I am creating an extension using MSVC 6.0 + Gecko-sdk 1.7. I have
successfully created a nslWebProgressListener and within its
OnStateChange function, I have
if ((aStateFlags & STATE_STOP) && (aStateFlags &
STATE_IS_REQUEST)) {
nsCOMPtr<nsIHttpChannel> channel = do_QueryInterface(aRequest);
nsCOMPtr<nsIUploadChannel> upload = do_QueryInterface(channel);
if (upload) {
nsCOMPtr<nsIInputStream> uploadStream = nsnull;
if (NS_SUCCEEDED(rv =
upload->GetUploadStream(getter_AddRefs(uploadStream)))) {
PRUint32 avail;
rv = uploadStream->Available(&avail);
}
}
}
I found the avail is always 0 which is due to the stream has already
been processed before I get to it. After researching on this group, I
found that I can rewind the seekable stream by calling QueryInterface
for nsISeekableStream. As this interface is not frozen yet, I would not
expect to locate "nsISeekableStream.h" in the gecko-sdk directory but
the problem is I can't find it in the mozilla firefox 1.5.04 (window
source) either. Where I should look for this file and as well as
"nsIServiceManagerUtils.h" (for do_GetService..etc.)?
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