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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 RemoteFontFaceSource_h | 5 #ifndef RemoteFontFaceSource_h |
6 #define RemoteFontFaceSource_h | 6 #define RemoteFontFaceSource_h |
7 | 7 |
8 #include "core/css/CSSFontFaceSource.h" | 8 #include "core/css/CSSFontFaceSource.h" |
9 #include "core/fetch/FontResource.h" | 9 #include "core/fetch/FontResource.h" |
10 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 class CSSFontSelector; | 14 class CSSFontSelector; |
15 | 15 |
16 enum FontDisplay { | 16 enum FontDisplay { |
17 FontDisplayAuto, | 17 FontDisplayAuto, |
18 FontDisplayBlock, | 18 FontDisplayBlock, |
19 FontDisplaySwap, | 19 FontDisplaySwap, |
20 FontDisplayFallback, | 20 FontDisplayFallback, |
21 FontDisplayOptional, | 21 FontDisplayOptional, |
22 FontDisplayEnumMax | 22 FontDisplayEnumMax |
23 }; | 23 }; |
24 | 24 |
25 class RemoteFontFaceSource final : public CSSFontFaceSource, public FontResource
Client { | 25 class RemoteFontFaceSource final : public CSSFontFaceSource, public FontResource
Client { |
26 USING_PRE_FINALIZER(RemoteFontFaceSource, dispose); | 26 USING_PRE_FINALIZER(RemoteFontFaceSource, dispose); |
27 USING_GARBAGE_COLLECTED_MIXIN(RemoteFontFaceSource); | 27 USING_GARBAGE_COLLECTED_MIXIN(RemoteFontFaceSource); |
28 public: | 28 public: |
29 enum DisplayPeriod { BlockPeriod, SwapPeriod, FailurePeriod }; | 29 enum DisplayPeriod { BlockPeriod, SwapPeriod, FailurePeriod }; |
| 30 enum DataSource { FromUnknown, FromDataURL, FromMemoryCache, FromDiskCache,
FromNetwork }; |
30 | 31 |
31 explicit RemoteFontFaceSource(FontResource*, CSSFontSelector*, FontDisplay); | 32 explicit RemoteFontFaceSource(FontResource*, CSSFontSelector*, FontDisplay); |
32 ~RemoteFontFaceSource() override; | 33 ~RemoteFontFaceSource() override; |
33 void dispose(); | 34 void dispose(); |
34 | 35 |
35 bool isLoading() const override; | 36 bool isLoading() const override; |
36 bool isLoaded() const override; | 37 bool isLoaded() const override; |
37 bool isValid() const override; | 38 bool isValid() const override; |
38 DisplayPeriod getDisplayPeriod() const { return m_period; } | 39 DisplayPeriod getDisplayPeriod() const { return m_period; } |
39 | 40 |
(...skipping 17 matching lines...) Expand all Loading... |
57 PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescripti
on&); | 58 PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescripti
on&); |
58 void pruneTable(); | 59 void pruneTable(); |
59 | 60 |
60 private: | 61 private: |
61 class FontLoadHistograms { | 62 class FontLoadHistograms { |
62 DISALLOW_NEW(); | 63 DISALLOW_NEW(); |
63 public: | 64 public: |
64 FontLoadHistograms() : m_loadStartTime(0), m_blankPaintTime(0), m_isLong
LimitExceeded(false) { } | 65 FontLoadHistograms() : m_loadStartTime(0), m_blankPaintTime(0), m_isLong
LimitExceeded(false) { } |
65 void loadStarted(); | 66 void loadStarted(); |
66 void fallbackFontPainted(DisplayPeriod); | 67 void fallbackFontPainted(DisplayPeriod); |
67 void fontLoaded(bool isInterventionTriggered, bool isLoadedFromNetwork); | 68 void fontLoaded(bool isInterventionTriggered, DataSource); |
68 void longLimitExceeded(bool isInterventionTriggered); | 69 void longLimitExceeded(bool isInterventionTriggered, DataSource); |
69 void recordFallbackTime(const FontResource*); | 70 void recordFallbackTime(const FontResource*); |
70 void recordRemoteFont(const FontResource*, bool isLoadedFromMemoryCache)
; | 71 void recordRemoteFont(const FontResource*, DataSource); |
71 bool hadBlankText() { return m_blankPaintTime; } | 72 bool hadBlankText() { return m_blankPaintTime; } |
72 private: | 73 private: |
73 void recordLoadTimeHistogram(const FontResource*, int duration); | 74 void recordLoadTimeHistogram(const FontResource*, int duration, DataSour
ce); |
74 void recordInterventionResult(bool isTriggered, bool isLoadedFromNetwork
); | 75 void recordInterventionResult(bool isTriggered, DataSource); |
75 double m_loadStartTime; | 76 double m_loadStartTime; |
76 double m_blankPaintTime; | 77 double m_blankPaintTime; |
77 bool m_isLongLimitExceeded; | 78 bool m_isLongLimitExceeded; |
78 }; | 79 }; |
79 | 80 |
80 void switchToSwapPeriod(); | 81 void switchToSwapPeriod(); |
81 void switchToFailurePeriod(); | 82 void switchToFailurePeriod(); |
82 | 83 |
83 Member<FontResource> m_font; | 84 Member<FontResource> m_font; |
84 Member<CSSFontSelector> m_fontSelector; | 85 Member<CSSFontSelector> m_fontSelector; |
85 const FontDisplay m_display; | 86 const FontDisplay m_display; |
86 DisplayPeriod m_period; | 87 DisplayPeriod m_period; |
87 FontLoadHistograms m_histograms; | 88 FontLoadHistograms m_histograms; |
88 bool m_isInterventionTriggered; | 89 bool m_isInterventionTriggered; |
89 bool m_isLoadedFromMemoryCache; | 90 DataSource m_dataSource; |
90 }; | 91 }; |
91 | 92 |
92 } // namespace blink | 93 } // namespace blink |
93 | 94 |
94 #endif | 95 #endif |
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