wine/dlls/mshtml/propbag.c

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/*
* Copyright 2010 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 "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "shlobj.h"
#include "mshtml_private.h"
#include "pluginhost.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
typedef struct {
IPropertyBag IPropertyBag_iface;
IPropertyBag2 IPropertyBag2_iface;
LONG ref;
struct list props;
} PropertyBag;
typedef struct {
struct list entry;
WCHAR *name;
WCHAR *value;
} param_prop_t;
static void free_prop(param_prop_t *prop)
{
list_remove(&prop->entry);
heap_free(prop->name);
heap_free(prop->value);
heap_free(prop);
}
static param_prop_t *find_prop(PropertyBag *prop_bag, const WCHAR *name)
{
param_prop_t *iter;
LIST_FOR_EACH_ENTRY(iter, &prop_bag->props, param_prop_t, entry) {
if(!strcmpiW(iter->name, name))
return iter;
}
return NULL;
}
static HRESULT add_prop(PropertyBag *prop_bag, const WCHAR *name, const WCHAR *value)
{
param_prop_t *prop;
if(!name || !value)
return S_OK;
TRACE("%p %s %s\n", prop_bag, debugstr_w(name), debugstr_w(value));
prop = heap_alloc(sizeof(*prop));
if(!prop)
return E_OUTOFMEMORY;
prop->name = heap_strdupW(name);
prop->value = heap_strdupW(value);
if(!prop->name || !prop->value) {
list_init(&prop->entry);
free_prop(prop);
return E_OUTOFMEMORY;
}
list_add_tail(&prop_bag->props, &prop->entry);
return S_OK;
}
static inline PropertyBag *impl_from_IPropertyBag(IPropertyBag *iface)
{
return CONTAINING_RECORD(iface, PropertyBag, IPropertyBag_iface);
}
static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag *iface, REFIID riid, void **ppv)
{
PropertyBag *This = impl_from_IPropertyBag(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = &This->IPropertyBag_iface;
}else if(IsEqualGUID(&IID_IPropertyBag, riid)) {
TRACE("(%p)->(IID_IPropertyBag %p)\n", This, ppv);
*ppv = &This->IPropertyBag_iface;
}else if(IsEqualGUID(&IID_IPropertyBag2, riid)) {
TRACE("(%p)->(IID_IPropertyBag2 %p)\n", This, ppv);
*ppv = &This->IPropertyBag2_iface;
}else {
WARN("Unsopported interface %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI PropertyBag_AddRef(IPropertyBag *iface)
{
PropertyBag *This = impl_from_IPropertyBag(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI PropertyBag_Release(IPropertyBag *iface)
{
PropertyBag *This = impl_from_IPropertyBag(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
while(!list_empty(&This->props))
free_prop(LIST_ENTRY(This->props.next, param_prop_t, entry));
heap_free(This);
}
return ref;
}
static HRESULT WINAPI PropertyBag_Read(IPropertyBag *iface, LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog)
{
PropertyBag *This = impl_from_IPropertyBag(iface);
param_prop_t *prop;
VARIANT v;
TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
prop = find_prop(This, pszPropName);
if(!prop) {
TRACE("Not found\n");
return E_INVALIDARG;
}
V_BSTR(&v) = SysAllocString(prop->value);
if(!V_BSTR(&v))
return E_OUTOFMEMORY;
if(V_VT(pVar) != VT_BSTR) {
HRESULT hres;
V_VT(&v) = VT_BSTR;
hres = VariantChangeType(pVar, &v, 0, V_VT(pVar));
SysFreeString(V_BSTR(&v));
return hres;
}
V_BSTR(pVar) = V_BSTR(&v);
return S_OK;
}
static HRESULT WINAPI PropertyBag_Write(IPropertyBag *iface, LPCOLESTR pszPropName, VARIANT *pVar)
{
PropertyBag *This = impl_from_IPropertyBag(iface);
FIXME("(%p)->(%s %s)\n", This, debugstr_w(pszPropName), debugstr_variant(pVar));
return E_NOTIMPL;
}
static const IPropertyBagVtbl PropertyBagVtbl = {
PropertyBag_QueryInterface,
PropertyBag_AddRef,
PropertyBag_Release,
PropertyBag_Read,
PropertyBag_Write
};
static inline PropertyBag *impl_from_IPropertyBag2(IPropertyBag2 *iface)
{
return CONTAINING_RECORD(iface, PropertyBag, IPropertyBag2_iface);
}
static HRESULT WINAPI PropertyBag2_QueryInterface(IPropertyBag2 *iface, REFIID riid, void **ppv)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
return IPropertyBag_QueryInterface(&This->IPropertyBag_iface, riid, ppv);
}
static ULONG WINAPI PropertyBag2_AddRef(IPropertyBag2 *iface)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
return IPropertyBag_AddRef(&This->IPropertyBag_iface);
}
static ULONG WINAPI PropertyBag2_Release(IPropertyBag2 *iface)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
return IPropertyBag_Release(&This->IPropertyBag_iface);
}
static HRESULT WINAPI PropertyBag2_Read(IPropertyBag2 *iface, ULONG cProperties, PROPBAG2 *pPropBag,
IErrorLog *pErrLog, VARIANT *pvarValue, HRESULT *phrError)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
FIXME("(%p)->(%d %p %p %p %p)\n", This, cProperties, pPropBag, pErrLog, pvarValue, phrError);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag2_Write(IPropertyBag2 *iface, ULONG cProperties, PROPBAG2 *pPropBag, VARIANT *pvarValue)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
FIXME("(%p)->(%d %p %s)\n", This, cProperties, pPropBag, debugstr_variant(pvarValue));
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag2_CountProperties(IPropertyBag2 *iface, ULONG *pcProperties)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
FIXME("(%p)->(%p)\n", This, pcProperties);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag2_GetPropertyInfo(IPropertyBag2 *iface, ULONG iProperty, ULONG cProperties,
PROPBAG2 *pPropBag, ULONG *pcProperties)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
FIXME("(%p)->(%u %u %p %p)\n", This, iProperty, cProperties, pPropBag, pcProperties);
return E_NOTIMPL;
}
static HRESULT WINAPI PropertyBag2_LoadObject(IPropertyBag2 *iface, LPCOLESTR pstrName, DWORD dwHint,
IUnknown *pUnkObject, IErrorLog *pErrLog)
{
PropertyBag *This = impl_from_IPropertyBag2(iface);
FIXME("(%p)->(%s %x %p %p)\n", This, debugstr_w(pstrName), dwHint, pUnkObject, pErrLog);
return E_NOTIMPL;
}
static const IPropertyBag2Vtbl PropertyBag2Vtbl = {
PropertyBag2_QueryInterface,
PropertyBag2_AddRef,
PropertyBag2_Release,
PropertyBag2_Read,
PropertyBag2_Write,
PropertyBag2_CountProperties,
PropertyBag2_GetPropertyInfo,
PropertyBag2_LoadObject
};
static HRESULT fill_props(nsIDOMHTMLElement *nselem, PropertyBag *prop_bag)
{
nsIDOMHTMLParamElement *nsparam;
nsAString name_str, value_str;
nsIDOMNodeList *params;
PRUint32 length, i;
nsIDOMNode *nsnode;
nsresult nsres;
HRESULT hres = S_OK;
static const PRUnichar paramW[] = {'p','a','r','a','m',0};
nsAString_InitDepend(&name_str, paramW);
nsres = nsIDOMHTMLElement_GetElementsByTagName(nselem, &name_str, &params);
nsAString_Finish(&name_str);
if(NS_FAILED(nsres))
return E_FAIL;
nsres = nsIDOMNodeList_GetLength(params, &length);
if(NS_FAILED(nsres))
return S_OK;
for(i=0; i < length; i++) {
nsres = nsIDOMNodeList_Item(params, i, &nsnode);
if(NS_FAILED(nsres)) {
hres = E_FAIL;
break;
}
nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMHTMLParamElement, (void**)&nsparam);
nsIDOMNode_Release(nsnode);
if(NS_FAILED(nsres)) {
hres = E_FAIL;
break;
}
nsAString_Init(&name_str, NULL);
nsres = nsIDOMHTMLParamElement_GetName(nsparam, &name_str);
if(NS_SUCCEEDED(nsres)) {
nsAString_Init(&value_str, NULL);
nsres = nsIDOMHTMLParamElement_GetValue(nsparam, &value_str);
if(NS_SUCCEEDED(nsres)) {
const PRUnichar *name, *value;
nsAString_GetData(&name_str, &name);
nsAString_GetData(&value_str, &value);
hres = add_prop(prop_bag, name, value);
}
nsAString_Finish(&value_str);
}
nsAString_Finish(&name_str);
nsIDOMHTMLParamElement_Release(nsparam);
if(FAILED(hres))
break;
if(NS_FAILED(nsres)) {
hres = E_FAIL;
break;
}
}
return hres;
}
HRESULT create_param_prop_bag(nsIDOMHTMLElement *nselem, IPropertyBag **ret)
{
PropertyBag *prop_bag;
HRESULT hres;
prop_bag = heap_alloc(sizeof(*prop_bag));
if(!prop_bag)
return E_OUTOFMEMORY;
prop_bag->IPropertyBag_iface.lpVtbl = &PropertyBagVtbl;
prop_bag->IPropertyBag2_iface.lpVtbl = &PropertyBag2Vtbl;
prop_bag->ref = 1;
list_init(&prop_bag->props);
hres = fill_props(nselem, prop_bag);
if(FAILED(hres) || list_empty(&prop_bag->props)) {
IPropertyBag_Release(&prop_bag->IPropertyBag_iface);
*ret = NULL;
return hres;
}
*ret = &prop_bag->IPropertyBag_iface;
return S_OK;
}