mshtml: Added IHTMLStyle::backgroundAttachment property implementation.

dlls/mshtml/htmlstyle.c

@@ -37,6 +37,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 
 static const WCHAR attrBackground[] =
     {'b','a','c','k','g','r','o','u','n','d',0};
+static const WCHAR attrBackgroundAttachment[] =
+    {'b','a','c','k','g','r','o','u','n','d','-','a','t','t','a','c','h','m','e','n','t',0};
 static const WCHAR attrBackgroundColor[] =
     {'b','a','c','k','g','r','o','u','n','d','-','c','o','l','o','r',0};
 static const WCHAR attrBackgroundImage[] =
@@ -205,6 +207,7 @@ typedef struct {
 
 static const style_tbl_entry_t style_tbl[] = {
     {attrBackground,           DISPID_IHTMLSTYLE_BACKGROUND},
+    {attrBackgroundAttachment, DISPID_IHTMLSTYLE_BACKGROUNDATTACHMENT},
     {attrBackgroundColor,      DISPID_IHTMLSTYLE_BACKGROUNDCOLOR},
     {attrBackgroundImage,      DISPID_IHTMLSTYLE_BACKGROUNDIMAGE},
     {attrBackgroundPosition,   DISPID_IHTMLSTYLE_BACKGROUNDPOSITION},
@@ -1077,15 +1080,19 @@ static HRESULT WINAPI HTMLStyle_get_backgroundRepeat(IHTMLStyle *iface, BSTR *p)
 static HRESULT WINAPI HTMLStyle_put_backgroundAttachment(IHTMLStyle *iface, BSTR v)
 {
     HTMLStyle *This = impl_from_IHTMLStyle(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+
+    return set_style_attr(This, STYLEID_BACKGROUND_ATTACHMENT, v, 0);
 }
 
 static HRESULT WINAPI HTMLStyle_get_backgroundAttachment(IHTMLStyle *iface, BSTR *p)
 {
     HTMLStyle *This = impl_from_IHTMLStyle(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    return get_style_attr(This, STYLEID_BACKGROUND_ATTACHMENT, p);
 }
 
 static HRESULT WINAPI HTMLStyle_put_backgroundPosition(IHTMLStyle *iface, BSTR v)

dlls/mshtml/htmlstyle.h

@@ -34,6 +34,7 @@ struct HTMLStyle {
 /* NOTE: Make sure to keep in sync with style_tbl in htmlstyle.c */
 typedef enum {
     STYLEID_BACKGROUND,
+    STYLEID_BACKGROUND_ATTACHMENT,
     STYLEID_BACKGROUND_COLOR,
     STYLEID_BACKGROUND_IMAGE,
     STYLEID_BACKGROUND_POSITION,

dlls/mshtml/tests/style.c

@@ -1545,6 +1545,16 @@ static void test_body_style(IHTMLStyle *style)
     ok(!strcmp_wa(V_BSTR(&v), "red"), "str=%s\n", wine_dbgstr_w(V_BSTR(&v)));
     VariantClear(&v);
 
+    str = a2bstr("fixed");
+    hres = IHTMLStyle_put_backgroundAttachment(style, str);
+    ok(hres == S_OK, "put_backgroundAttachment failed: %08x\n", hres);
+    SysFreeString(str);
+
+    hres = IHTMLStyle_get_backgroundAttachment(style, &str);
+    ok(hres == S_OK, "get_backgroundAttachment failed: %08x\n", hres);
+    ok(!strcmp_wa(str, "fixed"), "ret = %s\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
     /* padding */
     hres = IHTMLStyle_get_padding(style, &str);
     ok(hres == S_OK, "get_padding failed: %08x\n", hres);