gfx/thebes/gfxFontSrcURI.h

   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  public:
  25   explicit gfxFontSrcURI(nsIURI* aURI);
  26
  27   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(gfxFontSrcURI)
  28
  29   nsIURI* get() { return mURI; }
  30
  31   bool Equals(gfxFontSrcURI* aOther);
  32   nsresult GetSpec(nsACString& aResult);
  33   nsCString GetSpecOrDefault();
  34
  35   PLDHashNumber Hash() const { return mHash; }
  36   bool InheritsSecurityContext() const { return mInheritsSecurityContext; }
  37   bool SyncLoadIsOK() const { return mSyncLoadIsOK; }
  38
  39  private:
  40   ~gfxFontSrcURI();
  41
  42   // The URI.
  43   nsCOMPtr<nsIURI> mURI;
  44
  45   // If the nsIURI is an nsSimpleURI for a data: URL, this is a pointer to it.
  46   // (Just a weak reference since mURI holds the strong reference.)
  47   //
  48   // We store this so that we don't duplicate the URL spec for data: URLs,
  49   // which can be much larger than other URLs.
  50   mozilla::net::nsSimpleURI* mSimpleURI;
  51
  52   // If the nsIURI is not an nsSimpleURI, this is its spec.
  53   nsCString mSpec;
  54
  55   // Precomputed hash for mURI.
  56   PLDHashNumber mHash;
  57
  58   // Whether the nsIURI's protocol handler has the URI_INHERITS_SECURITY_CONTEXT
  59   // flag.
  60   bool mInheritsSecurityContext;
  61
  62   // Whether the nsIURI's protocol handler has teh URI_SYNC_LOAD_IS_OK flag.
  63   bool mSyncLoadIsOK;
  64 };
  65
  66 #endif  // MOZILLA_GFX_FONTSRCURI_H