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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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70 // object. The incoming key may be temporary. So, for cache storage, take | 70 // object. The incoming key may be temporary. So, for cache storage, take |
71 // the address of the newly created FontPlatformData that is copied an owned | 71 // the address of the newly created FontPlatformData that is copied an owned |
72 // by SimpleFontData. | 72 // by SimpleFontData. |
73 cache_.Set(&new_value.first->PlatformData(), new_value); | 73 cache_.Set(&new_value.first->PlatformData(), new_value); |
74 if (should_retain == kDoNotRetain) | 74 if (should_retain == kDoNotRetain) |
75 inactive_font_data_.insert(new_value.first); | 75 inactive_font_data_.insert(new_value.first); |
76 return new_value.first.Release(); | 76 return new_value.first.Release(); |
77 } | 77 } |
78 | 78 |
79 if (!result.Get()->value.second) { | 79 if (!result.Get()->value.second) { |
80 ASSERT(inactive_font_data_.Contains(result.Get()->value.first)); | 80 DCHECK(inactive_font_data_.Contains(result.Get()->value.first)); |
81 inactive_font_data_.erase(result.Get()->value.first); | 81 inactive_font_data_.erase(result.Get()->value.first); |
82 } | 82 } |
83 | 83 |
84 if (should_retain == kRetain) { | 84 if (should_retain == kRetain) { |
85 result.Get()->value.second++; | 85 result.Get()->value.second++; |
86 } else if (!result.Get()->value.second) { | 86 } else if (!result.Get()->value.second) { |
87 // If shouldRetain is DoNotRetain and count is 0, we want to remove the | 87 // If shouldRetain is DoNotRetain and count is 0, we want to remove the |
88 // fontData from m_inactiveFontData (above) and re-add here to update LRU | 88 // fontData from m_inactiveFontData (above) and re-add here to update LRU |
89 // position. | 89 // position. |
90 inactive_font_data_.insert(result.Get()->value.first); | 90 inactive_font_data_.insert(result.Get()->value.first); |
91 } | 91 } |
92 | 92 |
93 return result.Get()->value.first; | 93 return result.Get()->value.first; |
94 } | 94 } |
95 | 95 |
96 bool FontDataCache::Contains(const FontPlatformData* font_platform_data) const { | 96 bool FontDataCache::Contains(const FontPlatformData* font_platform_data) const { |
97 return cache_.Contains(font_platform_data); | 97 return cache_.Contains(font_platform_data); |
98 } | 98 } |
99 | 99 |
100 void FontDataCache::Release(const SimpleFontData* font_data) { | 100 void FontDataCache::Release(const SimpleFontData* font_data) { |
101 ASSERT(!font_data->IsCustomFont()); | 101 DCHECK(!font_data->IsCustomFont()); |
102 | 102 |
103 Cache::iterator it = cache_.Find(&(font_data->PlatformData())); | 103 Cache::iterator it = cache_.Find(&(font_data->PlatformData())); |
104 ASSERT(it != cache_.end()); | 104 DCHECK_NE(it, cache_.end()); |
105 if (it == cache_.end()) | 105 if (it == cache_.end()) |
106 return; | 106 return; |
107 | 107 |
108 ASSERT(it->value.second); | 108 DCHECK(it->value.second); |
109 if (!--it->value.second) | 109 if (!--it->value.second) |
110 inactive_font_data_.insert(it->value.first); | 110 inactive_font_data_.insert(it->value.first); |
111 } | 111 } |
112 | 112 |
113 void FontDataCache::MarkAllVerticalData() { | 113 void FontDataCache::MarkAllVerticalData() { |
114 Cache::iterator end = cache_.end(); | 114 Cache::iterator end = cache_.end(); |
115 for (Cache::iterator font_data = cache_.begin(); font_data != end; | 115 for (Cache::iterator font_data = cache_.begin(); font_data != end; |
116 ++font_data) { | 116 ++font_data) { |
117 OpenTypeVerticalData* vertical_data = const_cast<OpenTypeVerticalData*>( | 117 OpenTypeVerticalData* vertical_data = const_cast<OpenTypeVerticalData*>( |
118 font_data->value.first->VerticalData()); | 118 font_data->value.first->VerticalData()); |
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164 bool did_work = font_data_to_delete.size(); | 164 bool did_work = font_data_to_delete.size(); |
165 | 165 |
166 font_data_to_delete.Clear(); | 166 font_data_to_delete.Clear(); |
167 | 167 |
168 is_purging = false; | 168 is_purging = false; |
169 | 169 |
170 return did_work; | 170 return did_work; |
171 } | 171 } |
172 | 172 |
173 } // namespace blink | 173 } // namespace blink |
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