mshtml: Added IHTMLDOMTextNode::get_length implementation.

dlls/mshtml/htmltextnode.c

@@ -35,6 +35,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 struct HTMLDOMTextNode {
     HTMLDOMNode node;
     const IHTMLDOMTextNodeVtbl   *lpIHTMLDOMTextNodeVtbl;
+
+    nsIDOMText *nstext;
 };
 
 #define HTMLTEXT(x)  (&(x)->lpIHTMLDOMTextNodeVtbl)
@@ -119,8 +121,17 @@ static HRESULT WINAPI HTMLDOMTextNode_toString(IHTMLDOMTextNode *iface, BSTR *St
 static HRESULT WINAPI HTMLDOMTextNode_get_length(IHTMLDOMTextNode *iface, LONG *p)
 {
     HTMLDOMTextNode *This = HTMLTEXT_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+    PRUint32 length = 0;
+    nsresult nsres;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    nsres = nsIDOMText_GetLength(This->nstext, &length);
+    if(NS_FAILED(nsres))
+        ERR("GetLength failed: %08x\n", nsres);
+
+    *p = length;
+    return S_OK;
 }
 
 static HRESULT WINAPI HTMLDOMTextNode_splitText(IHTMLDOMTextNode *iface, LONG offset, IHTMLDOMNode **pRetNode)
@@ -170,6 +181,9 @@ static void HTMLDOMTextNode_destructor(HTMLDOMNode *iface)
 {
     HTMLDOMTextNode *This = HTMLTEXT_NODE_THIS(iface);
 
+    if(This->nstext)
+        IHTMLDOMTextNode_Release(This->nstext);
+
     HTMLDOMNode_destructor(&This->node);
 }
 
@@ -195,7 +209,8 @@ static dispex_static_data_t HTMLDOMTextNode_dispex = {
 
 HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode *doc, nsIDOMNode *nsnode)
 {
-    HTMLDOMTextNode *ret ;
+    HTMLDOMTextNode *ret;
+    nsresult nsres;
 
     ret = heap_alloc_zero(sizeof(*ret));
     ret->node.vtbl = &HTMLDOMTextNodeImplVtbl;
@@ -204,5 +219,9 @@ HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode *doc, nsIDOMNode *nsnode)
     init_dispex(&ret->node.dispex, (IUnknown*)HTMLTEXT(ret), &HTMLDOMTextNode_dispex);
     HTMLDOMNode_Init(doc, &ret->node, nsnode);
 
+    nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMText, (void**)&ret->nstext);
+    if(NS_FAILED(nsres))
+        ERR("Could not get nsIDOMText iface: %08x\n", nsres);
+
     return &ret->node;
 }

dlls/mshtml/tests/dom.c

@@ -657,6 +657,17 @@ static IHTMLAnchorElement *_get_anchor_iface(unsigned line, IUnknown *unk)
     return anchor;
 }
 
+#define get_text_iface(u) _get_text_iface(__LINE__,u)
+static IHTMLDOMTextNode *_get_text_iface(unsigned line, IUnknown *unk)
+{
+    IHTMLDOMTextNode *text;
+    HRESULT hres;
+
+    hres = IUnknown_QueryInterface(unk, &IID_IHTMLDOMTextNode, (void**)&text);
+    ok_(__FILE__,line) (hres == S_OK, "Could not get IHTMLDOMTextNode: %08x\n", hres);
+    return text;
+}
+
 #define test_node_name(u,n) _test_node_name(__LINE__,u,n)
 static void _test_node_name(unsigned line, IUnknown *unk, const char *exname)
 {
@@ -1738,6 +1749,19 @@ static void _test_select_get_disabled(unsigned line, IHTMLSelectElement *select,
     _test_elem3_get_disabled(line, (IUnknown*)select, exb);
 }
 
+#define test_text_length(u,l) _test_text_length(__LINE__,u,l)
+static void _test_text_length(unsigned line, IUnknown *unk, LONG l)
+{
+    IHTMLDOMTextNode *text = _get_text_iface(line, unk);
+    LONG length;
+    HRESULT hres;
+
+    hres = IHTMLDOMTextNode_get_length(text, &length);
+    ok_(__FILE__,line)(hres == S_OK, "get_length failed: %08x\n", hres);
+    ok_(__FILE__,line)(length == l, "length = %d, expected %d\n", length, l);
+    IHTMLDOMTextNode_Release(text);
+}
+
 #define test_select_set_disabled(i,b) _test_select_set_disabled(__LINE__,i,b)
 static void _test_select_set_disabled(unsigned line, IHTMLSelectElement *select, VARIANT_BOOL b)
 {
@@ -5718,6 +5742,7 @@ static void test_create_elems(IHTMLDocument2 *doc)
     node = test_create_text(doc, "test");
     test_ifaces((IUnknown*)node, text_iids);
     test_disp((IUnknown*)node, &DIID_DispHTMLDOMTextNode, "[object]");
+    test_text_length((IUnknown*)node, 4);
 
     V_VT(&var) = VT_NULL;
     node2 = test_node_insertbefore((IUnknown*)body, node, &var);