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1ab9074459
This (a) moves ownership of the gfxUserFontSet into FontFaceSet, (b) moves nearly all of the functionality of nsUserFontSet into FontFaceSet, and (c) adds a class that inherits from gfxUserFontSet so that we can override some of its virtual functions and delegate them to the FontFaceSet.
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:cindent:ts=2:et:sw=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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/* code for loading in @font-face defined font data */
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#ifndef nsFontFaceLoader_h_
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#define nsFontFaceLoader_h_
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#include "mozilla/Attributes.h"
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#include "nsCOMPtr.h"
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#include "nsIStreamLoader.h"
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#include "nsIChannel.h"
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#include "gfxUserFontSet.h"
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#include "nsHashKeys.h"
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#include "nsTHashtable.h"
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#include "nsCSSRules.h"
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class nsPresContext;
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class nsIPrincipal;
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class nsFontFaceLoader : public nsIStreamLoaderObserver
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{
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public:
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nsFontFaceLoader(gfxUserFontEntry* aFontToLoad, nsIURI* aFontURI,
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mozilla::dom::FontFaceSet* aFontFaceSet,
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nsIChannel* aChannel);
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NS_DECL_ISUPPORTS
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NS_DECL_NSISTREAMLOADEROBSERVER
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// initiate the load
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nsresult Init();
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// cancel the load and remove its reference to mFontFaceSet
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void Cancel();
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void DropChannel() { mChannel = nullptr; }
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void StartedLoading(nsIStreamLoader* aStreamLoader);
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static void LoadTimerCallback(nsITimer* aTimer, void* aClosure);
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static nsresult CheckLoadAllowed(nsIPrincipal* aSourcePrincipal,
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nsIURI* aTargetURI,
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nsISupports* aContext);
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protected:
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virtual ~nsFontFaceLoader();
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private:
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nsRefPtr<gfxUserFontEntry> mUserFontEntry;
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nsCOMPtr<nsIURI> mFontURI;
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nsRefPtr<mozilla::dom::FontFaceSet> mFontFaceSet;
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nsCOMPtr<nsIChannel> mChannel;
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nsCOMPtr<nsITimer> mLoadTimer;
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nsIStreamLoader* mStreamLoader;
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};
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#endif /* !defined(nsFontFaceLoader_h_) */
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