/* -*- 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 MOZILLA_GFX_FONTSRCURI_H

#define MOZILLA_GFX_FONTSRCURI_H

#include "nsCOMPtr.h"

#include "nsIURI.h"

#include "PLDHashTable.h"

namespace mozilla {

namespace net {

class nsSimpleURI;

} // namespace net

} // namespace mozilla

/**

 * A wrapper for an nsIURI that can be used OMT, which has cached information

 * useful for the gfxUserFontSet.

 */

class gfxFontSrcURI

{

public:

  explicit gfxFontSrcURI(nsIURI* aURI);

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(gfxFontSrcURI)

  nsIURI* get() { return mURI; }

  bool Equals(gfxFontSrcURI* aOther);

  nsresult GetSpec(nsACString& aResult);

  nsCString GetSpecOrDefault();

  PLDHashNumber Hash() const { return mHash; }

  bool InheritsSecurityContext() const { return mInheritsSecurityContext; }

  bool SyncLoadIsOK() const { return mSyncLoadIsOK; }

private:

  ~gfxFontSrcURI();

  // The URI.

  nsCOMPtr<nsIURI> mURI;

  // If the nsIURI is an nsSimpleURI for a data: URL, this is a pointer to it.

  // (Just a weak reference since mURI holds the strong reference.)

  //

  // We store this so that we don't duplicate the URL spec for data: URLs,

  // which can be much larger than other URLs.

  mozilla::net::nsSimpleURI* mSimpleURI;

  // If the nsIURI is not an nsSimpleURI, this is its spec.

  nsCString mSpec;

  // Precomputed hash for mURI.

  PLDHashNumber mHash;

  // Whether the nsIURI's protocol handler has the URI_INHERITS_SECURITY_CONTEXT

  // flag.

  bool mInheritsSecurityContext;

  // Whether the nsIURI's protocol handler has teh URI_SYNC_LOAD_IS_OK flag.

  bool mSyncLoadIsOK;

};

#endif // MOZILLA_GFX_FONTSRCURI_H