Page Speed Optimization Libraries
1.4.26.1
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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_REDIRECT_ON_SIZE_LIMIT_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_REDIRECT_ON_SIZE_LIMIT_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 00032 class RedirectOnSizeLimitFilter : public CommonFilter { 00033 public: 00034 explicit RedirectOnSizeLimitFilter(RewriteDriver* rewrite_driver); 00035 virtual ~RedirectOnSizeLimitFilter(); 00036 00037 virtual void StartDocumentImpl(); 00038 virtual void StartElementImpl(HtmlElement* element); 00039 virtual void EndElementImpl(HtmlElement* element); 00040 00041 virtual const char* Name() const { return "RedirectOnSizeLimit"; } 00042 00043 private: 00044 void InsertScriptIfNeeded(HtmlElement* element, bool is_start); 00045 00046 bool redirect_inserted_; 00047 00048 DISALLOW_COPY_AND_ASSIGN(RedirectOnSizeLimitFilter); 00049 }; 00050 00051 } 00052 00053 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_REDIRECT_ON_SIZE_LIMIT_FILTER_H_