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<h2><a name="content"></a>libkdepim</h2>
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<h1>progressmanager.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> progressmanager.cpp</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> This file is part of KDEPIM.</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> Author: Till Adam <adam@kde.org> (C) 2004</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> Library General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00020"></a>00020 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00021"></a>00021 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00022"></a>00022 <span class="comment">*/</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <qvaluevector.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <klocale.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <kstaticdeleter.h></span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include "progressmanager.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">namespace </span>KPIM {
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <a class="code" href="classKPIM_1_1ProgressManager.html" title="The ProgressManager singleton keeps track of all ongoing transactions and notifies...">KPIM::ProgressManager</a> * KPIM::ProgressManager::mInstance = 0;
<a name="l00035"></a>00035 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> KPIM::ProgressManager::uID = 42;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 ProgressItem::ProgressItem(
<a name="l00038"></a>00038 ProgressItem* parent, <span class="keyword">const</span> QString& <span class="keywordtype">id</span>,
<a name="l00039"></a>00039 <span class="keyword">const</span> QString& label, <span class="keyword">const</span> QString& status, <span class="keywordtype">bool</span> canBeCanceled,
<a name="l00040"></a>00040 <span class="keywordtype">bool</span> usesCrypto )
<a name="l00041"></a>00041 :mId( id ), mLabel( label ), mStatus( status ), mParent( parent ),
<a name="l00042"></a>00042 mCanBeCanceled( canBeCanceled ), mProgress( 0 ), mTotal( 0 ),
<a name="l00043"></a>00043 mCompleted( 0 ), mWaitingForKids( false ), mCanceled( false ),
<a name="l00044"></a>00044 mUsesCrypto( usesCrypto )
<a name="l00045"></a>00045 {}
<a name="l00046"></a>00046
<a name="l00047"></a>00047 ProgressItem::~ProgressItem()
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> ProgressItem::setComplete()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="comment">// kdDebug(5300) << "ProgressItem::setComplete - " << label() << endl;</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordflow">if</span> ( mChildren.isEmpty() ) {
<a name="l00056"></a>00056 <span class="keywordflow">if</span> ( !mCanceled )
<a name="l00057"></a>00057 setProgress( 100 );
<a name="l00058"></a>00058 emit progressItemCompleted( <span class="keyword">this</span> );
<a name="l00059"></a>00059 <span class="keywordflow">if</span> ( parent() )
<a name="l00060"></a>00060 parent()->removeChild( <span class="keyword">this</span> );
<a name="l00061"></a>00061 deleteLater();
<a name="l00062"></a>00062 } <span class="keywordflow">else</span> {
<a name="l00063"></a>00063 mWaitingForKids = <span class="keyword">true</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordtype">void</span> ProgressItem::addChild( ProgressItem *kiddo )
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 mChildren.replace( kiddo, <span class="keyword">true</span> );
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordtype">void</span> ProgressItem::removeChild( ProgressItem *kiddo )
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 mChildren.remove( kiddo );
<a name="l00075"></a>00075 <span class="comment">// in case we were waiting for the last kid to go away, now is the time</span>
<a name="l00076"></a>00076 <span class="keywordflow">if</span> ( mChildren.count() == 0 && mWaitingForKids ) {
<a name="l00077"></a>00077 emit progressItemCompleted( <span class="keyword">this</span> );
<a name="l00078"></a>00078 deleteLater();
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">void</span> ProgressItem::cancel()
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keywordflow">if</span> ( mCanceled || !mCanBeCanceled ) <span class="keywordflow">return</span>;
<a name="l00085"></a>00085 kdDebug(5300) << <span class="stringliteral">"ProgressItem::cancel() - "</span> << label() << endl;
<a name="l00086"></a>00086 mCanceled = <span class="keyword">true</span>;
<a name="l00087"></a>00087 <span class="comment">// Cancel all children.</span>
<a name="l00088"></a>00088 QValueList<ProgressItem*> kids = mChildren.keys();
<a name="l00089"></a>00089 QValueList<ProgressItem*>::Iterator it( kids.begin() );
<a name="l00090"></a>00090 QValueList<ProgressItem*>::Iterator end( kids.end() );
<a name="l00091"></a>00091 <span class="keywordflow">for</span> ( ; it != end; it++ ) {
<a name="l00092"></a>00092 ProgressItem *kid = *it;
<a name="l00093"></a>00093 <span class="keywordflow">if</span> ( kid->canBeCanceled() )
<a name="l00094"></a>00094 kid->cancel();
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 setStatus( i18n( <span class="stringliteral">"Aborting..."</span> ) );
<a name="l00097"></a>00097 emit progressItemCanceled( <span class="keyword">this</span> );
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordtype">void</span> ProgressItem::setProgress( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v )
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 mProgress = v;
<a name="l00104"></a>00104 <span class="comment">// kdDebug(5300) << "ProgressItem::setProgress(): " << label() << " : " << v << endl;</span>
<a name="l00105"></a>00105 emit progressItemProgress( <span class="keyword">this</span>, mProgress );
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">void</span> ProgressItem::setLabel( <span class="keyword">const</span> QString& v )
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 mLabel = v;
<a name="l00111"></a>00111 emit progressItemLabel( <span class="keyword">this</span>, mLabel );
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordtype">void</span> ProgressItem::setStatus( <span class="keyword">const</span> QString& v )
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 mStatus = v;
<a name="l00117"></a>00117 emit progressItemStatus( <span class="keyword">this</span>, mStatus );
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordtype">void</span> ProgressItem::setUsesCrypto( <span class="keywordtype">bool</span> v )
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 mUsesCrypto = v;
<a name="l00123"></a>00123 emit progressItemUsesCrypto( <span class="keyword">this</span>, v );
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">// ======================================</span>
<a name="l00127"></a>00127
<a name="l00128"></a>00128 ProgressManager::ProgressManager() :QObject() {
<a name="l00129"></a>00129 mInstance = <span class="keyword">this</span>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132 ProgressManager::~ProgressManager() { mInstance = 0; }
<a name="l00133"></a>00133 <span class="keyword">static</span> KStaticDeleter<ProgressManager> progressManagerDeleter;
<a name="l00134"></a>00134
<a name="l00135"></a><a class="code" href="classKPIM_1_1ProgressManager.html#5db2b8e0007b802e2727a6894b56a145">00135</a> <a class="code" href="classKPIM_1_1ProgressManager.html" title="The ProgressManager singleton keeps track of all ongoing transactions and notifies...">ProgressManager</a>* <a class="code" href="classKPIM_1_1ProgressManager.html#5db2b8e0007b802e2727a6894b56a145">ProgressManager::instance</a>()
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 <span class="keywordflow">if</span> ( !mInstance ) {
<a name="l00138"></a>00138 progressManagerDeleter.setObject( mInstance, <span class="keyword">new</span> <a class="code" href="classKPIM_1_1ProgressManager.html" title="The ProgressManager singleton keeps track of all ongoing transactions and notifies...">ProgressManager</a>() );
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 <span class="keywordflow">return</span> mInstance;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 ProgressItem* ProgressManager::createProgressItemImpl(
<a name="l00144"></a>00144 ProgressItem* parent, <span class="keyword">const</span> QString& <span class="keywordtype">id</span>,
<a name="l00145"></a>00145 <span class="keyword">const</span> QString &label, <span class="keyword">const</span> QString &status,
<a name="l00146"></a>00146 <span class="keywordtype">bool</span> cancellable, <span class="keywordtype">bool</span> usesCrypto )
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 ProgressItem *t = 0;
<a name="l00149"></a>00149 <span class="keywordflow">if</span> ( !mTransactions[ <span class="keywordtype">id</span> ] ) {
<a name="l00150"></a>00150 t = <span class="keyword">new</span> ProgressItem ( parent, <span class="keywordtype">id</span>, label, status, cancellable, usesCrypto );
<a name="l00151"></a>00151 mTransactions.insert( <span class="keywordtype">id</span>, t );
<a name="l00152"></a>00152 <span class="keywordflow">if</span> ( parent ) {
<a name="l00153"></a>00153 ProgressItem *p = mTransactions[ parent->id() ];
<a name="l00154"></a>00154 <span class="keywordflow">if</span> ( p ) {
<a name="l00155"></a>00155 p->addChild( t );
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 <span class="comment">// connect all signals</span>
<a name="l00159"></a>00159 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#ccc6deda7305e9c3f447936c8b50a661">progressItemCompleted</a>(KPIM::ProgressItem*) ),
<a name="l00160"></a>00160 <span class="keyword">this</span>, SLOT( slotTransactionCompleted(KPIM::ProgressItem*) ) );
<a name="l00161"></a>00161 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#c569977fcff7c46d8795b920995fe39e">progressItemProgress</a>(KPIM::ProgressItem*, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) ),
<a name="l00162"></a>00162 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#c569977fcff7c46d8795b920995fe39e">progressItemProgress</a>(KPIM::ProgressItem*, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) ) );
<a name="l00163"></a>00163 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#0cd0f7ff2de4ef4153a00e96cec9f0f1">progressItemAdded</a>(KPIM::ProgressItem*) ),
<a name="l00164"></a>00164 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#0cd0f7ff2de4ef4153a00e96cec9f0f1">progressItemAdded</a>(KPIM::ProgressItem*) ) );
<a name="l00165"></a>00165 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#402059dcac18f09541475435e22eff89">progressItemCanceled</a>(KPIM::ProgressItem*) ),
<a name="l00166"></a>00166 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#402059dcac18f09541475435e22eff89">progressItemCanceled</a>(KPIM::ProgressItem*) ) );
<a name="l00167"></a>00167 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#bc449055a5edeea0259eab0eff4ed54a">progressItemStatus</a>(KPIM::ProgressItem*, <span class="keyword">const</span> QString&) ),
<a name="l00168"></a>00168 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#bc449055a5edeea0259eab0eff4ed54a">progressItemStatus</a>(KPIM::ProgressItem*, <span class="keyword">const</span> QString&) ) );
<a name="l00169"></a>00169 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#449c9e0571d6a812a327b0870aa87a6f">progressItemLabel</a>(KPIM::ProgressItem*, <span class="keyword">const</span> QString&) ),
<a name="l00170"></a>00170 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#449c9e0571d6a812a327b0870aa87a6f">progressItemLabel</a>(KPIM::ProgressItem*, <span class="keyword">const</span> QString&) ) );
<a name="l00171"></a>00171 connect ( t, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#f143002b305842c170f719c089d7002e">progressItemUsesCrypto</a>(KPIM::ProgressItem*, <span class="keywordtype">bool</span>) ),
<a name="l00172"></a>00172 <span class="keyword">this</span>, SIGNAL( <a class="code" href="classKPIM_1_1ProgressManager.html#f143002b305842c170f719c089d7002e">progressItemUsesCrypto</a>(KPIM::ProgressItem*, <span class="keywordtype">bool</span>) ) );
<a name="l00173"></a>00173
<a name="l00174"></a>00174 emit <a class="code" href="classKPIM_1_1ProgressManager.html#0cd0f7ff2de4ef4153a00e96cec9f0f1">progressItemAdded</a>( t );
<a name="l00175"></a>00175 } <span class="keywordflow">else</span> {
<a name="l00176"></a>00176 <span class="comment">// Hm, is this what makes the most sense?</span>
<a name="l00177"></a>00177 t = mTransactions[id];
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 <span class="keywordflow">return</span> t;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 ProgressItem* ProgressManager::createProgressItemImpl(
<a name="l00183"></a>00183 <span class="keyword">const</span> QString& parent, <span class="keyword">const</span> QString &<span class="keywordtype">id</span>,
<a name="l00184"></a>00184 <span class="keyword">const</span> QString &label, <span class="keyword">const</span> QString& status,
<a name="l00185"></a>00185 <span class="keywordtype">bool</span> canBeCanceled, <span class="keywordtype">bool</span> usesCrypto )
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 ProgressItem * p = mTransactions[parent];
<a name="l00188"></a>00188 <span class="keywordflow">return</span> createProgressItemImpl( p, <span class="keywordtype">id</span>, label, status, canBeCanceled, usesCrypto );
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordtype">void</span> ProgressManager::emitShowProgressDialogImpl()
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 emit <a class="code" href="classKPIM_1_1ProgressManager.html#ce0446470f2af127aba1cae61583d58a" title="Emitted when an operation requests the listeners to be shown.">showProgressDialog</a>();
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// slots</span>
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordtype">void</span> ProgressManager::slotTransactionCompleted( ProgressItem *item )
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 mTransactions.remove( item->id() );
<a name="l00202"></a>00202 emit <a class="code" href="classKPIM_1_1ProgressManager.html#ccc6deda7305e9c3f447936c8b50a661">progressItemCompleted</a>( item );
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a><a class="code" href="classKPIM_1_1ProgressManager.html#7fa9eb3ecf8b653ab06a07b029a4d9eb">00205</a> <span class="keywordtype">void</span> <a class="code" href="classKPIM_1_1ProgressManager.html#7fa9eb3ecf8b653ab06a07b029a4d9eb" title="Calls setCompleted() on the item, to make sure it goes away.">ProgressManager::slotStandardCancelHandler</a>( ProgressItem *item )
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 item->setComplete();
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a><a class="code" href="classKPIM_1_1ProgressManager.html#fe6f45ccab730d241acbf07b9d2b3ce5">00210</a> ProgressItem* <a class="code" href="classKPIM_1_1ProgressManager.html#fe6f45ccab730d241acbf07b9d2b3ce5">ProgressManager::singleItem</a>()<span class="keyword"> const</span>
<a name="l00211"></a>00211 <span class="keyword"></span>{
<a name="l00212"></a>00212 ProgressItem *item = 0;
<a name="l00213"></a>00213 QDictIterator< ProgressItem > it( mTransactions );
<a name="l00214"></a>00214 <span class="keywordflow">for</span> ( ; it.current(); ++it ) {
<a name="l00215"></a>00215 <span class="keywordflow">if</span> ( !(*it)->parent() ) { <span class="comment">// if it's a top level one, only those count</span>
<a name="l00216"></a>00216 <span class="keywordflow">if</span> ( item )
<a name="l00217"></a>00217 <span class="keywordflow">return</span> 0; <span class="comment">// we found more than one</span>
<a name="l00218"></a>00218 <span class="keywordflow">else</span>
<a name="l00219"></a>00219 item = (*it);
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222 <span class="keywordflow">return</span> item;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a><a class="code" href="classKPIM_1_1ProgressManager.html#69d92194f4ffcbcecba2a1e36cb547f6">00225</a> <span class="keywordtype">void</span> <a class="code" href="classKPIM_1_1ProgressManager.html#69d92194f4ffcbcecba2a1e36cb547f6" title="Aborts all running jobs.">ProgressManager::slotAbortAll</a>()
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 QDictIterator< ProgressItem > it( mTransactions );
<a name="l00228"></a>00228 <span class="keywordflow">for</span> ( ; it.current(); ++it ) {
<a name="l00229"></a>00229 it.current()->cancel();
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232
<a name="l00233"></a>00233 } <span class="comment">// namespace</span>
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="preprocessor">#include "progressmanager.moc"</span>
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