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       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef MOZILLA_GFX_FONTSRCURI_H
       7             : #define MOZILLA_GFX_FONTSRCURI_H
       8             : 
       9             : #include "nsCOMPtr.h"
      10             : #include "nsIURI.h"
      11             : #include "PLDHashTable.h"
      12             : 
      13             : namespace mozilla {
      14             : namespace net {
      15             : class nsSimpleURI;
      16             : } // namespace net
      17             : } // namespace mozilla
      18             : 
      19             : /**
      20             :  * A wrapper for an nsIURI that can be used OMT, which has cached information
      21             :  * useful for the gfxUserFontSet.
      22             :  */
      23             : class gfxFontSrcURI
      24             : {
      25             : public:
      26             :   explicit gfxFontSrcURI(nsIURI* aURI);
      27             : 
      28           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(gfxFontSrcURI)
      29             : 
      30           0 :   nsIURI* get() { return mURI; }
      31             : 
      32             :   bool Equals(gfxFontSrcURI* aOther);
      33             :   nsresult GetSpec(nsACString& aResult);
      34             :   nsCString GetSpecOrDefault();
      35             : 
      36           0 :   PLDHashNumber Hash() const { return mHash; }
      37           0 :   bool InheritsSecurityContext() const { return mInheritsSecurityContext; }
      38           0 :   bool SyncLoadIsOK() const { return mSyncLoadIsOK; }
      39             : 
      40             : private:
      41             :   ~gfxFontSrcURI();
      42             : 
      43             :   // The URI.
      44             :   nsCOMPtr<nsIURI> mURI;
      45             : 
      46             :   // If the nsIURI is an nsSimpleURI for a data: URL, this is a pointer to it.
      47             :   // (Just a weak reference since mURI holds the strong reference.)
      48             :   //
      49             :   // We store this so that we don't duplicate the URL spec for data: URLs,
      50             :   // which can be much larger than other URLs.
      51             :   mozilla::net::nsSimpleURI* mSimpleURI;
      52             : 
      53             :   // If the nsIURI is not an nsSimpleURI, this is its spec.
      54             :   nsCString mSpec;
      55             : 
      56             :   // Precomputed hash for mURI.
      57             :   PLDHashNumber mHash;
      58             : 
      59             :   // Whether the nsIURI's protocol handler has the URI_INHERITS_SECURITY_CONTEXT
      60             :   // flag.
      61             :   bool mInheritsSecurityContext;
      62             : 
      63             :   // Whether the nsIURI's protocol handler has teh URI_SYNC_LOAD_IS_OK flag.
      64             :   bool mSyncLoadIsOK;
      65             : };
      66             : 
      67             : #endif // MOZILLA_GFX_FONTSRCURI_H