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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef Hyphenation_h | 5 #ifndef Hyphenation_h |
6 #define Hyphenation_h | 6 #define Hyphenation_h |
7 | 7 |
8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
9 #include "wtf/Forward.h" | 9 #include "platform/wtf/Forward.h" |
10 #include "wtf/HashMap.h" | 10 #include "platform/wtf/HashMap.h" |
11 #include "wtf/RefCounted.h" | 11 #include "platform/wtf/RefCounted.h" |
12 #include "wtf/text/AtomicStringHash.h" | 12 #include "platform/wtf/text/AtomicStringHash.h" |
13 #include "wtf/text/StringHash.h" | 13 #include "platform/wtf/text/StringHash.h" |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 class Font; | 17 class Font; |
18 | 18 |
19 class PLATFORM_EXPORT Hyphenation : public RefCounted<Hyphenation> { | 19 class PLATFORM_EXPORT Hyphenation : public RefCounted<Hyphenation> { |
20 public: | 20 public: |
21 virtual ~Hyphenation() {} | 21 virtual ~Hyphenation() {} |
22 | 22 |
23 virtual size_t lastHyphenLocation(const StringView&, | 23 virtual size_t lastHyphenLocation(const StringView&, |
24 size_t beforeIndex) const = 0; | 24 size_t beforeIndex) const = 0; |
25 virtual Vector<size_t, 8> hyphenLocations(const StringView&) const; | 25 virtual Vector<size_t, 8> hyphenLocations(const StringView&) const; |
26 | 26 |
27 static const unsigned minimumPrefixLength = 2; | 27 static const unsigned minimumPrefixLength = 2; |
28 static const unsigned minimumSuffixLength = 2; | 28 static const unsigned minimumSuffixLength = 2; |
29 static int minimumPrefixWidth(const Font&); | 29 static int minimumPrefixWidth(const Font&); |
30 | 30 |
31 private: | 31 private: |
32 friend class LayoutLocale; | 32 friend class LayoutLocale; |
33 static PassRefPtr<Hyphenation> platformGetHyphenation( | 33 static PassRefPtr<Hyphenation> platformGetHyphenation( |
34 const AtomicString& locale); | 34 const AtomicString& locale); |
35 }; | 35 }; |
36 | 36 |
37 } // namespace blink | 37 } // namespace blink |
38 | 38 |
39 #endif // Hyphenation_h | 39 #endif // Hyphenation_h |
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