Index: Source/core/platform/graphics/FontDataCache.h |
diff --git a/Source/core/platform/graphics/FontDataCache.h b/Source/core/platform/graphics/FontDataCache.h |
deleted file mode 100644 |
index a639ac2339411dc9706146dea36af6f28167bbd2..0000000000000000000000000000000000000000 |
--- a/Source/core/platform/graphics/FontDataCache.h |
+++ /dev/null |
@@ -1,99 +0,0 @@ |
-/* |
- * 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: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * 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. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
- * OWNER 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 FontDataCache_h |
-#define FontDataCache_h |
- |
-#include "core/platform/graphics/FontCache.h" |
-#include "core/platform/graphics/FontPlatformData.h" |
-#include "wtf/HashMap.h" |
-#include "wtf/ListHashSet.h" |
- |
-namespace WebCore { |
- |
-class SimpleFontData; |
- |
-struct FontDataCacheKeyHash { |
- static unsigned hash(const FontPlatformData& platformData) |
- { |
- return platformData.hash(); |
- } |
- |
- static bool equal(const FontPlatformData& a, const FontPlatformData& b) |
- { |
- return a == b; |
- } |
- |
- static const bool safeToCompareToEmptyOrDeleted = true; |
-}; |
- |
-struct FontDataCacheKeyTraits : WTF::GenericHashTraits<FontPlatformData> { |
- static const bool emptyValueIsZero = true; |
- static const bool needsDestruction = true; |
- static const FontPlatformData& emptyValue() |
- { |
- DEFINE_STATIC_LOCAL(FontPlatformData, key, (0.f, false, false)); |
- return key; |
- } |
- static void constructDeletedValue(FontPlatformData& slot) |
- { |
- new (NotNull, &slot) FontPlatformData(WTF::HashTableDeletedValue); |
- } |
- static bool isDeletedValue(const FontPlatformData& value) |
- { |
- return value.isHashTableDeletedValue(); |
- } |
-}; |
- |
-class FontDataCache { |
-public: |
- PassRefPtr<SimpleFontData> get(const FontPlatformData*, ShouldRetain = Retain); |
- bool contains(const FontPlatformData*) const; |
- void release(const SimpleFontData*); |
- |
- // This is used by FontVerticalDataCache to mark all items with vertical data |
- // that are currently in cache as "in cache", which is later used to sweep the FontVerticalDataCache. |
- void markAllVerticalData(); |
- |
- // Purges items in FontDataCache according to provided severity. |
- // Returns true if any removal of cache items actually occurred. |
- bool purge(PurgeSeverity); |
- |
-private: |
- bool purgeLeastRecentlyUsed(int count); |
- |
- typedef HashMap<FontPlatformData, pair<RefPtr<SimpleFontData>, unsigned>, FontDataCacheKeyHash, FontDataCacheKeyTraits> Cache; |
- Cache m_cache; |
- ListHashSet<RefPtr<SimpleFontData> > m_inactiveFontData; |
-}; |
- |
-} |
- |
-#endif |