| /* |
| * 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 CSSFontFaceSource_h |
| #define CSSFontFaceSource_h |
| |
| #include "platform/heap/Handle.h" |
| #include "wtf/Allocator.h" |
| #include "wtf/HashMap.h" |
| |
| namespace blink { |
| |
| class FontResource; |
| class CSSFontFace; |
| class FontDescription; |
| class SimpleFontData; |
| |
| class CSSFontFaceSource : public NoBaseWillBeGarbageCollectedFinalized<CSSFontFaceSource> { |
| USING_FAST_MALLOC_WILL_BE_REMOVED(CSSFontFaceSource); |
| WTF_MAKE_NONCOPYABLE(CSSFontFaceSource); |
| public: |
| virtual ~CSSFontFaceSource(); |
| |
| virtual bool isLocal() const { return false; } |
| virtual bool isLoading() const { return false; } |
| virtual bool isLoaded() const { return true; } |
| virtual bool isValid() const { return true; } |
| |
| virtual FontResource* resource() { return nullptr; } |
| void setFontFace(CSSFontFace* face) { m_face = face; } |
| |
| PassRefPtr<SimpleFontData> getFontData(const FontDescription&); |
| |
| virtual bool isLocalFontAvailable(const FontDescription&) { return false; } |
| virtual void beginLoadIfNeeded() { } |
| |
| // For UMA reporting |
| virtual bool hadBlankText() { return false; } |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| CSSFontFaceSource(); |
| virtual PassRefPtr<SimpleFontData> createFontData(const FontDescription&) = 0; |
| |
| using FontDataTable = HashMap<unsigned, RefPtr<SimpleFontData>>; // The hash key is composed of size synthetic styles. |
| |
| RawPtrWillBeMember<CSSFontFace> m_face; // Our owning font face. |
| FontDataTable m_fontDataTable; |
| }; |
| |
| } |
| |
| #endif |