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1 /* | 1 /* |
2 * Copyright (C) 2013 Google, Inc. | 2 * Copyright (C) 2013 Google, Inc. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #ifndef CSSCustomFontData_h | 21 #ifndef CSSCustomFontData_h |
22 #define CSSCustomFontData_h | 22 #define CSSCustomFontData_h |
23 | 23 |
24 #include "core/css/CSSFontFaceSource.h" | 24 #include "core/css/CSSFontFaceSource.h" |
25 #include "platform/fonts/CustomFontData.h" | 25 #include "platform/fonts/CustomFontData.h" |
26 | 26 |
27 namespace blink { | 27 namespace blink { |
28 | 28 |
29 class CSSCustomFontData FINAL : public CustomFontData { | 29 class CSSCustomFontData final : public CustomFontData { |
30 public: | 30 public: |
31 enum FallbackVisibility { InvisibleFallback, VisibleFallback }; | 31 enum FallbackVisibility { InvisibleFallback, VisibleFallback }; |
32 | 32 |
33 static PassRefPtr<CSSCustomFontData> create(RemoteFontFaceSource* source, Fa
llbackVisibility visibility) | 33 static PassRefPtr<CSSCustomFontData> create(RemoteFontFaceSource* source, Fa
llbackVisibility visibility) |
34 { | 34 { |
35 return adoptRef(new CSSCustomFontData(source, visibility)); | 35 return adoptRef(new CSSCustomFontData(source, visibility)); |
36 } | 36 } |
37 | 37 |
38 virtual ~CSSCustomFontData() { } | 38 virtual ~CSSCustomFontData() { } |
39 | 39 |
40 virtual bool shouldSkipDrawing() const OVERRIDE | 40 virtual bool shouldSkipDrawing() const override |
41 { | 41 { |
42 if (m_fontFaceSource) | 42 if (m_fontFaceSource) |
43 m_fontFaceSource->paintRequested(); | 43 m_fontFaceSource->paintRequested(); |
44 return m_fallbackVisibility == InvisibleFallback && m_isLoading; | 44 return m_fallbackVisibility == InvisibleFallback && m_isLoading; |
45 } | 45 } |
46 | 46 |
47 virtual void beginLoadIfNeeded() const OVERRIDE | 47 virtual void beginLoadIfNeeded() const override |
48 { | 48 { |
49 if (!m_isLoading && m_fontFaceSource) { | 49 if (!m_isLoading && m_fontFaceSource) { |
50 m_isLoading = true; | 50 m_isLoading = true; |
51 m_fontFaceSource->beginLoadIfNeeded(); | 51 m_fontFaceSource->beginLoadIfNeeded(); |
52 } | 52 } |
53 } | 53 } |
54 | 54 |
55 virtual bool isLoading() const OVERRIDE { return m_isLoading; } | 55 virtual bool isLoading() const override { return m_isLoading; } |
56 virtual bool isLoadingFallback() const OVERRIDE { return true; } | 56 virtual bool isLoadingFallback() const override { return true; } |
57 virtual void clearFontFaceSource() OVERRIDE { m_fontFaceSource = 0; } | 57 virtual void clearFontFaceSource() override { m_fontFaceSource = 0; } |
58 | 58 |
59 private: | 59 private: |
60 CSSCustomFontData(RemoteFontFaceSource* source, FallbackVisibility visibilit
y) | 60 CSSCustomFontData(RemoteFontFaceSource* source, FallbackVisibility visibilit
y) |
61 : m_fontFaceSource(source) | 61 : m_fontFaceSource(source) |
62 , m_fallbackVisibility(visibility) | 62 , m_fallbackVisibility(visibility) |
63 , m_isLoading(false) | 63 , m_isLoading(false) |
64 { | 64 { |
65 if (source) | 65 if (source) |
66 m_isLoading = source->isLoading(); | 66 m_isLoading = source->isLoading(); |
67 } | 67 } |
68 | 68 |
69 RemoteFontFaceSource* m_fontFaceSource; | 69 RemoteFontFaceSource* m_fontFaceSource; |
70 FallbackVisibility m_fallbackVisibility; | 70 FallbackVisibility m_fallbackVisibility; |
71 mutable bool m_isLoading; | 71 mutable bool m_isLoading; |
72 }; | 72 }; |
73 | 73 |
74 } | 74 } |
75 | 75 |
76 #endif // CSSCustomFontData_h | 76 #endif // CSSCustomFontData_h |
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