Sweden-Number/dlls/mshtml/dispex.c

680 lines
18 KiB
C

/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "wine/debug.h"
#include "mshtml_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
typedef struct {
DISPID id;
BSTR name;
tid_t tid;
} func_info_t;
struct dispex_data_t {
DWORD func_cnt;
func_info_t *funcs;
func_info_t **name_table;
struct list entry;
};
typedef struct {
VARIANT var;
LPWSTR name;
} dynamic_prop_t;
struct dispex_dynamic_data_t {
DWORD buf_size;
DWORD prop_cnt;
dynamic_prop_t *props;
};
#define DISPID_DYNPROP_0 0x50000000
#define DISPID_DYNPROP_MAX 0x5fffffff
static ITypeLib *typelib;
static ITypeInfo *typeinfos[LAST_tid];
static struct list dispex_data_list = LIST_INIT(dispex_data_list);
static REFIID tid_ids[] = {
&IID_NULL,
&DIID_DispDOMChildrenCollection,
&DIID_DispHTMLBody,
&DIID_DispHTMLCommentElement,
&DIID_DispHTMLDocument,
&DIID_DispHTMLDOMTextNode,
&DIID_DispHTMLElementCollection,
&DIID_DispHTMLGenericElement,
&DIID_DispHTMLImg,
&DIID_DispHTMLInputElement,
&DIID_DispHTMLOptionElement,
&DIID_DispHTMLSelectElement,
&DIID_DispHTMLStyle,
&DIID_DispHTMLUnknownElement,
&DIID_DispHTMLWindow2,
&IID_IHTMLBodyElement,
&IID_IHTMLBodyElement2,
&IID_IHTMLCommentElement,
&IID_IHTMLControlElement,
&IID_IHTMLDocument2,
&IID_IHTMLDocument3,
&IID_IHTMLDocument4,
&IID_IHTMLDocument5,
&IID_IHTMLDOMChildrenCollection,
&IID_IHTMLDOMNode,
&IID_IHTMLDOMNode2,
&IID_IHTMLDOMTextNode,
&IID_IHTMLElement,
&IID_IHTMLElement2,
&IID_IHTMLElement3,
&IID_IHTMLElement4,
&IID_IHTMLElementCollection,
&IID_IHTMLGenericElement,
&IID_IHTMLImgElement,
&IID_IHTMLInputElement,
&IID_IHTMLOptionElement,
&IID_IHTMLSelectElement,
&IID_IHTMLStyle,
&IID_IHTMLTextContainer,
&IID_IHTMLUniqueName,
&IID_IHTMLWindow2,
&IID_IHTMLWindow3,
&IID_IOmNavigator
};
HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
{
HRESULT hres;
if(!typelib) {
ITypeLib *tl;
hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
if(FAILED(hres)) {
ERR("LoadRegTypeLib failed: %08x\n", hres);
return hres;
}
if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
ITypeLib_Release(tl);
}
if(!typeinfos[tid]) {
ITypeInfo *typeinfo;
hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
if(FAILED(hres)) {
ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
return hres;
}
if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
ITypeInfo_Release(typeinfo);
}
*typeinfo = typeinfos[tid];
return S_OK;
}
void release_typelib(void)
{
dispex_data_t *iter;
unsigned i;
while(!list_empty(&dispex_data_list)) {
iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
list_remove(&iter->entry);
for(i=0; i < iter->func_cnt; i++)
SysFreeString(iter->funcs[i].name);
heap_free(iter->funcs);
heap_free(iter->name_table);
heap_free(iter);
}
if(!typelib)
return;
for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
if(typeinfos[i])
ITypeInfo_Release(typeinfos[i]);
ITypeLib_Release(typelib);
}
static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, DISPID id, ITypeInfo *dti)
{
HRESULT hres;
if(data->func_cnt && data->funcs[data->func_cnt-1].id == id)
return;
if(data->func_cnt == *size)
data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
hres = ITypeInfo_GetDocumentation(dti, id, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
if(FAILED(hres))
return;
data->funcs[data->func_cnt].id = id;
data->funcs[data->func_cnt].tid = tid;
data->func_cnt++;
}
static int dispid_cmp(const void *p1, const void *p2)
{
return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
}
static int func_name_cmp(const void *p1, const void *p2)
{
return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
}
static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
{
const tid_t *tid = This->data->iface_tids;
FUNCDESC *funcdesc;
dispex_data_t *data;
DWORD size = 16, i;
ITypeInfo *ti, *dti;
HRESULT hres;
TRACE("(%p)\n", This);
hres = get_typeinfo(This->data->disp_tid, &dti);
if(FAILED(hres)) {
ERR("Could not get disp type info: %08x\n", hres);
return NULL;
}
data = heap_alloc(sizeof(dispex_data_t));
data->func_cnt = 0;
data->funcs = heap_alloc(size*sizeof(func_info_t));
list_add_tail(&dispex_data_list, &data->entry);
while(*tid) {
hres = get_typeinfo(*tid, &ti);
if(FAILED(hres))
break;
i=7;
while(1) {
hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
if(FAILED(hres))
break;
add_func_info(data, &size, *tid, funcdesc->memid, dti);
ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
}
tid++;
}
if(!data->func_cnt) {
heap_free(data->funcs);
data->funcs = NULL;
}else if(data->func_cnt != size) {
data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
}
qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
if(data->funcs) {
data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
for(i=0; i < data->func_cnt; i++)
data->name_table[i] = data->funcs+i;
qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
}else {
data->name_table = NULL;
}
return data;
}
static CRITICAL_SECTION cs_dispex_static_data;
static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
{
0, 0, &cs_dispex_static_data,
{ &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
};
static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
static dispex_data_t *get_dispex_data(DispatchEx *This)
{
if(This->data->data)
return This->data->data;
EnterCriticalSection(&cs_dispex_static_data);
if(!This->data->data)
This->data->data = preprocess_dispex_data(This);
LeaveCriticalSection(&cs_dispex_static_data);
return This->data->data;
}
void call_disp_func(HTMLDocument *doc, IDispatch *disp)
{
DISPID named_arg = DISPID_THIS;
VARIANTARG arg;
DISPPARAMS params = {&arg, &named_arg, 1, 1};
EXCEPINFO ei;
IDispatchEx *dispex;
VARIANT res;
HRESULT hres;
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(FAILED(hres)) {
FIXME("Could not get IDispatchEx interface: %08x\n", hres);
return;
}
V_VT(&arg) = VT_DISPATCH;
V_DISPATCH(&arg) = (IDispatch*)HTMLWINDOW2(doc->window);
VariantInit(&res);
memset(&ei, 0, sizeof(ei));
hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, &params, &res, &ei, NULL);
IDispatchEx_Release(dispex);
TRACE("%p returned %08x\n", disp, hres);
VariantClear(&res);
}
static inline BOOL is_custom_dispid(DISPID id)
{
return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
}
static inline BOOL is_dynamic_dispid(DISPID id)
{
return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
}
#define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
return IUnknown_QueryInterface(This->outer, riid, ppv);
}
static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
return IUnknown_AddRef(This->outer);
}
static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
return IUnknown_Release(This->outer);
}
static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
TRACE("(%p)->(%p)\n", This, pctinfo);
*pctinfo = 1;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
LCID lcid, ITypeInfo **ppTInfo)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
HRESULT hres;
TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
hres = get_typeinfo(This->data->disp_tid, ppTInfo);
if(FAILED(hres))
return hres;
ITypeInfo_AddRef(*ppTInfo);
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames,
LCID lcid, DISPID *rgDispId)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
UINT i;
HRESULT hres;
TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
lcid, rgDispId);
for(i=0; i < cNames; i++) {
hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
if(FAILED(hres))
return hres;
}
return S_OK;
}
static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
pDispParams, pVarResult, pExcepInfo, NULL);
}
static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
dispex_data_t *data;
int min, max, n, c;
TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
FIXME("Unsupported grfdex %x\n", grfdex);
data = get_dispex_data(This);
if(!data)
return E_FAIL;
min = 0;
max = data->func_cnt-1;
while(min <= max) {
n = (min+max)/2;
c = strcmpiW(data->name_table[n]->name, bstrName);
if(!c) {
if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
break;
*pid = data->name_table[n]->id;
return S_OK;
}
if(c > 0)
max = n-1;
else
min = n+1;
}
if(This->dynamic_data) {
unsigned i;
for(i=0; i < This->dynamic_data->prop_cnt; i++) {
if(!strcmpW(This->dynamic_data->props[i].name, bstrName)) {
*pid = DISPID_DYNPROP_0 + i;
return S_OK;
}
}
}
if(This->data->vtbl && This->data->vtbl->get_dispid) {
HRESULT hres;
hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
if(hres != DISP_E_UNKNOWNNAME)
return hres;
}
if(grfdex & fdexNameEnsure) {
dispex_dynamic_data_t *dynamic_data;
TRACE("creating dynamic prop %s\n", debugstr_w(bstrName));
if(This->dynamic_data) {
dynamic_data = This->dynamic_data;
}else {
dynamic_data = This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
if(!dynamic_data)
return E_OUTOFMEMORY;
}
if(!dynamic_data->buf_size) {
dynamic_data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
if(!dynamic_data->props)
return E_OUTOFMEMORY;
dynamic_data->buf_size = 4;
}else if(dynamic_data->buf_size == dynamic_data->prop_cnt) {
dynamic_prop_t *new_props;
new_props = heap_realloc(dynamic_data->props, sizeof(dynamic_prop_t)*(dynamic_data->buf_size<<1));
if(!new_props)
return E_OUTOFMEMORY;
dynamic_data->props = new_props;
dynamic_data->buf_size <<= 1;
}
dynamic_data->props[dynamic_data->prop_cnt].name = heap_strdupW(bstrName);
VariantInit(&dynamic_data->props[dynamic_data->prop_cnt].var);
*pid = DISPID_DYNPROP_0 + dynamic_data->prop_cnt++;
return S_OK;
}
TRACE("not found %s\n", debugstr_w(bstrName));
return DISP_E_UNKNOWNNAME;
}
static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
IUnknown *unk;
ITypeInfo *ti;
dispex_data_t *data;
UINT argerr=0;
int min, max, n;
HRESULT hres;
TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
if(wFlags == DISPATCH_CONSTRUCT) {
FIXME("DISPATCH_CONSTRUCT not implemented\n");
return E_NOTIMPL;
}
if(is_dynamic_dispid(id)) {
DWORD idx = id - DISPID_DYNPROP_0;
VARIANT *var;
if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
return DISP_E_UNKNOWNNAME;
var = &This->dynamic_data->props[idx].var;
switch(wFlags) {
case INVOKE_PROPERTYGET:
return VariantCopy(pvarRes, var);
case INVOKE_PROPERTYPUT:
VariantClear(var);
return VariantCopy(var, pdp->rgvarg);
default:
FIXME("unhandled wFlags %x\n", wFlags);
return E_NOTIMPL;
}
}
data = get_dispex_data(This);
if(!data)
return E_FAIL;
min = 0;
max = data->func_cnt-1;
while(min <= max) {
n = (min+max)/2;
if(data->funcs[n].id == id)
break;
if(data->funcs[n].id < id)
min = n+1;
else
max = n-1;
}
if(min > max) {
WARN("invalid id %x\n", id);
return DISP_E_UNKNOWNNAME;
}
hres = get_typeinfo(data->funcs[n].tid, &ti);
if(FAILED(hres)) {
ERR("Could not get type info: %08x\n", hres);
return hres;
}
hres = IUnknown_QueryInterface(This->outer, tid_ids[data->funcs[n].tid], (void**)&unk);
if(FAILED(hres)) {
ERR("Could not get iface: %08x\n", hres);
return E_FAIL;
}
hres = ITypeInfo_Invoke(ti, unk, id, wFlags, pdp, pvarRes, pei, &argerr);
IUnknown_Release(unk);
return hres;
}
static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%x)\n", This, id);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%x %p)\n", This, id, pbstrName);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
DispatchEx *This = DISPATCHEX_THIS(iface);
FIXME("(%p)->(%p)\n", This, ppunk);
return E_NOTIMPL;
}
#undef DISPATCHEX_THIS
static IDispatchExVtbl DispatchExVtbl = {
DispatchEx_QueryInterface,
DispatchEx_AddRef,
DispatchEx_Release,
DispatchEx_GetTypeInfoCount,
DispatchEx_GetTypeInfo,
DispatchEx_GetIDsOfNames,
DispatchEx_Invoke,
DispatchEx_GetDispID,
DispatchEx_InvokeEx,
DispatchEx_DeleteMemberByName,
DispatchEx_DeleteMemberByDispID,
DispatchEx_GetMemberProperties,
DispatchEx_GetMemberName,
DispatchEx_GetNextDispID,
DispatchEx_GetNameSpaceParent
};
BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
{
static const IID IID_UndocumentedScriptIface =
{0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
if(IsEqualGUID(&IID_IDispatch, riid)) {
TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
*ppv = DISPATCHEX(This);
}else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
*ppv = DISPATCHEX(This);
}else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
*ppv = NULL;
}else {
return FALSE;
}
if(*ppv)
IUnknown_AddRef((IUnknown*)*ppv);
return TRUE;
}
void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
{
dispex->lpIDispatchExVtbl = &DispatchExVtbl;
dispex->outer = outer;
dispex->data = data;
}