Gabriel Ivăncescu : mshtml: Don't rely on the outer_window in document.mimeType.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a5028f1e26c2ab6ef8c947b5d8ba75f76bb7bd92
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a5028f1e26c2ab6ef8c947b5d8ba75f...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Mon Dec  4 17:27:57 2023 +0200

mshtml: Don't rely on the outer_window in document.mimeType.

This would have crashed on detached windows, and checking the navigation_start
time has the same effect except it's decoupled from the outer window.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>

---

 dlls/mshtml/htmldoc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index 002d2553e4f..e37f04fee0b 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -1296,7 +1296,7 @@ static HRESULT WINAPI HTMLDocument_get_mimeType(IHTMLDocument2 *iface, BSTR *p)
 
     *p = NULL;
 
-    if(This->window && This->window->base.outer_window->readystate == READYSTATE_UNINITIALIZED)
+    if(This->window && !This->window->navigation_start_time)
         return (*p = SysAllocString(L"")) ? S_OK : E_FAIL;
 
     nsAString_InitDepend(&nsstr, NULL);