Use the data scheme to load resources in the WebKitGTK+ implementation, rather than...

[wxWidgets.git] / src / msw / ole / automtn.cpp

diff --git a/src/msw/ole/automtn.cpp b/src/msw/ole/automtn.cpp
index 04f367675d082765569d5b158136f7bd8b0bb05b..12a46ffcad35495faff534e8a4442cfafda588ec 100644 (file)
--- a/src/msw/ole/automtn.cpp
+++ b/src/msw/ole/automtn.cpp
@@ -54,15 +54,16 @@
 #include "wx/datetime.h"
 #endif // wxUSE_DATETIME
 
 #include "wx/datetime.h"
 #endif // wxUSE_DATETIME
 

-extern void wxClearVariant(VARIANTARG *pvarg) ;
-extern void wxReleaseVariant(VARIANTARG *pvarg) ;
-// static void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr);
-

 #if wxUSE_OLE_AUTOMATION
 
 #if wxUSE_OLE_AUTOMATION
 

-/*
- * wxAutomationObject
- */
+// Report an OLE error when calling the specified method to the user via wxLog.
+static void
+ShowException(const wxString& member,
+              HRESULT hr,
+              EXCEPINFO *pexcep = NULL,
+              unsigned int uiArgErr = 0);
+
+// wxAutomationObject

 
 wxAutomationObject::wxAutomationObject(WXIDISPATCH* dispatchPtr)
 {
 
 wxAutomationObject::wxAutomationObject(WXIDISPATCH* dispatchPtr)
 {


@@ -87,15 +88,12 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     if (!m_dispatchPtr)
         return false;
 
     if (!m_dispatchPtr)
         return false;
 

-    // nonConstMember is necessary because the wxString class doesn't have enough consts...
-    wxString nonConstMember(member);
-
-    int ch = nonConstMember.Find('.');
+    int ch = member.Find('.');

     if (ch != -1)
     {
         // Use dot notation to get the next object
     if (ch != -1)
     {
         // Use dot notation to get the next object

-        wxString member2(nonConstMember.Left((size_t) ch));
-        wxString rest(nonConstMember.Right(nonConstMember.length() - ch - 1));
+        wxString member2(member.Left((size_t) ch));
+        wxString rest(member.Right(member.length() - ch - 1));

         wxAutomationObject obj;
         if (!GetObject(obj, member2))
             return false;
         wxAutomationObject obj;
         if (!GetObject(obj, member2))
             return false;


@@ -103,7 +101,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     }
 
     VARIANTARG vReturn;
     }
 
     VARIANTARG vReturn;

-    wxClearVariant(& vReturn);
+    VariantInit(& vReturn);

 
     VARIANTARG* vReturnPtr = & vReturn;
 
 
     VARIANTARG* vReturnPtr = & vReturn;
 


@@ -111,7 +109,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     int namedArgCount = 0;
     int i;
     for (i = 0; i < noArgs; i++)
     int namedArgCount = 0;
     int i;
     for (i = 0; i < noArgs; i++)

-        if (!INVOKEARG(i).GetName().IsNull())
+        if ( !INVOKEARG(i).GetName().empty() )

         {
             namedArgCount ++;
         }
         {
             namedArgCount ++;
         }


@@ -126,7 +124,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     int j = 0;
     for (i = 0; i < namedArgCount; i++)
     {
     int j = 0;
     for (i = 0; i < namedArgCount; i++)
     {

-        if (!INVOKEARG(i).GetName().IsNull())
+        if ( !INVOKEARG(i).GetName().empty() )

         {
             argNames[(namedArgCount-j)] = wxConvertStringToOle(INVOKEARG(i).GetName());
             j ++;
         {
             argNames[(namedArgCount-j)] = wxConvertStringToOle(INVOKEARG(i).GetName());
             j ++;


@@ -146,7 +144,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
                                 1 + namedArgCount, LOCALE_SYSTEM_DEFAULT, dispIds);
     if (FAILED(hr))
     {
                                 1 + namedArgCount, LOCALE_SYSTEM_DEFAULT, dispIds);
     if (FAILED(hr))
     {

-//        ShowException(szMember, hr, NULL, 0);
+        ShowException(member, hr);

         delete[] argNames;
         delete[] dispIds;
         return false;
         delete[] argNames;
         delete[] dispIds;
         return false;


@@ -194,13 +192,13 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     delete[] dispIds;
 
     for (i = 0; i < noArgs; i++)
     delete[] dispIds;
 
     for (i = 0; i < noArgs; i++)

-        wxReleaseVariant(& oleArgs[i]) ;
+        VariantClear(& oleArgs[i]) ;

     delete[] oleArgs;
 
     if (FAILED(hr))
     {
         // display the exception information if appropriate:
     delete[] oleArgs;
 
     if (FAILED(hr))
     {
         // display the exception information if appropriate:

-//        ShowException((const char*) member, hr, &excep, uiArgErr);
+        ShowException(member, hr, &excep, uiArgErr);

 
         // free exception structure information
         SysFreeString(excep.bstrSource);
 
         // free exception structure information
         SysFreeString(excep.bstrSource);


@@ -208,7 +206,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
         SysFreeString(excep.bstrHelpFile);
 
         if (vReturnPtr)
         SysFreeString(excep.bstrHelpFile);
 
         if (vReturnPtr)

-            wxReleaseVariant(vReturnPtr);
+            VariantClear(vReturnPtr);

         return false;
     }
     else
         return false;
     }
     else


@@ -222,7 +220,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
             {
                 vReturn.pdispVal = NULL;
             }
             {
                 vReturn.pdispVal = NULL;
             }

-            wxReleaseVariant(& vReturn);
+            VariantClear(& vReturn);

         }
     }
     return true;
         }
     }
     return true;


@@ -488,33 +486,85 @@ bool wxAutomationObject::GetObject(wxAutomationObject& obj, const wxString& prop
         return false;
 }
 
         return false;
 }
 

+namespace
+{
+
+HRESULT wxCLSIDFromProgID(const wxString& progId, CLSID& clsId)
+{
+    HRESULT hr = CLSIDFromProgID(wxBasicString(progId), &clsId);
+    if ( FAILED(hr) )
+    {
+        wxLogSysError(hr, _("Failed to find CLSID of \"%s\""), progId);
+    }
+    return hr;
+}
+
+void *DoCreateInstance(const wxString& progId, const CLSID& clsId)
+{
+    // get the server IDispatch interface
+    //
+    // NB: using CLSCTX_INPROC_HANDLER results in failure when getting
+    //     Automation interface for Microsoft Office applications so don't use
+    //     CLSCTX_ALL which includes it
+    void *pDispatch = NULL;
+    HRESULT hr = CoCreateInstance(clsId, NULL, CLSCTX_SERVER,
+                                  IID_IDispatch, &pDispatch);
+    if (FAILED(hr))
+    {
+        wxLogSysError(hr, _("Failed to create an instance of \"%s\""), progId);
+        return NULL;
+    }
+
+    return pDispatch;
+}
+
+} // anonymous namespace
+

 // Get a dispatch pointer from the current object associated
 // Get a dispatch pointer from the current object associated

-// with a class id
-bool wxAutomationObject::GetInstance(const wxString& classId) const
+// with a ProgID
+bool wxAutomationObject::GetInstance(const wxString& progId, int flags) const

 {
     if (m_dispatchPtr)
         return false;
 
     CLSID clsId;
 {
     if (m_dispatchPtr)
         return false;
 
     CLSID clsId;

-    IUnknown * pUnk = NULL;
-
-    wxBasicString unicodeName(classId);
-
-    if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
-    {
-        wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
+    HRESULT hr = wxCLSIDFromProgID(progId, clsId);
+    if (FAILED(hr))

         return false;
         return false;

-    }

 
 

-    if (FAILED(GetActiveObject(clsId, NULL, &pUnk)))
+    IUnknown *pUnk = NULL;
+    hr = GetActiveObject(clsId, NULL, &pUnk);
+    if (FAILED(hr))

     {
     {

-        wxLogWarning(wxT("Cannot find an active object"));
+        if ( flags & wxAutomationInstance_CreateIfNeeded )
+        {
+            const_cast<wxAutomationObject *>(this)->
+                m_dispatchPtr = DoCreateInstance(progId, clsId);
+            if ( m_dispatchPtr )
+                return true;
+        }
+        else
+        {
+            // Log an error except if we're supposed to fail silently when the
+            // error is that no current instance exists.
+            if ( hr != MK_E_UNAVAILABLE ||
+                    !(flags & wxAutomationInstance_SilentIfNone) )
+            {
+                wxLogSysError(hr,
+                              _("Cannot get an active instance of \"%s\""),
+                              progId);
+            }
+        }
+

         return false;
     }
 
         return false;
     }
 

-    if (pUnk->QueryInterface(IID_IDispatch, (LPVOID*) &m_dispatchPtr) != S_OK)
+    hr = pUnk->QueryInterface(IID_IDispatch, (LPVOID*) &m_dispatchPtr);
+    if (FAILED(hr))

     {
     {

-        wxLogWarning(wxT("Cannot find IDispatch interface"));
+        wxLogSysError(hr,
+                      _("Failed to get OLE automation interface for \"%s\""),
+                      progId);

         return false;
     }
 
         return false;
     }
 


@@ -522,98 +572,95 @@ bool wxAutomationObject::GetInstance(const wxString& classId) const
 }
 
 // Get a dispatch pointer from a new object associated
 }
 
 // Get a dispatch pointer from a new object associated

-// with the given class id
-bool wxAutomationObject::CreateInstance(const wxString& classId) const
+// with the given ProgID
+bool wxAutomationObject::CreateInstance(const wxString& progId) const

 {
     if (m_dispatchPtr)
         return false;
 
     CLSID clsId;
 {
     if (m_dispatchPtr)
         return false;
 
     CLSID clsId;

-
-    wxBasicString unicodeName(classId);
-
-    if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
-    {
-        wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
+    HRESULT hr = wxCLSIDFromProgID(progId, clsId);
+    if (FAILED(hr))

         return false;
         return false;

-    }

 
 

-    // get the server IDispatch interface
-    //
-    // NB: using CLSCTX_INPROC_HANDLER results in failure when getting
-    //     Automation interface for Microsoft Office applications so don't use
-    //     CLSCTX_ALL which includes it
-    if (FAILED(CoCreateInstance(clsId, NULL, CLSCTX_SERVER, IID_IDispatch,
-                                (void**)&m_dispatchPtr)))
-    {
-        wxLogWarning(wxT("Cannot start an instance of this class."));
-        return false;
-    }
+    const_cast<wxAutomationObject *>(this)->
+        m_dispatchPtr = DoCreateInstance(progId, clsId);

 
 

-    return true;
+    return m_dispatchPtr != NULL;

 }
 
 }
 

-#endif // wxUSE_OLE_AUTOMATION
-
-#if 0
-
-void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr)
+static void
+ShowException(const wxString& member,
+              HRESULT hr,
+              EXCEPINFO *pexcep,
+              unsigned int uiArgErr)

 {
 {

-    TCHAR szBuf[512];
-
+    wxString message;

     switch (GetScode(hr))
     {
         case DISP_E_UNKNOWNNAME:
     switch (GetScode(hr))
     {
         case DISP_E_UNKNOWNNAME:

-            wsprintf(szBuf, L"%s: Unknown name or named argument.", szMember);
+            message = _("Unknown name or named argument.");

             break;
 
         case DISP_E_BADPARAMCOUNT:
             break;
 
         case DISP_E_BADPARAMCOUNT:

-            wsprintf(szBuf, L"%s: Incorrect number of arguments.", szMember);
+            message = _("Incorrect number of arguments.");

             break;
 
         case DISP_E_EXCEPTION:
             break;
 
         case DISP_E_EXCEPTION:

-            wsprintf(szBuf, L"%s: Error %d: ", szMember, pexcep->wCode);
-            if (pexcep->bstrDescription != NULL)
-                lstrcat(szBuf, pexcep->bstrDescription);
+            if ( pexcep )
+            {
+                if ( pexcep->bstrDescription )
+                    message << pexcep->bstrDescription << wxS(" ");
+                message += wxString::Format(wxS("error code %u"), pexcep->wCode);
+            }

             else
             else

-                lstrcat(szBuf, L"<<No Description>>");
+            {
+                message = _("Unknown exception");
+            }

             break;
 
         case DISP_E_MEMBERNOTFOUND:
             break;
 
         case DISP_E_MEMBERNOTFOUND:

-            wsprintf(szBuf, L"%s: method or property not found.", szMember);
+            message = _("Method or property not found.");

             break;
 
         case DISP_E_OVERFLOW:
             break;
 
         case DISP_E_OVERFLOW:

-            wsprintf(szBuf, L"%s: Overflow while coercing argument values.", szMember);
+            message = _("Overflow while coercing argument values.");

             break;
 
         case DISP_E_NONAMEDARGS:
             break;
 
         case DISP_E_NONAMEDARGS:

-            wsprintf(szBuf, L"%s: Object implementation does not support named arguments.",
-                        szMember);
+            message = _("Object implementation does not support named arguments.");

             break;
 
         case DISP_E_UNKNOWNLCID:
             break;
 
         case DISP_E_UNKNOWNLCID:

-            wsprintf(szBuf, L"%s: The locale ID is unknown.", szMember);
+            message = _("The locale ID is unknown.");

             break;
 
         case DISP_E_PARAMNOTOPTIONAL:
             break;
 
         case DISP_E_PARAMNOTOPTIONAL:

-            wsprintf(szBuf, L"%s: Missing a required parameter.", szMember);
+            message = _("Missing a required parameter.");

             break;
 
         case DISP_E_PARAMNOTFOUND:
             break;
 
         case DISP_E_PARAMNOTFOUND:

-            wsprintf(szBuf, L"%s: Argument not found, argument %d.", szMember, uiArgErr);
+            message.Printf(_("Argument %u not found."), uiArgErr);

             break;
 
         case DISP_E_TYPEMISMATCH:
             break;
 
         case DISP_E_TYPEMISMATCH:

-            wsprintf(szBuf, L"%s: Type mismatch, argument %d.", szMember, uiArgErr);
+            message.Printf(_("Type mismatch in argument %u."), uiArgErr);
+            break;
+
+        case ERROR_FILE_NOT_FOUND:
+            message = _("The system cannot find the file specified.");
+            break;
+
+        case REGDB_E_CLASSNOTREG:
+            message = _("Class not registered.");

             break;
 
         default:
             break;
 
         default:

-            wsprintf(szBuf, L"%s: Unknown error occurred.", szMember);
+            message.Printf(_("Unknown error %08x"), hr);

             break;
     }
 
             break;
     }
 

-    wxLogWarning(szBuf);
+    wxLogError(_("OLE Automation error in %s: %s"), member, message);

 }
 
 }
 

-#endif
+#endif // wxUSE_OLE_AUTOMATION