summaryrefslogtreecommitdiffstats
path: root/libkdepim/statusbarprogresswidget.cpp
blob: 166376638a81319101f3edff6f982f7a301283fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
/*
  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 <tqtimer.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqtooltip.h>
#include <klocale.h>
#include <tqlayout.h>
#include <tqwidgetstack.h>
#include <tqframe.h>

#include "progressdialog.h"
#include "statusbarprogresswidget.h"

using namespace KPIM;

//-----------------------------------------------------------------------------
StatusbarProgressWidget::StatusbarProgressWidget( ProgressDialog* progressDialog, TQWidget* parent, bool button )
  : TQFrame( 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 TQHBoxLayout( this, 0, 0 );

  m_pButton = new TQPushButton( this );
  m_pButton->tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Minimum,
                                         TQSizePolicy::Minimum ) );
  m_pButton->setPixmap( SmallIcon( "up" ) );
  box->addWidget( m_pButton  );
  stack = new TQWidgetStack( this );
  stack->setMaximumHeight( fontMetrics().height() );
  box->addWidget( stack );

  m_sslLabel = new SSLLabel( this );
  box->addWidget( m_sslLabel );

  TQToolTip::add( m_pButton, i18n("Open detailed progress dialog") );

  m_pProgressBar = new KProgress( this );
  m_pProgressBar->setLineWidth( 1 );
  m_pProgressBar->setFrameStyle( TQFrame::Box );
  m_pProgressBar->installEventFilter( this );
  m_pProgressBar->setMinimumWidth( w );
  stack->addWidget( m_pProgressBar, 1 );

  m_pLabel = new TQLabel( TQString::null, this );
  m_pLabel->tqsetAlignment( AlignHCenter | AlignVCenter );
  m_pLabel->installEventFilter( this );
  m_pLabel->setMinimumWidth( w );
  stack->addWidget( m_pLabel, 2 );
  m_pButton->setMaximumHeight( fontMetrics().height() );
  setMinimumWidth( tqminimumSizeHint().width() );

  mode = None;
  setMode();

  connect( m_pButton, TQT_SIGNAL( clicked() ),
           progressDialog, TQT_SLOT( slotToggleVisibility() ) );

  connect ( ProgressManager::instance(), TQT_SIGNAL( progressItemAdded( KPIM::ProgressItem * ) ),
            this, TQT_SLOT( slotProgressItemAdded( KPIM::ProgressItem * ) ) );
  connect ( ProgressManager::instance(), TQT_SIGNAL( progressItemCompleted( KPIM::ProgressItem * ) ),
            this, TQT_SLOT( slotProgressItemCompleted( KPIM::ProgressItem * ) ) );
  connect ( ProgressManager::instance(), TQT_SIGNAL(progressItemUsesBusyIndicator(KPIM::ProgressItem*,bool)),
            this, TQT_SLOT( updateBusyMode() ) );

  connect ( progressDialog, TQT_SIGNAL( visibilityChanged( bool )),
            this, TQT_SLOT( slotProgressDialogVisible( bool ) ) );

  mDelayTimer = new TQTimer( this );
  connect ( mDelayTimer, TQT_SIGNAL( timeout() ),
            this, TQT_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::updateBusyMode()
{
  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 TQTimer( this );
      connect( mBusyTimer, TQT_SIGNAL( timeout() ),
               this, TQT_SLOT( slotBusyIndicator() ) );
      mDelayTimer->start( 1000, true );
    }
  }
}

void StatusbarProgressWidget::slotProgressItemAdded( ProgressItem *item )
{
  if ( item->parent() )
    return; // we are only interested in top level items

  updateBusyMode();
}

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
    TQTimer::singleShot( 5000, this, TQT_SLOT( slotClean() ) );
  } else if ( mCurrentItem ) { // Exactly one item
    delete mBusyTimer;
    mBusyTimer = 0;
    activateSingleItemMode();
  }
}

void StatusbarProgressWidget::connectSingleItem()
{
  if ( mCurrentItem ) {
    disconnect ( mCurrentItem, TQT_SIGNAL( progressItemProgress( KPIM::ProgressItem *, unsigned int ) ),
                 this, TQT_SLOT( slotProgressItemProgress( KPIM::ProgressItem *, unsigned int ) ) );
    mCurrentItem = 0;
  }
  mCurrentItem = ProgressManager::instance()->singleItem();
  if ( mCurrentItem ) {
    connect ( mCurrentItem, TQT_SIGNAL( progressItemProgress( KPIM::ProgressItem *, unsigned int ) ),
              this, TQT_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( TQObject *, TQEvent *ev )
{
  if ( ev->type() == TQEvent::MouseButtonPress ) {
    TQMouseEvent *e = (TQMouseEvent*)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" ) );
    TQToolTip::remove( m_pButton );
    TQToolTip::add( m_pButton, i18n("Hide detailed progress window") );
    setMode();
  } else {
    m_pButton->setPixmap( SmallIcon( "up" ) );
    TQToolTip::remove( m_pButton );
    TQToolTip::add( m_pButton, i18n("Show detailed progress window") );
  }
}

#include "statusbarprogresswidget.moc"