Page Speed Optimization Libraries  1.2.24.1
net/instaweb/rewriter/public/blink_critical_line_data_finder.h
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00001 /*
00002  * Copyright 2012 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_BLINK_CRITICAL_LINE_DATA_FINDER_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_BLINK_CRITICAL_LINE_DATA_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 BlinkCriticalLineData;
00029 class PropertyPage;
00030 class ResponseHeaders;
00031 class RewriteDriver;
00032 
00036 class BlinkCriticalLineDataFinder {
00037  public:
00038   static const char kBlinkCohort[];
00039   BlinkCriticalLineDataFinder();
00040   virtual ~BlinkCriticalLineDataFinder();
00041 
00043   virtual BlinkCriticalLineData* ExtractBlinkCriticalLineData(
00044       int64 cache_time_ms, PropertyPage* page, int64 now_ms, bool diff_enabled,
00045       bool propagate_cache_deletes);
00046 
00048   virtual void ComputeBlinkCriticalLineData(
00049       const GoogleString& computed_hash,
00050       const GoogleString& computed_hash_smart_diff,
00051       const StringPiece html_content,
00052       const ResponseHeaders* response_headers,
00053       RewriteDriver* driver);
00054 
00055   virtual void PropagateCacheDeletes(const GoogleString& key);
00056 
00057  private:
00058   DISALLOW_COPY_AND_ASSIGN(BlinkCriticalLineDataFinder);
00059 };
00060 
00061 }  
00062 
00063 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_BLINK_CRITICAL_LINE_DATA_FINDER_H_
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