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#include "stdafx.h"
// Event
bool HistoryArray::ItemData::load(EventLoadMode mode)
{
if (mode == ELM_NOTHING)
return true;
if ((mode == ELM_INFO) && !dbeOk) {
dbeOk = true;
dbe.cbBlob = 0;
dbe.pBlob = 0;
db_event_get(hEvent, &dbe);
return true;
}
if ((mode == ELM_DATA) && (!dbeOk || !dbe.cbBlob)) {
dbeOk = true;
dbe.cbBlob = db_event_getBlobSize(hEvent);
dbe.pBlob = (PBYTE)mir_calloc(dbe.cbBlob + 1);
db_event_get(hEvent, &dbe);
int aLength = 0;
atext = 0;
wtext = 0;
switch (dbe.eventType) {
case EVENTTYPE_STATUSCHANGE:
case EVENTTYPE_MESSAGE:
atext = (char *)dbe.pBlob;
atext_del = false;
aLength = (int)mir_strlen(atext);
if (dbe.cbBlob > (DWORD)aLength + 1) {
wtext = (wchar_t *)(dbe.pBlob + aLength + 1);
wtext_del = false;
}
break;
case EVENTTYPE_JABBER_PRESENCE:
wtext = DbEvent_GetTextW(&dbe, CP_ACP);
wtext_del = false;
break;
case EVENTTYPE_AUTHREQUEST:
atext = new char[512];
atext_del = true;
if ((dbe.cbBlob > 8) && *(dbe.pBlob + 8)) {
mir_snprintf(atext, 512, ("%s requested authorization"), dbe.pBlob + 8);
}
else {
mir_snprintf(atext, 512, ("%d requested authorization"), *(DWORD *)(dbe.pBlob));
}
aLength = (int)mir_strlen(atext);
break;
case EVENTTYPE_ADDED:
atext = new char[512];
atext_del = true;
if ((dbe.cbBlob > 8) && *(dbe.pBlob + 8)) {
mir_snprintf(atext, 512, ("%s added you to the contact list"), dbe.pBlob + 8);
}
else {
mir_snprintf(atext, 512, ("%d added you to the contact list"), *(DWORD *)(dbe.pBlob));
}
aLength = (int)mir_strlen(atext);
break;
}
if (atext && !wtext) {
#ifdef UNICODE
int bufSize = MultiByteToWideChar(CP_ACP, 0, atext, aLength + 1, 0, 0);
wtext = new wchar_t[bufSize + 1];
MultiByteToWideChar(CP_ACP, 0, atext, aLength + 1, wtext, bufSize);
wtext_del = true;
#else
this->wtext = 0;
wtext_del = false;
#endif
}
else if (!atext && wtext) {
// strange situation, really :) I'll fix this later
}
else if (!atext && !wtext) {
atext = "";
atext_del = false;
wtext = L"";
wtext_del = false;
}
return true;
}
return false;
}
HistoryArray::ItemData::~ItemData()
{
if (dbeOk && dbe.pBlob) {
mir_free(dbe.pBlob);
dbe.pBlob = 0;
}
if (wtext && wtext_del) delete[] wtext;
if (atext && atext_del) delete[] atext;
if (data) MTextDestroy(data);
}
// Array
HistoryArray::HistoryArray()
{
}
HistoryArray::~HistoryArray()
{
clear();
}
bool HistoryArray::allocateBlock(int count)
{
ItemBlock *newBlock = new ItemBlock;
newBlock->items = new ItemData[count];
newBlock->count = count;
newBlock->prev = tail;
newBlock->next = 0;
if (tail) {
tail->next = newBlock;
}
else {
head = newBlock;
}
tail = newBlock;
return true;
}
void HistoryArray::clear()
{
while (head) {
ItemBlock *next = head->next;
// for (int i = 0; i < head->count; ++i)
// destroyEvent(head->items[i]);
delete[] head->items;
head = next;
}
head = tail = 0;
preBlock = 0;
preIndex = 0;
}
bool HistoryArray::addHistory(MCONTACT hContact, EventLoadMode)
{
int count = db_event_count(hContact);
allocateBlock(count);
int i = 0;
MEVENT hEvent = db_event_first(hContact);
while (hEvent) {
tail->items[i].hContact = hContact;
tail->items[i].hEvent = hEvent;
++i;
hEvent = db_event_next(hContact, hEvent);
}
return true;
}
bool HistoryArray::addEvent(MCONTACT hContact, MEVENT hEvent, EventLoadMode mode)
{
allocateBlock(1);
tail->items[0].hContact = hContact;
tail->items[0].hEvent = hEvent;
if (mode != ELM_NOTHING)
tail->items[0].load(mode);
return true;
}
/*
bool HistoryArray::preloadEvents(int count)
{
for (int i = 0; i < count; ++i)
{
preBlock->items[preIndex].load(ELM_DATA);
if (++preIndex == preBlock->count)
{
preBlock = preBlock->next;
if (!preBlock)
return false;
preIndex = 0;
}
}
return true;
}
*/
HistoryArray::ItemData *HistoryArray::get(int id, EventLoadMode mode)
{
int offset = 0;
for (ItemBlock *p = head; p; p = p->next) {
if (id < offset + p->count) {
if (mode != ELM_NOTHING)
p->items[id - offset].load(mode);
return p->items + id - offset;
}
offset += p->count;
}
return 0;
}
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