mshtml: Correctly handle utf-16 encoded pages.

dlls/mshtml/mshtml_private.h

@@ -165,6 +165,7 @@ typedef struct {
     nsLoadFlags load_flags;
     nsIURI *original_uri;
     char *content;
+    char *charset;
 } nsChannel;
 
 typedef struct {

dlls/mshtml/navigate.c

@@ -37,6 +37,7 @@
 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 
 #define CONTENT_LENGTH "Content-Length"
+#define UTF16_STR "utf-16"
 
 #define NSINSTREAM(x) ((nsIInputStream*) &(x)->lpInputStreamVtbl)
 
@@ -399,31 +400,37 @@ static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *if
     TRACE("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 
     if(This->nslistener) {
-        if(!This->nsstream) {
+        if(!This->nsstream)
             This->nsstream = create_nsprotocol_stream(pstgmed->u.pstm);
 
-            nsres = nsIStreamListener_OnStartRequest(This->nslistener,
-                    (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
-            if(NS_FAILED(nsres))
-                FIXME("OnStartRequest failed: %08x\n", nsres);
-        }
-
         do {
             hres = IStream_Read(pstgmed->u.pstm, This->nsstream->buf, sizeof(This->nsstream->buf),
                          &This->nsstream->buf_size);
             if(!This->nsstream->buf_size)
                 break;
 
+            if(!This->readed && This->nsstream->buf_size >= 2 && *(WORD*)This->nsstream->buf == 0xfeff) {
+                This->nschannel->charset = mshtml_alloc(sizeof(UTF16_STR));
+                memcpy(This->nschannel->charset, UTF16_STR, sizeof(UTF16_STR));
+            }
+
+            if(!This->readed) {
+                nsres = nsIStreamListener_OnStartRequest(This->nslistener,
+                        (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
+                if(NS_FAILED(nsres))
+                    FIXME("OnStartRequest failed: %08x\n", nsres);
+            }
+
+            This->readed += This->nsstream->buf_size;
+
             nsres = nsIStreamListener_OnDataAvailable(This->nslistener,
                     (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext,
                     NSINSTREAM(This->nsstream), This->readed, This->nsstream->buf_size);
             if(NS_FAILED(nsres))
-                FIXME("OnDataAvailable failed: %08x\n", nsres);
+                ERR("OnDataAvailable failed: %08x\n", nsres);
 
             if(This->nsstream->buf_size)
                 FIXME("buffer is not empty!\n");
-
-            This->readed += This->nsstream->buf_size;
         }while(hres == S_OK);
     }else {
         BYTE buf[1024];

dlls/mshtml/nsio.c

@@ -221,6 +221,7 @@ static nsrefcnt NSAPI nsChannel_Release(nsIHttpChannel *iface)
         if(This->original_uri)
             nsIURI_Release(This->original_uri);
         mshtml_free(This->content);
+        mshtml_free(This->charset);
         mshtml_free(This);
     }
 
@@ -512,11 +513,20 @@ static nsresult NSAPI nsChannel_GetContentCharset(nsIHttpChannel *iface,
 
     TRACE("(%p)->(%p)\n", This, aContentCharset);
 
-    if(This->channel)
-        return nsIChannel_GetContentCharset(This->channel, aContentCharset);
+    if(This->charset) {
+        nsACString_SetData(aContentCharset, This->charset);
+        return NS_OK;
+    }
 
-    FIXME("default action not implemented\n");
-    return NS_ERROR_NOT_IMPLEMENTED;
+    if(This->channel) {
+        nsresult nsres = nsIChannel_GetContentCharset(This->channel, aContentCharset);
+        const char *ch;
+        nsACString_GetData(aContentCharset, &ch, NULL);
+        return nsres;
+    }
+
+    nsACString_SetData(aContentCharset, "");
+    return NS_OK;
 }
 
 static nsresult NSAPI nsChannel_SetContentCharset(nsIHttpChannel *iface,
@@ -1871,6 +1881,7 @@ static nsresult NSAPI nsIOService_NewChannelFromURI(nsIIOService *iface, nsIURI
     ret->notif_callback = NULL;
     ret->load_flags = 0;
     ret->content = NULL;
+    ret->charset = NULL;
 
     nsIURI_AddRef(aURI);
     ret->original_uri = aURI;