Page Speed Optimization Libraries
1.7.30.2
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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 00021 00022 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_BEACON_FILTER_H_ 00023 #define NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_BEACON_FILTER_H_ 00024 00025 #include "net/instaweb/rewriter/public/common_filter.h" 00026 #include "net/instaweb/util/public/basictypes.h" 00027 00028 namespace net_instaweb { 00029 00030 class HtmlElement; 00031 class RewriteDriver; 00032 class Statistics; 00033 class Variable; 00034 00036 class SplitHtmlBeaconFilter : public CommonFilter { 00037 public: 00039 static const char kSplitHtmlBeaconAddedCount[]; 00040 00041 explicit SplitHtmlBeaconFilter(RewriteDriver* driver); 00042 virtual ~SplitHtmlBeaconFilter() {} 00043 00044 virtual void DetermineEnabled(); 00045 00046 static void InitStats(Statistics* statistics); 00047 00048 virtual void StartDocumentImpl() {} 00049 virtual void EndDocument(); 00050 virtual void StartElementImpl(HtmlElement* element) {} 00051 virtual void EndElementImpl(HtmlElement* element) {} 00052 virtual const char* Name() const { return "SplitHtmlBeacon"; } 00053 00058 static bool ShouldApply(RewriteDriver* driver); 00059 00060 private: 00061 Variable* split_html_beacon_added_count_; 00062 00063 DISALLOW_COPY_AND_ASSIGN(SplitHtmlBeaconFilter); 00064 }; 00065 00066 } 00067 00068 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_BEACON_FILTER_H_