dlls/mshtml/htmlnode.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
  34 #include "mshtml_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  37
  38 #define NSSUPPORTS(x)  ((nsISupports*)  &(x)->lpSupportsVtbl)
  39
  40 #define HTMLDOMNODE_THIS(iface) DEFINE_THIS(HTMLDOMNode, HTMLDOMNode, iface)
  41
  42 static HRESULT WINAPI HTMLDOMNode_QueryInterface(IHTMLDOMNode *iface,
  43                                                  REFIID riid, void **ppv)
  44 {
  45     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  46
  47     return This->vtbl->qi(This, riid, ppv);
  48 }
  49
  50 static ULONG WINAPI HTMLDOMNode_AddRef(IHTMLDOMNode *iface)
  51 {
  52     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  53     LONG ref = InterlockedIncrement(&This->ref);
  54
  55     TRACE("(%p) ref=%d\n", This, ref);
  56
  57     return ref;
  58 }
  59
  60 static ULONG WINAPI HTMLDOMNode_Release(IHTMLDOMNode *iface)
  61 {
  62     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  63     LONG ref = InterlockedDecrement(&This->ref);
  64
  65     TRACE("(%p) ref=%d\n", This, ref);
  66
  67     if(!ref) {
  68         This->vtbl->destructor(This);
  69         mshtml_free(This);
  70     }
  71
  72     return ref;
  73 }
  74
  75 static HRESULT WINAPI HTMLDOMNode_GetTypeInfoCount(IHTMLDOMNode *iface, UINT *pctinfo)
  76 {
  77     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  78     FIXME("(%p)->(%p)\n", This, pctinfo);
  79     return E_NOTIMPL;
  80 }
  81
  82 static HRESULT WINAPI HTMLDOMNode_GetTypeInfo(IHTMLDOMNode *iface, UINT iTInfo,
  83                                               LCID lcid, ITypeInfo **ppTInfo)
  84 {
  85     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  86     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
  87     return E_NOTIMPL;
  88 }
  89
  90 static HRESULT WINAPI HTMLDOMNode_GetIDsOfNames(IHTMLDOMNode *iface, REFIID riid,
  91                                                 LPOLESTR *rgszNames, UINT cNames,
  92                                                 LCID lcid, DISPID *rgDispId)
  93 {
  94     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
  95     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
  96                                         lcid, rgDispId);
  97     return E_NOTIMPL;
  98 }
  99
 100 static HRESULT WINAPI HTMLDOMNode_Invoke(IHTMLDOMNode *iface, DISPID dispIdMember,
 101                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 102                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 103 {
 104     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 105     FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 106             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 107     return E_NOTIMPL;
 108 }
 109
 110 static HRESULT WINAPI HTMLDOMNode_get_nodeType(IHTMLDOMNode *iface, long *p)
 111 {
 112     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 113     FIXME("(%p)->(%p)\n", This, p);
 114     return E_NOTIMPL;
 115 }
 116
 117 static HRESULT WINAPI HTMLDOMNode_get_parentNode(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 118 {
 119     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 120     FIXME("(%p)->(%p)\n", This, p);
 121     return E_NOTIMPL;
 122 }
 123
 124 static HRESULT WINAPI HTMLDOMNode_hasChildNodes(IHTMLDOMNode *iface, VARIANT_BOOL *fChildren)
 125 {
 126     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 127     FIXME("(%p)->(%p)\n", This, fChildren);
 128     return E_NOTIMPL;
 129 }
 130
 131 static HRESULT WINAPI HTMLDOMNode_get_childNodes(IHTMLDOMNode *iface, IDispatch **p)
 132 {
 133     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 134     FIXME("(%p)->(%p)\n", This, p);
 135     return E_NOTIMPL;
 136 }
 137
 138 static HRESULT WINAPI HTMLDOMNode_get_attributes(IHTMLDOMNode *iface, IDispatch **p)
 139 {
 140     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 141     FIXME("(%p)->(%p)\n", This, p);
 142     return E_NOTIMPL;
 143 }
 144
 145 static HRESULT WINAPI HTMLDOMNode_insertBefore(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 146                                                VARIANT refChild, IHTMLDOMNode **node)
 147 {
 148     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 149     FIXME("(%p)->(%p v %p)\n", This, newChild, node);
 150     return E_NOTIMPL;
 151 }
 152
 153 static HRESULT WINAPI HTMLDOMNode_removeChild(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 154                                               IHTMLDOMNode **node)
 155 {
 156     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 157     FIXME("(%p)->(%p %p)\n", This, newChild, node);
 158     return E_NOTIMPL;
 159 }
 160
 161 static HRESULT WINAPI HTMLDOMNode_replaceChild(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 162                                                IHTMLDOMNode *oldChild, IHTMLDOMNode **node)
 163 {
 164     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 165     FIXME("(%p)->(%p %p %p)\n", This, newChild, oldChild, node);
 166     return E_NOTIMPL;
 167 }
 168
 169 static HRESULT WINAPI HTMLDOMNode_cloneNode(IHTMLDOMNode *iface, VARIANT_BOOL fDeep,
 170                                             IHTMLDOMNode **clonedNode)
 171 {
 172     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 173     FIXME("(%p)->(%x %p)\n", This, fDeep, clonedNode);
 174     return E_NOTIMPL;
 175 }
 176
 177 static HRESULT WINAPI HTMLDOMNode_removeNode(IHTMLDOMNode *iface, VARIANT_BOOL fDeep,
 178                                              IHTMLDOMNode **removed)
 179 {
 180     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 181     FIXME("(%p)->(%x %p)\n", This, fDeep, removed);
 182     return E_NOTIMPL;
 183 }
 184
 185 static HRESULT WINAPI HTMLDOMNode_swapNode(IHTMLDOMNode *iface, IHTMLDOMNode *otherNode,
 186                                            IHTMLDOMNode **swappedNode)
 187 {
 188     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 189     FIXME("(%p)->(%p %p)\n", This, otherNode, swappedNode);
 190     return E_NOTIMPL;
 191 }
 192
 193 static HRESULT WINAPI HTMLDOMNode_replaceNode(IHTMLDOMNode *iface, IHTMLDOMNode *replacement,
 194                                               IHTMLDOMNode **replaced)
 195 {
 196     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 197     FIXME("(%p)->(%p %p)\n", This, replacement, replaced);
 198     return E_NOTIMPL;
 199 }
 200
 201 static HRESULT WINAPI HTMLDOMNode_appendChild(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 202                                               IHTMLDOMNode **node)
 203 {
 204     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 205     FIXME("(%p)->(%p %p)\n", This, newChild, node);
 206     return E_NOTIMPL;
 207 }
 208
 209 static HRESULT WINAPI HTMLDOMNode_get_nodeName(IHTMLDOMNode *iface, BSTR *p)
 210 {
 211     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 212
 213     TRACE("(%p)->(%p)\n", This, p);
 214
 215     *p = NULL;
 216
 217     if(This->nsnode) {
 218         nsAString name_str;
 219         const PRUnichar *name;
 220         nsresult nsres;
 221
 222         nsAString_Init(&name_str, NULL);
 223         nsres = nsIDOMNode_GetNodeName(This->nsnode, &name_str);
 224
 225         if(NS_SUCCEEDED(nsres)) {
 226             nsAString_GetData(&name_str, &name, NULL);
 227             *p = SysAllocString(name);
 228         }else {
 229             ERR("GetNodeName failed: %08x\n", nsres);
 230         }
 231
 232         nsAString_Finish(&name_str);
 233     }
 234
 235     return S_OK;
 236 }
 237
 238 static HRESULT WINAPI HTMLDOMNode_put_nodeValue(IHTMLDOMNode *iface, VARIANT v)
 239 {
 240     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 241     FIXME("(%p)->()\n", This);
 242     return E_NOTIMPL;
 243 }
 244
 245 static HRESULT WINAPI HTMLDOMNode_get_nodeValue(IHTMLDOMNode *iface, VARIANT *p)
 246 {
 247     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 248     FIXME("(%p)->(%p)\n", This, p);
 249     return E_NOTIMPL;
 250 }
 251
 252 static HRESULT WINAPI HTMLDOMNode_get_firstChild(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 253 {
 254     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 255     FIXME("(%p)->(%p)\n", This, p);
 256     return E_NOTIMPL;
 257 }
 258
 259 static HRESULT WINAPI HTMLDOMNode_get_lastChild(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 260 {
 261     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 262     FIXME("(%p)->(%p)\n", This, p);
 263     return E_NOTIMPL;
 264 }
 265
 266 static HRESULT WINAPI HTMLDOMNode_get_previousSibling(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 267 {
 268     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 269     FIXME("(%p)->(%p)\n", This, p);
 270     return E_NOTIMPL;
 271 }
 272
 273 static HRESULT WINAPI HTMLDOMNode_get_nextSibling(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 274 {
 275     HTMLDOMNode *This = HTMLDOMNODE_THIS(iface);
 276     FIXME("(%p)->(%p)\n", This, p);
 277     return E_NOTIMPL;
 278 }
 279
 280 static const IHTMLDOMNodeVtbl HTMLDOMNodeVtbl = {
 281     HTMLDOMNode_QueryInterface,
 282     HTMLDOMNode_AddRef,
 283     HTMLDOMNode_Release,
 284     HTMLDOMNode_GetTypeInfoCount,
 285     HTMLDOMNode_GetTypeInfo,
 286     HTMLDOMNode_GetIDsOfNames,
 287     HTMLDOMNode_Invoke,
 288     HTMLDOMNode_get_nodeType,
 289     HTMLDOMNode_get_parentNode,
 290     HTMLDOMNode_hasChildNodes,
 291     HTMLDOMNode_get_childNodes,
 292     HTMLDOMNode_get_attributes,
 293     HTMLDOMNode_insertBefore,
 294     HTMLDOMNode_removeChild,
 295     HTMLDOMNode_replaceChild,
 296     HTMLDOMNode_cloneNode,
 297     HTMLDOMNode_removeNode,
 298     HTMLDOMNode_swapNode,
 299     HTMLDOMNode_replaceNode,
 300     HTMLDOMNode_appendChild,
 301     HTMLDOMNode_get_nodeName,
 302     HTMLDOMNode_put_nodeValue,
 303     HTMLDOMNode_get_nodeValue,
 304     HTMLDOMNode_get_firstChild,
 305     HTMLDOMNode_get_lastChild,
 306     HTMLDOMNode_get_previousSibling,
 307     HTMLDOMNode_get_nextSibling
 308 };
 309
 310 HRESULT HTMLDOMNode_QI(HTMLDOMNode *This, REFIID riid, void **ppv)
 311 {
 312     *ppv = NULL;
 313
 314     if(IsEqualGUID(&IID_IUnknown, riid)) {
 315         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 316         *ppv = HTMLDOMNODE(This);
 317     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 318         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 319         *ppv = HTMLDOMNODE(This);
 320     }else if(IsEqualGUID(&IID_IHTMLDOMNode, riid)) {
 321         TRACE("(%p)->(IID_IHTMLDOMNode %p)\n", This, ppv);
 322         *ppv = HTMLDOMNODE(This);
 323     }
 324
 325     if(*ppv) {
 326         IUnknown_AddRef((IUnknown*)*ppv);
 327         return S_OK;
 328     }
 329
 330     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 331     return E_NOINTERFACE;
 332 }
 333
 334 void HTMLDOMNode_destructor(HTMLDOMNode *This)
 335 {
 336     if(This->nsnode)
 337         nsIDOMNode_Release(This->nsnode);
 338 }
 339
 340 static const NodeImplVtbl HTMLDOMNodeImplVtbl = {
 341     HTMLDOMNode_QI,
 342     HTMLDOMNode_destructor
 343 };
 344
 345 static HTMLDOMNode *create_node(HTMLDocument *doc, nsIDOMNode *nsnode)
 346 {
 347     HTMLDOMNode *ret;
 348     PRUint16 node_type;
 349
 350     nsIDOMNode_GetNodeType(nsnode, &node_type);
 351
 352     switch(node_type) {
 353     case ELEMENT_NODE:
 354         ret = &HTMLElement_Create(nsnode)->node;
 355         break;
 356     default:
 357         ret = mshtml_alloc(sizeof(HTMLDOMNode));
 358         ret->vtbl = &HTMLDOMNodeImplVtbl;
 359     }
 360
 361     ret->lpHTMLDOMNodeVtbl = &HTMLDOMNodeVtbl;
 362     ret->ref = 1;
 363     ret->doc = doc;
 364
 365     nsIDOMNode_AddRef(nsnode);
 366     ret->nsnode = nsnode;
 367
 368     return ret;
 369 }
 370
 371 /*
 372  * FIXME
 373  * List looks really ugly here. We should use a better data structure or
 374  * (better) find a way to store HTMLDOMelement poiner in nsIDOMNode.
 375  */
 376
 377 HTMLDOMNode *get_node(HTMLDocument *This, nsIDOMNode *nsnode)
 378 {
 379     HTMLDOMNode *iter = This->nodes, *ret;
 380
 381     while(iter) {
 382         if(iter->nsnode == nsnode)
 383             break;
 384         iter = iter->next;
 385     }
 386
 387     if(iter)
 388         return iter;
 389
 390     ret = create_node(This, nsnode);
 391
 392     ret->next = This->nodes;
 393     This->nodes = ret;
 394
 395     return ret;
 396 }
 397
 398 void release_nodes(HTMLDocument *This)
 399 {
 400     HTMLDOMNode *iter, *next;
 401
 402     if(!This->nodes)
 403         return;
 404
 405     for(iter = This->nodes; iter; iter = next) {
 406         next = iter->next;
 407         iter->doc = NULL;
 408         IHTMLDOMNode_Release(HTMLDOMNODE(iter));
 409     }
 410 }