winamp/Src/Plugins/Library/ml_pmp/DeviceCommands.cpp

193 lines
3.6 KiB
C++

#include "main.h"
#include "DeviceCommands.h"
#include <strsafe.h>
PortableCommand::PortableCommand(const char *name, int title, int description)
: name(name), title(title), description(description)
{
}
const char *PortableCommand::GetName()
{
return name;
}
HRESULT PortableCommand::GetIcon(wchar_t *buffer, size_t bufferSize, int width, int height)
{
return E_NOTIMPL;
}
HRESULT PortableCommand::GetDisplayName(wchar_t *buffer, size_t bufferSize)
{
if (NULL == buffer)
return E_POINTER;
WASABI_API_LNGSTRINGW_BUF(title, buffer, bufferSize);
return S_OK;
}
HRESULT PortableCommand::GetDescription(wchar_t *buffer, size_t bufferSize)
{
if (NULL == buffer)
return E_POINTER;
WASABI_API_LNGSTRINGW_BUF(description, buffer, bufferSize);
return S_OK;
}
#define CBCLASS PortableCommand
START_DISPATCH;
CB(API_GETNAME, GetName);
CB(API_GETICON, GetIcon);
CB(API_GETDISPLAYNAME, GetDisplayName);
CB(API_GETDESCRIPTION, GetDescription);
END_DISPATCH;
#undef CBCLASS
BOOL SetDeviceCommandInfo(DeviceCommandInfo *info, const char *name, DeviceCommandFlags flags)
{
if (NULL == info)
return FALSE;
info->name = name;
info->flags = flags;
return TRUE;
}
/* -------------- */
DeviceCommand::DeviceCommand(const char *name, DeviceCommandFlags flags)
: name(name), flags(flags)
{
}
DeviceCommand::DeviceCommand(const DeviceCommandInfo *commandInfo)
: name(commandInfo->name), flags(commandInfo->flags)
{
}
const char *DeviceCommand::GetName()
{
return name;
}
HRESULT DeviceCommand::GetFlags(DeviceCommandFlags *flags)
{
*flags = this->flags;
return 0;
}
#define CBCLASS DeviceCommand
START_DISPATCH;
REFERENCE_COUNTED;
CB(API_GETNAME, GetName);
CB(API_GETFLAGS, GetFlags);
END_DISPATCH;
#undef CBCLASS
DeviceCommandEnumerator::DeviceCommandEnumerator(const DeviceCommandInfo *commandInfoList, size_t listSize)
: position(0), commands(NULL), count(0)
{
if (NULL != commandInfoList &&
0 != listSize)
{
commands = (DeviceCommand**)calloc(listSize, sizeof(DeviceCommand*));
if (NULL != commands)
{
for(count = 0; count < listSize; count++)
{
commands[count] = new DeviceCommand(&commandInfoList[count]);
}
}
}
}
DeviceCommandEnumerator::~DeviceCommandEnumerator()
{
if (NULL != commands)
{
while(count--)
commands[count]->Release();
free(commands);
}
}
HRESULT DeviceCommandEnumerator::Next(ifc_devicesupportedcommand **buffer, size_t bufferMax, size_t *fetched)
{
size_t available, copied, index;
DeviceCommand **source;
if (NULL == buffer)
return E_POINTER;
if (0 == bufferMax)
return E_INVALIDARG;
if (position >= count)
{
if (NULL != fetched)
*fetched = 0;
return S_FALSE;
}
available = count - position;
copied = ((available > bufferMax) ? bufferMax : available);
source = commands + position;
CopyMemory(buffer, source, copied * sizeof(ifc_devicesupportedcommand*));
for(index = 0; index < copied; index++)
buffer[index]->AddRef();
position += copied;
if (NULL != fetched)
*fetched = copied;
return (bufferMax == copied) ? S_OK : S_FALSE;
}
HRESULT DeviceCommandEnumerator::Reset(void)
{
position=0;
return S_OK;
}
HRESULT DeviceCommandEnumerator::Skip(size_t count)
{
position += count;
if (position > this->count)
position = this->count;
return (position < this->count) ? S_OK : S_FALSE;
}
HRESULT DeviceCommandEnumerator::GetCount(size_t *count)
{
if (NULL == count)
return E_POINTER;
*count = this->count;
return S_OK;
}
#define CBCLASS DeviceCommandEnumerator
START_DISPATCH;
CB(API_NEXT, Next);
CB(API_RESET, Reset);
CB(API_SKIP, Skip);
CB(API_GETCOUNT, GetCount);
REFERENCE_COUNTED;
END_DISPATCH;
#undef CBCLASS