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knotification.cpp
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1 /* This file is part of the KDE libraries
2  Copyright (C) 2005-2006 Olivier Goffart <ogoffart at kde.org>
3 
4  code from KNotify/KNotifyClient
5  Copyright (c) 1997 Christian Esken (esken@kde.org)
6  2000 Charles Samuels (charles@kde.org)
7  2000 Stefan Schimanski (1Stein@gmx.de)
8  2000 Matthias Ettrich (ettrich@kde.org)
9  2000 Waldo Bastian <bastian@kde.org>
10  2000-2003 Carsten Pfeiffer <pfeiffer@kde.org>
11  2005 Allan Sandfeld Jensen <kde@carewolf.com>
12 
13  This library is free software; you can redistribute it and/or
14  modify it under the terms of the GNU Library General Public
15  License version 2 as published by the Free Software Foundation.
16 
17  This library is distributed in the hope that it will be useful,
18  but WITHOUT ANY WARRANTY; without even the implied warranty of
19  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20  Library General Public License for more details.
21 
22  You should have received a copy of the GNU Library General Public License
23  along with this library; see the file COPYING.LIB. If not, write to
24  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25  Boston, MA 02110-1301, USA.
26 */
27 
28 #include "knotification.h"
29 #include "knotificationmanager_p.h"
30 
31 #include <kmessagebox.h>
32 #include <klocale.h>
33 #include <kiconloader.h>
34 #include <kconfig.h>
35 #include <kpassivepopup.h>
36 #include <kdialog.h>
37 #include <kmacroexpander.h>
38 #include <kwindowsystem.h>
39 #include <kdebug.h>
40 #include <kvbox.h>
41 #include <kapplication.h>
42 
43 #include <QMap>
44 #include <QPixmap>
45 #include <QPointer>
46 #include <QLabel>
47 #include <QTimer>
48 #include <QTabWidget>
49 #include <QFile>
50 #include <QStringList>
51 #include <QTextStream>
52 #include <QDateTime>
53 #include <QDBusError>
54 
55 struct KNotification::Private
56 {
57  QString eventId;
58  int id;
59  int ref;
60 
61  QWidget *widget;
62  QString title;
63  QString text;
64  QStringList actions;
65  QPixmap pixmap;
66  ContextList contexts;
67  NotificationFlags flags;
68  KComponentData componentData;
69 
70  QTimer updateTimer;
71  bool needUpdate;
72 
73  Private() : id(0), ref(1), widget(0l), needUpdate(false) {}
79  static void raiseWidget(QWidget *w);
80 };
81 
82 KNotification::KNotification(const QString& eventId, QWidget *parent, const NotificationFlags& flags) :
83  QObject(parent) , d(new Private)
84 {
85  d->eventId=eventId;
86  d->flags=flags;
87  setWidget(parent);
88  connect(&d->updateTimer,SIGNAL(timeout()), this, SLOT(update()));
89  d->updateTimer.setSingleShot(true);
90  d->updateTimer.setInterval(100);
91 }
92 
93 KNotification::KNotification(
94  const QString& eventId,
95  const NotificationFlags& flags,
96  QObject *parent)
97  : QObject(parent),
98  d(new Private)
99 {
100  d->eventId=eventId;
101  d->flags=flags;
102  connect(&d->updateTimer,SIGNAL(timeout()), this, SLOT(update()));
103  d->updateTimer.setSingleShot(true);
104  d->updateTimer.setInterval(100);
105 }
106 
107 
108 KNotification::~KNotification()
109 {
110  if(d ->id > 0)
111  KNotificationManager::self()->close( d->id );
112  delete d;
113 }
114 
115 QString KNotification::eventId() const
116 {
117  return d->eventId;
118 }
119 
120 QString KNotification::title() const
121 {
122  return d->title;
123 }
124 
125 QString KNotification::text() const
126 {
127  return d->text;
128 }
129 
130 QWidget *KNotification::widget() const
131 {
132  return d->widget;
133 }
134 
135 void KNotification::setWidget(QWidget *wid)
136 {
137  d->widget = wid;
138  setParent(wid);
139  if ( wid && d->flags & CloseWhenWidgetActivated ) {
140  wid->installEventFilter(this);
141  }
142 }
143 
144 void KNotification::setTitle(const QString &title)
145 {
146  d->needUpdate = true;
147  d->title = title;
148  if(d->id > 0)
149  d->updateTimer.start();
150 }
151 
152 void KNotification::setText(const QString &text)
153 {
154  d->needUpdate = true;
155  d->text=text;
156  if(d->id > 0)
157  d->updateTimer.start();
158 }
159 
160 QPixmap KNotification::pixmap() const
161 {
162  return d->pixmap;
163 }
164 
165 void KNotification::setPixmap(const QPixmap &pix)
166 {
167  d->needUpdate = true;
168  d->pixmap=pix;
169  if(d->id > 0)
170  d->updateTimer.start();
171 }
172 
173 QStringList KNotification::actions() const
174 {
175  return d->actions;
176 }
177 
178 void KNotification::setActions(const QStringList& as )
179 {
180  d->needUpdate = true;
181  d->actions=as;
182  if(d->id > 0)
183  d->updateTimer.start();
184 }
185 
186 KNotification::ContextList KNotification::contexts() const
187 {
188  return d->contexts;
189 }
190 
191 void KNotification::setContexts( const KNotification::ContextList &contexts)
192 {
193  d->contexts=contexts;
194 }
195 
196 void KNotification::addContext( const KNotification::Context & context)
197 {
198  d->contexts << context;
199 }
200 
201 void KNotification::addContext( const QString & context_key, const QString & context_value )
202 {
203  d->contexts << qMakePair( context_key , context_value );
204 }
205 
206 KNotification::NotificationFlags KNotification::flags() const
207 {
208  return d->flags;
209 }
210 
211 void KNotification::setFlags(const NotificationFlags & flags)
212 {
213  d->flags=flags;
214 }
215 
216 
217 void KNotification::setComponentData(const KComponentData &c)
218 {
219  d->componentData = c;
220 }
221 
222 void KNotification::activate(unsigned int action)
223 {
224  switch (action)
225  {
226  case 0:
227  emit activated();
228  break;
229  case 1:
230  emit action1Activated();
231  break;
232  case 2:
233  emit action2Activated();
234  break;
235  case 3:
236  emit action3Activated();
237  break;
238  }
239  emit activated(action);
240  if(d->id != -1)
241  deleteLater();
242  d->id = -2;
243 }
244 
245 
246 void KNotification::close()
247 {
248  if(d->id >= 0)
249  KNotificationManager::self()->close( d->id );
250  if(d->id != -1) //=-1 mean still waiting for receiving the id
251  deleteLater();
252  d->id = -2;
253  emit closed();
254 }
255 
256 
257 void KNotification::raiseWidget()
258 {
259  if ( !d->widget ) {
260  return;
261  }
262 
263  Private::raiseWidget( d->widget );
264 }
265 
266 
267 void KNotification::Private::raiseWidget(QWidget *w)
268 {
269  //TODO this function is far from finished.
270  if(w->isTopLevel())
271  {
272  w->raise();
273 #if defined(Q_WS_WIN) || defined(Q_WS_MAC)
274  w->activateWindow();
275 #else
276  KWindowSystem::activateWindow( w->winId() );
277 #endif
278  }
279  else
280  {
281  QWidget *pw=w->parentWidget();
282  raiseWidget(pw);
283 
284  if( QTabWidget *tab_widget=qobject_cast<QTabWidget*>(pw))
285  {
286  tab_widget->setCurrentIndex(tab_widget->indexOf(w));
287  }
288  }
289 }
290 
291 KNotification *KNotification::event( const QString& eventid , const QString& title, const QString& text,
292  const QPixmap& pixmap, QWidget *widget, const NotificationFlags &flags, const KComponentData &componentData)
293 {
294  KNotification *notify=new KNotification(eventid, widget, flags);
295  notify->setTitle(title);
296  notify->setText(text);
297  notify->setPixmap(pixmap);
298  notify->setComponentData(componentData);
299 
300  QTimer::singleShot(0,notify,SLOT(sendEvent()));
301 
302  return notify;
303 }
304 
305 KNotification *KNotification::event( const QString& eventid , const QString& text,
306  const QPixmap& pixmap, QWidget *widget, const NotificationFlags &flags, const KComponentData &componentData)
307 {
308  return event( eventid, QString(), text, pixmap, widget, flags, componentData );
309 }
310 
311 
312 KNotification *KNotification::event( StandardEvent eventid , const QString& title, const QString& text,
313  const QPixmap& pixmap, QWidget *widget, const NotificationFlags &flags)
314 {
315  QString message;
316  switch ( eventid ) {
317  case Warning:
318  message = QLatin1String("warning");
319  break;
320  case Error:
321  message = QLatin1String("fatalerror");
322  break;
323  case Catastrophe:
324  message = QLatin1String("catastrophe");
325  break;
326  case Notification: // fall through
327  default:
328  message = QLatin1String("notification");
329  break;
330  }
331  return event( message, title, text, pixmap, widget , flags | DefaultEvent );
332 }
333 
334 KNotification *KNotification::event( StandardEvent eventid , const QString& text,
335  const QPixmap& pixmap, QWidget *widget, const NotificationFlags &flags)
336 {
337  return event( eventid, QString(), text, pixmap, widget , flags );
338 }
339 
340 void KNotification::ref()
341 {
342  d->ref++;
343 }
344 
345 void KNotification::deref()
346 {
347  d->ref--;
348  if(d->ref==0)
349  close();
350 }
351 
352 void KNotification::beep( const QString & reason, QWidget * widget )
353 {
354  event( QLatin1String("beep"), reason, QPixmap(), widget , CloseOnTimeout | DefaultEvent );
355 }
356 
357 void KNotification::sendEvent()
358 {
359  d->needUpdate = false;
360  if(d->id == 0)
361  {
362  QString appname;
363 
364  if(d->flags & DefaultEvent)
365  appname = QLatin1String("kde");
366  else if(d->componentData.isValid()) {
367  appname = d->componentData.componentName();
368  } else {
369  appname = KGlobal::mainComponent().componentName();
370  }
371 
372  if (KNotificationManager::self()->notify( this , d->pixmap , d->actions , d->contexts , appname ))
373  d->id = -1;
374  }
375  else if(d->id > 0)
376  {
377  KNotificationManager::self()->reemit(this , d->id );
378  }
379  else if(d->id == -1)
380  {
381  //schedule an update.
382  d->needUpdate = true;
383  }
384 }
385 
386 void KNotification::slotReceivedId(int id)
387 {
388  if(d->id == -2) //we are already closed
389  {
390  KNotificationManager::self()->close( id, /*force=*/ true );
391  deleteLater();
392  return;
393  }
394  d->id=id;
395  if(d->id>0)
396  {
397  KNotificationManager::self()->insert(this,d->id);
398  if (d->needUpdate)
399  sendEvent();
400  }
401  else
402  {
403  //if there is no presentation, delete the object
404  QTimer::singleShot(0, this, SLOT(deref()));
405  }
406 
407 }
408 
409 void KNotification::slotReceivedIdError(const QDBusError& error)
410 {
411  if(d->id == -2) //we are already closed
412  {
413  deleteLater();
414  return;
415  }
416  kWarning(299) << "Error while contacting notify daemon" << error.message();
417  d->id = -3;
418  QTimer::singleShot(0, this, SLOT(deref()));
419 }
420 
421 
422 void KNotification::update()
423 {
424  KNotificationManager::self()->update(this, d->id);
425 }
426 
427 bool KNotification::eventFilter( QObject * watched, QEvent * event )
428 {
429  if( watched == d->widget )
430  {
431  if( event->type() == QEvent::WindowActivate )
432  {
433  if( d->flags & CloseWhenWidgetActivated )
434  QTimer::singleShot(500, this, SLOT(close()));
435  }
436  //kDebug(299) << event->type();
437  }
438 
439  return false;
440 }
441 
442 
443 #include "knotification.moc"
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