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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kmail/kmmsglist.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
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
Diffstat (limited to 'kmail/kmmsglist.cpp')
-rw-r--r--kmail/kmmsglist.cpp186
1 files changed, 186 insertions, 0 deletions
diff --git a/kmail/kmmsglist.cpp b/kmail/kmmsglist.cpp
new file mode 100644
index 000000000..b5af84894
--- /dev/null
+++ b/kmail/kmmsglist.cpp
@@ -0,0 +1,186 @@
+// kmmsglist.cpp
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "kmmsglist.h"
+#include "kmmsgdict.h" // FIXME Till - move those into kmfolderindex
+#include "kmkernel.h"
+#include <assert.h>
+#include <stdlib.h>
+
+//-----------------------------------------------------------------------------
+KMMsgList::KMMsgList(int initSize)
+ : QMemArray<KMMsgBase*>(initSize),
+ mHigh( 0 ), mCount( 0 )
+{
+ if ( size() > 0 )
+ for (unsigned int i=size(); i>0; i--)
+ QMemArray<KMMsgBase*>::at(i-1) = 0;
+}
+
+
+//-----------------------------------------------------------------------------
+KMMsgList::~KMMsgList()
+{
+ clear(TRUE);
+}
+
+
+//-----------------------------------------------------------------------------
+void KMMsgList::clear(bool doDelete, bool syncDict)
+{
+ if ( mHigh > 0 )
+ for (unsigned int i=mHigh; i>0; i--)
+ {
+ KMMsgBase * msg = at(i-1);
+ if (msg) {
+ if ( syncDict )
+ KMMsgDict::mutableInstance()->remove(msg);
+ at(i-1) = 0;
+ if (doDelete) delete msg;
+ }
+ }
+ mHigh = 0;
+ mCount = 0;
+}
+
+
+//-----------------------------------------------------------------------------
+bool KMMsgList::resize(unsigned int aSize)
+{
+ unsigned int i, oldSize = size();
+ KMMsgBase* msg;
+
+ // delete messages that will get lost, if any
+ if (aSize < mHigh)
+ {
+ for (i=aSize; i<mHigh; i++)
+ {
+ msg = at(i);
+ if (msg)
+ {
+ delete msg;
+ mCount--;
+ }
+ mHigh = aSize;
+ }
+ }
+
+ // do the resizing
+ if (!QMemArray<KMMsgBase*>::resize(aSize)) return FALSE;
+
+ // initialize new elements
+ for (i=oldSize; i<aSize; i++)
+ at(i) = 0;
+
+ return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+bool KMMsgList::reset(unsigned int aSize)
+{
+ if (!resize(aSize)) return FALSE;
+ clear();
+ return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+void KMMsgList::set(unsigned int idx, KMMsgBase* aMsg)
+{
+ if (idx >= size())
+ resize( idx > 2 * size() ? idx + 16 : 2 * size() );
+
+ if (!at(idx) && aMsg) mCount++;
+ else if (at(idx) && !aMsg) mCount--;
+
+ at(idx) = aMsg;
+
+ if (!aMsg || idx >= mHigh) rethinkHigh();
+}
+
+
+//-----------------------------------------------------------------------------
+void KMMsgList::insert(unsigned int idx, KMMsgBase* aMsg, bool syncDict)
+{
+ if (idx >= size())
+ resize( idx > 2 * size() ? idx + 16 : 2 * size() );
+
+ if (aMsg) mCount++;
+
+ for (unsigned int i=mHigh; i>idx; i--) {
+ if ( syncDict )
+ KMMsgDict::mutableInstance()->remove(at(i - 1));
+ at(i) = at(i-1);
+ if ( syncDict )
+ KMMsgDict::mutableInstance()->insert(at(i), i);
+ }
+
+ at(idx) = aMsg;
+ if ( syncDict )
+ KMMsgDict::mutableInstance()->insert(at(idx), idx);
+
+ mHigh++;
+}
+
+
+//-----------------------------------------------------------------------------
+unsigned int KMMsgList::append(KMMsgBase* aMsg, bool syncDict)
+{
+ const unsigned int idx = mHigh;
+ insert(idx, aMsg, syncDict); // mHigh gets modified in here
+ return idx;
+}
+
+
+//-----------------------------------------------------------------------------
+void KMMsgList::remove(unsigned int idx)
+{
+ assert(idx<size());
+ if (at(idx)) {
+ mCount--;
+ KMMsgDict::mutableInstance()->remove(at(idx));
+ }
+
+ mHigh--;
+ for (unsigned int i=idx; i<mHigh; i++) {
+ KMMsgDict::mutableInstance()->update(at(i + 1), i + 1, i);
+ at(i) = at(i+1);
+ }
+
+ at(mHigh) = 0;
+
+ rethinkHigh();
+}
+
+
+//-----------------------------------------------------------------------------
+KMMsgBase* KMMsgList::take(unsigned int idx)
+{
+ KMMsgBase* msg=at(idx);
+ remove(idx);
+ return msg;
+}
+
+
+//-----------------------------------------------------------------------------
+void KMMsgList::rethinkHigh()
+{
+ unsigned int sz = size();
+
+ if (mHigh < sz && at(mHigh))
+ {
+ // forward search
+ while (mHigh < sz && at(mHigh))
+ mHigh++;
+ }
+ else
+ {
+ // backward search
+ while (mHigh>0 && !at(mHigh-1))
+ mHigh--;
+ }
+}