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

1 files changed, 287 insertions, 0 deletions

diff --git a/libkdepim/statusbarprogresswidget.cpp b/libkdepim/statusbarprogresswidget.cpp
new file mode 100644
index 000000000..3d0229fc5
--- /dev/null
+++ b/libkdepim/statusbarprogresswidget.cpp
@@ -0,0 +1,287 @@
+/*
+  statusbarprogresswidget.cpp
+
+  This file is part of KMail, the KDE mail client.
+
+  (C) 2004 KMail Authors
+  Includes StatusbarProgressWidget which is based on KIOLittleProgressDlg
+  by Matt Koss <koss@miesto.sk>
+
+  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 "ssllabel.h"
+using KPIM::SSLLabel;
+#include "progressmanager.h"
+using KPIM::ProgressItem;
+using KPIM::ProgressManager;
+
+#include <kprogress.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+
+#include <qtimer.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qtooltip.h>
+#include <klocale.h>
+#include <qlayout.h>
+#include <qwidgetstack.h>
+#include <qframe.h>
+
+#include "progressdialog.h"
+#include "statusbarprogresswidget.h"
+
+using namespace KPIM;
+
+//-----------------------------------------------------------------------------
+StatusbarProgressWidget::StatusbarProgressWidget( ProgressDialog* progressDialog, QWidget* parent, bool button )
+  : QFrame( parent ), mCurrentItem( 0 ), mProgressDialog( progressDialog ),
+    mDelayTimer( 0 ), mBusyTimer( 0 )
+{
+  m_bShowButton = button;
+  int w = fontMetrics().width( " 999.9 kB/s 00:00:01 " ) + 8;
+  box = new QHBoxLayout( this, 0, 0 );
+
+  m_pButton = new QPushButton( this );
+  m_pButton->setSizePolicy( QSizePolicy( QSizePolicy::Minimum,
+                                         QSizePolicy::Minimum ) );
+  m_pButton->setPixmap( SmallIcon( "up" ) );
+  box->addWidget( m_pButton  );
+  stack = new QWidgetStack( this );
+  stack->setMaximumHeight( fontMetrics().height() );
+  box->addWidget( stack );
+
+  m_sslLabel = new SSLLabel( this );
+  box->addWidget( m_sslLabel );
+
+  QToolTip::add( m_pButton, i18n("Open detailed progress dialog") );
+
+  m_pProgressBar = new KProgress( this );
+  m_pProgressBar->setLineWidth( 1 );
+  m_pProgressBar->setFrameStyle( QFrame::Box );
+  m_pProgressBar->installEventFilter( this );
+  m_pProgressBar->setMinimumWidth( w );
+  stack->addWidget( m_pProgressBar, 1 );
+
+  m_pLabel = new QLabel( QString::null, this );
+  m_pLabel->setAlignment( AlignHCenter | AlignVCenter );
+  m_pLabel->installEventFilter( this );
+  m_pLabel->setMinimumWidth( w );
+  stack->addWidget( m_pLabel, 2 );
+  m_pButton->setMaximumHeight( fontMetrics().height() );
+  setMinimumWidth( minimumSizeHint().width() );
+
+  mode = None;
+  setMode();
+
+  connect( m_pButton, SIGNAL( clicked() ),
+           progressDialog, SLOT( slotToggleVisibility() ) );
+
+  connect ( ProgressManager::instance(), SIGNAL( progressItemAdded( KPIM::ProgressItem * ) ),
+            this, SLOT( slotProgressItemAdded( KPIM::ProgressItem * ) ) );
+  connect ( ProgressManager::instance(), SIGNAL( progressItemCompleted( KPIM::ProgressItem * ) ),
+            this, SLOT( slotProgressItemCompleted( KPIM::ProgressItem * ) ) );
+
+  connect ( progressDialog, SIGNAL( visibilityChanged( bool )),
+            this, SLOT( slotProgressDialogVisible( bool ) ) );
+
+  mDelayTimer = new QTimer( this );
+  connect ( mDelayTimer, SIGNAL( timeout() ),
+            this, SLOT( slotShowItemDelayed() ) );
+}
+
+// There are three cases: no progressitem, one progressitem (connect to it directly),
+// or many progressitems (display busy indicator). Let's call them 0,1,N.
+// In slot..Added we can only end up in 1 or N.
+// In slot..Removed we can end up in 0, 1, or we can stay in N if we were already.
+
+void StatusbarProgressWidget::slotProgressItemAdded( ProgressItem *item )
+{
+  if ( item->parent() ) return; // we are only interested in top level items
+  connectSingleItem(); // if going to 1 item
+  if ( mCurrentItem ) { // Exactly one item
+    delete mBusyTimer;
+    mBusyTimer = 0;
+    mDelayTimer->start( 1000, true );
+  }
+  else { // N items
+    if ( !mBusyTimer ) {
+      mBusyTimer = new QTimer( this );
+      connect( mBusyTimer, SIGNAL( timeout() ),
+               this, SLOT( slotBusyIndicator() ) );
+      mDelayTimer->start( 1000, true );
+    }
+  }
+}
+
+void StatusbarProgressWidget::slotProgressItemCompleted( ProgressItem *item )
+{
+  if ( item->parent() ) return; // we are only interested in top level items
+  connectSingleItem(); // if going back to 1 item
+  if ( ProgressManager::instance()->isEmpty() ) { // No item
+    // Done. In 5s the progress-widget will close, then we can clean up the statusbar
+    QTimer::singleShot( 5000, this, SLOT( slotClean() ) );
+  } else if ( mCurrentItem ) { // Exactly one item
+    delete mBusyTimer;
+    mBusyTimer = 0;
+    activateSingleItemMode();
+  }
+}
+
+void StatusbarProgressWidget::connectSingleItem()
+{
+  if ( mCurrentItem ) {
+    disconnect ( mCurrentItem, SIGNAL( progressItemProgress( KPIM::ProgressItem *, unsigned int ) ),
+                 this, SLOT( slotProgressItemProgress( KPIM::ProgressItem *, unsigned int ) ) );
+    mCurrentItem = 0;
+  }
+  mCurrentItem = ProgressManager::instance()->singleItem();
+  if ( mCurrentItem ) {
+    connect ( mCurrentItem, SIGNAL( progressItemProgress( KPIM::ProgressItem *, unsigned int ) ),
+              this, SLOT( slotProgressItemProgress( KPIM::ProgressItem *, unsigned int ) ) );
+  }
+}
+
+void StatusbarProgressWidget::activateSingleItemMode()
+{
+  m_pProgressBar->setTotalSteps( 100 );
+  m_pProgressBar->setProgress( mCurrentItem->progress() );
+  m_pProgressBar->setPercentageVisible( true );
+}
+
+void StatusbarProgressWidget::slotShowItemDelayed()
+{
+  bool noItems = ProgressManager::instance()->isEmpty();
+  if ( mCurrentItem ) {
+    activateSingleItemMode();
+  } else if ( !noItems ) { // N items
+    m_pProgressBar->setTotalSteps( 0 );
+    m_pProgressBar->setPercentageVisible( false );
+    Q_ASSERT( mBusyTimer );
+    if ( mBusyTimer )
+      mBusyTimer->start( 100 );
+  }
+
+  if ( !noItems && mode == None ) {
+    mode = Progress;
+    setMode();
+  }
+}
+
+void StatusbarProgressWidget::slotBusyIndicator()
+{
+  int p = m_pProgressBar->progress();
+  m_pProgressBar->setProgress( p + 10 );
+}
+
+void StatusbarProgressWidget::slotProgressItemProgress( ProgressItem *item, unsigned int value )
+{
+  Q_ASSERT( item == mCurrentItem); // the only one we should be connected to
+  m_pProgressBar->setProgress( value );
+}
+
+void StatusbarProgressWidget::slotSetSSL( bool ssl )
+{
+  m_sslLabel->setEncrypted( ssl );
+}
+
+void StatusbarProgressWidget::setMode() {
+  switch ( mode ) {
+  case None:
+    if ( m_bShowButton ) {
+      m_pButton->hide();
+    }
+    m_sslLabel->setState( SSLLabel::Done );
+    // show the empty label in order to make the status bar look better
+    stack->show();
+    stack->raiseWidget( m_pLabel );
+    break;
+
+#if 0
+  case Label:
+    if ( m_bShowButton ) {
+      m_pButton->show();
+    }
+    m_sslLabel->setState( m_sslLabel->lastState() );
+    stack->show();
+    stack->raiseWidget( m_pLabel );
+    break;
+#endif
+
+  case Progress:
+    stack->show();
+    stack->raiseWidget( m_pProgressBar );
+    if ( m_bShowButton ) {
+      m_pButton->show();
+    }
+    m_sslLabel->setState( m_sslLabel->lastState() );
+    break;
+  }
+}
+
+void StatusbarProgressWidget::slotClean()
+{
+  // check if a new item showed up since we started the timer. If not, clear
+  if ( ProgressManager::instance()->isEmpty() ) {
+    m_pProgressBar->setProgress( 0 );
+    //m_pLabel->clear();
+    mode = None;
+    setMode();
+  }
+}
+
+bool StatusbarProgressWidget::eventFilter( QObject *, QEvent *ev )
+{
+  if ( ev->type() == QEvent::MouseButtonPress ) {
+    QMouseEvent *e = (QMouseEvent*)ev;
+
+    if ( e->button() == LeftButton && mode != None ) {    // toggle view on left mouse button
+      // Consensus seems to be that we should show/hide the fancy dialog when the user
+      // clicks anywhere in the small one.
+      mProgressDialog->slotToggleVisibility();
+      return true;
+    }
+  }
+  return false;
+}
+
+void StatusbarProgressWidget::slotProgressDialogVisible( bool b )
+{
+  // Update the hide/show button when the detailed one is shown/hidden
+  if ( b ) {
+    m_pButton->setPixmap( SmallIcon( "down" ) );
+    QToolTip::remove( m_pButton );
+    QToolTip::add( m_pButton, i18n("Hide detailed progress window") );
+    setMode();
+  } else {
+    m_pButton->setPixmap( SmallIcon( "up" ) );
+    QToolTip::remove( m_pButton );
+    QToolTip::add( m_pButton, i18n("Show detailed progress window") );
+  }
+}
+
+#include "statusbarprogresswidget.moc"