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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 /embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp')
-rw-r--r--embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp143
1 files changed, 143 insertions, 0 deletions
diff --git a/embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp b/embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp
new file mode 100644
index 000000000..2b6fcbde4
--- /dev/null
+++ b/embedding/components/webbrowserpersist/WebBrowserPersistSerializeChild.cpp
@@ -0,0 +1,143 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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 "WebBrowserPersistSerializeChild.h"
+
+#include <algorithm>
+
+#include "nsThreadUtils.h"
+#include "ipc/IPCMessageUtils.h"
+
+namespace mozilla {
+
+NS_IMPL_ISUPPORTS(WebBrowserPersistSerializeChild,
+ nsIWebBrowserPersistWriteCompletion,
+ nsIWebBrowserPersistURIMap,
+ nsIOutputStream)
+
+WebBrowserPersistSerializeChild::WebBrowserPersistSerializeChild(const WebBrowserPersistURIMap& aMap)
+: mMap(aMap)
+{
+}
+
+WebBrowserPersistSerializeChild::~WebBrowserPersistSerializeChild()
+{
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::OnFinish(nsIWebBrowserPersistDocument* aDocument,
+ nsIOutputStream* aStream,
+ const nsACString& aContentType,
+ nsresult aStatus)
+{
+ MOZ_ASSERT(aStream == this);
+ nsCString contentType(aContentType);
+ Send__delete__(this, contentType, aStatus);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::GetNumMappedURIs(uint32_t* aNum)
+{
+ *aNum = static_cast<uint32_t>(mMap.mapURIs().Length());
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::GetURIMapping(uint32_t aIndex,
+ nsACString& aMapFrom,
+ nsACString& aMapTo)
+{
+ if (aIndex >= mMap.mapURIs().Length()) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ aMapFrom = mMap.mapURIs()[aIndex].mapFrom();
+ aMapTo = mMap.mapURIs()[aIndex].mapTo();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::GetTargetBaseURI(nsACString& aURI)
+{
+ aURI = mMap.targetBaseURI();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::Close()
+{
+ NS_WARNING("WebBrowserPersistSerializeChild::Close()");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::Flush()
+{
+ NS_WARNING("WebBrowserPersistSerializeChild::Flush()");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::Write(const char* aBuf, uint32_t aCount,
+ uint32_t* aWritten)
+{
+ // Normally an nsIOutputStream would have to be thread-safe, but
+ // nsDocumentEncoder currently doesn't call this off the main
+ // thread (which also means it's difficult to test the
+ // thread-safety code this class doesn't yet have).
+ //
+ // This is *not* an NS_ERROR_NOT_IMPLEMENTED, because at this
+ // point we've probably already misused the non-thread-safe
+ // refcounting.
+ MOZ_RELEASE_ASSERT(NS_IsMainThread(), "Fix this class to be thread-safe.");
+
+ // Work around bug 1181433 by sending multiple messages if
+ // necessary to write the entire aCount bytes, even though
+ // nsIOutputStream.idl says we're allowed to do a short write.
+ const char* buf = aBuf;
+ uint32_t count = aCount;
+ *aWritten = 0;
+ while (count > 0) {
+ uint32_t toWrite = std::min(IPC::MAX_MESSAGE_SIZE, count);
+ nsTArray<uint8_t> arrayBuf;
+ // It would be nice if this extra copy could be avoided.
+ arrayBuf.AppendElements(buf, toWrite);
+ SendWriteData(Move(arrayBuf));
+ *aWritten += toWrite;
+ buf += toWrite;
+ count -= toWrite;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::WriteFrom(nsIInputStream* aFrom,
+ uint32_t aCount,
+ uint32_t* aWritten)
+{
+ NS_WARNING("WebBrowserPersistSerializeChild::WriteFrom()");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::WriteSegments(nsReadSegmentFun aFun,
+ void* aCtx,
+ uint32_t aCount,
+ uint32_t* aWritten)
+{
+ NS_WARNING("WebBrowserPersistSerializeChild::WriteSegments()");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebBrowserPersistSerializeChild::IsNonBlocking(bool* aNonBlocking)
+{
+ // Writes will never fail with NS_BASE_STREAM_WOULD_BLOCK, so:
+ *aNonBlocking = false;
+ return NS_OK;
+}
+
+} // namespace mozilla