Initial implementation of wxWebProtocolHandler and wxWebFileProtocolHandler for the IE backend. This allows browsing of local files and files in zip archives when using a query string which specifies the protocol and path.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68445 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/webview_ie.h

@@ -26,6 +26,20 @@ struct IHTMLDocument2;
 class wxFSFile;
 class wxFileSystem;
 
+//Loads from uris such as file:///C:/example/example.html or archives such as
+//file:///C:/example/example.zip?protocol=zip;path=example.html 
+class WXDLLIMPEXP_WEB wxWebFileProtocolHandler : public wxWebProtocolHandler
+{
+public:
+    wxWebFileProtocolHandler();
+    virtual wxString GetProtocol() { return m_protocol; }
+    virtual wxFSFile* GetFile(const wxString &uri);
+    virtual wxString CombineURIs(const wxString &baseuri, const wxString &newuri);
+private:
+    wxString m_protocol;
+    wxFileSystem* m_fileSystem;
+};
+
 class WXDLLIMPEXP_WEB wxWebViewIE : public wxWebView
 {
 public:
@@ -111,6 +125,9 @@ public:
 
     virtual void RunScript(const wxString& javascript);
 
+    //Virtual Filesystem Support
+    virtual void RegisterProtocol(wxWebProtocolHandler* hanlder);
+
     // ---- IE-specific methods
 
     // FIXME: I seem to be able to access remote webpages even in offline mode...
@@ -167,10 +184,10 @@ protected:
     VOID * fileP;
 
     wxFSFile* m_file;
-    wxFileSystem* m_fileSys;
+    wxWebProtocolHandler* m_handler;
 
 public:
-    VirtualProtocol();
+    VirtualProtocol(wxWebProtocolHandler *handler);
     ~VirtualProtocol();
 
     //IUnknown
@@ -228,6 +245,7 @@ class ClassFactory : public IClassFactory
 private:
     ULONG m_refCount;
 public:
+    ClassFactory(wxWebProtocolHandler* handler) : m_handler(handler) {}
     //IUnknown
     ULONG STDMETHODCALLTYPE AddRef();
     HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject);
@@ -237,6 +255,8 @@ public:
     HRESULT STDMETHODCALLTYPE CreateInstance(IUnknown* pUnkOuter, 
                                              REFIID riid, void** ppvObject);
     HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock);
+private:
+    wxWebProtocolHandler* m_handler;
 };
 
 #endif // wxUSE_WEBVIEW_IE