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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 /dom/fetch/ChannelInfo.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/fetch/ChannelInfo.h')
-rw-r--r--dom/fetch/ChannelInfo.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/dom/fetch/ChannelInfo.h b/dom/fetch/ChannelInfo.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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/. */
+
+#ifndef mozilla_dom_ChannelInfo_h
+#define mozilla_dom_ChannelInfo_h
+
+#include "nsString.h"
+#include "nsCOMPtr.h"
+
+class nsIChannel;
+class nsIDocument;
+class nsIGlobalObject;
+class nsIURI;
+
+namespace mozilla {
+namespace ipc {
+class IPCChannelInfo;
+} // namespace ipc
+
+namespace dom {
+
+// This class represents the information related to a Response that we
+// retrieve from the corresponding channel that is used to perform the fetch.
+//
+// When adding new members to this object, the following code needs to be
+// updated:
+// * IPCChannelInfo
+// * InitFromChannel and InitFromIPCChannelInfo members
+// * ResurrectInfoOnChannel member
+// * AsIPCChannelInfo member
+// * constructors and assignment operators for this class.
+// * DOM Cache schema code (in dom/cache/DBSchema.cpp) to ensure that the newly
+// added member is saved into the DB and loaded from it properly.
+//
+// Care must be taken when initializing this object, or when calling
+// ResurrectInfoOnChannel(). This object cannot be initialized twice, and
+// ResurrectInfoOnChannel() cannot be called on it before it has been
+// initialized. There are assertions ensuring these invariants.
+class ChannelInfo final
+{
+public:
+ typedef mozilla::ipc::IPCChannelInfo IPCChannelInfo;
+
+ ChannelInfo()
+ : mInited(false)
+ {
+ }
+
+ ChannelInfo(const ChannelInfo& aRHS)
+ : mSecurityInfo(aRHS.mSecurityInfo)
+ , mInited(aRHS.mInited)
+ {
+ }
+
+ ChannelInfo&
+ operator=(const ChannelInfo& aRHS)
+ {
+ mSecurityInfo = aRHS.mSecurityInfo;
+ mInited = aRHS.mInited;
+ return *this;
+ }
+
+ void InitFromDocument(nsIDocument* aDoc);
+ void InitFromChannel(nsIChannel* aChannel);
+ void InitFromChromeGlobal(nsIGlobalObject* aGlobal);
+ void InitFromIPCChannelInfo(const IPCChannelInfo& aChannelInfo);
+
+ // This restores every possible information stored from a previous channel
+ // object on a new one.
+ nsresult ResurrectInfoOnChannel(nsIChannel* aChannel);
+
+ bool IsInitialized() const
+ {
+ return mInited;
+ }
+
+ IPCChannelInfo AsIPCChannelInfo() const;
+
+private:
+ void SetSecurityInfo(nsISupports* aSecurityInfo);
+
+private:
+ nsCString mSecurityInfo;
+ bool mInited;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_ChannelInfo_h