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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 */
#ifndef mozilla_net_ProtocolHandlerInfo_h
#define mozilla_net_ProtocolHandlerInfo_h
#include "mozilla/Variant.h"
#include "nsProxyRelease.h"
#include "nsIProtocolHandler.h"
namespace mozilla {
namespace xpcom {
struct StaticProtocolHandler;
namespace net {
struct RuntimeProtocolHandler {
nsMainThreadPtrHandle<nsIProtocolHandler> mHandler;
uint32_t mProtocolFlags;
int32_t mDefaultPort;
// Information about a specific protocol handler.
class ProtocolHandlerInfo {
explicit ProtocolHandlerInfo(const xpcom::StaticProtocolHandler& aStatic)
: mInner(AsVariant(&aStatic)) {}
explicit ProtocolHandlerInfo(RuntimeProtocolHandler aDynamic)
: mInner(AsVariant(std::move(aDynamic))) {}
// Returns the statically known protocol-specific flags.
// See `nsIProtocolHandler` for valid values.
uint32_t StaticProtocolFlags() const;
// The port that this protocol normally uses.
// If a port does not make sense for the protocol (e.g., "about:") then -1
// will be returned.
int32_t DefaultPort() const;
// If true, `DynamicProtocolFlags()` may return a different value than
// `StaticProtocolFlags()` for flags in `DYNAMIC_URI_FLAGS`, due to a
// `nsIProtocolHandlerWithDynamicFlags` implementation.
bool HasDynamicFlags() const;
// Like `StaticProtocolFlags()` but also checks
// `nsIProtocolHandlerWithDynamicFlags` for uri-specific flags.
// NOTE: Only safe to call from the main thread.
nsresult DynamicProtocolFlags(nsIURI* aURI, uint32_t* aFlags) const
// Get the main-thread-only nsIProtocolHandler instance.
already_AddRefed<nsIProtocolHandler> Handler() const
Variant<const xpcom::StaticProtocolHandler*, RuntimeProtocolHandler> mInner;
} // namespace net
} // namespace mozilla
#endif // mozilla_net_ProtocolHandlerInfo_h