dlls/mshtml/selection.c

   1 /*
   2  * Copyright 2006 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "ole2.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34
  35 #include "mshtml_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 typedef struct {
  40     const IHTMLSelectionObjectVtbl *lpHTMLSelectionObjectVtbl;
  41
  42     LONG ref;
  43
  44     nsISelection *nsselection;
  45 } HTMLSelectionObject;
  46
  47 #define HTMLSELOBJ(x)  ((IHTMLSelectionObject*) &(x)->lpHTMLSelectionObjectVtbl)
  48
  49 #define HTMLSELOBJ_THIS(iface) DEFINE_THIS(HTMLSelectionObject, HTMLSelectionObject, iface)
  50
  51 static HRESULT WINAPI HTMLSelectionObject_QueryInterface(IHTMLSelectionObject *iface,
  52                                                          REFIID riid, void **ppv)
  53 {
  54     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
  55
  56     *ppv = NULL;
  57
  58     if(IsEqualGUID(&IID_IUnknown, riid)) {
  59         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  60         *ppv = HTMLSELOBJ(This);
  61     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
  62         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  63         *ppv = HTMLSELOBJ(This);
  64     }else if(IsEqualGUID(&IID_IHTMLSelectionObject, riid)) {
  65         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  66         *ppv = HTMLSELOBJ(This);
  67     }
  68
  69     if(*ppv) {
  70         IUnknown_AddRef((IUnknown*)*ppv);
  71         return S_OK;
  72     }
  73
  74     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
  75     return E_NOINTERFACE;
  76 }
  77
  78 static ULONG WINAPI HTMLSelectionObject_AddRef(IHTMLSelectionObject *iface)
  79 {
  80     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
  81     LONG ref = InterlockedIncrement(&This->ref);
  82
  83     TRACE("(%p) ref=%d\n", This, ref);
  84
  85     return ref;
  86 }
  87
  88 static ULONG WINAPI HTMLSelectionObject_Release(IHTMLSelectionObject *iface)
  89 {
  90     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
  91     LONG ref = InterlockedDecrement(&This->ref);
  92
  93     TRACE("(%p) ref=%d\n", This, ref);
  94
  95     if(!ref) {
  96         if(This->nsselection)
  97             nsISelection_Release(This->nsselection);
  98         mshtml_free(This);
  99     }
 100
 101     return ref;
 102 }
 103
 104 static HRESULT WINAPI HTMLSelectionObject_GetTypeInfoCount(IHTMLSelectionObject *iface, UINT *pctinfo)
 105 {
 106     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 107     FIXME("(%p)->(%p)\n", This, pctinfo);
 108     return E_NOTIMPL;
 109 }
 110
 111 static HRESULT WINAPI HTMLSelectionObject_GetTypeInfo(IHTMLSelectionObject *iface, UINT iTInfo,
 112                                               LCID lcid, ITypeInfo **ppTInfo)
 113 {
 114     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 115     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 116     return E_NOTIMPL;
 117 }
 118
 119 static HRESULT WINAPI HTMLSelectionObject_GetIDsOfNames(IHTMLSelectionObject *iface, REFIID riid,
 120                                                 LPOLESTR *rgszNames, UINT cNames,
 121                                                 LCID lcid, DISPID *rgDispId)
 122 {
 123     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 124     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 125           lcid, rgDispId);
 126     return E_NOTIMPL;
 127 }
 128
 129 static HRESULT WINAPI HTMLSelectionObject_Invoke(IHTMLSelectionObject *iface, DISPID dispIdMember,
 130                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 131                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 132 {
 133     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 134     FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 135           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 136     return E_NOTIMPL;
 137 }
 138
 139 static HRESULT WINAPI HTMLSelectionObject_createRange(IHTMLSelectionObject *iface, IDispatch **range)
 140 {
 141     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 142     nsIDOMRange *nsrange = NULL;
 143
 144     TRACE("(%p)->(%p)\n", This, range);
 145
 146     if(This->nsselection) {
 147         PRInt32 nsrange_cnt = 0;
 148         nsresult nsres;
 149
 150         nsISelection_GetRangeCount(This->nsselection, &nsrange_cnt);
 151         if(nsrange_cnt != 1)
 152             FIXME("range_cnt = %d\n", nsrange_cnt);
 153
 154         nsres = nsISelection_GetRangeAt(This->nsselection, 0, &nsrange);
 155         if(NS_FAILED(nsres))
 156             ERR("GetRangeAt failed: %08x\n", nsres);
 157     }
 158
 159     *range = (IDispatch*)HTMLTxtRange_Create(nsrange);
 160     return S_OK;
 161 }
 162
 163 static HRESULT WINAPI HTMLSelectionObject_empty(IHTMLSelectionObject *iface)
 164 {
 165     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 166     FIXME("(%p)\n", This);
 167     return E_NOTIMPL;
 168 }
 169
 170 static HRESULT WINAPI HTMLSelectionObject_clear(IHTMLSelectionObject *iface)
 171 {
 172     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 173     FIXME("(%p)\n", This);
 174     return E_NOTIMPL;
 175 }
 176
 177 static HRESULT WINAPI HTMLSelectionObject_get_type(IHTMLSelectionObject *iface, BSTR *p)
 178 {
 179     HTMLSelectionObject *This = HTMLSELOBJ_THIS(iface);
 180     PRBool collapsed = TRUE;
 181
 182     static const WCHAR wszNone[] = {'N','o','n','e',0};
 183     static const WCHAR wszText[] = {'T','e','x','t',0};
 184
 185     TRACE("(%p)->(%p)\n", This, p);
 186
 187     if(This->nsselection)
 188         nsISelection_GetIsCollapsed(This->nsselection, &collapsed);
 189
 190     *p = SysAllocString(collapsed ? wszNone : wszText); /* FIXME: control */
 191     TRACE("ret %s\n", debugstr_w(*p));
 192     return S_OK;
 193 }
 194
 195 #undef HTMLSELOBJ_THIS
 196
 197 static const IHTMLSelectionObjectVtbl HTMLSelectionObjectVtbl = {
 198     HTMLSelectionObject_QueryInterface,
 199     HTMLSelectionObject_AddRef,
 200     HTMLSelectionObject_Release,
 201     HTMLSelectionObject_GetTypeInfoCount,
 202     HTMLSelectionObject_GetTypeInfo,
 203     HTMLSelectionObject_GetIDsOfNames,
 204     HTMLSelectionObject_Invoke,
 205     HTMLSelectionObject_createRange,
 206     HTMLSelectionObject_empty,
 207     HTMLSelectionObject_clear,
 208     HTMLSelectionObject_get_type
 209 };
 210
 211 IHTMLSelectionObject *HTMLSelectionObject_Create(nsISelection *nsselection)
 212 {
 213     HTMLSelectionObject *ret = mshtml_alloc(sizeof(HTMLSelectionObject));
 214
 215     ret->lpHTMLSelectionObjectVtbl = &HTMLSelectionObjectVtbl;
 216     ret->ref = 1;
 217     ret->nsselection = nsselection; /* We shouldn't call AddRef here */
 218
 219     return HTMLSELOBJ(ret);
 220 }