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articleview.cc
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/* This file is (c) 2008-2012 Konstantin Isakov <[email protected]>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "articleview.hh"
#include "externalviewer.hh"
#include <map>
#include <QMessageBox>
#include <QWebHitTestResult>
#include <QMenu>
#include <QDesktopServices>
#include <QWebHistory>
#include <QClipboard>
#include <QKeyEvent>
#include <QFileDialog>
#include "folding.hh"
#include "wstring_qt.hh"
#include "webmultimediadownload.hh"
#include "programs.hh"
#include "dprintf.hh"
#include "ffmpegaudio.hh"
#include <QDebug>
#include <QWebElement>
#include <QCryptographicHash>
#include <assert.h>
#ifdef Q_OS_WIN32
#include <windows.h>
#include <QPainter>
#endif
#include <QBuffer>
#if defined( Q_OS_WIN32 ) || defined( Q_OS_MACX )
#include "speechclient.hh"
#endif
using std::map;
using std::list;
static QVariant evaluateJavaScriptVariableSafe( QWebFrame * frame, const QString & variable )
{
return frame->evaluateJavaScript(
QString( "( typeof( %1 ) !== 'undefined' && %1 !== undefined ) ? %1 : null;" )
.arg( variable ) );
}
ArticleView::ArticleView( QWidget * parent, ArticleNetworkAccessManager & nm,
std::vector< sptr< Dictionary::Class > > const & allDictionaries_,
Instances::Groups const & groups_, bool popupView_,
Config::Class const & cfg_,
QAction * dictionaryBarToggled_,
GroupComboBox const * groupComboBox_ ):
QFrame( parent ),
articleNetMgr( nm ),
allDictionaries( allDictionaries_ ),
groups( groups_ ),
popupView( popupView_ ),
cfg( cfg_ ),
pasteAction( this ),
articleUpAction( this ),
articleDownAction( this ),
goBackAction( this ),
goForwardAction( this ),
openSearchAction( this ),
selectCurrentArticleAction( this ),
copyAsTextAction( this ),
inspectAction( this ),
searchIsOpened( false ),
dictionaryBarToggled( dictionaryBarToggled_ ),
groupComboBox( groupComboBox_ )
{
ui.setupUi( this );
ui.definition->setUp( const_cast< Config::Class * >( &cfg ) );
goBackAction.setShortcut( QKeySequence( "Alt+Left" ) );
ui.definition->addAction( &goBackAction );
connect( &goBackAction, SIGNAL( triggered() ),
this, SLOT( back() ) );
goForwardAction.setShortcut( QKeySequence( "Alt+Right" ) );
ui.definition->addAction( &goForwardAction );
connect( &goForwardAction, SIGNAL( triggered() ),
this, SLOT( forward() ) );
ui.definition->pageAction( QWebPage::Copy )->setShortcut( QKeySequence::Copy );
ui.definition->addAction( ui.definition->pageAction( QWebPage::Copy ) );
QAction * selectAll = ui.definition->pageAction( QWebPage::SelectAll );
selectAll->setShortcut( QKeySequence::SelectAll );
selectAll->setShortcutContext( Qt::WidgetWithChildrenShortcut );
ui.definition->addAction( selectAll );
ui.definition->setContextMenuPolicy( Qt::CustomContextMenu );
ui.definition->page()->setLinkDelegationPolicy( QWebPage::DelegateAllLinks );
ui.definition->page()->setNetworkAccessManager( &articleNetMgr );
connect( ui.definition, SIGNAL( loadFinished( bool ) ),
this, SLOT( loadFinished( bool ) ) );
attachToJavaScript();
connect( ui.definition->page()->mainFrame(), SIGNAL( javaScriptWindowObjectCleared() ),
this, SLOT( attachToJavaScript() ) );
connect( ui.definition, SIGNAL( titleChanged( QString const & ) ),
this, SLOT( handleTitleChanged( QString const & ) ) );
connect( ui.definition, SIGNAL( urlChanged( QUrl const & ) ),
this, SLOT( handleUrlChanged( QUrl const & ) ) );
connect( ui.definition, SIGNAL( customContextMenuRequested( QPoint const & ) ),
this, SLOT( contextMenuRequested( QPoint const & ) ) );
connect( ui.definition, SIGNAL( linkClicked( QUrl const & ) ),
this, SLOT( linkClicked( QUrl const & ) ) );
connect( ui.definition->page(), SIGNAL( linkHovered ( const QString &, const QString &, const QString & ) ),
this, SLOT( linkHovered ( const QString &, const QString &, const QString & ) ) );
connect( ui.definition, SIGNAL(doubleClicked()),this,SLOT(doubleClicked()) );
pasteAction.setShortcut( QKeySequence::Paste );
ui.definition->addAction( &pasteAction );
connect( &pasteAction, SIGNAL( triggered() ), this, SLOT( pasteTriggered() ) );
articleUpAction.setShortcut( QKeySequence( "Alt+Up" ) );
ui.definition->addAction( &articleUpAction );
connect( &articleUpAction, SIGNAL( triggered() ), this, SLOT( moveOneArticleUp() ) );
articleDownAction.setShortcut( QKeySequence( "Alt+Down" ) );
ui.definition->addAction( &articleDownAction );
connect( &articleDownAction, SIGNAL( triggered() ), this, SLOT( moveOneArticleDown() ) );
openSearchAction.setShortcut( QKeySequence( "Ctrl+F" ) );
ui.definition->addAction( &openSearchAction );
connect( &openSearchAction, SIGNAL( triggered() ), this, SLOT( openSearch() ) );
selectCurrentArticleAction.setShortcut( QKeySequence( "Ctrl+Shift+A" ));
selectCurrentArticleAction.setText( tr( "Select Current Article" ) );
ui.definition->addAction( &selectCurrentArticleAction );
connect( &selectCurrentArticleAction, SIGNAL( triggered() ),
this, SLOT( selectCurrentArticle() ) );
copyAsTextAction.setShortcut( QKeySequence( "Ctrl+Shift+C" ) );
copyAsTextAction.setText( tr( "Copy as text" ) );
ui.definition->addAction( ©AsTextAction );
connect( ©AsTextAction, SIGNAL( triggered() ),
this, SLOT( copyAsText() ) );
inspectAction.setShortcut( QKeySequence( Qt::Key_F12 ) );
inspectAction.setText( tr( "Inspect" ) );
ui.definition->addAction( &inspectAction );
connect( &inspectAction, SIGNAL( triggered() ), this, SLOT( inspect() ) );
ui.definition->installEventFilter( this );
ui.searchFrame->installEventFilter( this );
// Load the default blank page instantly, so there would be no flicker.
QString contentType;
QUrl blankPage( "gdlookup://localhost?blank=1" );
sptr< Dictionary::DataRequest > r = articleNetMgr.getResource( blankPage,
contentType );
ui.definition->setHtml( QString::fromUtf8( &( r->getFullData().front() ),
r->getFullData().size() ),
blankPage );
expandOptionalParts = cfg.preferences.alwaysExpandOptionalParts;
}
// explicitly report the minimum size, to avoid
// sidebar widgets' improper resize during restore
QSize ArticleView::minimumSizeHint() const
{
return ui.searchFrame->minimumSizeHint();
}
void ArticleView::setGroupComboBox( GroupComboBox const * g )
{
groupComboBox = g;
}
ArticleView::~ArticleView()
{
cleanupTemp();
Ffmpeg::AudioPlayer::instance().stop();
}
void ArticleView::showDefinition( QString const & word, unsigned group,
QString const & scrollTo,
Contexts const & contexts )
{
// first, let's stop the player
Ffmpeg::AudioPlayer::instance().stop();
QUrl req;
req.setScheme( "gdlookup" );
req.setHost( "localhost" );
req.addQueryItem( "word", word );
req.addQueryItem( "group", QString::number( group ) );
if ( scrollTo.size() )
req.addQueryItem( "scrollto", scrollTo );
if ( contexts.size() )
{
QBuffer buf;
buf.open( QIODevice::WriteOnly );
QDataStream stream( &buf );
stream << contexts;
buf.close();
req.addQueryItem( "contexts", QString::fromLatin1( buf.buffer().toBase64() ) );
}
QString mutedDicts = getMutedForGroup( group );
if ( mutedDicts.size() )
req.addQueryItem( "muted", mutedDicts );
// Update both histories (pages history and headwords history)
saveHistoryUserData();
emit sendWordToHistory( word );
// Any search opened is probably irrelevant now
closeSearch();
// Clear highlight all button selection
ui.highlightAllButton->setChecked(false);
emit setExpandMode( expandOptionalParts );
ui.definition->load( req );
//QApplication::setOverrideCursor( Qt::WaitCursor );
ui.definition->setCursor( Qt::WaitCursor );
}
void ArticleView::showAnticipation()
{
ui.definition->setHtml( "" );
ui.definition->setCursor( Qt::WaitCursor );
//QApplication::setOverrideCursor( Qt::WaitCursor );
}
void ArticleView::loadFinished( bool )
{
QUrl url = ui.definition->url();
// See if we have any iframes in need of expansion
QList< QWebFrame * > frames = ui.definition->page()->mainFrame()->childFrames();
bool wereFrames = false;
for( QList< QWebFrame * >::iterator i = frames.begin(); i != frames.end(); ++i )
{
if ( (*i)->frameName().startsWith( "gdexpandframe-" ) )
{
//DPRINTF( "Name: %s\n", (*i)->frameName().toUtf8().data() );
//DPRINTF( "Size: %d\n", (*i)->contentsSize().height() );
//DPRINTF( ">>>>>>>>Height = %s\n", (*i)->evaluateJavaScript( "document.body.offsetHeight;" ).toString().toUtf8().data() );
// Set the height
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').height = %2;" ).
arg( (*i)->frameName() ).
arg( (*i)->contentsSize().height() ) );
// Show it
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').style.display = 'block';" ).
arg( (*i)->frameName() ) );
(*i)->evaluateJavaScript( "var gdLastUrlText;" );
(*i)->evaluateJavaScript( "document.addEventListener( 'click', function() { gdLastUrlText = window.event.srcElement.textContent; }, true );" );
(*i)->evaluateJavaScript( "document.addEventListener( 'contextmenu', function() { gdLastUrlText = window.event.srcElement.textContent; }, true );" );
wereFrames = true;
}
}
if ( wereFrames )
{
// There's some sort of glitch -- sometimes you need to move a mouse
QMouseEvent ev( QEvent::MouseMove, QPoint(), Qt::MouseButton(), 0, 0 );
qApp->sendEvent( ui.definition, &ev );
}
QVariant userDataVariant = ui.definition->history()->currentItem().userData();
if ( userDataVariant.type() == QVariant::Map )
{
QMap< QString, QVariant > userData = userDataVariant.toMap();
QString currentArticle = userData.value( "currentArticle" ).toString();
if ( currentArticle.size() )
{
// There's an active article saved, so set it to be active.
setCurrentArticle( currentArticle );
}
double sx = 0, sy = 0;
if ( userData.value( "sx" ).type() == QVariant::Double )
sx = userData.value( "sx" ).toDouble();
if ( userData.value( "sy" ).type() == QVariant::Double )
sy = userData.value( "sy" ).toDouble();
if ( sx != 0 || sy != 0 )
{
// Restore scroll position
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "window.scroll( %1, %2 );" ).arg( sx ).arg( sy ) );
}
}
else
if ( url.queryItemValue( "scrollto" ).startsWith( "gdfrom-" ) )
{
// There is no active article saved in history, but we have it as a parameter.
// setCurrentArticle will save it and scroll there.
setCurrentArticle( url.queryItemValue( "scrollto" ), true );
}
ui.definition->unsetCursor();
//QApplication::restoreOverrideCursor();
// Expand collapsed article if only one loaded
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "gdCheckArticlesNumber();" ) );
// Jump to current article after page reloading
if( !articleToJump.isEmpty() )
{
setCurrentArticle( articleToJump, true );
articleToJump.clear();
}
emit pageLoaded( this );
}
void ArticleView::handleTitleChanged( QString const & title )
{
emit titleChanged( this, title );
}
void ArticleView::handleUrlChanged( QUrl const & url )
{
QIcon icon;
unsigned group = getGroup( url );
if ( group )
{
// Find the group's instance corresponding to the fragment value
for( unsigned x = 0; x < groups.size(); ++x )
if ( groups[ x ].id == group )
{
// Found it
icon = groups[ x ].makeIcon();
break;
}
}
emit iconChanged( this, icon );
}
unsigned ArticleView::getGroup( QUrl const & url )
{
if ( url.scheme() == "gdlookup" && url.hasQueryItem( "group" ) )
return url.queryItemValue( "group" ).toUInt();
return 0;
}
QStringList ArticleView::getArticlesList()
{
return evaluateJavaScriptVariableSafe( ui.definition->page()->mainFrame(), "gdArticleContents" )
.toString().trimmed().split( ' ', QString::SkipEmptyParts );
}
QString ArticleView::getActiveArticleId()
{
QString currentArticle = getCurrentArticle();
if ( !currentArticle.startsWith( "gdfrom-" ) )
return QString(); // Incorrect id
return currentArticle.mid( 7 );
}
QString ArticleView::getCurrentArticle()
{
QVariant v = evaluateJavaScriptVariableSafe( ui.definition->page()->mainFrame(), "gdCurrentArticle" );
if ( v.type() == QVariant::String )
return v.toString();
else
return QString();
}
void ArticleView::jumpToDictionary( QString const & id, bool force )
{
QString targetArticle = "gdfrom-" + id;
// jump only if neceessary, or when forced
if ( force || targetArticle != getCurrentArticle() )
{
setCurrentArticle( targetArticle, true );
}
}
void ArticleView::setCurrentArticle( QString const & id, bool moveToIt )
{
if ( !id.startsWith( "gdfrom-" ) )
return; // Incorrect id
if ( getArticlesList().contains( id.mid( 7 ) ) )
{
if ( moveToIt )
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').scrollIntoView(true);" ).arg( id ) );
QMap< QString, QVariant > userData = ui.definition->history()->
currentItem().userData().toMap();
userData[ "currentArticle" ] = id;
ui.definition->history()->currentItem().setUserData( userData );
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdMakeArticleActive( '%1' );" ).arg( id.mid( 7 ) ) );
}
}
void ArticleView::selectCurrentArticle()
{
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdSelectArticle( '%1' );" ).arg( getActiveArticleId() ) );
}
bool ArticleView::isFramedArticle( QString const & ca )
{
if ( ca.isEmpty() )
return false;
return ui.definition->page()->mainFrame()->
evaluateJavaScript( QString( "!!document.getElementById('gdexpandframe-%1');" ).arg( ca.mid( 7 ) ) ).toBool();
}
bool ArticleView::isExternalLink( QUrl const & url )
{
return url.scheme() == "http" || url.scheme() == "https" ||
url.scheme() == "ftp" || url.scheme() == "mailto" ||
url.scheme() == "file";
}
void ArticleView::tryMangleWebsiteClickedUrl( QUrl & url, Contexts & contexts )
{
// Don't try mangling audio urls, even if they are from the framed websites
if( ( url.scheme() == "http" || url.scheme() == "https" )
&& ! Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
// Maybe a link inside a website was clicked?
QString ca = getCurrentArticle();
if ( isFramedArticle( ca ) )
{
QVariant result = evaluateJavaScriptVariableSafe( ui.definition->page()->currentFrame(), "gdLastUrlText" );
if ( result.type() == QVariant::String )
{
// Looks this way
contexts[ ca.mid( 7 ) ] = QString::fromLatin1( url.toEncoded() );
QUrl target;
QString queryWord = result.toString();
// Empty requests are treated as no request, so we work this around by
// adding a space.
if ( queryWord.isEmpty() )
queryWord = " ";
target.setScheme( "gdlookup" );
target.setHost( "localhost" );
target.setPath( "/" + queryWord );
url = target;
}
}
}
}
void ArticleView::updateCurrentArticleFromCurrentFrame( QWebFrame * frame )
{
if ( !frame )
frame = ui.definition->page()->currentFrame();
for( ; frame; frame = frame->parentFrame() )
{
QString frameName = frame->frameName();
if ( frameName.startsWith( "gdexpandframe-" ) )
{
QString newCurrent = "gdfrom-" + frameName.mid( 14 );
if ( getCurrentArticle() != newCurrent )
setCurrentArticle( newCurrent, false );
break;
}
}
}
void ArticleView::saveHistoryUserData()
{
QMap< QString, QVariant > userData = ui.definition->history()->
currentItem().userData().toMap();
// Save current article, which can be empty
userData[ "currentArticle" ] = getCurrentArticle();
// We also save window position. We restore it when the page is fully loaded,
// when any hidden frames are expanded.
userData[ "sx" ] = ui.definition->page()->mainFrame()->evaluateJavaScript( "window.scrollX;" ).toDouble();
userData[ "sy" ] = ui.definition->page()->mainFrame()->evaluateJavaScript( "window.scrollY;" ).toDouble();
ui.definition->history()->currentItem().setUserData( userData );
}
void ArticleView::cleanupTemp()
{
if ( desktopOpenedTempFile.size() )
{
QFile( desktopOpenedTempFile ).remove();
desktopOpenedTempFile.clear();
}
}
bool ArticleView::handleF3( QObject * /*obj*/, QEvent * ev )
{
if ( ev->type() == QEvent::ShortcutOverride ) {
QKeyEvent * ke = static_cast<QKeyEvent *>( ev );
if ( ke->key() == Qt::Key_F3 && isSearchOpened() ) {
if ( !ke->modifiers() )
{
on_searchNext_clicked();
ev->accept();
return true;
}
if ( ke->modifiers() == Qt::ShiftModifier )
{
on_searchPrevious_clicked();
ev->accept();
return true;
}
}
}
return false;
}
bool ArticleView::eventFilter( QObject * obj, QEvent * ev )
{
if ( handleF3( obj, ev ) )
{
return true;
}
if ( obj == ui.definition )
{
if ( ev->type() == QEvent::MouseButtonPress ) {
QMouseEvent * event = static_cast< QMouseEvent * >( ev );
if ( event->button() == Qt::XButton1 ) {
back();
return true;
}
if ( event->button() == Qt::XButton2 ) {
forward();
return true;
}
}
else
if ( ev->type() == QEvent::KeyPress )
{
QKeyEvent * keyEvent = static_cast< QKeyEvent * >( ev );
if ( keyEvent->modifiers() &
( Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier ) )
return false; // A non-typing modifier is pressed
if ( keyEvent->key() == Qt::Key_Space ||
keyEvent->key() == Qt::Key_Backspace ||
keyEvent->key() == Qt::Key_Tab ||
keyEvent->key() == Qt::Key_Backtab )
return false; // Those key have other uses than to start typing
QString text = keyEvent->text();
if ( text.size() )
{
emit typingEvent( text );
return true;
}
}
}
else
return QFrame::eventFilter( obj, ev );
return false;
}
QString ArticleView::getMutedForGroup( unsigned group )
{
if ( dictionaryBarToggled && dictionaryBarToggled->isChecked() )
{
// Dictionary bar is active -- mute the muted dictionaries
Instances::Group const * groupInstance = groups.findGroup( group );
// Find muted dictionaries for current group
Config::Group const * grp = cfg.getGroup( group );
Config::MutedDictionaries const * mutedDictionaries;
if( group == Instances::Group::AllGroupId )
mutedDictionaries = popupView ? &cfg.popupMutedDictionaries : &cfg.mutedDictionaries;
else
mutedDictionaries = grp ? ( popupView ? &grp->popupMutedDictionaries : &grp->mutedDictionaries ) : 0;
if( !mutedDictionaries )
return QString();
QStringList mutedDicts;
if ( groupInstance )
{
for( unsigned x = 0; x < groupInstance->dictionaries.size(); ++x )
{
QString id = QString::fromStdString(
groupInstance->dictionaries[ x ]->getId() );
if ( mutedDictionaries->contains( id ) )
mutedDicts.append( id );
}
}
if ( mutedDicts.size() )
return mutedDicts.join( "," );
}
return QString();
}
void ArticleView::linkHovered ( const QString & link, const QString & , const QString & )
{
QString msg;
QUrl url(link);
if ( url.scheme() == "bres" )
{
msg = tr( "Resource" );
}
else
if ( url.scheme() == "gdau" || Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
msg = tr( "Audio" );
}
else
if ( url.scheme() == "gdtts" )
{
msg = tr( "TTS Voice" );
}
else
if ( url.scheme() == "gdpicture" )
{
msg = tr( "Picture" );
}
else
if ( url.scheme() == "gdvideo" )
{
if ( url.path().isEmpty() )
{
msg = tr( "Video" );
}
else
{
QString path = url.path();
if ( path.startsWith( '/' ) )
{
path = path.mid( 1 );
}
msg = tr( "Video: %1" ).arg( path );
}
}
else
if (url.scheme() == "gdlookup" || url.scheme().compare( "bword" ) == 0)
{
QString def = url.path();
if (def.startsWith("/"))
{
def = def.mid( 1 );
}
if( url.hasQueryItem( "dict" ) )
{
// Link to other dictionary
QString dictName( url.queryItemValue( "dict" ) );
if( !dictName.isEmpty() )
msg = tr( "Definition from dictionary \"%1\": %2" ).arg( dictName ).arg( def );
}
if( msg.isEmpty() )
msg = tr( "Definition: %1").arg( def );
}
else
{
msg = link;
}
emit statusBarMessage( msg );
}
void ArticleView::attachToJavaScript()
{
ui.definition->page()->mainFrame()->addToJavaScriptWindowObject( QString( "articleview" ), this );
}
void ArticleView::linkClicked( QUrl const & url_ )
{
updateCurrentArticleFromCurrentFrame();
QUrl url( url_ );
Contexts contexts;
tryMangleWebsiteClickedUrl( url, contexts );
Qt::KeyboardModifiers kmod = QApplication::keyboardModifiers();
if ( !popupView &&
( ui.definition->isMidButtonPressed() ||
( kmod & ( Qt::ControlModifier | Qt::ShiftModifier ) ) ) )
{
// Mid button or Control/Shift is currently pressed - open the link in new tab
emit openLinkInNewTab( url, ui.definition->url(), getCurrentArticle(), contexts );
}
else
openLink( url, ui.definition->url(), getCurrentArticle(), contexts );
}
void ArticleView::openLink( QUrl const & url, QUrl const & ref,
QString const & scrollTo,
Contexts const & contexts )
{
qDebug() << "clicked" << url;
if( url.scheme().compare( "gdpicture" ) == 0 )
ui.definition->load( url );
else
if ( url.scheme().compare( "bword" ) == 0 )
{
showDefinition( url.path(),
getGroup( ref ), scrollTo, contexts );
}
else
if ( url.scheme() == "gdlookup" ) // Plain html links inherit gdlookup scheme
{
if ( url.hasFragment() )
{
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "window.location = \"%1\"" ).arg( QString::fromUtf8( url.toEncoded() ) ) );
}
else
{
QString newScrollTo( scrollTo );
if( url.hasQueryItem( "dict" ) )
{
// Link to other dictionary
QString dictName( url.queryItemValue( "dict" ) );
for( unsigned i = 0; i < allDictionaries.size(); i++ )
{
if( dictName.compare( QString::fromUtf8( allDictionaries[ i ]->getName().c_str() ) ) == 0 )
{
newScrollTo = QString( "gdfrom-" ) + QString::fromUtf8( allDictionaries[ i ]->getId().c_str() );
break;
}
}
}
showDefinition( url.path().mid( 1 ),
getGroup( ref ), newScrollTo, contexts );
}
}
else
if ( url.scheme() == "bres" || url.scheme() == "gdau" || url.scheme() == "gdvideo" ||
Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
// Download it
// Clear any pending ones
resourceDownloadRequests.clear();
resourceDownloadUrl = url;
if ( Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
sptr< Dictionary::DataRequest > req =
new Dictionary::WebMultimediaDownload( url, articleNetMgr );
resourceDownloadRequests.push_back( req );
connect( req.get(), SIGNAL( finished() ),
this, SLOT( resourceDownloadFinished() ) );
}
else
if ( url.scheme() == "gdau" && url.host() == "search" )
{
// Since searches should be limited to current group, we just do them
// here ourselves since otherwise we'd need to pass group id to netmgr
// and it should've been having knowledge of the current groups, too.
unsigned currentGroup = getGroup( ref );
std::vector< sptr< Dictionary::Class > > const * activeDicts = 0;
if ( groups.size() )
{
for( unsigned x = 0; x < groups.size(); ++x )
if ( groups[ x ].id == currentGroup )
{
activeDicts = &( groups[ x ].dictionaries );
break;
}
}
else
activeDicts = &allDictionaries;
if ( activeDicts )
for( unsigned x = 0; x < activeDicts->size(); ++x )
{
sptr< Dictionary::DataRequest > req =
(*activeDicts)[ x ]->getResource(
url.path().mid( 1 ).toUtf8().data() );
if ( req->isFinished() && req->dataSize() >= 0 )
{
// A request was instantly finished with success.
// If we've managed to spawn some lingering requests already,
// erase them.
resourceDownloadRequests.clear();
// Handle the result
resourceDownloadRequests.push_back( req );
resourceDownloadFinished();
return;
}
else
if ( !req->isFinished() )
{
resourceDownloadRequests.push_back( req );
connect( req.get(), SIGNAL( finished() ),
this, SLOT( resourceDownloadFinished() ) );
}
}
}
else
{
// Normal resource download
QString contentType;
sptr< Dictionary::DataRequest > req =
articleNetMgr.getResource( url, contentType );
if ( !req.get() )
{
// Request failed, fail
}
else
if ( req->isFinished() && req->dataSize() >= 0 )
{
// Have data ready, handle it
resourceDownloadRequests.push_back( req );
resourceDownloadFinished();
return;
}
else
if ( !req->isFinished() )
{
// Queue to be handled when done
resourceDownloadRequests.push_back( req );
connect( req.get(), SIGNAL( finished() ),
this, SLOT( resourceDownloadFinished() ) );
}
}
if ( resourceDownloadRequests.empty() ) // No requests were queued
{
QMessageBox::critical( this, "GoldenDict", tr( "The referenced resource doesn't exist." ) );
return;
}
else
resourceDownloadFinished(); // Check any requests finished already
}
else
if ( url.scheme() == "gdprg" )
{
// Program. Run it.
QString id( url.host() );
for( Config::Programs::const_iterator i = cfg.programs.begin();
i != cfg.programs.end(); ++i )
{
if ( i->id == id )
{
// Found the corresponding program.
Programs::RunInstance * req = new Programs::RunInstance;
connect( req, SIGNAL(finished(QByteArray,QString)),
req, SLOT( deleteLater() ) );
QString error;
// Delete the request if it fails to start
if ( !req->start( *i, url.path().mid( 1 ), error ) )
{
delete req;
QMessageBox::critical( this, "GoldenDict",
error );
}
return;
}
}
// Still here? No such program exists.
QMessageBox::critical( this, "GoldenDict",
tr( "The referenced audio program doesn't exist." ) );
}
else
if ( url.scheme() == "gdtts" )
{
// TODO: Port TTS
#if defined( Q_OS_WIN32 ) || defined( Q_OS_MACX )
// Text to speech
QString md5Id = url.queryItemValue( "engine" );
QString text( url.path().mid( 1 ) );
for ( Config::VoiceEngines::const_iterator i = cfg.voiceEngines.begin();
i != cfg.voiceEngines.end(); ++i )
{
QString itemMd5Id = QString( QCryptographicHash::hash(
i->id.toUtf8(),
QCryptographicHash::Md5 ).toHex() );
if ( itemMd5Id == md5Id )
{
SpeechClient * speechClient = new SpeechClient( *i, this );
connect( speechClient, SIGNAL( finished() ), speechClient, SLOT( deleteLater() ) );
speechClient->tell( text );
break;
}
}
#endif
}
else
if ( isExternalLink( url ) )
{
// Use the system handler for the conventional external links
QDesktopServices::openUrl( url );
}
}
vector< ResourceToSaveHandler * > ArticleView::saveResource( const QUrl & url, const QString & fileName )
{
return saveResource( url, ui.definition->url(), fileName );
}
vector< ResourceToSaveHandler * > ArticleView::saveResource( const QUrl & url, const QUrl & ref, const QString & fileName )
{