 1) * xWidth; - if ( r.height() < BGMINHEIGHT ) - h = ((BGMINHEIGHT-1) / xHeight + 1) * xHeight; - } - if ( w != xWidth || h != xHeight ) - { -// kdDebug() << "pre-tiling " << s.width() << "," << s.height() << " to " << w << "," << h << endl; - TQPixmap* oldbg = bg; - bg = new TQPixmap(w, h, r.depth()); - - //Tile horizontally on the first stripe - for (int x = 0; x < w; x += xWidth) - copyBlt(bg, x, 0, src, 0, 0, xWidth, xHeight); - - //Copy first stripe down - for (int y = xHeight; y < h; y += xHeight) - copyBlt(bg, 0, y, bg, 0, 0, w, xHeight); - - if ( src == oldbg ) - delete oldbg; - } - - if (bg) - return *bg; - - return *src; -} - -const TQPixmap &CachedImage::scaled_pixmap( int xWidth, int xHeight ) -{ - if (scaled) { - if (scaled->width() == xWidth && scaled->height() == xHeight) - return *scaled; - delete scaled; - } - const TQPixmap &r = pixmap(); - if (r.isNull()) return r; - -// kdDebug() << "scaling " << r.width() << "," << r.height() << " to " << xWidth << "," << xHeight << endl; - - TQImage image = TQImage(r.convertToImage()).smoothScale(xWidth, xHeight); - - scaled = new TQPixmap(xWidth, xHeight, r.depth()); - scaled->convertFromImage(image); - - return *scaled; -} - - -const TQPixmap &CachedImage::pixmap( ) const -{ - if(m_hadError) - return *Cache::brokenPixmap; - - if(m_wasBlocked) - return *Cache::blockedPixmap; - - if(m) - { - if(m->framePixmap().size() != m->getValidRect().size()) - { - // pixmap is not yet completely loaded, so we - // return a clipped version. asserting here - // that the valid rect is always from 0/0 to fullwidth/ someheight - if(!pixPart) pixPart = new TQPixmap(); - - (*pixPart) = m->framePixmap(); - if (m->getValidRect().size().isValid()) - pixPart->resize(m->getValidRect().size()); - else - pixPart->resize(0, 0); - return *pixPart; - } - else - return m->framePixmap(); - } - else if(p) - return *p; - - return *Cache::nullPixmap; -} - - -TQSize CachedImage::pixmap_size() const -{ - if (m_wasBlocked) return Cache::blockedPixmap->size(); - return (m_hadError ? Cache::brokenPixmap->size() : m ? m->framePixmap().size() : ( p ? p->size() : TQSize())); -} - - -TQRect CachedImage::valid_rect() const -{ - if (m_wasBlocked) return Cache::blockedPixmap->rect(); - return (m_hadError ? Cache::brokenPixmap->rect() : m ? TQRect(m->getValidRect()) : ( p ? TQRect(p->rect()) : TQRect()) ); -} - - -void CachedImage::do_notify(const TQPixmap& p, const TQRect& r) -{ - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->setPixmap( p, r, this); -} - - -void CachedImage::movieUpdated( const TQRect& r ) -{ -#ifdef LOADER_DEBUG - tqDebug("movie updated %d/%d/%d/%d, pixmap size %d/%d", r.x(), r.y(), r.right(), r.bottom(), - m->framePixmap().size().width(), m->framePixmap().size().height()); -#endif - - do_notify(m->framePixmap(), r); -} - -void CachedImage::movieStatus(int status) -{ -#ifdef LOADER_DEBUG - tqDebug("movieStatus(%d)", status); -#endif - - // ### the html image objects are supposed to send the load event after every frame (according to - // netscape). We have a problem though where an image is present, and js code creates a new Image object, - // which uses the same CachedImage, the one in the document is not supposed to be notified - - // just another TQt 2.2.0 bug. we cannot call - // TQMovie::frameImage if we're after TQMovie::EndOfMovie - if(status == TQMovie::EndOfFrame) - { - const TQImage& im = m->frameImage(); - monochrome = ( ( im.depth() <= 8 ) && ( im.numColors() - int( im.hasAlphaBuffer() ) <= 2 ) ); - for (int i = 0; monochrome && i < im.numColors(); ++i) - if (im.colorTable()[i] != tqRgb(0xff, 0xff, 0xff) && - im.colorTable()[i] != tqRgb(0x00, 0x00, 0x00)) - monochrome = false; - if( (im.width() < 5 || im.height() < 5) && im.hasAlphaBuffer()) // only evaluate for small images - { - TQImage am = im.createAlphaMask(); - if(am.depth() == 1) - { - bool solid = false; - for(int y = 0; y < am.height(); y++) - for(int x = 0; x < am.width(); x++) - if(am.pixelIndex(x, y)) { - solid = true; - break; - } - isFullyTransparent = (!solid); - } - } - - // we have to delete our tiled bg variant here - // because the frame has changed (in order to keep it in sync) - delete bg; - bg = 0; - } - - if((status == TQMovie::EndOfMovie && (!m || m->frameNumber() <= 1)) || - ((status == TQMovie::EndOfLoop) && (m_showAnimations == KHTMLSettings::KAnimationLoopOnce)) || - ((status == TQMovie::EndOfFrame) && (m_showAnimations == KHTMLSettings::KAnimationDisabled)) - ) - { - if(imgSource) - { - setShowAnimations( KHTMLSettings::KAnimationDisabled ); - - // monochrome alphamasked images are usually about 10000 times - // faster to draw, so this is worth the hack - if (p && monochrome && p->depth() > 1) - { - TQPixmap* pix = new TQPixmap; - pix->convertFromImage( TQImage(p->convertToImage()).convertDepth( 1 ), MonoOnly|AvoidDither ); - if ( p->mask() ) - pix->setMask( *p->mask() ); - delete p; - p = pix; - monochrome = false; - } - } - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->notifyFinished( this ); - m_status = Cached; //all done - } - -#if 0 - if((status == TQMovie::EndOfFrame) || (status == TQMovie::EndOfMovie)) - { -#ifdef LOADER_DEBUG - TQRect r(valid_rect()); - tqDebug("movie Status frame update %d/%d/%d/%d, pixmap size %d/%d", r.x(), r.y(), r.right(), r.bottom(), - pixmap().size().width(), pixmap().size().height()); -#endif - do_notify(pixmap(), valid_rect()); - } -#endif -} - -void CachedImage::movieResize(const TQSize& /*s*/) -{ - do_notify(m->framePixmap(), TQRect()); -} - -void CachedImage::setShowAnimations( KHTMLSettings::KAnimationAdvice showAnimations ) -{ - m_showAnimations = showAnimations; - if ( (m_showAnimations == KHTMLSettings::KAnimationDisabled) && imgSource ) { - imgSource->cleanBuffer(); - delete p; - p = new TQPixmap(m->framePixmap()); - m->disconnectUpdate( this, TQT_SLOT( movieUpdated( const TQRect &) )); - m->disconnectStatus( this, TQT_SLOT( movieStatus( int ) )); - m->disconnectResize( this, TQT_SLOT( movieResize( const TQSize& ) ) ); - TQTimer::singleShot(0, this, TQT_SLOT( deleteMovie())); - imgSource = 0; - } -} - -void CachedImage::pauseAnimations() -{ - if ( m ) m->pause(); -} - -void CachedImage::resumeAnimations() -{ - if ( m ) m->unpause(); -} - - -void CachedImage::deleteMovie() -{ - delete m; m = 0; -} - -void CachedImage::clear() -{ - delete m; m = 0; - delete p; p = 0; - delete bg; bg = 0; - delete scaled; scaled = 0; - bgColor = tqRgba( 0, 0, 0, 0xff ); - bgSize = TQSize(-1,-1); - delete pixPart; pixPart = 0; - - formatType = 0; - typeChecked = false; - setSize(0); - - // No need to delete imageSource - TQMovie does it for us - imgSource = 0; -} - -void CachedImage::data ( TQBuffer &_buffer, bool eof ) -{ -#ifdef LOADER_DEBUG - kdDebug( 6060 ) << this << "in CachedImage::data(buffersize " << _buffer.buffer().size() <<", eof=" << eof << endl; -#endif - if ( !typeChecked ) - { - // don't attempt incremental loading if we have all the data already - if (!eof) - { - formatType = TQImageDecoder::formatName( (const uchar*)_buffer.buffer().data(), _buffer.size()); - if ( formatType && strcmp( formatType, "PNG" ) == 0 ) - formatType = 0; // Some png files contain multiple images, we want to show only the first one - } - - typeChecked = true; - - if ( formatType ) // movie format exists - { - imgSource = new ImageSource( _buffer.buffer()); - m = new TQMovie( imgSource, 8192 ); - m->connectUpdate( this, TQT_SLOT( movieUpdated( const TQRect &) )); - m->connectStatus( this, TQT_SLOT( movieStatus(int))); - m->connectResize( this, TQT_SLOT( movieResize( const TQSize& ) ) ); - } - } - - if ( imgSource ) - { - imgSource->setEOF(eof); - imgSource->maybeReady(); - } - - if(eof) - { - // TQMovie currently doesn't support all kinds of image formats - // so we need to use a TQPixmap here when we finished loading the complete - // picture and display it then all at once. - if(typeChecked && !formatType) - { -#ifdef CACHE_DEBUG - kdDebug(6060) << "CachedImage::data(): reloading as pixmap:" << endl; -#endif - p = new TQPixmap; - { - TQBuffer buffer(_buffer.buffer()); - buffer.open(IO_ReadOnly); - TQImageIO io( &buffer, 0 ); - io.setGamma(2.2); // hardcoded "reasonable value" - bool result = io.read(); - if (result) p->convertFromImage(io.image(), 0); - } - - // set size of image. -#ifdef CACHE_DEBUG - kdDebug(6060) << "CachedImage::data(): image is null: " << p->isNull() << endl; -#endif - if(p->isNull()) - { - m_hadError = true; - do_notify(pixmap(), TQRect(0, 0, 16, 16)); // load "broken image" icon - } - else - do_notify(*p, p->rect()); - - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->notifyFinished( this ); - m_status = Cached; //all done - } - } -} - -void CachedImage::finish() -{ - Status oldStatus = m_status; - CachedObject::finish(); - if ( oldStatus != m_status ) { - const TQPixmap &pm = pixmap(); - do_notify( pm, pm.rect() ); - } - TQSize s = pixmap_size(); - setSize( s.width() * s.height() * 2); -} - - -void CachedImage::error( int /*err*/, const char* /*text*/ ) -{ - clear(); - typeChecked = true; - m_hadError = true; - m_loading = false; - do_notify(pixmap(), TQRect(0, 0, 16, 16)); - for (TQPtrDictIterator<CachedObjectClient> it( m_clients ); it.current();) - it()->notifyFinished(this); -} - -// ------------------------------------------------------------------------------------------ - -Request::Request(DocLoader* dl, CachedObject *_object, bool _incremental) -{ - object = _object; - object->setRequest(this); - incremental = _incremental; - m_docLoader = dl; -} - -Request::~Request() -{ - object->setRequest(0); -} - -// ------------------------------------------------------------------------------------------ - -DocLoader::DocLoader(KHTMLPart* part, DocumentImpl* doc) -{ - m_cachePolicy = TDEIO::CC_Verify; - m_expireDate = 0; - m_creationDate = time(0); - m_bautoloadImages = true; - m_showAnimations = KHTMLSettings::KAnimationEnabled; - m_part = part; - m_doc = doc; - - Cache::docloader->append( this ); -} - -DocLoader::~DocLoader() -{ - Cache::loader()->cancelRequests( this ); - Cache::docloader->remove( this ); -} - -void DocLoader::setCacheCreationDate(time_t _creationDate) -{ - if (_creationDate) - m_creationDate = _creationDate; - else - m_creationDate = time(0); // Now -} - -void DocLoader::setExpireDate(time_t _expireDate, bool relative) -{ - if (relative) - m_expireDate = _expireDate + m_creationDate; // Relative date - else - m_expireDate = _expireDate; // Absolute date -#ifdef CACHE_DEBUG - kdDebug(6061) << "docLoader: " << m_expireDate - time(0) << " seconds left until reload required.\n"; -#endif -} - -void DocLoader::insertCachedObject( CachedObject* o ) const -{ - if ( m_docObjects.find(o) ) - return; - m_docObjects.insert( o, o ); - if ( m_docObjects.count() > 3 * m_docObjects.size() ) - m_docObjects.resize(khtml::nextSeed( m_docObjects.size() ) ); -} - -bool DocLoader::needReload(CachedObject *existing, const TQString& fullURL) -{ - bool reload = false; - if (m_cachePolicy == TDEIO::CC_Verify) - { - if (!m_reloadedURLs.contains(fullURL)) - { - if (existing && existing->isExpired()) - { - Cache::removeCacheEntry(existing); - m_reloadedURLs.append(fullURL); - reload = true; - } - } - } - else if ((m_cachePolicy == TDEIO::CC_Reload) || (m_cachePolicy == TDEIO::CC_Refresh)) - { - if (!m_reloadedURLs.contains(fullURL)) - { - if (existing) - { - Cache::removeCacheEntry(existing); - } - m_reloadedURLs.append(fullURL); - reload = true; - } - } - return reload; -} - -#define DOCLOADER_SECCHECK(doRedirectCheck) \ - KURL fullURL (m_doc->completeURL( url.string() )); \ - if ( !fullURL.isValid() || \ - ( m_part && m_part->onlyLocalReferences() && fullURL.protocol() != "file" && fullURL.protocol() != "data") || \ - doRedirectCheck && ( kapp && m_doc && !kapp->authorizeURLAction("redirect", m_doc->URL(), fullURL))) \ - return 0L; - -CachedImage *DocLoader::requestImage( const DOM::DOMString &url) -{ - DOCLOADER_SECCHECK(true); - - CachedImage* i = Cache::requestObject<CachedImage, CachedObject::Image>( this, fullURL, 0); - - if (i && i->status() == CachedObject::Unknown && autoloadImages()) - Cache::loader()->load(this, i, true); - - return i; -} - -CachedCSSStyleSheet *DocLoader::requestStyleSheet( const DOM::DOMString &url, const TQString& charset, - const char *accept, bool userSheet ) -{ - DOCLOADER_SECCHECK(!userSheet); - - CachedCSSStyleSheet* s = Cache::requestObject<CachedCSSStyleSheet, CachedObject::CSSStyleSheet>( this, fullURL, accept ); - if ( s && !charset.isEmpty() ) { - s->setCharsetHint( charset ); - } - return s; -} - -CachedScript *DocLoader::requestScript( const DOM::DOMString &url, const TQString& charset) -{ - DOCLOADER_SECCHECK(true); - if ( ! KHTMLFactory::defaultHTMLSettings()->isJavaScriptEnabled(fullURL.host()) || - KHTMLFactory::defaultHTMLSettings()->isAdFiltered(fullURL.url())) - return 0L; - - CachedScript* s = Cache::requestObject<CachedScript, CachedObject::Script>( this, fullURL, 0 ); - if ( s && !charset.isEmpty() ) - s->setCharset( charset ); - return s; -} - -#undef DOCLOADER_SECCHECK - -void DocLoader::setAutoloadImages( bool enable ) -{ - if ( enable == m_bautoloadImages ) - return; - - m_bautoloadImages = enable; - - if ( !m_bautoloadImages ) return; - - for ( TQPtrDictIterator<CachedObject> it( m_docObjects ); it.current(); ++it ) - if ( it.current()->type() == CachedObject::Image ) - { - CachedImage *img = const_cast<CachedImage*>( static_cast<const CachedImage *>( it.current()) ); - - CachedObject::Status status = img->status(); - if ( status != CachedObject::Unknown ) - continue; - - Cache::loader()->load(this, img, true); - } -} - -void DocLoader::setShowAnimations( KHTMLSettings::KAnimationAdvice showAnimations ) -{ - if ( showAnimations == m_showAnimations ) return; - m_showAnimations = showAnimations; - - for ( TQPtrDictIterator<CachedObject> it( m_docObjects ); it.current(); ++it ) - if ( it.current()->type() == CachedObject::Image ) - { - CachedImage *img = const_cast<CachedImage*>( static_cast<const CachedImage *>( it.current() ) ); - - img->setShowAnimations( m_showAnimations ); - } -} - -void DocLoader::pauseAnimations() -{ - for ( TQPtrDictIterator<CachedObject> it( m_docObjects ); it.current(); ++it ) - if ( it.current()->type() == CachedObject::Image ) - { - CachedImage *img = const_cast<CachedImage*>( static_cast<const CachedImage *>( it.current() ) ); - - img->pauseAnimations(); - } -} - -void DocLoader::resumeAnimations() -{ - for ( TQPtrDictIterator<CachedObject> it( m_docObjects ); it.current(); ++it ) - if ( it.current()->type() == CachedObject::Image ) - { - CachedImage *img = const_cast<CachedImage*>( static_cast<const CachedImage *>( it.current() ) ); - - img->resumeAnimations(); - } -} - -// ------------------------------------------------------------------------------------------ - -Loader::Loader() : TQObject() -{ - m_requestsPending.setAutoDelete( true ); - m_requestsLoading.setAutoDelete( true ); - connect(&m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT( servePendingRequests() ) ); -} - -void Loader::load(DocLoader* dl, CachedObject *object, bool incremental) -{ - Request *req = new Request(dl, object, incremental); - m_requestsPending.append(req); - - emit requestStarted( req->m_docLoader, req->object ); - - m_timer.start(0, true); -} - -void Loader::servePendingRequests() -{ - while ( (m_requestsPending.count() != 0) && (m_requestsLoading.count() < MAX_JOB_COUNT) ) - { - // get the first pending request - Request *req = m_requestsPending.take(0); - -#ifdef LOADER_DEBUG - kdDebug( 6060 ) << "starting Loader url=" << req->object->url().string() << endl; -#endif - - KURL u(req->object->url().string()); - TDEIO::TransferJob* job = TDEIO::get( u, false, false /*no GUI*/); - - job->addMetaData("cache", TDEIO::getCacheControlString(req->object->cachePolicy())); - if (!req->object->accept().isEmpty()) - job->addMetaData("accept", req->object->accept()); - if ( req->m_docLoader ) - { - job->addMetaData( "referrer", req->m_docLoader->doc()->URL().url() ); - - KHTMLPart *part = req->m_docLoader->part(); - if (part ) - { - job->addMetaData( "cross-domain", part->toplevelURL().url() ); - if (part->widget()) - job->setWindow (part->widget()->topLevelWidget()); - } - } - - connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ), this, TQT_SLOT( slotFinished( TDEIO::Job * ) ) ); - connect( job, TQT_SIGNAL( data( TDEIO::Job*, const TQByteArray &)), - TQT_SLOT( slotData( TDEIO::Job*, const TQByteArray &))); - - if ( req->object->schedule() ) - TDEIO::Scheduler::scheduleJob( job ); - - m_requestsLoading.insert(job, req); - } -} - -void Loader::slotFinished( TDEIO::Job* job ) -{ - Request *r = m_requestsLoading.take( job ); - TDEIO::TransferJob* j = static_cast<TDEIO::TransferJob*>(job); - - if ( !r ) - return; - - if (j->error() || j->isErrorPage()) - { -#ifdef LOADER_DEBUG - kdDebug(6060) << "Loader::slotFinished, with error. job->error()= " << j->error() << " job->isErrorPage()=" << j->isErrorPage() << endl; -#endif - r->object->error( job->error(), job->errorText().ascii() ); - emit requestFailed( r->m_docLoader, r->object ); - } - else - { - TQString cs = j->queryMetaData("charset"); - if (!cs.isEmpty()) r->object->setCharset(cs); - r->object->data(r->m_buffer, true); - emit requestDone( r->m_docLoader, r->object ); - time_t expireDate = j->queryMetaData("expire-date").toLong(); -#ifdef LOADER_DEBUG - kdDebug(6060) << "Loader::slotFinished, url = " << j->url().url() << endl; -#endif - r->object->setExpireDate( expireDate ); - - if ( r->object->type() == CachedObject::Image ) { - TQString fn = j->queryMetaData("content-disposition"); - static_cast<CachedImage*>( r->object )->setSuggestedFilename(fn); -#ifdef IMAGE_TITLES - static_cast<CachedImage*>( r->object )->setSuggestedTitle(fn); - KTempFile tf; - tf.setAutoDelete(true); - tf.file()->writeBlock((const char*)r->m_buffer.buffer().data(), r->m_buffer.size()); - tf.sync(); - KFileMetaInfo kfmi(tf.name()); - if (!kfmi.isEmpty()) { - KFileMetaInfoItem i = kfmi.item("Name"); - if (i.isValid()) { - static_cast<CachedImage*>(r->object)->setSuggestedTitle(i.string()); - } else { - i = kfmi.item("Title"); - if (i.isValid()) { - static_cast<CachedImage*>(r->object)->setSuggestedTitle(i.string()); - } - } - } -#endif - } - } - - r->object->finish(); - -#ifdef LOADER_DEBUG - kdDebug( 6060 ) << "Loader:: JOB FINISHED " << r->object << ": " << r->object->url().string() << endl; -#endif - - delete r; - - if ( (m_requestsPending.count() != 0) && (m_requestsLoading.count() < MAX_JOB_COUNT / 2) ) - m_timer.start(0, true); -} - -void Loader::slotData( TDEIO::Job*job, const TQByteArray &data ) -{ - Request *r = m_requestsLoading[job]; - if(!r) { - kdDebug( 6060 ) << "got data for unknown request!" << endl; - return; - } - - if ( !r->m_buffer.isOpen() ) - r->m_buffer.open( IO_WriteOnly ); - - r->m_buffer.writeBlock( data.data(), data.size() ); - - if(r->incremental) - r->object->data( r->m_buffer, false ); -} - -int Loader::numRequests( DocLoader* dl ) const -{ - int res = 0; - - TQPtrListIterator<Request> pIt( m_requestsPending ); - for (; pIt.current(); ++pIt ) - if ( pIt.current()->m_docLoader == dl ) - res++; - - TQPtrDictIterator<Request> lIt( m_requestsLoading ); - for (; lIt.current(); ++lIt ) - if ( lIt.current()->m_docLoader == dl ) - res++; - - return res; -} - -void Loader::cancelRequests( DocLoader* dl ) -{ - TQPtrListIterator<Request> pIt( m_requestsPending ); - while ( pIt.current() ) { - if ( pIt.current()->m_docLoader == dl ) - { - CDEBUG << "canceling pending request for " << pIt.current()->object->url().string() << endl; - Cache::removeCacheEntry( pIt.current()->object ); - m_requestsPending.remove( pIt ); - } - else - ++pIt; - } - - //kdDebug( 6060 ) << "got " << m_requestsLoading.count() << "loading requests" << endl; - - TQPtrDictIterator<Request> lIt( m_requestsLoading ); - while ( lIt.current() ) - { - if ( lIt.current()->m_docLoader == dl ) - { - //kdDebug( 6060 ) << "canceling loading request for " << lIt.current()->object->url().string() << endl; - TDEIO::Job *job = static_cast<TDEIO::Job *>( lIt.currentKey() ); - Cache::removeCacheEntry( lIt.current()->object ); - m_requestsLoading.remove( lIt.currentKey() ); - job->kill(); - //emit requestFailed( dl, pIt.current()->object ); - } - else - ++lIt; - } -} - -TDEIO::Job *Loader::jobForRequest( const DOM::DOMString &url ) const -{ - TQPtrDictIterator<Request> it( m_requestsLoading ); - - for (; it.current(); ++it ) - { - CachedObject *obj = it.current()->object; - - if ( obj && obj->url() == url ) - return static_cast<TDEIO::Job *>( it.currentKey() ); - } - - return 0; -} - -// ---------------------------------------------------------------------------- - - -TQDict<CachedObject> *Cache::cache = 0; -TQPtrList<DocLoader>* Cache::docloader = 0; -TQPtrList<CachedObject> *Cache::freeList = 0; -Loader *Cache::m_loader = 0; - -int Cache::maxSize = DEFCACHESIZE; -int Cache::totalSizeOfLRU; - -TQPixmap *Cache::nullPixmap = 0; -TQPixmap *Cache::brokenPixmap = 0; -TQPixmap *Cache::blockedPixmap = 0; - -void Cache::init() -{ - if ( !cache ) - cache = new TQDict<CachedObject>(401, true); - - if ( !docloader ) - docloader = new TQPtrList<DocLoader>; - - if ( !nullPixmap ) - nullPixmap = new TQPixmap; - - if ( !brokenPixmap ) - brokenPixmap = new TQPixmap(KHTMLFactory::instance()->iconLoader()->loadIcon("file_broken", KIcon::Desktop, 16, KIcon::DisabledState)); - - if ( !blockedPixmap ) { - blockedPixmap = new TQPixmap(); - blockedPixmap->loadFromData(blocked_icon_data, blocked_icon_len); - } - - if ( !m_loader ) - m_loader = new Loader(); - - if ( !freeList ) { - freeList = new TQPtrList<CachedObject>; - freeList->setAutoDelete(true); - } -} - -void Cache::clear() -{ - if ( !cache ) return; -#ifdef CACHE_DEBUG - kdDebug( 6060 ) << "Cache: CLEAR!" << endl; - statistics(); -#endif - cache->setAutoDelete( true ); - -#ifndef NDEBUG - bool crash = false; - for (TQDictIterator<CachedObject> it(*cache); it.current(); ++it) { - if (!it.current()->canDelete()) { - kdDebug( 6060 ) << " Object in cache still linked to" << endl; - kdDebug( 6060 ) << " -> URL: " << it.current()->url() << endl; - kdDebug( 6060 ) << " -> #clients: " << it.current()->count() << endl; - crash = true; -// assert(it.current()->canDelete()); - } - } - for (freeList->first(); freeList->current(); freeList->next()) { - if (!freeList->current()->canDelete()) { - kdDebug( 6060 ) << " Object in freelist still linked to" << endl; - kdDebug( 6060 ) << " -> URL: " << freeList->current()->url() << endl; - kdDebug( 6060 ) << " -> #clients: " << freeList->current()->count() << endl; - crash = true; - /* - TQPtrDictIterator<CachedObjectClient> it(freeList->current()->m_clients); - for(;it.current(); ++it) { - if (dynamic_cast<RenderObject*>(it.current())) { - kdDebug( 6060 ) << " --> RenderObject" << endl; - } else - kdDebug( 6060 ) << " --> Something else" << endl; - }*/ - } -// assert(freeList->current()->canDelete()); - } - assert(!crash); -#endif - - delete cache; cache = 0; - delete nullPixmap; nullPixmap = 0; - delete brokenPixmap; brokenPixmap = 0; - delete blockedPixmap; blockedPixmap = 0; - delete m_loader; m_loader = 0; - delete docloader; docloader = 0; - delete freeList; freeList = 0; -} - -template<typename CachedObjectType, enum CachedObject::Type CachedType> -CachedObjectType* Cache::requestObject( DocLoader* dl, const KURL& kurl, const char* accept ) -{ - TDEIO::CacheControl cachePolicy = dl ? dl->cachePolicy() : TDEIO::CC_Verify; - - TQString url = kurl.url(); - CachedObject* o = cache->find(url); - - if ( o && o->type() != CachedType ) { - removeCacheEntry( o ); - o = 0; - } - - if ( o && dl->needReload( o, url ) ) { - o = 0; - assert( cache->find( url ) == 0 ); - } - - if(!o) - { -#ifdef CACHE_DEBUG - kdDebug( 6060 ) << "Cache: new: " << kurl.url() << endl; -#endif - CachedObjectType* cot = new CachedObjectType(dl, url, cachePolicy, accept); - cache->insert( url, cot ); - if ( cot->allowInLRUList() ) - insertInLRUList( cot ); - o = cot; - } -#ifdef CACHE_DEBUG - else { - kdDebug( 6060 ) << "Cache: using pending/cached: " << kurl.url() << endl; - } -#endif - - - dl->insertCachedObject( o ); - - return static_cast<CachedObjectType *>(o); -} - -void Cache::preloadStyleSheet( const TQString &url, const TQString &stylesheet_data) -{ - CachedObject *o = cache->find(url); - if(o) - removeCacheEntry(o); - - CachedCSSStyleSheet *stylesheet = new CachedCSSStyleSheet(url, stylesheet_data); - cache->insert( url, stylesheet ); -} - -void Cache::preloadScript( const TQString &url, const TQString &script_data) -{ - CachedObject *o = cache->find(url); - if(o) - removeCacheEntry(o); - - CachedScript *script = new CachedScript(url, script_data); - cache->insert( url, script ); -} - -void Cache::flush(bool force) -{ - init(); - - if ( force || totalSizeOfLRU > maxSize + maxSize/4) { - for ( int i = MAX_LRU_LISTS-1; i >= 0 && totalSizeOfLRU > maxSize; --i ) - while ( totalSizeOfLRU > maxSize && m_LRULists[i].m_tail ) - removeCacheEntry( m_LRULists[i].m_tail ); - -#ifdef CACHE_DEBUG - statistics(); -#endif - } - - for ( freeList->first(); freeList->current(); ) { - CachedObject* p = freeList->current(); - if ( p->canDelete() ) - freeList->remove(); - else - freeList->next(); - } - -} - -void Cache::setSize( int bytes ) -{ - maxSize = bytes; - flush(true /* force */); -} - -void Cache::statistics() -{ - CachedObject *o; - // this function is for debugging purposes only - init(); - - int size = 0; - int msize = 0; - int movie = 0; - int images = 0; - int scripts = 0; - int stylesheets = 0; - TQDictIterator<CachedObject> it(*cache); - for(it.toFirst(); it.current(); ++it) - { - o = it.current(); - switch(o->type()) { - case CachedObject::Image: - { - CachedImage *im = static_cast<CachedImage *>(o); - images++; - if(im->m != 0) - { - movie++; - msize += im->size(); - } - break; - } - case CachedObject::CSSStyleSheet: - stylesheets++; - break; - case CachedObject::Script: - scripts++; - break; - } - size += o->size(); - } - size /= 1024; - - kdDebug( 6060 ) << "------------------------- image cache statistics -------------------" << endl; - kdDebug( 6060 ) << "Number of items in cache: " << cache->count() << endl; - kdDebug( 6060 ) << "Number of cached images: " << images << endl; - kdDebug( 6060 ) << "Number of cached movies: " << movie << endl; - kdDebug( 6060 ) << "Number of cached scripts: " << scripts << endl; - kdDebug( 6060 ) << "Number of cached stylesheets: " << stylesheets << endl; - kdDebug( 6060 ) << "pixmaps: allocated space approx. " << size << " kB" << endl; - kdDebug( 6060 ) << "movies : allocated space approx. " << msize/1024 << " kB" << endl; - kdDebug( 6060 ) << "--------------------------------------------------------------------" << endl; -} - -void Cache::removeCacheEntry( CachedObject *object ) -{ - TQString key = object->url().string(); - - cache->remove( key ); - removeFromLRUList( object ); - - for (const DocLoader* dl=docloader->first(); dl; dl=docloader->next() ) - dl->removeCachedObject( object ); - - if ( !object->free() ) { - Cache::freeList->append( object ); - object->m_free = true; - } -} - -static inline int FastLog2(unsigned int j) -{ - unsigned int log2; - log2 = 0; - if (j & (j-1)) - log2 += 1; - if (j >> 16) - log2 += 16, j >>= 16; - if (j >> 8) - log2 += 8, j >>= 8; - if (j >> 4) - log2 += 4, j >>= 4; - if (j >> 2) - log2 += 2, j >>= 2; - if (j >> 1) - log2 += 1; - - return log2; -} - -static LRUList* getLRUListFor(CachedObject* o) -{ - int accessCount = o->accessCount(); - int queueIndex; - if (accessCount == 0) { - queueIndex = 0; - } else { - int sizeLog = FastLog2(o->size()); - queueIndex = sizeLog/o->accessCount() - 1; - if (queueIndex < 0) - queueIndex = 0; - if (queueIndex >= MAX_LRU_LISTS) - queueIndex = MAX_LRU_LISTS-1; - } - return &m_LRULists[queueIndex]; -} - -void Cache::removeFromLRUList(CachedObject *object) -{ - CachedObject *next = object->m_next; - CachedObject *prev = object->m_prev; - - LRUList* list = getLRUListFor(object); - CachedObject *&head = getLRUListFor(object)->m_head; - - if (next == 0 && prev == 0 && head != object) { - return; - } - - object->m_next = 0; - object->m_prev = 0; - - if (next) - next->m_prev = prev; - else if (list->m_tail == object) - list->m_tail = prev; - - if (prev) - prev->m_next = next; - else if (head == object) - head = next; - - totalSizeOfLRU -= object->size(); -} - -void Cache::insertInLRUList(CachedObject *object) -{ - removeFromLRUList(object); - - assert( object ); - assert( !object->free() ); - assert( object->canDelete() ); - assert( object->allowInLRUList() ); - - LRUList* list = getLRUListFor(object); - - CachedObject *&head = list->m_head; - - object->m_next = head; - if (head) - head->m_prev = object; - head = object; - - if (object->m_next == 0) - list->m_tail = object; - - totalSizeOfLRU += object->size(); -} - -// -------------------------------------- - -void CachedObjectClient::setPixmap(const TQPixmap &, const TQRect&, CachedImage *) {} -void CachedObjectClient::setStyleSheet(const DOM::DOMString &/*url*/, const DOM::DOMString &/*sheet*/, const DOM::DOMString &/*charset*/) {} -void CachedObjectClient::notifyFinished(CachedObject * /*finishedObj*/) {} -void CachedObjectClient::error(int /*err*/, const TQString &/*text*/) {} - -#undef CDEBUG - -#include "loader.moc" |