layout/style/FontFaceSetWorkerImpl.h

   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   nsPresContext* GetPresContext() 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)