winamp/Src/devices/deviceEventManager.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./deviceEventManager.h"
DeviceEventManager::DeviceEventManager()
: ref(1)
{
InitializeCriticalSection(&lock);
}
DeviceEventManager::~DeviceEventManager()
{
Lock();
size_t index = handlerList.size();
while(index--)
{
ifc_deviceevent *handler = handlerList[index];
handler->Release();
}
Unlock();
DeleteCriticalSection(&lock);
}
HRESULT DeviceEventManager::CreateInstance(DeviceEventManager **instance)
{
if (NULL == instance)
return E_POINTER;
*instance = new DeviceEventManager();
if (NULL == *instance)
return E_OUTOFMEMORY;
return S_OK;
}
size_t DeviceEventManager::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t DeviceEventManager::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int DeviceEventManager::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_DeviceEventManager))
*object = static_cast<ifc_deviceeventmanager*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
void DeviceEventManager::Lock()
{
EnterCriticalSection(&lock);
}
void DeviceEventManager::Unlock()
{
LeaveCriticalSection(&lock);
}
HRESULT DeviceEventManager::Advise(ifc_deviceevent *handler)
{
HRESULT hr;
size_t index;
Lock();
hr = S_OK;
index = handlerList.size();
while(index--)
{
if (handler == handlerList[index])
{
hr = E_FAIL;
break;
}
}
if (SUCCEEDED(hr))
{
handlerList.push_back(handler);
handler->AddRef();
}
Unlock();
return hr;
}
HRESULT DeviceEventManager::Unadvise(ifc_deviceevent *handler)
{
Lock();
HRESULT hr = S_FALSE;
size_t index = handlerList.size();
while(index--)
{
if (handler == handlerList[index])
{
handlerList.erase(handlerList.begin() + index);
handler->Release();
hr = S_OK;
break;
}
}
Unlock();
return hr;
}
void DeviceEventManager::Notify_IconChanged(ifc_device *device)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->IconChanged(device);
}
Unlock();
}
void DeviceEventManager::Notify_DisplayNameChanged(ifc_device *device, const wchar_t *displayName)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->DisplayNameChanged(device, displayName);
}
Unlock();
}
void DeviceEventManager::Notify_AttachmentChanged(ifc_device *device, BOOL attached)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->AttachmentChanged(device, attached);
}
Unlock();
}
void DeviceEventManager::Notify_VisibilityChanged(ifc_device *device, BOOL visible)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->VisibilityChanged(device, visible);
}
Unlock();
}
void DeviceEventManager::Notify_TotalSpaceChanged(ifc_device *device, uint64_t space)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->TotalSpaceChanged(device, space);
}
Unlock();
}
void DeviceEventManager::Notify_UsedSpaceChanged(ifc_device *device, uint64_t space)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->UsedSpaceChanged(device, space);
}
Unlock();
}
void DeviceEventManager::Notfiy_CommandChanged(ifc_device *device)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->CommandChanged(device);
}
Unlock();
}
void DeviceEventManager::Notify_ActivityStarted(ifc_device *device, ifc_deviceactivity *activity)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->ActivityStarted(device, activity);
}
Unlock();
}
void DeviceEventManager::Notify_ActivityFinished(ifc_device *device, ifc_deviceactivity *activity)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->ActivityFinished(device, activity);
}
Unlock();
}
void DeviceEventManager::Notify_ActivityChanged(ifc_device *device, ifc_deviceactivity *activity)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->ActivityChanged(device, activity);
}
Unlock();
}
void DeviceEventManager::Notify_ModelChanged(ifc_device *device, const wchar_t *model)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->ModelChanged(device, model);
}
Unlock();
}
void DeviceEventManager::Notify_StatusChanged(ifc_device *device, const wchar_t *status)
{
Lock();
size_t index, count = handlerList.size();
for(index = 0; index < count;index++)
{
ifc_deviceevent *handler = handlerList[index];
handler->StatusChanged(device, status);
}
Unlock();
}
#define CBCLASS DeviceEventManager
START_DISPATCH;
CB(ADDREF, AddRef)
CB(RELEASE, Release)
CB(QUERYINTERFACE, QueryInterface)
CB(API_ADVISE, Advise)
CB(API_UNADVISE, Unadvise)
VCB(API_NOTIFY_ICONCHANGED, Notify_IconChanged)
VCB(API_NOTIFY_DISPLAYNAMECHANGED, Notify_DisplayNameChanged)
VCB(API_NOTIFY_ATTACHMENTCHANGED, Notify_AttachmentChanged)
VCB(API_NOTIFY_VISIBILITYCHANGED, Notify_VisibilityChanged)
VCB(API_NOTIFY_TOTALSPACECHANGED, Notify_TotalSpaceChanged)
VCB(API_NOTIFY_USEDSPACECHANGED, Notify_UsedSpaceChanged)
VCB(API_NOTIFY_COMMANDCHANGED, Notfiy_CommandChanged)
VCB(API_NOTIFY_ACTIVITYSTARTED, Notify_ActivityStarted)
VCB(API_NOTIFY_ACTIVITYFINISHED, Notify_ActivityFinished)
VCB(API_NOTIFY_ACTIVITYCHANGED, Notify_ActivityChanged)
VCB(API_NOTIFY_MODELCHANGED, Notify_ModelChanged)
VCB(API_NOTIFY_STATUSCHANGED, Notify_StatusChanged)
END_DISPATCH;
#undef CBCLASS