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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "SuspendableChannelWrapper.h"
#include "nsIStreamListener.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS(BaseSuspendableChannelWrapper, nsISuspendableChannelWrapper)
NS_IMPL_ADDREF_INHERITED(SuspendableChannelWrapper,
BaseSuspendableChannelWrapper)
NS_IMPL_RELEASE_INHERITED(SuspendableChannelWrapper,
BaseSuspendableChannelWrapper)
NS_INTERFACE_MAP_BEGIN(SuspendableChannelWrapper)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsIRequest)
NS_INTERFACE_MAP_ENTRY(nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsISuspendableChannelWrapper)
NS_INTERFACE_MAP_END_AGGREGATED(mInnerChannel)
NS_IMETHODIMP
SuspendableChannelWrapper::Suspend() {
if (mInnerOpened) {
mInnerChannel->Suspend();
} else {
mSuspendCount++;
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::Resume() {
if (mInnerOpened) {
mInnerChannel->Resume();
} else if (mSuspendCount > 0) {
mSuspendCount--;
}
if (!mSuspendCount && mOuterOpened && !mInnerOpened) {
mInnerOpened = true;
MOZ_ASSERT(mListener);
return mInnerChannel->AsyncOpen(mListener);
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::IsPending(bool* _retval) {
NS_ENSURE_ARG_POINTER(_retval);
if (mInnerOpened) {
return mInnerChannel->IsPending(_retval);
}
*_retval = mSuspendCount > 0;
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::AsyncOpen(nsIStreamListener* aListener) {
if (mOuterOpened) {
return NS_ERROR_ALREADY_OPENED;
}
mListener = aListener;
mOuterOpened = true;
if (mInnerOpened || !mSuspendCount) {
return mInnerChannel->AsyncOpen(mListener);
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::Open(nsIInputStream** _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
} // namespace net
} // namespace mozilla