tor-browser

The Tor Browser
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FontFaceSetWorkerImpl.h (1998B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_FontFaceSetWorkerImpl_h
      8 #define mozilla_dom_FontFaceSetWorkerImpl_h
      9 
     10 #include "mozilla/dom/FontFaceSetImpl.h"
     11 
     12 namespace mozilla::dom {
     13 class ThreadSafeWorkerRef;
     14 class WorkerPrivate;
     15 
     16 class FontFaceSetWorkerImpl final : public FontFaceSetImpl {
     17  NS_DECL_ISUPPORTS_INHERITED
     18 
     19 public:
     20  explicit FontFaceSetWorkerImpl(FontFaceSet* aOwner);
     21 
     22  bool Initialize(WorkerPrivate* aWorkerPrivate);
     23  void Destroy() override;
     24 
     25  bool IsOnOwningThread() override;
     26 #ifdef DEBUG
     27  void AssertIsOnOwningThread() override;
     28 #endif
     29  void DispatchToOwningThread(const char* aName,
     30                              std::function<void()>&& aFunc) override;
     31 
     32  already_AddRefed<URLExtraData> GetURLExtraData() override;
     33 
     34  void FlushUserFontSet() override;
     35 
     36  // gfxUserFontSet
     37 
     38  already_AddRefed<gfxUserFontFamily> LookupFamily(
     39      const nsACString& aName) const override;
     40 
     41  nsresult StartLoad(gfxUserFontEntry* aUserFontEntry,
     42                     uint32_t aSrcIndex) override;
     43 
     44  bool IsFontLoadAllowed(const gfxFontFaceSrc&) override;
     45 
     46  FontVisibilityProvider* GetFontVisibilityProvider() const override;
     47 
     48 private:
     49  ~FontFaceSetWorkerImpl() override;
     50 
     51  void InitializeOnMainThread();
     52 
     53  uint64_t GetInnerWindowID() override;
     54 
     55  nsresult CreateChannelForSyncLoadFontData(
     56      nsIChannel** aOutChannel, gfxUserFontEntry* aFontToLoad,
     57      const gfxFontFaceSrc* aFontFaceSrc) override;
     58 
     59  TimeStamp GetNavigationStartTimeStamp() override;
     60 
     61  RefPtr<ThreadSafeWorkerRef> mWorkerRef MOZ_GUARDED_BY(mMutex);
     62 
     63  RefPtr<URLExtraData> mURLExtraData MOZ_GUARDED_BY(mMutex);
     64 };
     65 
     66 }  // namespace mozilla::dom
     67 
     68 #endif  // !defined(mozilla_dom_FontFaceSetWorkerImpl_h)