Page Speed Optimization Libraries
1.4.26.1
|
00001 /* 00002 * Copyright 2013 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_SELECTOR_FINDER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_SELECTOR_FINDER_H_ 00021 00022 #include "net/instaweb/util/public/basictypes.h" 00023 #include "net/instaweb/util/public/string.h" 00024 #include "net/instaweb/util/public/string_util.h" 00025 00026 namespace net_instaweb { 00027 00028 class CriticalSelectorSet; 00029 class MessageHandler; 00030 class PropertyCache; 00031 class PropertyPage; 00032 class RewriteDriver; 00033 class Statistics; 00034 class TimedVariable; 00035 00038 class CriticalSelectorFinder { 00039 public: 00040 static const char kCriticalSelectorsValidCount[]; 00041 static const char kCriticalSelectorsExpiredCount[]; 00042 static const char kCriticalSelectorsNotFoundCount[]; 00043 static const char kCriticalSelectorsPropertyName[]; 00044 00045 CriticalSelectorFinder(StringPiece cohort, Statistics* stats); 00046 virtual ~CriticalSelectorFinder(); 00047 00048 static void InitStats(Statistics* statistics); 00049 00053 CriticalSelectorSet* DecodeCriticalSelectorsFromPropertyCache( 00054 RewriteDriver* driver); 00055 00059 void WriteCriticalSelectorsToPropertyCache( 00060 const StringSet& selector_set, RewriteDriver* driver); 00061 00062 void WriteCriticalSelectorsToPropertyCache( 00063 const StringSet& selector_set, const PropertyCache* cache, 00064 PropertyPage* page, MessageHandler* message_handler); 00065 00068 00069 private: 00070 GoogleString cohort_; 00071 00072 TimedVariable* critical_selectors_valid_count_; 00073 TimedVariable* critical_selectors_expired_count_; 00074 TimedVariable* critical_selectors_not_found_count_; 00075 00076 DISALLOW_COPY_AND_ASSIGN(CriticalSelectorFinder); 00077 }; 00078 00079 } 00080 00081 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_CRITICAL_SELECTOR_FINDER_H_