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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kmail/khtmlparthtmlwriter.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* -*- c++ -*-
+ khtmlparthtmlwriter.cpp
+
+ This file is part of KMail, the KDE mail client.
+ Copyright (c) 2003 Marc Mutz <mutz@kde.org>
+
+ KMail is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License, version 2, as
+ published by the Free Software Foundation.
+
+ KMail 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of this program with any edition of
+ the Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), and distribute linked
+ combinations including the two. You must obey the GNU General
+ Public License in all respects for all of the code used other than
+ Qt. If you modify this file, you may extend this exception to
+ your version of the file, but you are not obligated to do so. If
+ you do not wish to do so, delete this exception statement from
+ your version.
+*/
+
+#include <config.h>
+
+#include "khtmlparthtmlwriter.h"
+
+#include <kdebug.h>
+#include <khtml_part.h>
+#include <khtmlview.h>
+
+#include <dom/dom_string.h>
+#include <dom/html_document.h>
+#include <dom/html_image.h>
+#include <dom/html_misc.h>
+
+#include <cassert>
+
+namespace KMail {
+
+ KHtmlPartHtmlWriter::KHtmlPartHtmlWriter( KHTMLPart * part,
+ QObject * parent, const char * name )
+ : QObject( parent, name ), HtmlWriter(),
+ mHtmlPart( part ), mState( Ended ), mHtmlTimer( 0, "mHtmlTimer" )
+ {
+ assert( part );
+ connect( &mHtmlTimer, SIGNAL(timeout()), SLOT(slotWriteNextHtmlChunk()) );
+ }
+
+ KHtmlPartHtmlWriter::~KHtmlPartHtmlWriter() {
+
+ }
+
+ void KHtmlPartHtmlWriter::begin( const QString & css ) {
+ if ( mState != Ended ) {
+ kdWarning( 5006 ) << "KHtmlPartHtmlWriter: begin() called on non-ended session!" << endl;
+ reset();
+ }
+
+ mEmbeddedPartMap.clear();
+
+ // clear the widget:
+ mHtmlPart->view()->setUpdatesEnabled( false );
+ mHtmlPart->view()->viewport()->setUpdatesEnabled( false );
+ static_cast<QScrollView *>(mHtmlPart->widget())->ensureVisible( 0, 0 );
+
+ mHtmlPart->begin( KURL( "file:/" ) );
+ if ( !css.isEmpty() )
+ mHtmlPart->setUserStyleSheet( css );
+ mState = Begun;
+ }
+
+ void KHtmlPartHtmlWriter::end() {
+ kdWarning( mState != Begun, 5006 ) << "KHtmlPartHtmlWriter: end() called on non-begun or queued session!" << endl;
+ mHtmlPart->end();
+
+ resolveCidUrls();
+
+ mHtmlPart->view()->viewport()->setUpdatesEnabled( true );
+ mHtmlPart->view()->setUpdatesEnabled( true );
+ mHtmlPart->view()->viewport()->repaint( false );
+ mState = Ended;
+ }
+
+ void KHtmlPartHtmlWriter::reset() {
+ if ( mState != Ended ) {
+ mHtmlTimer.stop();
+ mHtmlQueue.clear();
+ mState = Begun; // don't run into end()'s warning
+ end();
+ }
+ mState = Ended;
+ }
+
+ void KHtmlPartHtmlWriter::write( const QString & str ) {
+ kdWarning( mState != Begun, 5006 ) << "KHtmlPartHtmlWriter: write() called in Ended or Queued state!" << endl;
+ mHtmlPart->write( str );
+ }
+
+ void KHtmlPartHtmlWriter::queue( const QString & str ) {
+ static const uint chunksize = 16384;
+ for ( uint pos = 0 ; pos < str.length() ; pos += chunksize )
+ mHtmlQueue.push_back( str.mid( pos, chunksize ) );
+ mState = Queued;
+ }
+
+ void KHtmlPartHtmlWriter::flush() {
+ slotWriteNextHtmlChunk();
+ }
+
+ void KHtmlPartHtmlWriter::slotWriteNextHtmlChunk() {
+ if ( mHtmlQueue.empty() ) {
+ mState = Begun; // don't run into end()'s warning
+ end();
+ } else {
+ mHtmlPart->write( mHtmlQueue.front() );
+ mHtmlQueue.pop_front();
+ mHtmlTimer.start( 0, true );
+ }
+ }
+
+ void KHtmlPartHtmlWriter::embedPart( const QCString & contentId,
+ const QString & contentURL ) {
+ mEmbeddedPartMap[QString(contentId)] = contentURL;
+ }
+
+ void KHtmlPartHtmlWriter::resolveCidUrls()
+ {
+ DOM::HTMLDocument document = mHtmlPart->htmlDocument();
+ DOM::HTMLCollection images = document.images();
+ for ( DOM::Node node = images.firstItem(); !node.isNull(); node = images.nextItem() ) {
+ DOM::HTMLImageElement image( node );
+ KURL url( image.src().string() );
+ if ( url.protocol() == "cid" ) {
+ EmbeddedPartMap::const_iterator it = mEmbeddedPartMap.find( url.path() );
+ if ( it != mEmbeddedPartMap.end() ) {
+ kdDebug(5006) << "Replacing " << url.prettyURL() << " by " << it.data() << endl;
+ image.setSrc( it.data() );
+ }
+ }
+ }
+ }
+
+} // namespace KMail
+
+#include "khtmlparthtmlwriter.moc"