Merge branch 'webview_ie-js' of https://github.com/MaartenBent/wxWidgets

Fix using JavaScript in wxWebViewIE with custom scheme.

This repairs a regression in 3.1.4 due to the changes of 6787b0548b
(Merge branch 'webview-ie-fixes', 2020-07-23).

See https://github.com/wxWidgets/wxWidgets/pull/2004

build/cmake/samples/CMakeLists.txt

@@ -152,7 +152,8 @@ wx_add_sample(typetest typetest.cpp typetest.h)
 wx_add_sample(uiaction DEPENDS wxUSE_UIACTIONSIMULATOR)
 wx_add_sample(validate validate.cpp validate.h DEPENDS wxUSE_VALIDATORS)
 wx_add_sample(vscroll vstest.cpp)
-wx_add_sample(webview LIBRARIES wxwebview NAME webviewsample DEPENDS wxUSE_WEBVIEW)
+wx_add_sample(webview LIBRARIES wxwebview DATA ../help/doc.zip:doc.zip
+    NAME webviewsample DEPENDS wxUSE_WEBVIEW)
 if(TARGET webviewsample AND wxUSE_STC)
     wx_exe_link_libraries(webviewsample wxstc)
 endif()

include/wx/webview.h

@@ -89,12 +89,16 @@ enum wxWebViewNavigationActionFlags
 class WXDLLIMPEXP_WEBVIEW wxWebViewHandler
 {
 public:
-    wxWebViewHandler(const wxString& scheme) : m_scheme(scheme) {}
+    wxWebViewHandler(const wxString& scheme)
+        : m_scheme(scheme), m_securityURL() {}
     virtual ~wxWebViewHandler() {}
     virtual wxString GetName() const { return m_scheme; }
     virtual wxFSFile* GetFile(const wxString &uri) = 0;
+    virtual void SetSecurityURL(const wxString& url) { m_securityURL = url; }
+    virtual wxString GetSecurityURL() const { return m_securityURL; }
 private:
     wxString m_scheme;
+    wxString m_securityURL;
 };
 
 extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewNameStr[];

interface/wx/webview.h

@@ -252,6 +252,20 @@ public:
         @return The name of the scheme, as passed to the constructor.
     */
     virtual wxString GetName() const;
+
+    /**
+        Sets a custom security URL. Only used by wxWebViewIE.
+
+        @since 3.1.5
+    */
+    virtual void SetSecurityURL(const wxString& url);
+
+    /**
+        @return The custom security URL. Only used by wxWebViewIE.
+
+        @since 3.1.5
+    */
+    virtual wxString GetSecurityURL() const;
 };
 
 /**

src/msw/webview_ie.cpp

@@ -1077,7 +1077,7 @@ void wxWebViewIE::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
         HRESULT res = (*pfnCoInternetGetSession)(0, &session, 0);
         if(FAILED(res))
         {
-            wxFAIL_MSG("Could not retrive internet session");
+            wxFAIL_MSG("Could not retrieve internet session");
         }
 
         HRESULT hr = session->RegisterNameSpace(cf, CLSID_FileProtocol,
@@ -1616,12 +1616,6 @@ VirtualProtocol::VirtualProtocol(wxSharedPtr<wxWebViewHandler> handler)
     m_handler = handler;
 }
 
-BEGIN_IID_TABLE(VirtualProtocol)
-    ADD_IID(Unknown)
-    ADD_RAW_IID(wxIID_IInternetProtocolRoot)
-    ADD_RAW_IID(wxIID_IInternetProtocol)
-END_IID_TABLE;
-
 STDMETHODIMP VirtualProtocol::QueryInterface(REFIID riid, void **ppv)
 {
     wxLogQueryInterface(wxT("VirtualProtocol"), riid);
@@ -1768,27 +1762,25 @@ HRESULT STDMETHODCALLTYPE VirtualProtocol::ParseUrl(
         DWORD dwReserved)
 {
     wxUnusedVar(pwzUrl);
-    wxUnusedVar(ParseAction);
     wxUnusedVar(dwParseFlags);
-    wxUnusedVar(pwzResult);
-    wxUnusedVar(cchResult);
-    wxUnusedVar(pcchResult);
     wxUnusedVar(dwReserved);
 
-    switch (ParseAction)
+    const size_t secLen = m_handler->GetSecurityURL().length();
+    if ( secLen > 0 )
+    {
+        switch ( ParseAction )
         {
             case wxPARSE_SECURITY_URL:
             case wxPARSE_SECURITY_DOMAIN:
             {
-            const wchar_t Result[] = L"http://localhost";
+                if ( cchResult < secLen )
-            size_t Len = wcslen(Result);
-            if(cchResult <= Len)
                     return S_FALSE;
-            wcscpy(pwzResult, Result);
+                wcscpy(pwzResult, m_handler->GetSecurityURL().wc_str());
-            *pcchResult = Len;
+                *pcchResult = secLen;
                 return S_OK;
             }
         }
+    }
 
     return INET_E_DEFAULT_ACTION;
 }