Pat Leamon : mshtml: Implement nsIHttpChannel::IsNoCacheReponse.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 824a7eed537765012110445b0f62c9bf3e0f1b3d
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=824a7eed537765012110445b0f62c9bf3e0f1b3d

Author: Pat Leamon <pat.leamon at gmail.com>
Date:   Thu Mar 10 20:12:26 2022 +0100

mshtml: Implement nsIHttpChannel::IsNoCacheReponse.

Signed-off-by: Pat Leamon <pleamonhp at yahoo.com.au>
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/mshtml/nsio.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/dlls/mshtml/nsio.c b/dlls/mshtml/nsio.c
index fc6602eddf4..e0b8bedf79c 100644
--- a/dlls/mshtml/nsio.c
+++ b/dlls/mshtml/nsio.c
@@ -1501,10 +1501,16 @@ static nsresult NSAPI nsChannel_IsNoStoreResponse(nsIHttpChannel *iface, cpp_boo
 static nsresult NSAPI nsChannel_IsNoCacheResponse(nsIHttpChannel *iface, cpp_bool *_retval)
 {
     nsChannel *This = impl_from_nsIHttpChannel(iface);
+    http_header_t *header;
 
-    FIXME("(%p)->(%p)\n", This, _retval);
+    static const WCHAR cache_controlW[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l'};
 
-    return NS_ERROR_NOT_IMPLEMENTED;
+    TRACE("(%p)->(%p)\n", This, _retval);
+
+    header = find_http_header(&This->response_headers, cache_controlW, ARRAY_SIZE(cache_controlW));
+    *_retval = header && !wcsicmp(header->data, L"no-cache");
+    /* FIXME: Gecko also checks if max-age is in the past */
+    return NS_OK;
 }
 
 static nsresult NSAPI nsChannel_IsPrivateResponse(nsIHttpChannel *iface, cpp_bool *_retval)