67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_net_ProtocolHandlerInfo_h
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#define mozilla_net_ProtocolHandlerInfo_h
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#include "mozilla/Variant.h"
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#include "nsProxyRelease.h"
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#include "nsIProtocolHandler.h"
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namespace mozilla {
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namespace xpcom {
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struct StaticProtocolHandler;
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}
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namespace net {
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struct RuntimeProtocolHandler {
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nsMainThreadPtrHandle<nsIProtocolHandler> mHandler;
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uint32_t mProtocolFlags;
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int32_t mDefaultPort;
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};
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// Information about a specific protocol handler.
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class ProtocolHandlerInfo {
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public:
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explicit ProtocolHandlerInfo(const xpcom::StaticProtocolHandler& aStatic)
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: mInner(AsVariant(&aStatic)) {}
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explicit ProtocolHandlerInfo(RuntimeProtocolHandler aDynamic)
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: mInner(AsVariant(std::move(aDynamic))) {}
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// Returns the statically known protocol-specific flags.
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// See `nsIProtocolHandler` for valid values.
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uint32_t StaticProtocolFlags() const;
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// The port that this protocol normally uses.
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// If a port does not make sense for the protocol (e.g., "about:") then -1
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// will be returned.
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int32_t DefaultPort() const;
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// If true, `DynamicProtocolFlags()` may return a different value than
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// `StaticProtocolFlags()` for flags in `DYNAMIC_URI_FLAGS`, due to a
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// `nsIProtocolHandlerWithDynamicFlags` implementation.
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bool HasDynamicFlags() const;
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// Like `StaticProtocolFlags()` but also checks
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// `nsIProtocolHandlerWithDynamicFlags` for uri-specific flags.
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//
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// NOTE: Only safe to call from the main thread.
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nsresult DynamicProtocolFlags(nsIURI* aURI, uint32_t* aFlags) const
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MOZ_REQUIRES(sMainThreadCapability);
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// Get the main-thread-only nsIProtocolHandler instance.
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already_AddRefed<nsIProtocolHandler> Handler() const
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MOZ_REQUIRES(sMainThreadCapability);
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private:
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Variant<const xpcom::StaticProtocolHandler*, RuntimeProtocolHandler> mInner;
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};
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} // namespace net
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} // namespace mozilla
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#endif // mozilla_net_ProtocolHandlerInfo_h
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