mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 21:01:08 +00:00
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
/* 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
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "ExternalHelperAppChild.h"
|
|
#include "mozilla/dom/BrowserChild.h"
|
|
#include "nsIInputStream.h"
|
|
#include "nsIRequest.h"
|
|
#include "nsIResumableChannel.h"
|
|
#include "nsIPropertyBag2.h"
|
|
#include "nsNetUtil.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_ISUPPORTS(ExternalHelperAppChild, nsIStreamListener, nsIRequestObserver)
|
|
|
|
ExternalHelperAppChild::ExternalHelperAppChild() : mStatus(NS_OK) {}
|
|
|
|
ExternalHelperAppChild::~ExternalHelperAppChild() {}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsIStreamListener
|
|
//-----------------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
ExternalHelperAppChild::OnDataAvailable(nsIRequest* request,
|
|
nsIInputStream* input, uint64_t offset,
|
|
uint32_t count) {
|
|
if (NS_FAILED(mStatus)) return mStatus;
|
|
|
|
static uint32_t const kCopyChunkSize = 128 * 1024;
|
|
uint32_t toRead = std::min<uint32_t>(count, kCopyChunkSize);
|
|
|
|
nsCString data;
|
|
|
|
while (count) {
|
|
nsresult rv = NS_ReadInputStreamToString(input, data, toRead);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
if (NS_WARN_IF(!SendOnDataAvailable(data, offset, toRead))) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
count -= toRead;
|
|
offset += toRead;
|
|
toRead = std::min<uint32_t>(count, kCopyChunkSize);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// nsIRequestObserver
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_IMETHODIMP
|
|
ExternalHelperAppChild::OnStartRequest(nsIRequest* request) {
|
|
nsresult rv = mHandler->OnStartRequest(request);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
|
|
|
|
nsCString entityID;
|
|
nsCOMPtr<nsIResumableChannel> resumable(do_QueryInterface(request));
|
|
if (resumable) {
|
|
resumable->GetEntityID(entityID);
|
|
}
|
|
SendOnStartRequest(entityID);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ExternalHelperAppChild::OnStopRequest(nsIRequest* request, nsresult status) {
|
|
// mHandler can be null if we diverted the request to the parent
|
|
if (mHandler) {
|
|
nsresult rv = mHandler->OnStopRequest(request, status);
|
|
SendOnStopRequest(status);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ExternalHelperAppChild::RecvCancel(
|
|
const nsresult& aStatus) {
|
|
mStatus = aStatus;
|
|
return IPC_OK();
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|