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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /uriloader/exthandler/ExternalHelperAppChild.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'uriloader/exthandler/ExternalHelperAppChild.cpp')
-rw-r--r--uriloader/exthandler/ExternalHelperAppChild.cpp127
1 files changed, 127 insertions, 0 deletions
diff --git a/uriloader/exthandler/ExternalHelperAppChild.cpp b/uriloader/exthandler/ExternalHelperAppChild.cpp
new file mode 100644
index 000000000..584e596b9
--- /dev/null
+++ b/uriloader/exthandler/ExternalHelperAppChild.cpp
@@ -0,0 +1,127 @@
+/* -*- 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/net/ChannelDiverterChild.h"
+#include "nsIDivertableChannel.h"
+#include "nsIInputStream.h"
+#include "nsIFTPChannel.h"
+#include "nsIRequest.h"
+#include "nsIResumableChannel.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,
+ nsISupports *ctx,
+ nsIInputStream *input,
+ uint64_t offset,
+ uint32_t count)
+{
+ if (NS_FAILED(mStatus))
+ return mStatus;
+
+ nsCString data;
+ nsresult rv = NS_ReadInputStreamToString(input, data, count);
+ if (NS_FAILED(rv))
+ return rv;
+
+ if (!SendOnDataAvailable(data, offset, count))
+ return NS_ERROR_UNEXPECTED;
+
+ return NS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// nsIRequestObserver
+//////////////////////////////////////////////////////////////////////////////
+
+NS_IMETHODIMP
+ExternalHelperAppChild::OnStartRequest(nsIRequest *request, nsISupports *ctx)
+{
+ nsCOMPtr<nsIDivertableChannel> divertable = do_QueryInterface(request);
+ if (divertable) {
+ return DivertToParent(divertable, request);
+ }
+
+ nsresult rv = mHandler->OnStartRequest(request, ctx);
+ 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,
+ nsISupports *ctx,
+ nsresult status)
+{
+ // mHandler can be null if we diverted the request to the parent
+ if (mHandler) {
+ nsresult rv = mHandler->OnStopRequest(request, ctx, status);
+ SendOnStopRequest(status);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
+ }
+
+ return NS_OK;
+}
+
+nsresult
+ExternalHelperAppChild::DivertToParent(nsIDivertableChannel *divertable,
+ nsIRequest *request)
+{
+ // nsIDivertable must know about content conversions before being diverted.
+ MOZ_ASSERT(mHandler);
+ mHandler->MaybeApplyDecodingForExtension(request);
+
+ mozilla::net::ChannelDiverterChild *diverter = nullptr;
+ nsresult rv = divertable->DivertToParent(&diverter);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ MOZ_ASSERT(diverter);
+
+ if (SendDivertToParentUsing(diverter)) {
+ mHandler->DidDivertRequest(request);
+ mHandler = nullptr;
+ return NS_OK;
+ }
+
+ return NS_ERROR_FAILURE;
+}
+
+bool
+ExternalHelperAppChild::RecvCancel(const nsresult& aStatus)
+{
+ mStatus = aStatus;
+ return true;
+}
+
+} // namespace dom
+} // namespace mozilla