Sweden-Number/dlls/mshtml/htmlattr.c

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/*
* Copyright 2011 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>
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#include <assert.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "mshtml_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
static inline HTMLDOMAttribute *impl_from_IHTMLDOMAttribute(IHTMLDOMAttribute *iface)
{
return CONTAINING_RECORD(iface, HTMLDOMAttribute, IHTMLDOMAttribute_iface);
}
static HRESULT WINAPI HTMLDOMAttribute_QueryInterface(IHTMLDOMAttribute *iface,
REFIID riid, void **ppv)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
if(IsEqualGUID(&IID_IUnknown, riid)) {
*ppv = &This->IHTMLDOMAttribute_iface;
}else if(IsEqualGUID(&IID_IHTMLDOMAttribute, riid)) {
*ppv = &This->IHTMLDOMAttribute_iface;
}else if(dispex_query_interface(&This->dispex, riid, ppv)) {
return *ppv ? S_OK : E_NOINTERFACE;
}else {
WARN("%s not supported\n", debugstr_mshtml_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI HTMLDOMAttribute_AddRef(IHTMLDOMAttribute *iface)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI HTMLDOMAttribute_Release(IHTMLDOMAttribute *iface)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
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assert(!This->elem);
release_dispex(&This->dispex);
heap_free(This->name);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI HTMLDOMAttribute_GetTypeInfoCount(IHTMLDOMAttribute *iface, UINT *pctinfo)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
static HRESULT WINAPI HTMLDOMAttribute_GetTypeInfo(IHTMLDOMAttribute *iface, UINT iTInfo,
LCID lcid, ITypeInfo **ppTInfo)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI HTMLDOMAttribute_GetIDsOfNames(IHTMLDOMAttribute *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames,
LCID lcid, DISPID *rgDispId)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
lcid, rgDispId);
}
static HRESULT WINAPI HTMLDOMAttribute_Invoke(IHTMLDOMAttribute *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static HRESULT WINAPI HTMLDOMAttribute_get_nodeName(IHTMLDOMAttribute *iface, BSTR *p)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
TRACE("(%p)->(%p)\n", This, p);
if(!This->elem) {
if(!This->name) {
FIXME("No name available\n");
return E_FAIL;
}
*p = SysAllocString(This->name);
return *p ? S_OK : E_OUTOFMEMORY;
}
return IDispatchEx_GetMemberName(&This->elem->node.dispex.IDispatchEx_iface, This->dispid, p);
}
static HRESULT WINAPI HTMLDOMAttribute_put_nodeName(IHTMLDOMAttribute *iface, VARIANT v)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
return E_NOTIMPL;
}
static HRESULT WINAPI HTMLDOMAttribute_get_nodeValue(IHTMLDOMAttribute *iface, VARIANT *p)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
DISPPARAMS dp = {NULL, NULL, 0, 0};
EXCEPINFO ei;
TRACE("(%p)->(%p)\n", This, p);
if(!This->elem) {
FIXME("NULL This->elem\n");
return E_UNEXPECTED;
}
memset(&ei, 0, sizeof(ei));
return IDispatchEx_InvokeEx(&This->elem->node.dispex.IDispatchEx_iface, This->dispid, LOCALE_SYSTEM_DEFAULT,
DISPATCH_PROPERTYGET, &dp, p, &ei, NULL);
}
static HRESULT WINAPI HTMLDOMAttribute_get_specified(IHTMLDOMAttribute *iface, VARIANT_BOOL *p)
{
HTMLDOMAttribute *This = impl_from_IHTMLDOMAttribute(iface);
nsIDOMAttr *nsattr;
nsAString nsname;
BSTR name;
nsresult nsres;
HRESULT hres;
TRACE("(%p)->(%p)\n", This, p);
if(!This->elem || !This->elem->nselem) {
FIXME("NULL This->elem\n");
return E_UNEXPECTED;
}
if(get_dispid_type(This->dispid) != DISPEXPROP_BUILTIN) {
*p = VARIANT_TRUE;
return S_OK;
}
hres = IDispatchEx_GetMemberName(&This->elem->node.dispex.IDispatchEx_iface, This->dispid, &name);
if(FAILED(hres))
return hres;
/* FIXME: This is not exactly right, we have some attributes that don't map directly to Gecko attributes. */
nsAString_InitDepend(&nsname, name);
nsres = nsIDOMHTMLElement_GetAttributeNode(This->elem->nselem, &nsname, &nsattr);
nsAString_Finish(&nsname);
SysFreeString(name);
if(NS_FAILED(nsres))
return E_FAIL;
/* If the Gecko attribute node can be found, we know that the attribute is specified.
There is no point in calling GetSpecified */
if(nsattr) {
nsIDOMAttr_Release(nsattr);
*p = VARIANT_TRUE;
}else {
*p = VARIANT_FALSE;
}
return S_OK;
}
static const IHTMLDOMAttributeVtbl HTMLDOMAttributeVtbl = {
HTMLDOMAttribute_QueryInterface,
HTMLDOMAttribute_AddRef,
HTMLDOMAttribute_Release,
HTMLDOMAttribute_GetTypeInfoCount,
HTMLDOMAttribute_GetTypeInfo,
HTMLDOMAttribute_GetIDsOfNames,
HTMLDOMAttribute_Invoke,
HTMLDOMAttribute_get_nodeName,
HTMLDOMAttribute_put_nodeName,
HTMLDOMAttribute_get_nodeValue,
HTMLDOMAttribute_get_specified
};
static const tid_t HTMLDOMAttribute_iface_tids[] = {
IHTMLDOMAttribute_tid,
0
};
static dispex_static_data_t HTMLDOMAttribute_dispex = {
NULL,
DispHTMLDOMAttribute_tid,
0,
HTMLDOMAttribute_iface_tids
};
HRESULT HTMLDOMAttribute_Create(const WCHAR *name, HTMLElement *elem, DISPID dispid, HTMLDOMAttribute **attr)
{
HTMLAttributeCollection *col;
HTMLDOMAttribute *ret;
HRESULT hres;
ret = heap_alloc_zero(sizeof(*ret));
if(!ret)
return E_OUTOFMEMORY;
ret->IHTMLDOMAttribute_iface.lpVtbl = &HTMLDOMAttributeVtbl;
ret->ref = 1;
ret->dispid = dispid;
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ret->elem = elem;
init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLDOMAttribute_iface,
&HTMLDOMAttribute_dispex);
/* For attributes attached to an element, (elem,dispid) pair should be valid used for its operation. */
if(elem) {
hres = HTMLElement_get_attr_col(&elem->node, &col);
if(FAILED(hres)) {
IHTMLDOMAttribute_Release(&ret->IHTMLDOMAttribute_iface);
return hres;
}
IHTMLAttributeCollection_Release(&col->IHTMLAttributeCollection_iface);
list_add_tail(&elem->attrs->attrs, &ret->entry);
}
/* For detached attributes we may still do most operations if we have its name available. */
if(name) {
ret->name = heap_strdupW(name);
if(!ret->name) {
IHTMLDOMAttribute_Release(&ret->IHTMLDOMAttribute_iface);
return E_OUTOFMEMORY;
}
}
*attr = ret;
return S_OK;
}