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urlmon: Abstract ProtocolStream object.

oldstable
Jacek Caban 2008-01-31 18:15:53 +01:00 committed by Alexandre Julliard
parent 6b854ff480
commit 4985ca0e1c
1 changed files with 80 additions and 39 deletions
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119
dlls/urlmon/binding.c
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@ -50,15 +50,19 @@ typedef struct {
HRESULT hres;
} stgmed_buf_t;
#define STGMEDUNK(x) ((IUnknown*) &(x)->lpUnknownVtbl)
typedef struct _stgmed_obj_t stgmed_obj_t;
typedef struct {
const IStreamVtbl *lpStreamVtbl;
void (*release)(stgmed_obj_t*);
HRESULT (*fill_stgmed)(stgmed_obj_t*,STGMEDIUM*);
void *(*get_result)(stgmed_obj_t*);
} stgmed_obj_vtbl;
LONG ref;
struct _stgmed_obj_t {
const stgmed_obj_vtbl *vtbl;
};
stgmed_buf_t *buf;
} ProtocolStream;
#define STGMEDUNK(x) ((IUnknown*) &(x)->lpUnknownVtbl)
typedef enum {
BEFORE_DOWNLOAD,
@ -83,7 +87,7 @@ struct Binding {
IServiceProvider *service_provider;
stgmed_buf_t *stgmed_buf;
ProtocolStream *stream;
stgmed_obj_t *stgmed_obj;
BINDINFO bindinfo;
DWORD bindf;
@ -104,8 +108,6 @@ struct Binding {
DWORD apartment_thread;
HWND notif_hwnd;
STGMEDIUM stgmed;
task_header_t *task_queue_head, *task_queue_tail;
CRITICAL_SECTION section;
};
@ -527,6 +529,33 @@ static const IUnknownVtbl StgMedUnkVtbl = {
StgMedUnk_Release
};
static stgmed_buf_t *create_stgmed_buf(IInternetProtocol *protocol)
{
stgmed_buf_t *ret = heap_alloc(sizeof(*ret));
ret->lpUnknownVtbl = &StgMedUnkVtbl;
ret->ref = 1;
ret->size = 0;
ret->init = FALSE;
ret->hres = S_OK;
IInternetProtocol_AddRef(protocol);
ret->protocol = protocol;
URLMON_LockModule();
return ret;
}
typedef struct {
stgmed_obj_t stgmed_obj;
const IStreamVtbl *lpStreamVtbl;
LONG ref;
stgmed_buf_t *buf;
} ProtocolStream;
#define STREAM_THIS(iface) DEFINE_THIS(ProtocolStream, Stream, iface)
static HRESULT WINAPI ProtocolStream_QueryInterface(IStream *iface,
@ -724,30 +753,42 @@ static const IStreamVtbl ProtocolStreamVtbl = {
ProtocolStream_Clone
};
#define BINDING_THIS(iface) DEFINE_THIS(Binding, Binding, iface)
static stgmed_buf_t *create_stgmed_buf(IInternetProtocol *protocol)
static void stgmed_stream_release(stgmed_obj_t *obj)
{
stgmed_buf_t *ret = heap_alloc(sizeof(*ret));
ret->lpUnknownVtbl = &StgMedUnkVtbl;
ret->ref = 1;
ret->size = 0;
ret->init = FALSE;
ret->hres = S_OK;
IInternetProtocol_AddRef(protocol);
ret->protocol = protocol;
URLMON_LockModule();
return ret;
ProtocolStream *stream = (ProtocolStream*)obj;
IStream_Release(STREAM(stream));
}
static ProtocolStream *create_stream(stgmed_buf_t *buf)
static HRESULT stgmed_stream_fill_stgmed(stgmed_obj_t *obj, STGMEDIUM *stgmed)
{
ProtocolStream *stream = (ProtocolStream*)obj;
stgmed->tymed = TYMED_ISTREAM;
stgmed->u.pstm = STREAM(stream);
stgmed->pUnkForRelease = STGMEDUNK(stream->buf);
return S_OK;
}
static void *stgmed_stream_get_result(stgmed_obj_t *obj)
{
ProtocolStream *stream = (ProtocolStream*)obj;
IStream_AddRef(STREAM(stream));
return STREAM(stream);
}
static const stgmed_obj_vtbl stgmed_stream_vtbl = {
stgmed_stream_release,
stgmed_stream_fill_stgmed,
stgmed_stream_get_result
};
static stgmed_obj_t *create_stgmed_stream(stgmed_buf_t *buf)
{
ProtocolStream *ret = heap_alloc(sizeof(ProtocolStream));
ret->stgmed_obj.vtbl = &stgmed_stream_vtbl;
ret->lpStreamVtbl = &ProtocolStreamVtbl;
ret->ref = 1;
@ -756,9 +797,11 @@ static ProtocolStream *create_stream(stgmed_buf_t *buf)
URLMON_LockModule();
return ret;
return &ret->stgmed_obj;
}
#define BINDING_THIS(iface) DEFINE_THIS(Binding, Binding, iface)
static HRESULT WINAPI Binding_QueryInterface(IBinding *iface, REFIID riid, void **ppv)
{
Binding *This = BINDING_THIS(iface);
@ -821,8 +864,8 @@ static ULONG WINAPI Binding_Release(IBinding *iface)
IServiceProvider_Release(This->service_provider);
if(This->stgmed_buf)
IUnknown_Release(STGMEDUNK(This->stgmed_buf));
if(This->stream)
IStream_Release(STREAM(This->stream));
if(This->stgmed_obj)
This->stgmed_obj->vtbl->release(This->stgmed_obj);
if(This->obj)
IUnknown_Release(This->obj);
if(This->bctx)
@ -1106,6 +1149,8 @@ static void report_data(Binding *This, DWORD bscf, ULONG progress, ULONG progres
if(!(This->state & BINDING_OBJAVAIL))
create_object(This);
}else {
STGMEDIUM stgmed;
if(!(This->state & BINDING_LOCKED)) {
HRESULT hres = IInternetProtocol_LockRequest(This->protocol, 0);
if(SUCCEEDED(hres))
@ -1113,8 +1158,10 @@ static void report_data(Binding *This, DWORD bscf, ULONG progress, ULONG progres
}
formatetc.cfFormat = This->clipboard_format;
This->stgmed_obj->vtbl->fill_stgmed(This->stgmed_obj, &stgmed);
IBindStatusCallback_OnDataAvailable(This->callback, bscf, progress,
&formatetc, &This->stgmed);
&formatetc, &stgmed);
if(This->download_state == END_DOWNLOAD)
stop_binding(This, S_OK, NULL);
@ -1493,16 +1540,12 @@ static HRESULT Binding_Create(IMoniker *mon, Binding *binding_ctx, LPCWSTR url,
if(binding_ctx) {
ret->stgmed_buf = binding_ctx->stgmed_buf;
IUnknown_AddRef(STGMEDUNK(ret->stgmed_buf));
ret->stream = binding_ctx->stream;
IStream_AddRef(STREAM(binding_ctx->stream));
ret->clipboard_format = binding_ctx->clipboard_format;
}else {
ret->stgmed_buf = create_stgmed_buf(ret->protocol);
ret->stream = create_stream(ret->stgmed_buf);
}
ret->stgmed.tymed = TYMED_ISTREAM;
ret->stgmed.u.pstm = STREAM((ProtocolStream*)ret->stream);
ret->stgmed.pUnkForRelease = (IUnknown*)BINDING(ret); /* NOTE: Windows uses other IUnknown */
ret->stgmed_obj = create_stgmed_stream(ret->stgmed_buf);
*binding = ret;
return S_OK;
@ -1576,9 +1619,7 @@ HRESULT bind_to_storage(LPCWSTR url, IBindCtx *pbc, REFIID riid, void **ppv)
if((binding->state & BINDING_STOPPED) && (binding->state & BINDING_LOCKED))
IInternetProtocol_UnlockRequest(binding->protocol);
*ppv = binding->stgmed.u.pstm;
IStream_AddRef(binding->stgmed.u.pstm);
*ppv = binding->stgmed_obj->vtbl->get_result(binding->stgmed_obj);
hres = S_OK;
}else {
hres = MK_S_ASYNCHRONOUS;