Page Speed Optimization Libraries
1.7.30.4
|
00001 /* 00002 * Copyright 2011 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_JS_DEFER_DISABLED_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_JS_DEFER_DISABLED_FILTER_H_ 00021 00022 #include "net/instaweb/rewriter/public/common_filter.h" 00023 #include "net/instaweb/util/public/basictypes.h" 00024 00025 namespace net_instaweb { 00026 00027 class HtmlElement; 00028 class RewriteDriver; 00029 class Statistics; 00030 00035 class JsDeferDisabledFilter : public CommonFilter { 00036 public: 00037 explicit JsDeferDisabledFilter(RewriteDriver* driver); 00038 virtual ~JsDeferDisabledFilter(); 00039 00040 virtual void DetermineEnabled(); 00041 virtual const char* Name() const { return "JsDeferDisabledFilter"; } 00042 00043 static void InitStats(Statistics* statistics); 00044 static void Terminate(); 00045 00048 static bool ShouldApply(RewriteDriver* driver); 00049 00050 private: 00051 virtual void EndDocument(); 00052 00053 virtual void StartDocumentImpl() {} 00054 virtual void StartElementImpl(HtmlElement* element) {} 00055 virtual void EndElementImpl(HtmlElement* element) {} 00056 00057 void InsertJsDeferCode(); 00058 00059 DISALLOW_COPY_AND_ASSIGN(JsDeferDisabledFilter); 00060 }; 00061 00062 } 00063 00064 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_JS_DEFER_DISABLED_FILTER_H_