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| 1 /* | |
| 2 * Copyright (C) 2013 Google, Inc. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 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 | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 * | |
| 19 */ | |
| 20 | |
| 21 #ifndef SKY_ENGINE_CORE_CSS_CSSCUSTOMFONTDATA_H_ | |
| 22 #define SKY_ENGINE_CORE_CSS_CSSCUSTOMFONTDATA_H_ | |
| 23 | |
| 24 #include "sky/engine/core/css/CSSFontFaceSource.h" | |
| 25 #include "sky/engine/platform/fonts/CustomFontData.h" | |
| 26 | |
| 27 namespace blink { | |
| 28 | |
| 29 class CSSCustomFontData final : public CustomFontData { | |
| 30 public: | |
| 31 enum FallbackVisibility { InvisibleFallback, VisibleFallback }; | |
| 32 | |
| 33 static PassRefPtr<CSSCustomFontData> create(RemoteFontFaceSource* source, Fa
llbackVisibility visibility) | |
| 34 { | |
| 35 return adoptRef(new CSSCustomFontData(source, visibility)); | |
| 36 } | |
| 37 | |
| 38 virtual ~CSSCustomFontData() { } | |
| 39 | |
| 40 virtual bool shouldSkipDrawing() const override | |
| 41 { | |
| 42 if (m_fontFaceSource) | |
| 43 m_fontFaceSource->paintRequested(); | |
| 44 return m_fallbackVisibility == InvisibleFallback && m_isLoading; | |
| 45 } | |
| 46 | |
| 47 virtual void beginLoadIfNeeded() const override | |
| 48 { | |
| 49 if (!m_isLoading && m_fontFaceSource) { | |
| 50 m_isLoading = true; | |
| 51 m_fontFaceSource->beginLoadIfNeeded(); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 virtual bool isLoading() const override { return m_isLoading; } | |
| 56 virtual bool isLoadingFallback() const override { return true; } | |
| 57 virtual void clearFontFaceSource() override { m_fontFaceSource = 0; } | |
| 58 | |
| 59 private: | |
| 60 CSSCustomFontData(RemoteFontFaceSource* source, FallbackVisibility visibilit
y) | |
| 61 : m_fontFaceSource(source) | |
| 62 , m_fallbackVisibility(visibility) | |
| 63 , m_isLoading(false) | |
| 64 { | |
| 65 if (source) | |
| 66 m_isLoading = source->isLoading(); | |
| 67 } | |
| 68 | |
| 69 RemoteFontFaceSource* m_fontFaceSource; | |
| 70 FallbackVisibility m_fallbackVisibility; | |
| 71 mutable bool m_isLoading; | |
| 72 }; | |
| 73 | |
| 74 } | |
| 75 | |
| 76 #endif // SKY_ENGINE_CORE_CSS_CSSCUSTOMFONTDATA_H_ | |
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Chromium Code Reviews
Issue 1223843003:
Remove support for loading remote font faces (Closed)
Base URL: git@github.com:domokit/mojo.git@master