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| 1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2015 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 #include "core/layout/HitTestCache.h" | 5 #include "core/layout/HitTestCache.h" |
| 6 | 6 |
| 7 #include "platform/Histogram.h" | 7 #include "platform/Histogram.h" |
| 8 #include "public/platform/Platform.h" | 8 #include "public/platform/Platform.h" |
| 9 | 9 |
| 10 namespace blink { | 10 namespace blink { |
| (...skipping 29 matching lines...) Expand all Loading... |
| 40 return result; | 40 return result; |
| 41 } | 41 } |
| 42 | 42 |
| 43 void HitTestCache::addCachedResult(const HitTestResult& result, | 43 void HitTestCache::addCachedResult(const HitTestResult& result, |
| 44 uint64_t domTreeVersion) { | 44 uint64_t domTreeVersion) { |
| 45 if (!result.isCacheable()) | 45 if (!result.isCacheable()) |
| 46 return; | 46 return; |
| 47 | 47 |
| 48 // If the result was a hit test on an LayoutPart and the request allowed | 48 // If the result was a hit test on an LayoutPart and the request allowed |
| 49 // querying of the layout part; then the part hasn't been loaded yet. | 49 // querying of the layout part; then the part hasn't been loaded yet. |
| 50 if (result.isOverWidget() && | 50 if (result.isOverFrameViewBase() && |
| 51 result.hitTestRequest().allowsChildFrameContent()) | 51 result.hitTestRequest().allowsChildFrameContent()) |
| 52 return; | 52 return; |
| 53 | 53 |
| 54 // For now don't support rect based or list based requests. | 54 // For now don't support rect based or list based requests. |
| 55 if (result.hitTestLocation().isRectBasedTest() || | 55 if (result.hitTestLocation().isRectBasedTest() || |
| 56 result.hitTestRequest().listBased()) | 56 result.hitTestRequest().listBased()) |
| 57 return; | 57 return; |
| 58 if (domTreeVersion != m_domTreeVersion) | 58 if (domTreeVersion != m_domTreeVersion) |
| 59 clear(); | 59 clear(); |
| 60 if (m_items.size() < HIT_TEST_CACHE_SIZE) | 60 if (m_items.size() < HIT_TEST_CACHE_SIZE) |
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| 71 void HitTestCache::clear() { | 71 void HitTestCache::clear() { |
| 72 m_updateIndex = 0; | 72 m_updateIndex = 0; |
| 73 m_items.clear(); | 73 m_items.clear(); |
| 74 } | 74 } |
| 75 | 75 |
| 76 DEFINE_TRACE(HitTestCache) { | 76 DEFINE_TRACE(HitTestCache) { |
| 77 visitor->trace(m_items); | 77 visitor->trace(m_items); |
| 78 } | 78 } |
| 79 | 79 |
| 80 } // namespace blink | 80 } // namespace blink |
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