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Added nsCOMPtr support

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rods%netscape.com 1999-04-23 14:38:27 +00:00
Родитель e8dbe5399f
Коммит 32b8e9292b
1 изменённых файлов: 43 добавлений и 57 удалений
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100
widget/src/windows/nsClipboard.cpp
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@ -38,8 +38,8 @@
// interface definitions
static NS_DEFINE_IID(kIDataFlavorIID, NS_IDATAFLAVOR_IID);
static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
//static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
//static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
NS_IMPL_ADDREF_INHERITED(nsClipboard, nsBaseClipboard)
NS_IMPL_RELEASE_INHERITED(nsClipboard, nsBaseClipboard)
@ -63,13 +63,11 @@ nsClipboard::nsClipboard() : nsBaseClipboard()
}
//-------------------------------------------------------------------------
//
// nsClipboard destructor
//
//-------------------------------------------------------------------------
nsClipboard::~nsClipboard()
{
NS_IF_RELEASE(mWindow);
//NS_IF_RELEASE(mWindow);
//EmptyClipboard();
if (nsnull != mDataObj) {
@ -78,12 +76,11 @@ nsClipboard::~nsClipboard()
}
/**
* @param aIID The name of the class implementing the method
* @param _classiiddef The name of the #define symbol that defines the IID
* for the class (e.g. NS_ISUPPORTS_IID)
*
*/
//-------------------------------------------------------------------------
// * @param aIID The name of the class implementing the method
// * @param _classiiddef The name of the #define symbol that defines the IID
// * for the class (e.g. NS_ISUPPORTS_IID)
//-------------------------------------------------------------------------
nsresult nsClipboard::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
@ -103,10 +100,7 @@ nsresult nsClipboard::QueryInterface(const nsIID& aIID, void** aInstancePtr)
return rv;
}
/**
*
*
*/
//-------------------------------------------------------------------------
static UINT GetFormat(const nsString & aMimeStr)
{
UINT format = 0;
@ -126,10 +120,7 @@ static UINT GetFormat(const nsString & aMimeStr)
return format;
}
/**
*
*
*/
//-------------------------------------------------------------------------
nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, IDataObject ** aDataObj)
{
if (nsnull == aTransferable) {
@ -160,6 +151,8 @@ nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, ID
df->GetMimeType(mime);
UINT format = GetFormat(mime);
// check here to see if we can the data back from global member
// XXX need IStream support, or file support
FORMATETC fe;
SET_FORMATETC(fe, format, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL);
@ -178,9 +171,9 @@ nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, ID
// Get the transferable list of data flavors
nsCOMPtr<nsIGenericTransferable> genericTrans = do_QueryInterface(aTransferable);
if (genericTrans) {
nsIFormatConverter * converter = nsnull;
genericTrans->GetConverter(&converter);
if (nsnull != converter) {
nsCOMPtr<nsIFormatConverter> converter;
genericTrans->GetConverter(getter_AddRefs(converter));
if (converter) {
// Get list of output flavors
converter->GetOutputDataFlavors(&dfList);
if (nsnull != dfList) {
@ -192,6 +185,8 @@ nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, ID
df->GetMimeType(mime);
UINT format = GetFormat(mime);
// check here to see if we can the data back from global member
// XXX need IStream support, or file support
FORMATETC fe;
SET_FORMATETC(fe, format, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL);
@ -204,7 +199,6 @@ nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, ID
}
NS_RELEASE(dfList);
}
NS_RELEASE(converter);
}
}
@ -212,10 +206,7 @@ nsresult nsClipboard::CreateNativeDataObject(nsITransferable * aTransferable, ID
return NS_OK;
}
/**
*
*
*/
//-------------------------------------------------------------------------
NS_IMETHODIMP nsClipboard::SetNativeClipboardData()
{
mIgnoreEmptyNotification = PR_TRUE;
@ -249,12 +240,11 @@ NS_IMETHODIMP nsClipboard::SetNativeClipboardData()
}
/**
*
*
*/
//-------------------------------------------------------------------------
nsresult nsClipboard::GetGlobalData(HGLOBAL aHGBL, void ** aData, PRUint32 * aLen)
{
// Allocate a new memory buffer and
// copy the data from global memory
nsresult result = NS_ERROR_FAILURE;
LPSTR lpStr;
DWORD dataSize;
@ -275,6 +265,8 @@ nsresult nsClipboard::GetGlobalData(HGLOBAL aHGBL, void ** aData, PRUint32 * aLe
*aData = data;
result = NS_OK;
} else {
// We really shouldn't ever get here
// but just in case
*aData = nsnull;
*aLen = 0;
LPVOID lpMsgBuf;
@ -298,10 +290,8 @@ nsresult nsClipboard::GetGlobalData(HGLOBAL aHGBL, void ** aData, PRUint32 * aLe
return result;
}
/**
*
*
*/
//-------------------------------------------------------------------------
nsresult nsClipboard::GetNativeDataOffClipboard(nsIWidget * aWindow, UINT aFormat, void ** aData, PRUint32 * aLen)
{
HGLOBAL hglb;
@ -316,10 +306,7 @@ nsresult nsClipboard::GetNativeDataOffClipboard(nsIWidget * aWindow, UINT aForma
return result;
}
/**
*
*
*/
//-------------------------------------------------------------------------
nsresult nsClipboard::GetNativeDataOffClipboard(IDataObject * aDataObject, UINT aFormat, void ** aData, PRUint32 * aLen)
{
nsresult result = NS_ERROR_FAILURE;
@ -328,9 +315,13 @@ nsresult nsClipboard::GetNativeDataOffClipboard(IDataObject * aDataObject, UINT
return result;
}
// XXX at the moment we only support global memory transfers
// It is here where we will add support for native images
// and IStream
FORMATETC fe;
SET_FORMATETC(fe, aFormat, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL);
// Starting by querying for the data to see if we can get it as from global memory
if (S_OK == aDataObject->QueryGetData(&fe)) {
LPSTGMEDIUM stm;
HRESULT hres = aDataObject->GetData(&fe, stm);
@ -388,10 +379,7 @@ nsresult nsClipboard::GetNativeDataOffClipboard(IDataObject * aDataObject, UINT
}
/**
*
*
*/
//-------------------------------------------------------------------------
nsresult nsClipboard::GetDataFromDataObject(IDataObject * aDataObject,
nsIWidget * aWindow,
nsITransferable * aTransferable)
@ -402,7 +390,7 @@ nsresult nsClipboard::GetDataFromDataObject(IDataObject * aDataObject,
if (nsnull == aTransferable) {
return res;
}
nsCOMPtr<nsIGenericTransferable> genericTrans = do_QueryInterface(aTransferable);
nsCOMPtr<nsIGenericTransferable> genericTrans(do_QueryInterface(aTransferable));
if (!genericTrans) {
return res;
}
@ -444,10 +432,7 @@ nsresult nsClipboard::GetDataFromDataObject(IDataObject * aDataObject,
}
/**
*
*
*/
//-------------------------------------------------------------------------
NS_IMETHODIMP nsClipboard::GetNativeClipboardData(nsITransferable * aTransferable)
{
// make sure we have a good transferable
@ -457,10 +442,13 @@ NS_IMETHODIMP nsClipboard::GetNativeClipboardData(nsITransferable * aTransferabl
nsresult res;
// This makes sure we can use the OLE functionality for the clipboard
IDataObject * dataObj;
if (S_OK == ::OleGetClipboard(&dataObj)) {
// Use OLE IDataObject for clipboard operations
res = GetDataFromDataObject(dataObj, nsnull, aTransferable);
} else {
// do it the old manula way
res = GetDataFromDataObject(nsnull, mWindow, aTransferable);
}
return res;
@ -468,10 +456,7 @@ NS_IMETHODIMP nsClipboard::GetNativeClipboardData(nsITransferable * aTransferabl
}
/**
*
*
*/
//-------------------------------------------------------------------------
static void PlaceDataOnClipboard(PRUint32 aFormat, char * aData, int aLength)
{
HGLOBAL hGlobalMemory;
@ -500,10 +485,7 @@ static void PlaceDataOnClipboard(PRUint32 aFormat, char * aData, int aLength)
}
}
/**
*
*
*/
//-------------------------------------------------------------------------
NS_IMETHODIMP nsClipboard::ForceDataToClipboard()
{
// make sure we have a good transferable
@ -519,7 +501,7 @@ NS_IMETHODIMP nsClipboard::ForceDataToClipboard()
nsISupportsArray * dfList;
mTransferable->GetTransferDataFlavors(&dfList);
// Walk through flavors and see which flavor is on the clipboard them on the native clipboard,
// Walk through flavors and see which flavor is on the native clipboard,
PRUint32 i;
for (i=0;i<dfList->Count();i++) {
nsIDataFlavor * df;
@ -528,12 +510,16 @@ NS_IMETHODIMP nsClipboard::ForceDataToClipboard()
nsString mime;
df->GetMimeType(mime);
// convert mime to native format identifier
UINT format = GetFormat(mime);
void * data;
PRUint32 dataLen;
// Get the data as a bunch-o-bytes from the clipboard
mTransferable->GetTransferData(df, &data, &dataLen);
// now place it on the Clipboard
if (nsnull != data) {
PlaceDataOnClipboard(format, (char *)data, dataLen);
}