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Code Issues Releases Wiki Activity

Fix by elestel to iTunes plugin: iTunesPlugin did not handle AboutToPromptUserToQuitEvent before

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(when user quit iTunes there will be a quit/don't quit dialog)
This commit is contained in:
jsmorley
2010-08-15 13:32:18 +00:00
parent f7d61add35
commit b3e93c0765
3 changed files with 110 additions and 23 deletions
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123
Plugins/PluginiTunes/iTunesPlugin.cpp
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@ -342,6 +342,90 @@ static bool updateCurrentTrack()
return (NULL != CurrentTrack);
}
static bool iTunesAboutToPromptUserToQuit = false;
// from http://www.codeproject.com/KB/cs/itunestray.aspx?msg=2300786#xx2300786xx
class CiTunesEventHandler : public _IiTunesEvents
{
private:
long m_dwRefCount;
ITypeInfo* m_pITypeInfo; // Pointer to type information.
public:
CiTunesEventHandler()
{
m_dwRefCount=0;
ITypeLib* pITypeLib = NULL ;
HRESULT hr = ::LoadRegTypeLib(LIBID_iTunesLib, 1, 5, 0x00, &pITypeLib) ;
// Get type information for the interface of the object.
hr = pITypeLib->GetTypeInfoOfGuid(DIID__IiTunesEvents, &m_pITypeInfo) ;
pITypeLib->Release() ;
}
~CiTunesEventHandler()
{}
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void **ppvObject)
{
if ((iid == IID_IDispatch)||(iid == DIID__IiTunesEvents)) {
m_dwRefCount++;
*ppvObject = this;//(_IiTunesEvents *)this;
return S_OK;
}
if (iid == IID_IUnknown) {
m_dwRefCount++;
*ppvObject = this;//(IUnknown *)this;
return S_OK;
}
return E_NOINTERFACE;
}
ULONG STDMETHODCALLTYPE CiTunesEventHandler::AddRef()
{
InterlockedIncrement(&m_dwRefCount);
return m_dwRefCount;
}
ULONG STDMETHODCALLTYPE Release()
{
InterlockedDecrement(&m_dwRefCount);
if (m_dwRefCount == 0) {
delete this;
return 0;
}
return m_dwRefCount;
}
HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *){return E_NOTIMPL;};
HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT,LCID,ITypeInfo ** ){return E_NOTIMPL;};
HRESULT STDMETHODCALLTYPE GetIDsOfNames(const IID &,LPOLESTR * ,UINT,LCID,DISPID *){return E_NOTIMPL;};
HRESULT STDMETHODCALLTYPE Invoke(DISPID dispidMember, REFIID, LCID,WORD, DISPPARAMS* pdispparams, VARIANT*,EXCEPINFO*, UINT*)
{
switch (dispidMember) //look in the documentation for "enum ITEvent" to get the numbers for the functions you want to implement
{
case 9: // AboutToPromptUserToQuitEvent
CurrentTrack.Release();
iTunes->Quit();
iTunes.Release();
InstanceCreated = false;
iTunesAboutToPromptUserToQuit = true;
break;
default:
break;
}
return S_OK;
}
};
static CiTunesEventHandler* iTunesEventHandler;
static void initEventHandler()
{
IConnectionPointContainer* icpc;
iTunes->QueryInterface(IID_IConnectionPointContainer, (void **)&icpc);
IConnectionPoint* icp;
icpc->FindConnectionPoint(DIID__IiTunesEvents, &icp);
icpc->Release();
DWORD dwAdvise;
iTunesEventHandler = new CiTunesEventHandler();
icp->Advise(iTunesEventHandler, &dwAdvise);
icp->Release();
}
/*
This function is called when the measure is initialized.
The function must return the maximum value that can be measured.
@ -373,6 +457,7 @@ UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id)
{
InstanceCreated = true;
LSLog(LOG_DEBUG, L"Rainmeter", L"iTunesApp initialized successfully.");
initEventHandler();
}
else
{
@ -410,24 +495,26 @@ UINT Update(UINT id)
{
if (!CoInitialized || !InstanceCreated)
{
// Check if the iTunes window has appeared
if (::FindWindow(L"iTunes", L"iTunes"))
{
if (SUCCEEDED(iTunes.CreateInstance(CLSID_iTunesApp, NULL, CLSCTX_LOCAL_SERVER)))
{
InstanceCreated = true;
LSLog(LOG_DEBUG, L"Rainmeter", L"iTunesApp initialized successfully.");
}
else
{
LSLog(LOG_DEBUG, L"Rainmeter", L"Unable to create the iTunesApp instance.");
return 0;
}
}
else
{
return 0;
}
// Check if the iTunes window has appeared
if (::FindWindow(L"iTunes", L"iTunes"))
{
if (!iTunesAboutToPromptUserToQuit && SUCCEEDED(iTunes.CreateInstance(CLSID_iTunesApp, NULL, CLSCTX_LOCAL_SERVER)))
{
InstanceCreated = true;
LSLog(LOG_DEBUG, L"Rainmeter", L"iTunesApp initialized successfully.");
initEventHandler();
}
else
{
LSLog(LOG_DEBUG, L"Rainmeter", L"Unable to create the iTunesApp instance.");
return 0;
}
}
else
{
iTunesAboutToPromptUserToQuit = false;
return 0;
}
}
CCommandIdMap::const_iterator it = CommandIdMap.find(id);