Sweden-Number/dlls/mshtml/selection.c

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/*
* Copyright 2006 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 {
DispatchEx dispex;
IHTMLSelectionObject IHTMLSelectionObject_iface;
LONG ref;
nsISelection *nsselection;
HTMLDocumentNode *doc;
struct list entry;
} HTMLSelectionObject;
static inline HTMLSelectionObject *impl_from_IHTMLSelectionObject(IHTMLSelectionObject *iface)
{
return CONTAINING_RECORD(iface, HTMLSelectionObject, IHTMLSelectionObject_iface);
}
static HRESULT WINAPI HTMLSelectionObject_QueryInterface(IHTMLSelectionObject *iface,
REFIID riid, void **ppv)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
if(IsEqualGUID(&IID_IUnknown, riid)) {
*ppv = &This->IHTMLSelectionObject_iface;
}else if(IsEqualGUID(&IID_IDispatch, riid)) {
*ppv = &This->IHTMLSelectionObject_iface;
}else if(IsEqualGUID(&IID_IHTMLSelectionObject, riid)) {
*ppv = &This->IHTMLSelectionObject_iface;
}else if(dispex_query_interface(&This->dispex, riid, ppv)) {
return *ppv ? S_OK : E_NOINTERFACE;
}else {
*ppv = NULL;
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI HTMLSelectionObject_AddRef(IHTMLSelectionObject *iface)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI HTMLSelectionObject_Release(IHTMLSelectionObject *iface)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
if(This->nsselection)
nsISelection_Release(This->nsselection);
if(This->doc)
list_remove(&This->entry);
release_dispex(&This->dispex);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI HTMLSelectionObject_GetTypeInfoCount(IHTMLSelectionObject *iface, UINT *pctinfo)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
static HRESULT WINAPI HTMLSelectionObject_GetTypeInfo(IHTMLSelectionObject *iface, UINT iTInfo,
LCID lcid, ITypeInfo **ppTInfo)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI HTMLSelectionObject_GetIDsOfNames(IHTMLSelectionObject *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames,
LCID lcid, DISPID *rgDispId)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames,
cNames, lcid, rgDispId);
}
static HRESULT WINAPI HTMLSelectionObject_Invoke(IHTMLSelectionObject *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid,
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static HRESULT WINAPI HTMLSelectionObject_createRange(IHTMLSelectionObject *iface, IDispatch **range)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
IHTMLTxtRange *range_obj = NULL;
nsIDOMRange *nsrange = NULL;
HRESULT hres;
TRACE("(%p)->(%p)\n", This, range);
if(This->nsselection) {
LONG nsrange_cnt = 0;
nsresult nsres;
nsISelection_GetRangeCount(This->nsselection, &nsrange_cnt);
if(!nsrange_cnt) {
nsIDOMHTMLElement *nsbody = NULL;
TRACE("nsrange_cnt = 0\n");
if(!This->doc->nsdoc) {
WARN("nsdoc is NULL\n");
return E_UNEXPECTED;
}
nsres = nsIDOMHTMLDocument_GetBody(This->doc->nsdoc, &nsbody);
if(NS_FAILED(nsres) || !nsbody) {
ERR("Could not get body: %08x\n", nsres);
return E_FAIL;
}
nsres = nsISelection_Collapse(This->nsselection, (nsIDOMNode*)nsbody, 0);
nsIDOMHTMLElement_Release(nsbody);
if(NS_FAILED(nsres))
ERR("Collapse failed: %08x\n", nsres);
}else if(nsrange_cnt > 1) {
FIXME("range_cnt = %d\n", nsrange_cnt);
}
nsres = nsISelection_GetRangeAt(This->nsselection, 0, &nsrange);
if(NS_FAILED(nsres))
ERR("GetRangeAt failed: %08x\n", nsres);
}
hres = HTMLTxtRange_Create(This->doc, nsrange, &range_obj);
if (nsrange) nsIDOMRange_Release(nsrange);
*range = (IDispatch*)range_obj;
return hres;
}
static HRESULT WINAPI HTMLSelectionObject_empty(IHTMLSelectionObject *iface)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
FIXME("(%p)\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI HTMLSelectionObject_clear(IHTMLSelectionObject *iface)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
FIXME("(%p)\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI HTMLSelectionObject_get_type(IHTMLSelectionObject *iface, BSTR *p)
{
HTMLSelectionObject *This = impl_from_IHTMLSelectionObject(iface);
cpp_bool collapsed = TRUE;
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static const WCHAR wszNone[] = {'N','o','n','e',0};
static const WCHAR wszText[] = {'T','e','x','t',0};
TRACE("(%p)->(%p)\n", This, p);
if(This->nsselection)
nsISelection_GetIsCollapsed(This->nsselection, &collapsed);
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*p = SysAllocString(collapsed ? wszNone : wszText); /* FIXME: control */
TRACE("ret %s\n", debugstr_w(*p));
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return S_OK;
}
static const IHTMLSelectionObjectVtbl HTMLSelectionObjectVtbl = {
HTMLSelectionObject_QueryInterface,
HTMLSelectionObject_AddRef,
HTMLSelectionObject_Release,
HTMLSelectionObject_GetTypeInfoCount,
HTMLSelectionObject_GetTypeInfo,
HTMLSelectionObject_GetIDsOfNames,
HTMLSelectionObject_Invoke,
HTMLSelectionObject_createRange,
HTMLSelectionObject_empty,
HTMLSelectionObject_clear,
HTMLSelectionObject_get_type
};
static const tid_t HTMLSelectionObject_iface_tids[] = {
IHTMLSelectionObject_tid,
0
};
static dispex_static_data_t HTMLSelectionObject_dispex = {
NULL,
IHTMLSelectionObject_tid,
NULL,
HTMLSelectionObject_iface_tids
};
HRESULT HTMLSelectionObject_Create(HTMLDocumentNode *doc, nsISelection *nsselection, IHTMLSelectionObject **ret)
{
HTMLSelectionObject *selection;
selection = heap_alloc(sizeof(HTMLSelectionObject));
if(!selection)
return E_OUTOFMEMORY;
init_dispex(&selection->dispex, (IUnknown*)&selection->IHTMLSelectionObject_iface, &HTMLSelectionObject_dispex);
selection->IHTMLSelectionObject_iface.lpVtbl = &HTMLSelectionObjectVtbl;
selection->ref = 1;
selection->nsselection = nsselection; /* We shouldn't call AddRef here */
selection->doc = doc;
list_add_head(&doc->selection_list, &selection->entry);
*ret = &selection->IHTMLSelectionObject_iface;
return S_OK;
}
void detach_selection(HTMLDocumentNode *This)
{
HTMLSelectionObject *iter;
LIST_FOR_EACH_ENTRY(iter, &This->selection_list, HTMLSelectionObject, entry) {
iter->doc = NULL;
}
}