Page Speed Optimization Libraries
1.2.24.1
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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_FLUSH_EARLY_INFO_FINDER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_FLUSH_EARLY_INFO_FINDER_H_ 00021 00022 #include "net/instaweb/util/public/basictypes.h" 00023 00024 namespace net_instaweb { 00025 00026 class FlushEarlyRenderInfo; 00027 class RewriteDriver; 00028 00032 class FlushEarlyInfoFinder { 00033 public: 00034 static const char kFlushEarlyRenderPropertyName[]; 00035 00036 FlushEarlyInfoFinder() {} 00037 virtual ~FlushEarlyInfoFinder(); 00038 00043 virtual bool IsMeaningful() const { 00044 return false; 00045 } 00046 00048 virtual void UpdateFlushEarlyInfoInDriver(RewriteDriver* driver); 00049 00051 virtual void ComputeFlushEarlyInfo(RewriteDriver* driver); 00052 00056 virtual const char* GetCharset(const RewriteDriver* driver); 00057 00058 virtual const char* GetCohort() const = 0; 00059 00060 protected: 00061 void UpdateFlushEarlyInfoCacheEntry( 00062 RewriteDriver* driver, 00063 FlushEarlyRenderInfo* flush_early_render_info); 00064 00065 private: 00066 DISALLOW_COPY_AND_ASSIGN(FlushEarlyInfoFinder); 00067 }; 00068 00069 } 00070 00071 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_FLUSH_EARLY_INFO_FINDER_H_