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128c09ccdd
We do some initialization of gfxFontSrcURI and gfxFontFaceSrc that is main thread only on the DOM worker threads. These portions of the initialization can easily be deferred to on demand access since they are only ever used on the main thread itself. Differential Revision: https://phabricator.services.mozilla.com/D153461
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_FONTSRCURI_H
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#define MOZILLA_GFX_FONTSRCURI_H
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#include "nsCOMPtr.h"
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#include "nsTString.h"
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#include "PLDHashTable.h"
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class nsIURI;
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namespace mozilla {
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namespace net {
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class nsSimpleURI;
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} // namespace net
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} // namespace mozilla
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/**
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* A wrapper for an nsIURI that can be used OMT, which has cached information
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* useful for the gfxUserFontSet.
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*/
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class gfxFontSrcURI final {
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public:
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explicit gfxFontSrcURI(nsIURI* aURI);
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(gfxFontSrcURI)
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nsIURI* get() { return mURI; }
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bool Equals(gfxFontSrcURI* aOther);
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nsresult GetSpec(nsACString& aResult);
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nsCString GetSpecOrDefault();
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PLDHashNumber Hash() const { return mHash; }
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bool InheritsSecurityContext() {
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EnsureInitialized();
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return mInheritsSecurityContext;
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}
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bool SyncLoadIsOK() {
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EnsureInitialized();
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return mSyncLoadIsOK;
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}
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private:
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~gfxFontSrcURI();
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void EnsureInitialized();
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// The URI.
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nsCOMPtr<nsIURI> mURI;
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// If the nsIURI is an nsSimpleURI for a data: URL, this is a pointer to it.
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// (Just a weak reference since mURI holds the strong reference.)
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//
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// We store this so that we don't duplicate the URL spec for data: URLs,
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// which can be much larger than other URLs.
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mozilla::net::nsSimpleURI* mSimpleURI;
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// If the nsIURI is not an nsSimpleURI, this is its spec.
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nsCString mSpec;
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// Precomputed hash for mURI.
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PLDHashNumber mHash;
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// Whether the font has been initialized on the main thread.
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bool mInitialized = false;
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// Whether the nsIURI's protocol handler has the URI_INHERITS_SECURITY_CONTEXT
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// flag.
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bool mInheritsSecurityContext = false;
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// Whether the nsIURI's protocol handler has teh URI_SYNC_LOAD_IS_OK flag.
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bool mSyncLoadIsOK = false;
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};
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#endif // MOZILLA_GFX_FONTSRCURI_H
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