Remove support for loading remote font faces

sky/engine/core/css/FontFaceSet.h

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- */
-
-#ifndef SKY_ENGINE_CORE_CSS_FONTFACESET_H_
-#define SKY_ENGINE_CORE_CSS_FONTFACESET_H_
-
-#include "sky/engine/core/css/FontFace.h"
-#include "sky/engine/core/dom/ActiveDOMObject.h"
-#include "sky/engine/core/events/EventListener.h"
-#include "sky/engine/core/events/EventTarget.h"
-#include "sky/engine/platform/AsyncMethodRunner.h"
-#include "sky/engine/platform/RefCountedSupplement.h"
-#include "sky/engine/wtf/PassRefPtr.h"
-#include "sky/engine/wtf/RefCounted.h"
-#include "sky/engine/wtf/Vector.h"
-
-// Mac OS X 10.6 SDK defines check() macro that interfares with our check() method
-#ifdef check
-#undef check
-#endif
-
-namespace blink {
-
-class CSSFontFace;
-class CSSFontFaceSource;
-class CSSFontSelector;
-class Dictionary;
-class Document;
-class ExceptionState;
-class Font;
-class FontFaceCache;
-class FontResource;
-class ExecutionContext;
-
-class FontFaceSet final : public RefCountedSupplement<Document, FontFaceSet>, public ActiveDOMObject, public EventTargetWithInlineData {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCounted<FontFaceSet>);
-    typedef RefCountedSupplement<Document, FontFaceSet> SupplementType;
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    virtual ~FontFaceSet();
-
-    bool check(const String& font, const String& text, ExceptionState&);
-
-    void add(FontFace*, ExceptionState&);
-    void clear();
-    bool remove(FontFace*, ExceptionState&);
-    bool has(FontFace*, ExceptionState&) const;
-
-    unsigned long size() const;
-    AtomicString status() const;
-
-    virtual ExecutionContext* executionContext() const override;
-    virtual const AtomicString& interfaceName() const override;
-
-    Document* document() const;
-
-    void didLayout();
-    void beginFontLoading(FontFace*);
-    void fontLoaded(FontFace*);
-    void loadError(FontFace*);
-
-    // ActiveDOMObject
-    virtual void suspend() override;
-    virtual void resume() override;
-    virtual void stop() override;
-
-    static PassRefPtr<FontFaceSet> from(Document&);
-    static void didLayout(Document&);
-
-    void addFontFacesToFontFaceCache(FontFaceCache*, CSSFontSelector*);
-
-private:
-    static PassRefPtr<FontFaceSet> create(Document& document)
-    {
-        return adoptRef(new FontFaceSet(document));
-    }
-
-    class FontLoadHistogram {
-    public:
-        enum Status { NoWebFonts, HadBlankText, DidNotHaveBlankText, Reported };
-        FontLoadHistogram() : m_status(NoWebFonts), m_count(0), m_recorded(false) { }
-        void incrementCount() { m_count++; }
-        void updateStatus(FontFace*);
-        void record();
-
-    private:
-        Status m_status;
-        int m_count;
-        bool m_recorded;
-    };
-
-    FontFaceSet(Document&);
-
-    bool hasLoadedFonts() const { return !m_loadedFonts.isEmpty() || !m_failedFonts.isEmpty(); }
-
-    bool inActiveDocumentContext() const;
-    void addToLoadingFonts(PassRefPtr<FontFace>);
-    void removeFromLoadingFonts(PassRefPtr<FontFace>);
-    void fireLoadingEvent();
-    void fireDoneEventIfPossible();
-    bool resolveFontStyle(const String&, Font&);
-    void handlePendingEventsAndPromisesSoon();
-    void handlePendingEventsAndPromises();
-    const ListHashSet<RefPtr<FontFace> >& cssConnectedFontFaceList() const;
-    bool isCSSConnectedFontFace(FontFace*) const;
-
-    HashSet<RefPtr<FontFace> > m_loadingFonts;
-    bool m_shouldFireLoadingEvent;
-    FontFaceArray m_loadedFonts;
-    FontFaceArray m_failedFonts;
-    ListHashSet<RefPtr<FontFace> > m_nonCSSConnectedFaces;
-
-    AsyncMethodRunner<FontFaceSet> m_asyncRunner;
-
-    FontLoadHistogram m_histogram;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_CSS_FONTFACESET_H_