From 5a9980e1b73c591c1f682cb6142b6fb19cc9012e Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Fri, 17 Nov 2006 13:05:01 +0100
Subject: [PATCH] mshtml: Store nsIDOMCSSStyleDeclaration in HTMLStyle.

---
 dlls/mshtml/htmlelem.c       | 23 +++++++++++++++++++++--
 dlls/mshtml/htmlstyle.c      |  7 ++++++-
 dlls/mshtml/mshtml_private.h |  2 +-
 dlls/mshtml/nsiface.idl      | 30 ++++++++++++++++++++++++++++++
 4 files changed, 58 insertions(+), 4 deletions(-)

diff --git a/dlls/mshtml/htmlelem.c b/dlls/mshtml/htmlelem.c
index 57419b094ab..37abb518f2b 100644
--- a/dlls/mshtml/htmlelem.c
+++ b/dlls/mshtml/htmlelem.c
@@ -243,11 +243,30 @@ static HRESULT WINAPI HTMLElement_get_parentElement(IHTMLElement *iface, IHTMLEl
 static HRESULT WINAPI HTMLElement_get_style(IHTMLElement *iface, IHTMLStyle **p)
 {
     HTMLElement *This = HTMLELEM_THIS(iface);
+    nsIDOMElementCSSInlineStyle *nselemstyle;
+    nsIDOMCSSStyleDeclaration *nsstyle;
+    nsresult nsres;
 
     TRACE("(%p)->(%p)\n", This, p);
 
-    /* FIXME: Store IHTMLStyle instead of creating a new instance in every call. */
-    *p = HTMLStyle_Create();
+    nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMElementCSSInlineStyle,
+                                             (void**)&nselemstyle);
+    if(NS_FAILED(nsres)) {
+        ERR("Coud not get nsIDOMCSSStyleDeclaration interface: %08x\n", nsres);
+        return E_FAIL;
+    }
+
+    nsres = nsIDOMElementCSSInlineStyle_GetStyle(nselemstyle, &nsstyle);
+    nsIDOMElementCSSInlineStyle_Release(nselemstyle);
+    if(NS_FAILED(nsres)) {
+        ERR("GetStyle failed: %08x\n", nsres);
+        return E_FAIL;
+    }
+
+    /* FIXME: Store style instead of creating a new instance in each call */
+    *p = HTMLStyle_Create(nsstyle);
+
+    nsIDOMCSSStyleDeclaration_Release(nsstyle);
     return S_OK;
 }
 
diff --git a/dlls/mshtml/htmlstyle.c b/dlls/mshtml/htmlstyle.c
index 57000d782ef..9bc03338059 100644
--- a/dlls/mshtml/htmlstyle.c
+++ b/dlls/mshtml/htmlstyle.c
@@ -40,6 +40,8 @@ typedef struct {
     const IHTMLStyleVtbl *lpHTMLStyleVtbl;
 
     LONG ref;
+
+    nsIDOMCSSStyleDeclaration *nsstyle;
 } HTMLStyle;
 
 #define HTMLSTYLE(x)  ((IHTMLStyle*) &(x)->lpHTMLStyleVtbl);
@@ -1578,12 +1580,15 @@ static const IHTMLStyleVtbl HTMLStyleVtbl = {
     HTMLStyle_toString
 };
 
-IHTMLStyle *HTMLStyle_Create(void)
+IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration *nsstyle)
 {
     HTMLStyle *ret = mshtml_alloc(sizeof(HTMLStyle));
 
     ret->lpHTMLStyleVtbl = &HTMLStyleVtbl;
     ret->ref = 1;
+    ret->nsstyle = nsstyle;
+
+    nsIDOMCSSStyleDeclaration_AddRef(nsstyle);
 
     return HTMLSTYLE(ret);
 }
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 287d5748451..abc283b393e 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -329,7 +329,7 @@ void set_document_bscallback(HTMLDocument*,BSCallback*);
 IHlink *Hlink_Create(void);
 IHTMLSelectionObject *HTMLSelectionObject_Create(nsISelection*);
 IHTMLTxtRange *HTMLTxtRange_Create(nsISelection*);
-IHTMLStyle *HTMLStyle_Create(void);
+IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 
 void HTMLElement_Create(HTMLDOMNode*);
 void HTMLBodyElement_Create(HTMLElement*);
diff --git a/dlls/mshtml/nsiface.idl b/dlls/mshtml/nsiface.idl
index 0e59bc94c56..39a9da7b116 100644
--- a/dlls/mshtml/nsiface.idl
+++ b/dlls/mshtml/nsiface.idl
@@ -110,6 +110,8 @@ typedef nsISupports nsIDOMHTMLCollection;
 typedef nsISupports nsIDOMRange;
 typedef nsISupports nsIEditor;
 typedef nsISupports nsIWebProgressListener;
+typedef nsISupports nsIDOMCSSValue;
+typedef nsISupports nsIDOMCSSRule;
 
 [
     object,
@@ -375,6 +377,25 @@ interface nsIUploadChannel : nsISupports
     nsresult GetUploadStream(nsIInputStream **aUploadStream);
 }
 
+[
+    object,
+    uuid(a6cf90be-15b3-11d2-932e-00805f8add32)
+]
+interface nsIDOMCSSStyleDeclaration : nsISupports
+{
+    nsresult GetCssText(nsAString *aCssText);
+    nsresult SetCssText(const nsAString *aCssText);
+    nsresult GetPropertyValue(const nsAString *propertyName, nsAString *_retval);
+    nsresult GetPropertyCSSValue(const nsAString *propertyName, nsIDOMCSSValue **_retval);
+    nsresult RemoveProperty(const nsAString *propertyName, nsAString *_retval);
+    nsresult GetPropertyPriority(const nsAString *propertyName, nsAString *_retval);
+    nsresult SetProperty(const nsAString *propertyName, const nsAString *value,
+                         const nsAString *priority);
+    nsresult GetLength(PRUint32 *aLength);
+    nsresult Item(PRUint32 index, nsAString *_retval);
+    nsresult GetParentRule(nsIDOMCSSRule **aParentRule);
+}
+
 [
     object,
     uuid(a6cf907d-15b3-11d2-932e-00805f8add32)
@@ -462,6 +483,15 @@ interface nsIDOMElement : nsIDOMNode
                             PRBool *_retval);
 }
 
+[
+    object,
+    uuid(99715845-95fc-4a56-aa53-214b65c26e22)
+]
+interface nsIDOMElementCSSInlineStyle : nsISupports
+{
+    nsresult GetStyle(nsIDOMCSSStyleDeclaration **aStyle);
+}
+
 cpp_quote("#undef GetClassName");
 
 [