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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "sky/engine/core/css/FontLoader.h" | |
| 6 | |
| 7 #include "sky/engine/core/css/CSSFontSelector.h" | |
| 8 #include "sky/engine/core/fetch/FontResource.h" | |
| 9 #include "sky/engine/core/fetch/ResourceFetcher.h" | |
| 10 | |
| 11 namespace blink { | |
| 12 | |
| 13 FontLoader::FontLoader(CSSFontSelector* fontSelector, ResourceFetcher* resourceF
etcher) | |
| 14 : m_beginLoadingTimer(this, &FontLoader::beginLoadTimerFired) | |
| 15 , m_fontSelector(fontSelector) | |
| 16 , m_resourceFetcher(resourceFetcher) | |
| 17 { | |
| 18 } | |
| 19 | |
| 20 FontLoader::~FontLoader() | |
| 21 { | |
| 22 #if ENABLE(OILPAN) | |
| 23 if (!m_resourceFetcher) { | |
| 24 ASSERT(m_fontsToBeginLoading.isEmpty()); | |
| 25 return; | |
| 26 } | |
| 27 m_beginLoadingTimer.stop(); | |
| 28 // This will decrement the request counts on the ResourceFetcher for all the | |
| 29 // fonts that were pending at the time the FontLoader dies. | |
| 30 clearPendingFonts(); | |
| 31 #endif | |
| 32 } | |
| 33 | |
| 34 void FontLoader::addFontToBeginLoading(FontResource* fontResource) | |
| 35 { | |
| 36 if (!m_resourceFetcher || !fontResource->stillNeedsLoad() || fontResource->l
oadScheduled()) | |
| 37 return; | |
| 38 | |
| 39 m_fontsToBeginLoading.append( | |
| 40 std::make_pair(fontResource, ResourceLoader::RequestCountTracker(m_resou
rceFetcher, fontResource))); | |
| 41 fontResource->didScheduleLoad(); | |
| 42 if (!m_beginLoadingTimer.isActive()) | |
| 43 m_beginLoadingTimer.startOneShot(0, FROM_HERE); | |
| 44 } | |
| 45 | |
| 46 void FontLoader::beginLoadTimerFired(Timer<blink::FontLoader>*) | |
| 47 { | |
| 48 loadPendingFonts(); | |
| 49 } | |
| 50 | |
| 51 void FontLoader::loadPendingFonts() | |
| 52 { | |
| 53 ASSERT(m_resourceFetcher); | |
| 54 | |
| 55 FontsToLoadVector fontsToBeginLoading; | |
| 56 fontsToBeginLoading.swap(m_fontsToBeginLoading); | |
| 57 for (FontsToLoadVector::iterator it = fontsToBeginLoading.begin(); it != fon
tsToBeginLoading.end(); ++it) { | |
| 58 FontResource* fontResource = it->first.get(); | |
| 59 fontResource->beginLoadIfNeeded(m_resourceFetcher); | |
| 60 } | |
| 61 | |
| 62 // When the local fontsToBeginLoading vector goes out of scope it will | |
| 63 // decrement the request counts on the ResourceFetcher for all the fonts | |
| 64 // that were just loaded. | |
| 65 } | |
| 66 | |
| 67 void FontLoader::fontFaceInvalidated() | |
| 68 { | |
| 69 if (m_fontSelector) | |
| 70 m_fontSelector->fontFaceInvalidated(); | |
| 71 } | |
| 72 | |
| 73 #if !ENABLE(OILPAN) | |
| 74 void FontLoader::clearResourceFetcherAndFontSelector() | |
| 75 { | |
| 76 if (!m_resourceFetcher) { | |
| 77 ASSERT(m_fontsToBeginLoading.isEmpty()); | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 m_beginLoadingTimer.stop(); | |
| 82 clearPendingFonts(); | |
| 83 m_resourceFetcher = nullptr; | |
| 84 m_fontSelector = nullptr; | |
| 85 } | |
| 86 #endif | |
| 87 | |
| 88 void FontLoader::clearPendingFonts() | |
| 89 { | |
| 90 for (FontsToLoadVector::iterator it = m_fontsToBeginLoading.begin(); it != m
_fontsToBeginLoading.end(); ++it) | |
| 91 it->first->didUnscheduleLoad(); | |
| 92 m_fontsToBeginLoading.clear(); | |
| 93 } | |
| 94 | |
| 95 } // namespace blink | |
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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