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unit MSNInfo;
interface
type
pMSNInfo = ^tMSNInfo;
tMSNInfo = record
msnPlayer:pWideChar;
msnArtist:pWideChar;
msnTitle :pWideChar;
msnAlbum :pWideChar;
end;
procedure StartMSNHook;
procedure StopMSNHook;
function GetMSNInfo:pMSNInfo;
implementation
uses windows, messages, common;
const
HWND_MESSAGE = HWND(-3);
const
MSNClassName = 'MsnMsgrUIManager';
const
hMSNWindow:THANDLE = 0;
const
RealMSNData:PWideChar = nil;
anMSNInfo:tMSNInfo =(
msnPlayer:nil;
msnArtist:nil;
msnTitle :nil;
msnAlbum :nil
);
function GetMSNInfo:pMSNInfo;
begin
if ((anMSNInfo.msnPlayer=nil) or (anMSNInfo.msnPlayer^=#0)) and
((anMSNInfo.msnArtist=nil) or (anMSNInfo.msnArtist^=#0)) and
((anMSNInfo.msnTitle =nil) or (anMSNInfo.msnTitle ^=#0)) and
((anMSNInfo.msnAlbum =nil) or (anMSNInfo.msnAlbum ^=#0)) then
result:=nil
else
result:=@anMSNInfo;
end;
procedure ClearMSNInfo;
begin
if RealMSNData<>nil then
begin
mFreeMem(RealMSNData);
RealMSNData:=nil;
end;
FillChar(anMSNInfo,SizeOf(anMSNInfo),0);
{FreeMem(anMSNInfo.msnPlayer);} //anMSNInfo.msnPlayer:=nil;
{FreeMem(anMSNInfo.msnArtist);} //anMSNInfo.msnArtist:=nil;
{FreeMem(anMSNInfo.msnTitle); } //anMSNInfo.msnTitle :=nil;
{FreeMem(anMSNInfo.msnAlbum); } //anMSNInfo.msnAlbum :=nil;
end;
procedure Split(pc:pWideChar);
var
lpc:pWideChar;
begin
// Player
anMSNInfo.msnPlayer:=pc;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
// Type
lpc:=pc;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
if StrCmpW(lpc,'Music')<>0 then
begin
anMSNInfo.msnPlayer:=nil;
exit;
end;
// Status
lpc:=pc;
if lpc^='0' then // stop track
begin
anMSNInfo.msnPlayer:=nil;
exit;
end;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
// Format - just skip
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
// Artist
anMSNInfo.msnArtist:=pc;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
// Title
anMSNInfo.msnTitle:=pc;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
inc(pc,2);
// Album
anMSNInfo.msnAlbum:=pc;
while (pc^<>'\') or ((pc+1)^<>'0') do inc(pc);
pc^:=#0;
// WMContentID - not needs
end;
function dlgMSNHook(Dialog:HWnd;hMessage:UINT;wParam:WPARAM;lParam:LPARAM):lresult; stdcall;
var
pMyCDS:PCOPYDATASTRUCT;
begin
result:=0;
case hMessage of
WM_COPYDATA: begin
pMyCDS:=PCOPYDATASTRUCT(lParam);
if pMyCDS^.dwData=1351 then // Media player info
begin
ClearMSNInfo;
Split(StrDupW(RealMSNData,pWideChar(pMyCDS^.lpData)));
end;
end;
else
result:=DefWindowProc(Dialog,hMessage,wParam,lParam);
end;
end;
procedure StartMSNhook;
var
msnClass:TWNDCLASSW;
hMSNClass:THANDLE;
begin
FillChar(msnClass,SizeOf(TWNDCLASS),0);
msnClass.hInstance :=hInstance;
msnClass.lpszClassName:=MSNClassName;
msnClass.lpfnWndProc :=@dlgMSNHook;
hMSNClass:=RegisterClassW(msnClass);
if (hMSNClass<>0) and (hMSNWindow=0) then
begin
hMSNWindow:=CreateWindowExW(0,PWideChar(hMSNClass),nil,0,1,1,1,1,HWND_MESSAGE,0,hInstance,nil);
end;
ClearMSNInfo;
end;
procedure StopMSNHook;
begin
if hMSNWindow<>0 then
begin
DestroyWindow(hMSNWindow);
hMSNWindow:=0;
ClearMSNInfo;
UnRegisterClass(MSNClassName,hInstance);
end;
end;
//finalization
// StopMSNHook;
end.
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