// Purpose: wxMSW wxWebViewIE class implementation for web view component
// Author: Marianne Gagnon
// Id: $Id$
-// Copyright: (c) 2010 Marianne Gagnon, Steven Lamerton
+// Copyright: (c) 2010 Marianne Gagnon, 2011 Steven Lamerton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include <mshtml.h>
#include "wx/msw/registry.h"
#include "wx/msw/missing.h"
+#include "wx/filesys.h"
+
+wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewIE, wxWebView);
+
+//We link to urlmon as it is required for CoInternetGetSession
+#pragma comment(lib, "urlmon")
BEGIN_EVENT_TABLE(wxWebViewIE, wxControl)
EVT_ACTIVEX(wxID_ANY, wxWebViewIE::onActiveXEvent)
}
m_webBrowser = NULL;
- m_canNavigateBack = false;
- m_canNavigateForward = false;
m_isBusy = false;
m_historyLoadingFromList = false;
m_historyEnabled = true;
m_webBrowser->put_RegisterAsBrowser(VARIANT_TRUE);
m_webBrowser->put_RegisterAsDropTarget(VARIANT_TRUE);
- //m_webBrowser->put_Silent(VARIANT_FALSE);
m_container = new wxActiveXContainer(this, IID_IWebBrowser2, m_webBrowser);
document->Release();
}
+void wxWebViewIE::RegisterHandler(wxSharedPtr<wxWebHandler> handler)
+{
+ ClassFactory* cf = new ClassFactory(handler);
+ IInternetSession* session;
+ if(FAILED(CoInternetGetSession(0, &session, 0)))
+ {
+ wxFAIL_MSG("Could not retrive internet session");
+ }
+
+ HRESULT hr = session->RegisterNameSpace(cf, CLSID_FileProtocol, handler->GetName(), 0, NULL, 0);
+ if(FAILED(hr))
+ {
+ wxFAIL_MSG("Could not register protocol");
+ }
+}
+
bool wxWebViewIE::CanExecCommand(wxString command)
{
IHTMLDocument2* document = GetDocument();
case DISPID_TITLECHANGE:
{
+ wxString title = evt[0].GetString();
+
+ wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED,
+ GetId(), GetCurrentURL(), wxEmptyString, true);
+ event.SetString(title);
+ event.SetEventObject(this);
+ HandleWindowEvent(event);
break;
}
HandleWindowEvent(event);
break;
}
-
- case DISPID_COMMANDSTATECHANGE:
- {
- long commandId = evt[0].GetLong();
- bool enable = evt[1].GetBool();
- if (commandId == CSC_NAVIGATEBACK)
- {
- m_canNavigateBack = enable;
- }
- else if (commandId == CSC_NAVIGATEFORWARD)
- {
- m_canNavigateForward = enable;
- }
- break;
- }
case DISPID_NEWWINDOW3:
{
wxString url = evt[4].GetString();
event.SetEventObject(this);
HandleWindowEvent(event);
- //If we veto the event then we cancel the new window
- if (event.IsVetoed())
- {
- wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
- *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
- }
+ //We always cancel this event otherwise an Internet Exporer window
+ //is opened for the url
+ wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
+ *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
break;
}
}
evt.Skip();
}
+VirtualProtocol::VirtualProtocol(wxSharedPtr<wxWebHandler> handler)
+{
+ m_refCount = 0;
+ m_file = NULL;
+ m_handler = handler;
+}
+
+VirtualProtocol::~VirtualProtocol()
+{
+}
+
+ULONG VirtualProtocol::AddRef()
+{
+ m_refCount++;
+ return m_refCount;
+}
+
+HRESULT VirtualProtocol::QueryInterface(REFIID riid, void **ppvObject)
+{
+ if(riid == IID_IUnknown || riid == IID_IInternetProtocolRoot ||
+ riid == IID_IInternetProtocol)
+ {
+ *ppvObject = (IInternetProtocol*)this;
+ AddRef();
+ return S_OK;
+ }
+ else
+ {
+ *ppvObject = NULL;
+ return E_POINTER;
+ }
+}
+
+ULONG VirtualProtocol::Release()
+{
+ m_refCount--;
+ if (m_refCount > 0)
+ {
+ return m_refCount;
+ }
+ else
+ {
+ delete this;
+ return 0;
+ }
+}
+
+HRESULT VirtualProtocol::Start(LPCWSTR szUrl, IInternetProtocolSink *pOIProtSink,
+ IInternetBindInfo *pOIBindInfo, DWORD grfPI,
+ HANDLE_PTR dwReserved)
+{
+ wxUnusedVar(szUrl);
+ wxUnusedVar(pOIBindInfo);
+ wxUnusedVar(grfPI);
+ wxUnusedVar(dwReserved);
+ m_protocolSink = pOIProtSink;
+
+ //We get the file itself from the protocol handler
+ m_file = m_handler->GetFile(szUrl);
+
+
+ if(!m_file)
+ return INET_E_RESOURCE_NOT_FOUND;
+
+ //We return the stream length for current and total size as we can always
+ //read the whole file from the stream
+ wxFileOffset length = m_file->GetStream()->GetLength();
+ m_protocolSink->ReportData(BSCF_FIRSTDATANOTIFICATION |
+ BSCF_DATAFULLYAVAILABLE |
+ BSCF_LASTDATANOTIFICATION,
+ length, length);
+ return S_OK;
+}
+
+HRESULT VirtualProtocol::Read(void *pv, ULONG cb, ULONG *pcbRead)
+{
+ //If the file is null we return false to indicte it is finished
+ if(!m_file)
+ return S_FALSE;
+
+ wxStreamError err = m_file->GetStream()->Read(pv, cb).GetLastError();
+ *pcbRead = m_file->GetStream()->LastRead();
+
+ if(err == wxSTREAM_NO_ERROR)
+ {
+ if(*pcbRead < cb)
+ {
+ wxDELETE(m_file);
+ m_protocolSink->ReportResult(S_OK, 0, NULL);
+ }
+ //As we are not eof there is more data
+ return S_OK;
+ }
+ else if(err == wxSTREAM_EOF)
+ {
+ wxDELETE(m_file);
+ m_protocolSink->ReportResult(S_OK, 0, NULL);
+ //We are eof and so finished
+ return S_OK;
+ }
+ else if(err == wxSTREAM_READ_ERROR)
+ {
+ wxDELETE(m_file);
+ return INET_E_DOWNLOAD_FAILURE;
+ }
+ else
+ {
+ //Dummy return to surpress a compiler warning
+ wxFAIL;
+ return INET_E_DOWNLOAD_FAILURE;
+ }
+}
+
+HRESULT ClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid,
+ void ** ppvObject)
+{
+ if (pUnkOuter)
+ return CLASS_E_NOAGGREGATION;
+ VirtualProtocol* vp = new VirtualProtocol(m_handler);
+ vp->AddRef();
+ HRESULT hr = vp->QueryInterface(riid, ppvObject);
+ vp->Release();
+ return hr;
+
+}
+
+STDMETHODIMP ClassFactory::LockServer(BOOL fLock)
+{
+ wxUnusedVar(fLock);
+ return S_OK;
+}
+
+ULONG ClassFactory::AddRef(void)
+{
+ m_refCount++;
+ return m_refCount;
+}
+
+HRESULT ClassFactory::QueryInterface(REFIID riid, void **ppvObject)
+{
+ if ((riid == IID_IUnknown) || (riid == IID_IClassFactory))
+ {
+ *ppvObject = this;
+ AddRef();
+ return S_OK;
+ }
+ else
+ {
+ *ppvObject = NULL;
+ return E_POINTER;
+ }
+
+}
+
+ULONG ClassFactory::Release(void)
+{
+ m_refCount--;
+ if (m_refCount > 0)
+ {
+ return m_refCount;
+ }
+ else
+ {
+ delete this;
+ return 0;
+ }
+
+}
+
#endif
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