nsResProtocolHandler.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 nsResProtocolHandler_h___

#define nsResProtocolHandler_h___

#include "mozilla/net/SubstitutingProtocolHandler.h"

#include "nsIResProtocolHandler.h"

#include "nsInterfaceHashtable.h"

#include "nsWeakReference.h"

struct SubstitutionMapping;

class nsResProtocolHandler final

    : public nsIResProtocolHandler,

      public mozilla::net::SubstitutingProtocolHandler,

      public nsSupportsWeakReference {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_NSIRESPROTOCOLHANDLER

  static already_AddRefed<nsResProtocolHandler> GetSingleton();

  NS_FORWARD_NSIPROTOCOLHANDLER(mozilla::net::SubstitutingProtocolHandler::)

  nsResProtocolHandler()

      : mozilla::net::SubstitutingProtocolHandler(

            "resource",

            /* aEnforceFileOrJar = */ false) {}

  NS_IMETHOD SetSubstitution(const nsACString& aRoot,

                             nsIURI* aBaseURI) override;

  NS_IMETHOD SetSubstitutionWithFlags(const nsACString& aRoot, nsIURI* aBaseURI,

                                      uint32_t aFlags) override;

  NS_IMETHOD HasSubstitution(const nsACString& aRoot, bool* aResult) override;

  NS_IMETHOD GetSubstitution(const nsACString& aRoot,

                             nsIURI** aResult) override {

    return mozilla::net::SubstitutingProtocolHandler::GetSubstitution(aRoot,

                                                                      aResult);

  NS_IMETHOD ResolveURI(nsIURI* aResURI, nsACString& aResult) override {

    return mozilla::net::SubstitutingProtocolHandler::ResolveURI(aResURI,

                                                                 aResult);

 protected:

  [[nodiscard]] nsresult GetSubstitutionInternal(const nsACString& aRoot,

                                                 nsIURI** aResult,

                                                 uint32_t* aFlags) override;

  virtual ~nsResProtocolHandler() = default;

  [[nodiscard]] bool ResolveSpecialCases(const nsACString& aHost,

                                         const nsACString& aPath,

                                         const nsACString& aPathname,

                                         nsACString& aResult) override;

  [[nodiscard]] virtual bool MustResolveJAR(const nsACString& aRoot) override {

    return aRoot.EqualsLiteral("android");

 private:

  [[nodiscard]] nsresult Init();

  static mozilla::StaticRefPtr<nsResProtocolHandler> sSingleton;

  nsCString mAppURI;

  nsCString mGREURI;

#ifdef ANDROID

  // Used for resource://android URIs

  nsCString mApkURI;

  nsresult GetApkURI(nsACString& aResult);

#endif

};

#endif /* nsResProtocolHandler_h___ */