| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_FONT_FACE_SET_WORKER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_FONT_FACE_SET_WORKER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/bindings/core/v8/iterable.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_promise.h" |
| #include "third_party/blink/renderer/core/css/font_face.h" |
| #include "third_party/blink/renderer/core/css/font_face_set.h" |
| #include "third_party/blink/renderer/core/css/offscreen_font_selector.h" |
| #include "third_party/blink/renderer/core/workers/worker_global_scope.h" |
| #include "third_party/blink/renderer/platform/async_method_runner.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator.h" |
| |
| namespace blink { |
| |
| class Font; |
| |
| class CORE_EXPORT FontFaceSetWorker final |
| : public FontFaceSet, |
| public Supplement<WorkerGlobalScope> { |
| USING_GARBAGE_COLLECTED_MIXIN(FontFaceSetWorker); |
| |
| public: |
| static const char kSupplementName[]; |
| |
| explicit FontFaceSetWorker(WorkerGlobalScope&); |
| ~FontFaceSetWorker() override; |
| |
| ScriptPromise ready(ScriptState*) override; |
| |
| AtomicString status() const override; |
| |
| WorkerGlobalScope* GetWorker() const; |
| |
| // FontFace::LoadFontCallback |
| void NotifyLoaded(FontFace*) override; |
| void NotifyError(FontFace*) override; |
| |
| void BeginFontLoading(FontFace*); |
| |
| static FontFaceSetWorker* From(WorkerGlobalScope&); |
| |
| void Trace(Visitor*) override; |
| |
| protected: |
| bool InActiveContext() const override { return true; } |
| FontSelector* GetFontSelector() const override { |
| return GetWorker()->GetFontSelector(); |
| } |
| // For workers, this is always an empty list. |
| const HeapLinkedHashSet<Member<FontFace>>& CSSConnectedFontFaceList() |
| const override { |
| DCHECK( |
| GetFontSelector()->GetFontFaceCache()->CssConnectedFontFaces().size() == |
| 0); |
| return GetFontSelector()->GetFontFaceCache()->CssConnectedFontFaces(); |
| } |
| |
| bool ResolveFontStyle(const String&, Font&) override; |
| |
| private: |
| static FontFaceSetWorker* Create(WorkerGlobalScope& worker) { |
| return MakeGarbageCollected<FontFaceSetWorker>(worker); |
| } |
| |
| void FireDoneEventIfPossible() override; |
| DISALLOW_COPY_AND_ASSIGN(FontFaceSetWorker); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_FONT_FACE_SET_WORKER_H_ |