Page Speed Optimization Libraries
1.7.30.2
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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 #include "net/instaweb/util/public/property_cache.h" 00024 00025 namespace net_instaweb { 00026 00027 class FlushEarlyRenderInfo; 00028 class RewriteDriver; 00029 00033 class FlushEarlyInfoFinder { 00034 public: 00035 static const char kFlushEarlyRenderPropertyName[]; 00036 00037 explicit FlushEarlyInfoFinder(const PropertyCache::Cohort* cohort); 00038 virtual ~FlushEarlyInfoFinder(); 00039 00044 virtual bool IsMeaningful(const RewriteDriver* driver) const { 00045 return false; 00046 } 00047 00049 virtual void UpdateFlushEarlyInfoInDriver(RewriteDriver* driver); 00050 00052 virtual void ComputeFlushEarlyInfo(RewriteDriver* driver); 00053 00057 virtual const char* GetCharset(const RewriteDriver* driver); 00058 00059 protected: 00060 void UpdateFlushEarlyInfoCacheEntry( 00061 RewriteDriver* driver, 00062 FlushEarlyRenderInfo* flush_early_render_info); 00063 00064 private: 00065 const PropertyCache::Cohort* cohort_; 00066 DISALLOW_COPY_AND_ASSIGN(FlushEarlyInfoFinder); 00067 }; 00068 00069 } 00070 00071 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_FLUSH_EARLY_INFO_FINDER_H_