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/*
* Copyright (C) 2007, 2008, 2011 Apple 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_FONT_SELECTOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_FONT_SELECTOR_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/font_face_cache.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/platform/fonts/font_selector.h"
#include "third_party/blink/renderer/platform/fonts/generic_font_family_settings.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"
namespace blink {
class FontDescription;
class CORE_EXPORT CSSFontSelector : public FontSelector {
public:
static CSSFontSelector* Create(Document* document) {
return MakeGarbageCollected<CSSFontSelector>(document);
}
explicit CSSFontSelector(Document*);
~CSSFontSelector() override;
unsigned Version() const override { return font_face_cache_.Version(); }
void ReportNotDefGlyph() const override;
scoped_refptr<FontData> GetFontData(const FontDescription&,
const AtomicString&) override;
void WillUseFontData(const FontDescription&,
const AtomicString& family,
const String& text) override;
void WillUseRange(const FontDescription&,
const AtomicString& family_name,
const FontDataForRangeSet&) override;
bool IsPlatformFamilyMatchAvailable(const FontDescription&,
const AtomicString& family) override;
void FontFaceInvalidated() override;
// FontCacheClient implementation
void FontCacheInvalidated() override;
void RegisterForInvalidationCallbacks(FontSelectorClient*) override;
void UnregisterForInvalidationCallbacks(FontSelectorClient*) override;
ExecutionContext* GetExecutionContext() const override { return document_; }
FontFaceCache* GetFontFaceCache() override { return &font_face_cache_; }
const GenericFontFamilySettings& GetGenericFontFamilySettings() const {
return generic_font_family_settings_;
}
void UpdateGenericFontFamilySettings(Document&);
void Trace(blink::Visitor*) override;
protected:
void DispatchInvalidationCallbacks();
private:
// TODO(Oilpan): Ideally this should just be a traced Member but that will
// currently leak because ComputedStyle and its data are not on the heap.
// See crbug.com/383860 for details.
WeakMember<Document> document_;
// FIXME: Move to Document or StyleEngine.
FontFaceCache font_face_cache_;
HeapHashSet<WeakMember<FontSelectorClient>> clients_;
GenericFontFamilySettings generic_font_family_settings_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_FONT_SELECTOR_H_