1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_STYLE_RESOLVER_STATS_H_ 32 #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_STYLE_RESOLVER_STATS_H_ 33 34 #include <memory> 35 36 #include "base/memory/ptr_util.h" 37 #include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h" 38 #include "third_party/blink/renderer/platform/instrumentation/tracing/traced_value.h" 39 40 namespace blink { 41 42 class StyleResolverStats { 43 USING_FAST_MALLOC(StyleResolverStats); 44 45 public: StyleResolverStats()46 StyleResolverStats() { Reset(); } 47 48 void Reset(); 49 std::unique_ptr<TracedValue> ToTracedValue() const; 50 51 unsigned matched_property_apply; 52 unsigned matched_property_cache_hit; 53 unsigned matched_property_cache_inherited_hit; 54 unsigned matched_property_cache_added; 55 unsigned rules_fast_rejected; 56 unsigned rules_rejected; 57 unsigned rules_matched; 58 unsigned styles_changed; 59 unsigned styles_unchanged; 60 unsigned styles_animated; 61 unsigned elements_styled; 62 unsigned pseudo_elements_styled; 63 unsigned base_styles_used; 64 unsigned independent_inherited_styles_propagated; 65 unsigned custom_properties_applied; 66 }; 67 68 #define INCREMENT_STYLE_STATS_COUNTER(styleEngine, counter, n) \ 69 ((styleEngine).Stats() && ((styleEngine).Stats()->counter += n)); 70 71 } // namespace blink 72 73 #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_STYLE_RESOLVER_STATS_H_ 74