CorpSms/HtmlCtrl.cpp
2025-02-27 16:58:16 +08:00

233 lines
5.7 KiB
C++

////////////////////////////////////////////////////////////////
// If this code works, it was written by Paul DiLascia.
// If not, I don't know who wrote it.
// Compiles with Visual C++ 6.0, runs on Windows 98 and probably NT too.
//
#include "StdAfx.h"
#include "HtmlCtrl.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
IMPLEMENT_DYNAMIC(CHtmlCtrl, CHtmlView)
BEGIN_MESSAGE_MAP(CHtmlCtrl, CHtmlView)
ON_WM_DESTROY()
ON_WM_MOUSEACTIVATE()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// Create control in same position as an existing static control with
// the same ID (could be any kind of control, really)
//
BOOL CHtmlCtrl::CreateFromStatic(UINT nID, CWnd* pParent)
{
CStatic wndStatic;
if (!wndStatic.SubclassDlgItem(nID, pParent))
return FALSE;
// Get static control rect, convert to parent's client coords.
CRect rc;
wndStatic.GetWindowRect(&rc);
pParent->ScreenToClient(&rc);
wndStatic.DestroyWindow();
// create HTML control (CHtmlView)
return Create(NULL, // class name
NULL, // title
(WS_CHILD | WS_VISIBLE ), // style
rc, // rectangle
pParent, // parent
nID, // control ID
NULL); // frame/doc context not used
}
/////////////////////////////////////////////////////////////////////
// Override to avoid CView stuff that assumes a frame.
//
void CHtmlCtrl::OnDestroy()
{
// This is probably unnecessary since ~CHtmlView does it, but
// safer to mimic CHtmlView::OnDestroy.
if (m_pBrowserApp) {
m_pBrowserApp.Release();
m_pBrowserApp = NULL;
}
CWnd::OnDestroy(); // bypass CView doc/frame stuff
}
////////////////////////////////////////////////////////////////////////
// Override to avoid CView stuff that assumes a frame.
//
int CHtmlCtrl::OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT msg)
{
// bypass CView doc/frame stuff
return CWnd::OnMouseActivate(pDesktopWnd, nHitTest, msg);
}
//////////////////////////////////////////////////////////////////////////
// Override navigation handler to pass to "app:" links to virtual handler.
// Cancels the navigation in the browser, since app: is a pseudo-protocol.
//
void CHtmlCtrl::OnBeforeNavigate2( LPCTSTR lpszURL,
DWORD nFlags,
LPCTSTR lpszTargetFrameName,
CByteArray& baPostedData,
LPCTSTR lpszHeaders,
BOOL* pbCancel )
{
const TCHAR APP_PROTOCOL[] = _T("app:");
int len = _tcslen(APP_PROTOCOL);
if (_tcsnicmp(lpszURL, APP_PROTOCOL, len)==0) {
OnAppCmd(lpszURL + len);
*pbCancel = TRUE;
}
}
//////////////////
// Called when the browser attempts to navigate to "app:foo"
// with "foo" as lpszWhere. Override to handle app commands.
//
void CHtmlCtrl::OnAppCmd(LPCTSTR lpszWhere)
{
// default: do nothing
}
//new code
CString CHtmlCtrl::GetFullName() const
{
ASSERT(m_pBrowserApp != NULL);
BSTR bstr;
m_pBrowserApp->get_FullName(&bstr);
CString retVal(bstr);
SysFreeString(bstr); // Added this line to prevent leak.
return retVal;
}
CString CHtmlCtrl::GetType() const
{
ASSERT(m_pBrowserApp != NULL);
BSTR bstr;
m_pBrowserApp->get_Type(&bstr);
CString retVal(bstr);
SysFreeString(bstr); // Added this line to prevent leak.
return retVal;
}
CString CHtmlCtrl::GetLocationName() const
{
ASSERT(m_pBrowserApp != NULL);
BSTR bstr;
m_pBrowserApp->get_LocationName(&bstr);
CString retVal(bstr);
SysFreeString(bstr); // Added this line to prevent leak.
return retVal;
}
CString CHtmlCtrl::GetLocationURL() const
{
ASSERT(m_pBrowserApp != NULL);
BSTR bstr;
m_pBrowserApp->get_LocationURL(&bstr);
CString retVal(bstr);
SysFreeString(bstr); // Added this line to prevent leak.
return retVal;
}
void CHtmlCtrl::Navigate(LPCTSTR lpszURL, DWORD dwFlags /* = 0 */,
LPCTSTR lpszTargetFrameName /* = NULL */ ,
LPCTSTR lpszHeaders /* = NULL */, LPVOID lpvPostData /* = NULL */,
DWORD dwPostDataLen /* = 0 */)
{
CString strURL(lpszURL);
BSTR bstrURL = strURL.AllocSysString();
COleSafeArray vPostData;
if (lpvPostData != NULL)
{
if (dwPostDataLen == 0)
dwPostDataLen = lstrlen((LPCTSTR) lpvPostData);
vPostData.CreateOneDim(VT_UI1, dwPostDataLen, lpvPostData);
}
m_pBrowserApp->Navigate(bstrURL, COleVariant((long) dwFlags, VT_I4), COleVariant(lpszTargetFrameName, VT_BSTR),
vPostData, COleVariant(lpszHeaders, VT_BSTR));
SysFreeString(bstrURL); // Added this line to prevent leak.
}
BOOL CHtmlCtrl::LoadFromResource(LPCTSTR lpszResource)
{
HINSTANCE hInstance = AfxGetResourceHandle();
ASSERT(hInstance != NULL);
CString strResourceURL;
BOOL bRetVal = TRUE;
LPTSTR lpszModule = new TCHAR[_MAX_PATH];
if (GetModuleFileName(hInstance, lpszModule, _MAX_PATH))
{
strResourceURL.Format(_T("res://%s/%s"), lpszModule, lpszResource);
Navigate(strResourceURL, 0, 0, 0);
}
else
bRetVal = FALSE;
delete [] lpszModule;
return bRetVal;
}
BOOL CHtmlCtrl::LoadFromResource(UINT nRes)
{
HINSTANCE hInstance = AfxGetResourceHandle();
ASSERT(hInstance != NULL);
CString strResourceURL;
BOOL bRetVal = TRUE;
LPTSTR lpszModule = new TCHAR[_MAX_PATH];
if (GetModuleFileName(hInstance, lpszModule, _MAX_PATH))
{
strResourceURL.Format(_T("res://%s/%d"), lpszModule, nRes);
Navigate(strResourceURL, 0, 0, 0);
}
else
bRetVal = FALSE;
delete [] lpszModule;
return bRetVal;
}
//end new code
void CHtmlCtrl::OnDocumentComplete(LPCTSTR lpszURL)
{
CHtmlView::OnDocumentComplete(lpszURL);
}
void CHtmlCtrl::OnNavigateComplete2(LPCTSTR strURL)
{
CHtmlView::OnNavigateComplete2(strURL);
}
BOOL CHtmlCtrl::PreTranslateMessage(MSG* pMsg)
{
return CHtmlView::PreTranslateMessage(pMsg);
}