no message
git-svn-id: svn://10.0.0.236/trunk@54536 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
locka%iol.ie
277
mozilla/embedding/browser/activex/src/control/DropTarget.cpp
Normal file
277
mozilla/embedding/browser/activex/src/control/DropTarget.cpp
Normal file
@@ -0,0 +1,277 @@
|
||||
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||
*
|
||||
* The contents of this file are subject to the Netscape Public
|
||||
* License Version 1.1 (the "License"); you may not use this file
|
||||
* except in compliance with the License. You may obtain a copy of
|
||||
* the License at http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS
|
||||
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
||||
* implied. See the License for the specific language governing
|
||||
* rights and limitations under the License.
|
||||
*
|
||||
* The Original Code is mozilla.org code.
|
||||
*
|
||||
* The Initial Developer of the Original Code is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All
|
||||
* Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*/
|
||||
|
||||
#include "stdafx.h"
|
||||
|
||||
#include <intshcut.h>
|
||||
#include <shlobj.h>
|
||||
|
||||
#include "DropTarget.h"
|
||||
|
||||
#ifndef CFSTR_SHELLURL
|
||||
#define CFSTR_SHELLURL _T("UniformResourceLocator")
|
||||
#endif
|
||||
|
||||
#ifndef CFSTR_FILENAME
|
||||
#define CFSTR_FILENAME _T("FileName")
|
||||
#endif
|
||||
|
||||
#ifndef CFSTR_FILENAMEW
|
||||
#define CFSTR_FILENAMEW _T("FileNameW")
|
||||
#endif
|
||||
|
||||
static const UINT g_cfURL = RegisterClipboardFormat(CFSTR_SHELLURL);
|
||||
static const UINT g_cfFileName = RegisterClipboardFormat(CFSTR_FILENAME);
|
||||
static const UINT g_cfFileNameW = RegisterClipboardFormat(CFSTR_FILENAMEW);
|
||||
|
||||
CDropTarget::CDropTarget()
|
||||
{
|
||||
m_pOwner = NULL;
|
||||
}
|
||||
|
||||
|
||||
CDropTarget::~CDropTarget()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void CDropTarget::SetOwner(CMozillaBrowser *pOwner)
|
||||
{
|
||||
m_pOwner = pOwner;
|
||||
}
|
||||
|
||||
|
||||
HRESULT CDropTarget::GetURLFromFile(const TCHAR *pszFile, tstring &szURL)
|
||||
{
|
||||
USES_CONVERSION;
|
||||
CIPtr(IUniformResourceLocator) spUrl;
|
||||
|
||||
// Let's see if the file is an Internet Shortcut...
|
||||
HRESULT hr = CoCreateInstance (CLSID_InternetShortcut, NULL, CLSCTX_INPROC_SERVER, IID_IUniformResourceLocator, (void **) &spUrl);
|
||||
if (spUrl == NULL)
|
||||
{
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
// Get the IPersistFile interface
|
||||
CIPtr(IPersistFile) spFile = spUrl;
|
||||
if (spFile == NULL)
|
||||
{
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
// Initialise the URL object from the filename
|
||||
LPSTR lpTemp = NULL;
|
||||
if (FAILED(spFile->Load(T2OLE(pszFile), STGM_READ)) ||
|
||||
FAILED(spUrl->GetURL(&lpTemp)))
|
||||
{
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
// Free the memory
|
||||
CIPtr(IMalloc) spMalloc;
|
||||
if (FAILED(SHGetMalloc(&spMalloc)))
|
||||
{
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
// Copy the URL & cleanup
|
||||
szURL = A2T(lpTemp);
|
||||
spMalloc->Free(lpTemp);
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// IDropTarget implementation
|
||||
|
||||
HRESULT STDMETHODCALLTYPE CDropTarget::DragEnter(/* [unique][in] */ IDataObject __RPC_FAR *pDataObj, /* [in] */ DWORD grfKeyState, /* [in] */ POINTL pt, /* [out][in] */ DWORD __RPC_FAR *pdwEffect)
|
||||
{
|
||||
if (pdwEffect == NULL || pDataObj == NULL)
|
||||
{
|
||||
NG_ASSERT(0);
|
||||
return E_INVALIDARG;
|
||||
}
|
||||
|
||||
if (m_spDataObject != NULL)
|
||||
{
|
||||
NG_ASSERT(0);
|
||||
return E_UNEXPECTED;
|
||||
}
|
||||
|
||||
// TODO process Internet Shortcuts (*.URL) files
|
||||
FORMATETC formatetc;
|
||||
memset(&formatetc, 0, sizeof(formatetc));
|
||||
formatetc.dwAspect = DVASPECT_CONTENT;
|
||||
formatetc.lindex = -1;
|
||||
formatetc.tymed = TYMED_HGLOBAL;
|
||||
|
||||
// Test if the data object contains a text URL format
|
||||
formatetc.cfFormat = g_cfURL;
|
||||
if (pDataObj->QueryGetData(&formatetc) == S_OK)
|
||||
{
|
||||
m_spDataObject = pDataObj;
|
||||
*pdwEffect = DROPEFFECT_LINK;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
// Test if the data object contains a file name
|
||||
formatetc.cfFormat = g_cfFileName;
|
||||
if (pDataObj->QueryGetData(&formatetc) == S_OK)
|
||||
{
|
||||
m_spDataObject = pDataObj;
|
||||
*pdwEffect = DROPEFFECT_LINK;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
// Test if the data object contains a wide character file name
|
||||
formatetc.cfFormat = g_cfFileName;
|
||||
if (pDataObj->QueryGetData(&formatetc) == S_OK)
|
||||
{
|
||||
m_spDataObject = pDataObj;
|
||||
*pdwEffect = DROPEFFECT_LINK;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
// If we got here, then the format is not supported
|
||||
*pdwEffect = DROPEFFECT_NONE;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
|
||||
HRESULT STDMETHODCALLTYPE CDropTarget::DragOver(/* [in] */ DWORD grfKeyState, /* [in] */ POINTL pt, /* [out][in] */ DWORD __RPC_FAR *pdwEffect)
|
||||
{
|
||||
if (pdwEffect == NULL)
|
||||
{
|
||||
NG_ASSERT(0);
|
||||
return E_INVALIDARG;
|
||||
}
|
||||
*pdwEffect = m_spDataObject ? DROPEFFECT_LINK : DROPEFFECT_NONE;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
|
||||
HRESULT STDMETHODCALLTYPE CDropTarget::DragLeave(void)
|
||||
{
|
||||
if (m_spDataObject)
|
||||
{
|
||||
m_spDataObject.Release();
|
||||
}
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
|
||||
HRESULT STDMETHODCALLTYPE CDropTarget::Drop(/* [unique][in] */ IDataObject __RPC_FAR *pDataObj, /* [in] */ DWORD grfKeyState, /* [in] */ POINTL pt, /* [out][in] */ DWORD __RPC_FAR *pdwEffect)
|
||||
{
|
||||
if (pdwEffect == NULL)
|
||||
{
|
||||
NG_ASSERT(0);
|
||||
return E_INVALIDARG;
|
||||
}
|
||||
if (m_spDataObject == NULL)
|
||||
{
|
||||
*pdwEffect = DROPEFFECT_NONE;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
*pdwEffect = DROPEFFECT_LINK;
|
||||
|
||||
// Get the URL from the data object
|
||||
BSTR bstrURL = NULL;
|
||||
FORMATETC formatetc;
|
||||
STGMEDIUM stgmedium;
|
||||
memset(&formatetc, 0, sizeof(formatetc));
|
||||
memset(&stgmedium, 0, sizeof(formatetc));
|
||||
|
||||
formatetc.dwAspect = DVASPECT_CONTENT;
|
||||
formatetc.lindex = -1;
|
||||
formatetc.tymed = TYMED_HGLOBAL;
|
||||
|
||||
// Does the data object contain a URL?
|
||||
formatetc.cfFormat = g_cfURL;
|
||||
if (m_spDataObject->GetData(&formatetc, &stgmedium) == S_OK)
|
||||
{
|
||||
NG_ASSERT(stgmedium.tymed == TYMED_HGLOBAL);
|
||||
NG_ASSERT(stgmedium.hGlobal);
|
||||
char *pszURL = (char *) GlobalLock(stgmedium.hGlobal);
|
||||
NG_TRACE("URL \"%s\" dragged over control\n", pszURL);
|
||||
// Browse to the URL
|
||||
if (m_pOwner)
|
||||
{
|
||||
USES_CONVERSION;
|
||||
bstrURL = SysAllocString(A2OLE(pszURL));
|
||||
}
|
||||
GlobalUnlock(stgmedium.hGlobal);
|
||||
goto finish;
|
||||
}
|
||||
|
||||
// Does the data object point to a file?
|
||||
formatetc.cfFormat = g_cfFileName;
|
||||
if (m_spDataObject->GetData(&formatetc, &stgmedium) == S_OK)
|
||||
{
|
||||
USES_CONVERSION;
|
||||
NG_ASSERT(stgmedium.tymed == TYMED_HGLOBAL);
|
||||
NG_ASSERT(stgmedium.hGlobal);
|
||||
tstring szURL;
|
||||
char *pszURLFile = (char *) GlobalLock(stgmedium.hGlobal);
|
||||
NG_TRACE("File \"%s\" dragged over control\n", pszURLFile);
|
||||
if (SUCCEEDED(GetURLFromFile(A2T(pszURLFile), szURL)))
|
||||
{
|
||||
bstrURL = SysAllocString(T2OLE(szURL.c_str()));
|
||||
}
|
||||
GlobalUnlock(stgmedium.hGlobal);
|
||||
goto finish;
|
||||
}
|
||||
|
||||
// Does the data object point to a wide character file?
|
||||
formatetc.cfFormat = g_cfFileName;
|
||||
if (m_spDataObject->GetData(&formatetc, &stgmedium) == S_OK)
|
||||
{
|
||||
USES_CONVERSION;
|
||||
NG_ASSERT(stgmedium.tymed == TYMED_HGLOBAL);
|
||||
NG_ASSERT(stgmedium.hGlobal);
|
||||
tstring szURL;
|
||||
WCHAR *pszURLFile = (WCHAR *) GlobalLock(stgmedium.hGlobal);
|
||||
NG_TRACE("File \"%s\" dragged over control\n", W2A(pszURLFile));
|
||||
if (SUCCEEDED(GetURLFromFile(W2T(pszURLFile), szURL)))
|
||||
{
|
||||
USES_CONVERSION;
|
||||
bstrURL = SysAllocString(T2OLE(szURL.c_str()));
|
||||
}
|
||||
GlobalUnlock(stgmedium.hGlobal);
|
||||
goto finish;
|
||||
}
|
||||
|
||||
finish:
|
||||
// If we got a URL, browse there!
|
||||
if (bstrURL)
|
||||
{
|
||||
m_pOwner->Navigate(bstrURL, NULL, NULL, NULL, NULL);
|
||||
SysFreeString(bstrURL);
|
||||
}
|
||||
|
||||
ReleaseStgMedium(&stgmedium);
|
||||
m_spDataObject.Release();
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user