From bcb704366cb5e333a626c18c308c7e0448a8e69f Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: 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/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kopete/libkopete/kopeteonlinestatusmanager.cpp | 436 +++++++++++++++++++++++++ 1 file changed, 436 insertions(+) create mode 100644 kopete/libkopete/kopeteonlinestatusmanager.cpp (limited to 'kopete/libkopete/kopeteonlinestatusmanager.cpp') diff --git a/kopete/libkopete/kopeteonlinestatusmanager.cpp b/kopete/libkopete/kopeteonlinestatusmanager.cpp new file mode 100644 index 00000000..61c41b83 --- /dev/null +++ b/kopete/libkopete/kopeteonlinestatusmanager.cpp @@ -0,0 +1,436 @@ +/* + kopeteonlinestatusmanager.cpp + + Copyright (c) 2004 by Olivier Goffart + Copyright (c) 2003 by Will Stephenson + + Kopete (c) 2003-2004 by the Kopete developers + + ************************************************************************* + * * + * This library is free software; you can redistribute it and/or * + * modify it under the terms of the GNU Lesser General Public * + * License as published by the Free Software Foundation; either * + * version 2 of the License, or (at your option) any later version. * + * * + ************************************************************************* +*/ + +#include "kopeteonlinestatusmanager.h" + +#include "kopeteawayaction.h" +#include "kopeteprotocol.h" +#include "kopeteaccount.h" +#include "kopetecontact.h" + +#include +#include +#include +#include +#include +#include +#include // for WORDS_BIGENDIAN + +#include // for min + +namespace Kopete { + + +class OnlineStatusManager::Private +{public: + + struct RegisteredStatusStruct + { + QString caption; + unsigned int categories; + unsigned int options; + }; + + typedef QMap< OnlineStatus , RegisteredStatusStruct > ProtocolMap ; + + QPixmap *nullPixmap; + QMap registeredStatus; + QDict< QPixmap > iconCache; +}; + +OnlineStatusManager *OnlineStatusManager::s_self=0L; + +OnlineStatusManager *OnlineStatusManager::self() +{ + static KStaticDeleter deleter; + if(!s_self) + deleter.setObject( s_self, new OnlineStatusManager() ); + return s_self; +} + +OnlineStatusManager::OnlineStatusManager() + : d( new Private ) +{ + d->iconCache.setAutoDelete( true ); + d->nullPixmap = new QPixmap; + connect( kapp, SIGNAL( iconChanged(int) ), this, SLOT( slotIconsChanged() ) ); +} + +OnlineStatusManager::~OnlineStatusManager() +{ + delete d->nullPixmap; + delete d; +} + +void OnlineStatusManager::slotIconsChanged() +{ + d->iconCache.clear(); + emit iconsChanged(); +} + +void OnlineStatusManager::registerOnlineStatus( const OnlineStatus &status, const QString & caption, unsigned int categories, unsigned int options) +{ + Private::RegisteredStatusStruct s; + s.caption=caption; + s.categories=categories; + s.options=options; + d->registeredStatus[status.protocol()].insert(status, s ); +} + +OnlineStatus OnlineStatusManager::onlineStatus(Protocol * protocol, Categories category) const +{ + /* Each category has a number which is a power of two, so it is possible to have several categories per online status + * the logaritm in base two if this number, which represent the bit which is equal to 1 in the number is chosen to be in a tree + * 1 (0 is reserved for Offline) + * / \ + * 2 3 + * / \ / \ + * 4 5 6 7 + * /\ / \ / \ / \ + * 8 9 10 11 12 13 14 15 + * To get the parent of a key, one just divide per two the number + */ + + Private::ProtocolMap protocolMap=d->registeredStatus[protocol]; + + int categ_nb=-1; //the logaritm of category + uint category_=category; + while(category_) + { + category_ >>= 1; + categ_nb++; + } //that code will give the log +1 + + do + { + Private::ProtocolMap::Iterator it; + for ( it = protocolMap.begin(); it != protocolMap.end(); it++ ) + { + unsigned int catgs=it.data().categories; + if(catgs & (1<<(categ_nb))) + return it.key(); + } + //no status found in this category, try the previous one. + categ_nb=(int)(categ_nb/2); + } while (categ_nb > 0); + + kdWarning() << "No status in the category " << category << " for the protocol " << protocol->displayName() <iconCache.find( fp ); + if ( !theIcon ) + { + // cache miss +// kdDebug(14010) << k_funcinfo << "Missed " << fingerprint << " in icon cache!" << endl; + theIcon = renderIcon( statusFor, icon, size, color, idle); + d->iconCache.insert( fp, theIcon ); + } + return *theIcon; +} + +QPixmap OnlineStatusManager::cacheLookupByMimeSource( const QString &mimeSource ) +{ + // look it up in the cache + const QPixmap *theIcon= d->iconCache.find( mimeSource ); + if ( !theIcon ) + { + // need to return an invalid pixmap + theIcon = d->nullPixmap; + } + return *theIcon; +} + +// This code was forked from the broken KImageEffect::blendOnLower, but it's +// been so heavily fixed and rearranged it's hard to recognise that now. +static void blendOnLower( const QImage &upper_, QImage &lower, const QPoint &offset ) +{ + if ( upper_.width() <= 0 || upper_.height() <= 0 ) + return; + if ( lower.width() <= 0 || lower.height() <= 0 ) + return; + if ( offset.x() < 0 || offset.x() >= lower.width() ) + return; + if ( offset.y() < 0 || offset.y() >= lower.height() ) + return; + + QImage upper = upper_; + if ( upper.depth() != 32 ) + upper = upper.convertDepth( 32 ); + if ( lower.depth() != 32 ) + lower = lower.convertDepth( 32 ); + + const int cx = offset.x(); + const int cy = offset.y(); + const int cw = std::min( upper.width() + cx, lower.width() ); + const int ch = std::min( upper.height() + cy, lower.height() ); + const int m = 255; + + for ( int j = cy; j < ch; ++j ) + { + QRgb *u = (QRgb*)upper.scanLine(j - cy); + QRgb *l = (QRgb*)lower.scanLine(j) + cx; + + for( int k = cx; k < cw; ++u, ++l, ++k ) + { + int ua = qAlpha(*u); + if ( !ua ) + continue; + + int la = qAlpha(*l); + + int d = ua * m + la * (m - ua); + uchar r = uchar( ( qRed(*u) * ua * m + qRed(*l) * la * (m - ua) ) / d ); + uchar g = uchar( ( qGreen(*u) * ua * m + qGreen(*l) * la * (m - ua) ) / d ); + uchar b = uchar( ( qBlue(*u) * ua * m + qBlue(*l) * la * (m - ua) ) / d ); + uchar a = uchar( ( ua * ua * m + la * la * (m - ua) ) / d ); + *l = qRgba( r, g, b, a ); + } + } +} + +// Get bounding box of image via alpha channel +static QRect getBoundingBox( const QImage& image ) +{ + const int width = image.width(); + const int height = image.height(); + if ( width <= 0 || height <= 0 ) + return QRect(); + + // scan image from left to right and top to bottom + // to get upper left corner of bounding box + int x1 = width - 1; + int y1 = height - 1; + for ( int j = 0; j < height; ++j ) + { + QRgb *i = (QRgb*)image.scanLine(j); + + for( int k = 0; k < width; ++i, ++k ) + { + if ( qAlpha(*i) ) + { + x1 = std::min( x1, k ); + y1 = std::min( y1, j ); + break; + } + } + } + + // scan image from right to left and bottom to top + // to get lower right corner of bounding box + int x2 = 0; + int y2 = 0; + for ( int j = height-1; j >= 0; --j ) + { + QRgb *i = (QRgb*)image.scanLine(j) + width-1; + + for( int k = width-1; k >= 0; --i, --k ) + { + if ( qAlpha(*i) ) + { + x2 = std::max( x2, k ); + y2 = std::max( y2, j ); + break; + } + } + } + return QRect( x1, y1, std::max( 0, x2-x1+1 ), std::max( 0, y2-y1+1 ) ); +} + +// Get offset for upperImage to blend it in the i%4-th corner of lowerImage: +// bottom right, bottom left, top left, top right +static QPoint getOffsetForCorner( const QImage& upperImage, const QImage& lowerImage, const int i ) +{ + const int dX = lowerImage.width() - upperImage.width(); + const int dY = lowerImage.height() - upperImage.height(); + const int corner = i % 4; + QPoint offset; + switch( corner ) { + case 0: + // bottom right + offset = QPoint( dX, dY ); + break; + case 1: + // bottom left + offset = QPoint( 0, dY ); + break; + case 2: + // top left + offset = QPoint( 0, 0 ); + break; + case 3: + // top right + offset = QPoint( dX, 0 ); + break; + } + return offset; +} + +QPixmap* OnlineStatusManager::renderIcon( const OnlineStatus &statusFor, const QString& baseIcon, int size, QColor color, bool idle) const +{ + // create an icon suiting the status from the base icon + // use reasonable defaults if not provided or protocol not set + + if ( baseIcon == statusFor.overlayIcons().first() ) + kdWarning( 14010 ) << "Base and overlay icons are the same - icon effects will not be visible." << endl; + + QPixmap* basis = new QPixmap( SmallIcon( baseIcon ) ); + + // Colorize + if ( color.isValid() ) + *basis = KIconEffect().apply( *basis, KIconEffect::Colorize, 1, color, 0); + + // Note that we do this before compositing the overlay, since we want + // that to be colored in this case. + if ( statusFor.internalStatus() == Kopete::OnlineStatus::AccountOffline || statusFor.status() == Kopete::OnlineStatus::Offline ) + { + *basis = KIconEffect().apply( *basis, KIconEffect::ToGray , 0.85, QColor() , false ); + } + + //composite the iconOverlay for this status and the supplied baseIcon + QStringList overlays = statusFor.overlayIcons(); + if ( !( overlays.isEmpty() ) ) // otherwise leave the basis as-is + { + KIconLoader *loader = KGlobal::instance()->iconLoader(); + + int i = 0; + for( QStringList::iterator it = overlays.begin(), end = overlays.end(); it != end; ++it ) + { + QPixmap overlay = loader->loadIcon(*it, KIcon::Small, 0 , + KIcon::DefaultState, 0L, /*canReturnNull=*/ true ); + + if ( !overlay.isNull() ) + { + // we want to preserve the alpha channels of both basis and overlay. + // there's no way to do this in Qt. In fact, there's no way to do this + // in KDE since KImageEffect is so badly broken. + QImage basisImage = basis->convertToImage(); + QImage overlayImage = overlay.convertToImage(); + QPoint offset; + if ( (*it).endsWith( QString::fromLatin1( "_overlay" ) ) ) + { + // it is possible to have more than one overlay icon + // to avoid overlapping we place them in different corners + overlayImage = overlayImage.copy( getBoundingBox( overlayImage ) ); + offset = getOffsetForCorner( overlayImage, basisImage, i ); + ++i; + } + blendOnLower( overlayImage, basisImage, offset ); + basis->convertFromImage( basisImage ); + } + } + } + + // no need to scale if the icon is already of the required size (assuming height == width!) + if ( basis->width() != size ) + { + QImage scaledImg = basis->convertToImage().smoothScale( size, size ); + *basis = QPixmap( scaledImg ); + } + + // if idle, apply effects + if ( idle ) + KIconEffect::semiTransparent( *basis ); + + return basis; +} + +void OnlineStatusManager::createAccountStatusActions( Account *account , KActionMenu *parent) +{ + Private::ProtocolMap protocolMap=d->registeredStatus[account->protocol()]; + Private::ProtocolMap::Iterator it; + for ( it = --protocolMap.end(); it != protocolMap.end(); --it ) + { + unsigned int options=it.data().options; + if(options & OnlineStatusManager::HideFromMenu) + continue; + + OnlineStatus status=it.key(); + QString caption=it.data().caption; + KAction *action; + + // Any existing actions owned by the account are reused by recovering them + // from the parent's child list. + // The description of the onlinestatus is used as the qobject name + // This is safe as long as OnlineStatus are immutable + QCString actionName = status.description().ascii(); + if ( !( action = static_cast( account->child( actionName ) ) ) ) + { + if(options & OnlineStatusManager::HasAwayMessage) + { + action = new AwayAction( status, caption, status.iconFor(account), 0, account, + SLOT( setOnlineStatus( const Kopete::OnlineStatus&, const QString& ) ), + account, actionName ); + } + else + { + action=new OnlineStatusAction( status, caption, status.iconFor(account) , account, actionName ); + connect(action,SIGNAL(activated(const Kopete::OnlineStatus&)) , + account, SLOT(setOnlineStatus(const Kopete::OnlineStatus&))); + } + } + +#if 0 + //disabled because since action are reused, they are not enabled back if the account is online. + if(options & OnlineStatusManager::DisabledIfOffline && !account->isConnected()) + action->setEnabled(false); +#endif + + if(parent) + parent->insert(action); + + } +} + + +OnlineStatusAction::OnlineStatusAction( const OnlineStatus& status, const QString &text, const QIconSet &pix, QObject *parent, const char *name) + : KAction( text, pix, KShortcut() , parent, name) , m_status(status) +{ + connect(this,SIGNAL(activated()),this,SLOT(slotActivated())); +} + +void OnlineStatusAction::slotActivated() +{ + emit activated(m_status); +} + + +} //END namespace Kopete + +#include "kopeteonlinestatusmanager.moc" + +// vim: set noet ts=4 sts=4 sw=4: + -- cgit v1.2.1