Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 106 insertions, 0 deletions

diff --git a/Source/WebCore/css/CSSFontFace.h b/Source/WebCore/css/CSSFontFace.h
new file mode 100644
index 0000000..55e048c
--- /dev/null
+++ b/Source/WebCore/css/CSSFontFace.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2007, 2008 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 CSSFontFace_h
+#define CSSFontFace_h
+
+#include "FontTraitsMask.h"
+#include <wtf/HashSet.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+#include <wtf/unicode/Unicode.h>
+
+namespace WebCore {
+
+class CSSFontFaceSource;
+class CSSSegmentedFontFace;
+class FontDescription;
+class SimpleFontData;
+
+class CSSFontFace : public RefCounted<CSSFontFace> {
+public:
+    static PassRefPtr<CSSFontFace> create(FontTraitsMask traitsMask, bool isLocalFallback = false) { return adoptRef(new CSSFontFace(traitsMask, isLocalFallback)); }
+    ~CSSFontFace();
+
+    FontTraitsMask traitsMask() const { return m_traitsMask; }
+
+    struct UnicodeRange;
+
+    void addRange(UChar32 from, UChar32 to) { m_ranges.append(UnicodeRange(from, to)); }
+    const Vector<UnicodeRange>& ranges() const { return m_ranges; }
+
+    void addedToSegmentedFontFace(CSSSegmentedFontFace*);
+    void removedFromSegmentedFontFace(CSSSegmentedFontFace*);
+
+    bool isLoaded() const;
+    bool isValid() const;
+
+    bool isLocalFallback() const { return m_isLocalFallback; }
+
+    void addSource(CSSFontFaceSource*);
+
+    void fontLoaded(CSSFontFaceSource*);
+
+    SimpleFontData* getFontData(const FontDescription&, bool syntheticBold, bool syntheticItalic);
+
+    struct UnicodeRange {
+        UnicodeRange(UChar32 from, UChar32 to)
+            : m_from(from)
+            , m_to(to)
+        {
+        }
+
+        UChar32 from() const { return m_from; }
+        UChar32 to() const { return m_to; }
+
+    private:
+        UChar32 m_from;
+        UChar32 m_to;
+    };
+
+#if ENABLE(SVG_FONTS)
+    bool hasSVGFontFaceSource() const;
+#endif
+
+private:
+    CSSFontFace(FontTraitsMask traitsMask, bool isLocalFallback)
+        : m_traitsMask(traitsMask)
+        , m_activeSource(0)
+        , m_isLocalFallback(isLocalFallback)
+    {
+    }
+
+    FontTraitsMask m_traitsMask;
+    Vector<UnicodeRange> m_ranges;
+    HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;
+    Vector<CSSFontFaceSource*> m_sources;
+    CSSFontFaceSource* m_activeSource;
+    bool m_isLocalFallback;
+};
+
+}
+
+#endif