haiku/src/kits/media/MediaFiles.cpp
shatty fa96039f9c address compiler warnings
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10076 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-11-21 03:43:15 +00:00

295 lines
6.9 KiB
C++

/***********************************************************************
* AUTHOR: Marcus Overhagen, Jérôme Duval
* FILE: MediaFiles.cpp
* DESCR:
***********************************************************************/
#include <MediaFiles.h>
#include "DataExchange.h"
#include "debug.h"
/*************************************************************
* public BMediaFiles
*************************************************************/
const char BMediaFiles::B_SOUNDS[] = "Sounds"; /* for "types" */
BMediaFiles::BMediaFiles()
: m_type_index(-1),
m_cur_type(""),
m_item_index(-1)
{
}
/* virtual */
BMediaFiles::~BMediaFiles()
{
}
/* virtual */ status_t
BMediaFiles::RewindTypes()
{
CALLED();
status_t rv;
server_rewindtypes_request request;
server_rewindtypes_reply reply;
for(int32 i = 0; i < m_types.CountItems(); i++)
delete (BString*)m_types.ItemAt(i);
m_types.MakeEmpty();
TRACE("BMediaFiles::RewindTypes: sending SERVER_REWINDTYPES\n");
rv = QueryServer(SERVER_REWINDTYPES, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaFiles::RewindTypes: failed to rewindtypes (error %#lx)\n", rv);
return rv;
}
char *types;
area_id clone;
clone = clone_area("rewind types clone", reinterpret_cast<void **>(&types), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, reply.area);
if (clone < B_OK) {
ERROR("BMediaFiles::RewindTypes failed to clone area, %#lx\n", clone);
delete_area(reply.area);
return B_ERROR;
}
for (int32 i = 0; i < reply.count; i++) {
m_types.AddItem(new BString(types + i * B_MEDIA_NAME_LENGTH));
}
delete_area(clone);
delete_area(reply.area);
m_type_index = 0;
return B_OK;
}
/* virtual */ status_t
BMediaFiles::GetNextType(BString *out_type)
{
CALLED();
if(m_type_index < 0 || m_type_index >= m_types.CountItems()) {
m_type_index = -1;
return B_BAD_INDEX;
}
*out_type = *(BString*)m_types.ItemAt(m_type_index);
m_type_index++;
return B_OK;
}
/* virtual */ status_t
BMediaFiles::RewindRefs(const char *type)
{
CALLED();
status_t rv;
server_rewindrefs_request request;
server_rewindrefs_reply reply;
for(int32 i = 0; i < m_items.CountItems(); i++)
delete (BString*)m_items.ItemAt(i);
m_items.MakeEmpty();
TRACE("BMediaFiles::RewindRefs: sending SERVER_REWINDREFS for type %s\n", type);
strncpy(request.type, type, B_MEDIA_NAME_LENGTH);
rv = QueryServer(SERVER_REWINDREFS, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaFiles::RewindRefs: failed to rewindrefs (error %#lx)\n", rv);
return rv;
}
if(reply.count>0) {
char *items;
area_id clone;
clone = clone_area("rewind refs clone", reinterpret_cast<void **>(&items), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, reply.area);
if (clone < B_OK) {
ERROR("BMediaFiles::RewindRefs failed to clone area, %#lx\n", clone);
delete_area(reply.area);
return B_ERROR;
}
for (int32 i = 0; i < reply.count; i++) {
m_items.AddItem(new BString(items + i * B_MEDIA_NAME_LENGTH));
}
delete_area(clone);
delete_area(reply.area);
}
m_cur_type = BString(type);
m_item_index = 0;
return B_OK;
}
/* virtual */ status_t
BMediaFiles::GetNextRef(BString *out_type,
entry_ref *out_ref)
{
CALLED();
if(m_item_index < 0 || m_item_index >= m_items.CountItems()) {
m_item_index = -1;
return B_BAD_INDEX;
}
*out_type = *(BString*)m_items.ItemAt(m_item_index);
m_item_index++;
GetRefFor(m_cur_type.String(), out_type->String(), out_ref);
return B_OK;
}
/* virtual */ status_t
BMediaFiles::GetRefFor(const char *type,
const char *item,
entry_ref *out_ref)
{
CALLED();
status_t rv;
server_getreffor_request request;
server_getreffor_reply reply;
strncpy(request.type, type, B_MEDIA_NAME_LENGTH);
strncpy(request.item, item, B_MEDIA_NAME_LENGTH);
TRACE("BMediaFiles::GetRefFor: sending SERVER_GETREFFOR\n");
rv = QueryServer(SERVER_GETREFFOR, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
entry_ref ref;
*out_ref = ref;
ERROR("BMediaFiles::GetRefFor: failed to getreffor (error %#lx)\n", rv);
return rv;
}
*out_ref = reply.ref;
return B_OK;
}
status_t
BMediaFiles::GetAudioGainFor(const char * type,
const char * item,
float * out_audio_gain)
{
UNIMPLEMENTED();
*out_audio_gain = 1.0f;
return B_OK;
}
/* virtual */ status_t
BMediaFiles::SetRefFor(const char *type,
const char *item,
const entry_ref &ref)
{
CALLED();
status_t rv;
server_setreffor_request request;
server_setreffor_reply reply;
strncpy(request.type, type, B_MEDIA_NAME_LENGTH);
strncpy(request.item, item, B_MEDIA_NAME_LENGTH);
request.ref = ref;
TRACE("BMediaFiles::SetRefFor: sending SERVER_SETREFFOR\n");
rv = QueryServer(SERVER_SETREFFOR, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaFiles::SetRefFor: failed to setreffor (error %#lx)\n", rv);
return rv;
}
return B_OK;
}
status_t
BMediaFiles::SetAudioGainFor(const char * type,
const char * item,
float audio_gain)
{
UNIMPLEMENTED();
return B_OK;
}
/* virtual */ status_t
BMediaFiles::RemoveRefFor(const char *type,
const char *item,
const entry_ref &ref)
{
status_t rv;
server_removereffor_request request;
server_removereffor_reply reply;
strncpy(request.type, type, B_MEDIA_NAME_LENGTH);
strncpy(request.item, item, B_MEDIA_NAME_LENGTH);
request.ref = ref;
TRACE("BMediaFiles::RemoveRefFor: sending SERVER_REMOVEREFFOR\n");
rv = QueryServer(SERVER_REMOVEREFFOR, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaFiles::RemoveRefFor: failed to removereffor (error %#lx)\n", rv);
return rv;
}
return B_OK;
}
/* virtual */ status_t
BMediaFiles::RemoveItem(const char *type,
const char *item)
{
status_t rv;
server_removeitem_request request;
server_removeitem_reply reply;
strncpy(request.type, type, B_MEDIA_NAME_LENGTH);
strncpy(request.item, item, B_MEDIA_NAME_LENGTH);
TRACE("BMediaFiles::RemoveItem: sending SERVER_REMOVEITEM\n");
rv = QueryServer(SERVER_REMOVEITEM, &request, sizeof(request), &reply, sizeof(reply));
if (rv != B_OK) {
ERROR("BMediaFiles::RemoveItem: failed to removeitem (error %#lx)\n", rv);
return rv;
}
return B_OK;
}
/*************************************************************
* private BMediaFiles
*************************************************************/
status_t BMediaFiles::_Reserved_MediaFiles_0(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_1(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_2(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_3(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_4(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_5(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_6(void *,...) { return B_ERROR; }
status_t BMediaFiles::_Reserved_MediaFiles_7(void *,...) { return B_ERROR; }