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Side by Side Diff: third_party/WebKit/Source/core/css/RemoteFontFaceSource.h

Issue 1773633003: [DO NOT COMMIT] Trace events for layout-based First Meaningful Paint detection (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 7 months ago
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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"
(...skipping 29 matching lines...) Expand all
40 40
41 void notifyFinished(Resource*) override; 41 void notifyFinished(Resource*) override;
42 void fontLoadShortLimitExceeded(FontResource*) override; 42 void fontLoadShortLimitExceeded(FontResource*) override;
43 void fontLoadLongLimitExceeded(FontResource*) override; 43 void fontLoadLongLimitExceeded(FontResource*) override;
44 String debugName() const override { return "RemoteFontFaceSource"; } 44 String debugName() const override { return "RemoteFontFaceSource"; }
45 45
46 // For UMA reporting 46 // For UMA reporting
47 bool hadBlankText() override { return m_histograms.hadBlankText(); } 47 bool hadBlankText() override { return m_histograms.hadBlankText(); }
48 void paintRequested() { m_histograms.fallbackFontPainted(m_period); } 48 void paintRequested() { m_histograms.fallbackFontPainted(m_period); }
49 49
50 bool isBlank() override { return m_period == BlockPeriod; }
51
50 DECLARE_VIRTUAL_TRACE(); 52 DECLARE_VIRTUAL_TRACE();
51 53
52 protected: 54 protected:
53 PassRefPtr<SimpleFontData> createFontData(const FontDescription&) override; 55 PassRefPtr<SimpleFontData> createFontData(const FontDescription&) override;
54 PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescripti on&); 56 PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescripti on&);
55 void pruneTable(); 57 void pruneTable();
56 58
57 private: 59 private:
58 class FontLoadHistograms { 60 class FontLoadHistograms {
59 DISALLOW_NEW(); 61 DISALLOW_NEW();
(...skipping 21 matching lines...) Expand all
81 Member<CSSFontSelector> m_fontSelector; 83 Member<CSSFontSelector> m_fontSelector;
82 const FontDisplay m_display; 84 const FontDisplay m_display;
83 DisplayPeriod m_period; 85 DisplayPeriod m_period;
84 FontLoadHistograms m_histograms; 86 FontLoadHistograms m_histograms;
85 bool m_isInterventionTriggered; 87 bool m_isInterventionTriggered;
86 }; 88 };
87 89
88 } // namespace blink 90 } // namespace blink
89 91
90 #endif 92 #endif
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