private int EventAdded(IntPtr wParam, IntPtr lParam)
{
IntPtr hContact = wParam;
IntPtr hDBEvent = lParam;
int blobSize = this.CallService("DB/Event/GetBlobSize",
hDBEvent, IntPtr.Zero).ToInt32();
using (var pBlob = new AutoPtr(Marshal.AllocHGlobal(blobSize)))
using (var pDBEventInfo = new AutoPtr(
Marshal.AllocHGlobal(Marshal.SizeOf(typeof (DBEventInfo)))))
{
var eventInfo = new DBEventInfo();
eventInfo.pBlob = pBlob;
eventInfo.cbBlob = (uint)blobSize;
Marshal.StructureToPtr(eventInfo, pDBEventInfo, false);
this.CallService("DB/Event/Get", hDBEvent, pDBEventInfo);
eventInfo = (DBEventInfo)Marshal.PtrToStructure(pDBEventInfo,
typeof (DBEventInfo));
if (eventInfo.eventType == DBEventInfo.EVENTTYPE_MESSAGE)
{
using (var pDBEventGetText = new AutoPtr(
Marshal.AllocHGlobal(Marshal.SizeOf(
typeof (DBEventGetText)))))
{
var getText = new DBEventGetText();
getText.dbei = pDBEventInfo;
getText.datatype = Utils.DBVT_ASCIIZ;
getText.codepage = 1251;
Marshal.StructureToPtr(getText, pDBEventGetText,
false);
IntPtr pString = this.CallService(
"DB/Event/GetText", IntPtr.Zero, pDBEventGetText);
string message = Marshal.PtrToStringAnsi(pString);
mmi.mmi_free(pString);
var contact = new Contact(hContact);
DateTime eventTime = new DateTime(1970, 1, 1).
AddSeconds(eventInfo.timestamp).ToUniversalTime();
if ((eventInfo.flags & DBEventInfo.DBEF_SENT) != 0)
{
if (MessageSentEvent != null)
MessageSentEvent(contact, eventTime, message);
}
else
{
if (MessageReceivedEvent != null)
MessageReceivedEvent(contact, eventTime,
message);
}
}
}
}
return 0;
}
/// <summary>
/// Creates instance of history item and loads its content from
/// database.
/// </summary>
/// <param name="contact">
/// Contact with whom history this item is associated.
/// </param>
/// <param name="hEvent">
/// Miranda event handle.
/// </param>
internal static HistoryItem Load(Contact contact,
IntPtr hEvent)
{
if (hEvent == IntPtr.Zero)
throw new ArgumentException("hEvent cannot be zero.");
// Miranda interface for freeing strings:
var mmi = MMInterface.GetMMI();
using (var pDbEventInfo = new AutoPtr(Marshal.AllocHGlobal(
Marshal.SizeOf(typeof (DBEventInfo)))))
{
var result = Plugin.m_CallService(
"DB/Event/Get",
hEvent,
pDbEventInfo);
if (result != IntPtr.Zero)
throw new DatabaseException();
var eventInfo =
(DBEventInfo)
Marshal.PtrToStructure(pDbEventInfo, typeof (DBEventInfo));
var type = (HistoryItemType)eventInfo.eventType;
var direction = (eventInfo.flags & DBEventInfo.DBEF_SENT) != 0
? HistoryItemDirection.Outgoing
: HistoryItemDirection.Incoming;
var historyItem = new HistoryItem(type, direction);
if (type == HistoryItemType.Message)
{
// Get message text:
using (var pDbEventGetText = new AutoPtr(
Marshal.AllocHGlobal(Marshal.SizeOf(
typeof (DBEventGetText)))))
{
var getText = new DBEventGetText();
getText.dbei = pDbEventInfo;
getText.datatype = Utils.DBVT_WCHAR;
Marshal.StructureToPtr(getText, pDbEventGetText, false);
var pString = Plugin.m_CallService(
"DB/Event/GetText",
IntPtr.Zero,
pDbEventGetText);
mmi.mmi_free(pString);
var message = Marshal.PtrToStringUni(pString);
historyItem.MessageText = message;
}
}
historyItem.Contact = contact;
historyItem.DateTime = new DateTime(1970, 1, 1)
.AddSeconds(eventInfo.timestamp);
return historyItem;
}
}