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articleview.cc
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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 "folding.hh"
#include "wstring_qt.hh"
#include "webmultimediadownload.hh"
#include "programs.hh"
#include "dprintf.hh"
#include <QDebug>
#ifdef Q_OS_WIN32
#include <windows.h>
#include <mmsystem.h> // For PlaySound
#endif
#include <QBuffer>
// Phonon headers are a mess. How to include them properly? Send patches if you
// know.
#ifdef __WIN32
#include <Phonon/AudioOutput>
#include <Phonon/MediaObject>
#else
#include <phonon/audiooutput.h>
#include <phonon/mediaobject.h>
#endif
using std::map;
using std::list;
/// A phonon-based audio player, created on demand
struct AudioPlayer
{
Phonon::AudioOutput output;
Phonon::MediaObject object;
static AudioPlayer & instance();
private:
AudioPlayer();
};
AudioPlayer::AudioPlayer():
output( Phonon::AccessibilityCategory )
{
Phonon::createPath( &object, &output );
}
AudioPlayer & AudioPlayer::instance()
{
static AudioPlayer a;
return a;
}
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_,
Config::MutedDictionaries * mutedDictionaries_,
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 ),
searchIsOpened( false ),
dictionaryBarToggled( dictionaryBarToggled_ ),
mutedDictionaries( mutedDictionaries_ ),
groupComboBox( groupComboBox_ )
{
ui.setupUi( this );
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 ) );
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() ) );
ui.definition->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 );
}
void ArticleView::setGroupComboBox( GroupComboBox const * g )
{
groupComboBox = g;
}
ArticleView::~ArticleView()
{
cleanupTemp();
#ifdef Q_OS_WIN32
if ( winWavData.size() )
{
// If we were playing some sound some time ago, make sure it stopped
// playing before freeing the waveform memory.
PlaySoundA( 0, 0, 0 );
}
#endif
}
void ArticleView::showDefinition( QString const & word, unsigned group,
QString const & scrollTo,
Contexts const & contexts )
{
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::fromAscii( buf.buffer().toBase64() ) );
}
QString mutedDicts = getMutedForGroup( group );
if ( mutedDicts.size() )
req.addQueryItem( "muted", mutedDicts );
// Update history
saveHistoryUserData();
// Any search opened is probably irrelevant now
closeSearch();
// Clear highlight all button selection
ui.highlightAllButton->setChecked(false);
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();
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 ui.definition->page()->mainFrame()->
evaluateJavaScript( "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 = ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdCurrentArticle;" ) );
if ( v.type() == QVariant::String )
return v.toString();
else
return QString();
}
void ArticleView::jumpToDictionary(QString const & id)
{
QString targetArticle = "gdfrom-" + id;
// jump only if neceessary
if ( 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 ) ) );
}
}
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 = ui.definition->page()->currentFrame()->evaluateJavaScript( "gdLastUrlText;" );
if ( result.type() == QVariant::String )
{
// Looks this way
contexts[ ca.mid( 7 ) ] = QString::fromAscii( 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::eventFilter( QObject * obj, QEvent * ev )
{
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 && mutedDictionaries && dictionaryBarToggled->isChecked() )
{
// Dictionary bar is active -- mute the muted dictionaries
Instances::Group const * groupInstance = groups.findGroup( group );
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() == "gdlookup" || url.scheme().compare( "bword" ) == 0)
{
QString def = url.path();
if (def.startsWith("/"))
{
def = def.mid( 1 );
}
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( "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
showDefinition( url.path().mid( 1 ),
getGroup( ref ), scrollTo, contexts );
}
else
if ( url.scheme() == "bres" || url.scheme() == "gdau" ||
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() ) );
}
}
QString contentType;
if ( resourceDownloadRequests.empty() ) // No requests were queued
{
QMessageBox::critical( this, tr( "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, tr( "GoldenDict" ),
error );
}
return;
}
}
// Still here? No such program exists.
QMessageBox::critical( this, tr( "GoldenDict" ),
tr( "The referenced audio program doesn't exist." ) );
}
else
if ( isExternalLink( url ) )
{
// Use the system handler for the conventional external links
QDesktopServices::openUrl( url );
}
}
void ArticleView::updateMutedContents()
{
QUrl currentUrl = ui.definition->url();
if ( currentUrl.scheme() != "gdlookup" )
return; // Weird url -- do nothing
unsigned group = getGroup( currentUrl );
if ( !group )
return; // No group in url -- do nothing
QString mutedDicts = getMutedForGroup( group );
if ( currentUrl.queryItemValue( "muted" ) != mutedDicts )
{
// The list has changed -- update the url
currentUrl.removeQueryItem( "muted" );
if ( mutedDicts.size() )
currentUrl.addQueryItem( "muted", mutedDicts );
saveHistoryUserData();
ui.definition->load( currentUrl );
//QApplication::setOverrideCursor( Qt::WaitCursor );
ui.definition->setCursor( Qt::WaitCursor );
}
}
bool ArticleView::canGoBack()
{
// First entry in a history is always an empty page,
// so we skip it.
return ui.definition->history()->currentItemIndex() > 1;
}
bool ArticleView::canGoForward()
{
return ui.definition->history()->canGoForward();
}
void ArticleView::back()
{
// Don't allow navigating back to page 0, which is usually the initial
// empty page
if ( canGoBack() )
{
saveHistoryUserData();
ui.definition->back();
}
}
void ArticleView::forward()
{
saveHistoryUserData();
ui.definition->forward();
}
bool ArticleView::hasSound()
{
return ui.definition->page()->mainFrame()->
evaluateJavaScript( "gdAudioLink;" ).type() == QVariant::String;
}
void ArticleView::playSound()
{
QVariant v = ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdAudioLink;" ) );
if ( v.type() == QVariant::String )
openLink( QUrl::fromEncoded( v.toString().toUtf8() ), ui.definition->url() );
}
QString ArticleView::toHtml()
{
return ui.definition->page()->mainFrame()->toHtml();
}
QString ArticleView::getTitle()
{
return ui.definition->page()->mainFrame()->title();
}
void ArticleView::print( QPrinter * printer ) const
{
ui.definition->print( printer );
}
void ArticleView::contextMenuRequested( QPoint const & pos )
{
// Is that a link? Is there a selection?
QWebHitTestResult r = ui.definition->page()->mainFrame()->
hitTestContent( pos );
updateCurrentArticleFromCurrentFrame( r.frame() );
QMenu menu( this );
QAction * followLink = 0;
QAction * followLinkExternal = 0;
QAction * followLinkNewTab = 0;
QAction * lookupSelection = 0;
QAction * lookupSelectionGr = 0;
QAction * lookupSelectionNewTab = 0;
QAction * lookupSelectionNewTabGr = 0;
QAction * maxDictionaryRefsAction = 0;
QUrl targetUrl( r.linkUrl() );
Contexts contexts;
tryMangleWebsiteClickedUrl( targetUrl, contexts );
if ( !r.linkUrl().isEmpty() )
{
if ( !isExternalLink( targetUrl ) )
{
followLink = new QAction( tr( "&Open Link" ), &menu );
menu.addAction( followLink );
if ( !popupView )
{
followLinkNewTab = new QAction( QIcon( ":/icons/addtab.png" ),
tr( "Open Link in New &Tab" ), &menu );
menu.addAction( followLinkNewTab );
}
}
if ( isExternalLink( r.linkUrl() ) )
{
followLinkExternal = new QAction( tr( "Open Link in &External Browser" ), &menu );
menu.addAction( followLinkExternal );
menu.addAction( ui.definition->pageAction( QWebPage::CopyLinkToClipboard ) );
}
}
QString selectedText = ui.definition->selectedText();
if ( selectedText.size() && selectedText.size() < 60 )
{
// We don't prompt for selections larger or equal to 60 chars, since
// it ruins the menu and it's hardly a single word anyway.
lookupSelection = new QAction( tr( "&Look up \"%1\"" ).
arg( ui.definition->selectedText() ),
&menu );
menu.addAction( lookupSelection );
if ( !popupView )
{
lookupSelectionNewTab = new QAction( QIcon( ":/icons/addtab.png" ),
tr( "Look up \"%1\" in &New Tab" ).
arg( ui.definition->selectedText() ),
&menu );
menu.addAction( lookupSelectionNewTab );