Page Speed Optimization Libraries
1.7.30.4
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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 00018 00019 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_HELPER_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_HELPER_FILTER_H_ 00021 00022 #include "base/logging.h" 00023 #include "net/instaweb/rewriter/public/common_filter.h" 00024 #include "net/instaweb/util/public/basictypes.h" 00025 #include "net/instaweb/util/public/scoped_ptr.h" 00026 #include "net/instaweb/util/public/string.h" 00027 00028 namespace net_instaweb { 00029 00030 class HtmlElement; 00031 class RewriteDriver; 00032 class SplitHtmlConfig; 00033 class SplitHtmlState; 00034 00043 class SplitHtmlHelperFilter : public CommonFilter { 00044 public: 00045 explicit SplitHtmlHelperFilter(RewriteDriver* rewrite_driver); 00046 virtual ~SplitHtmlHelperFilter(); 00047 00048 virtual void DetermineEnabled(); 00049 00050 virtual void StartDocumentImpl(); 00051 virtual void EndDocument(); 00052 00053 virtual void StartElementImpl(HtmlElement* element); 00054 virtual void EndElementImpl(HtmlElement* element); 00055 00056 const HtmlElement* current_panel_element() const { 00057 return current_panel_element_; 00058 } 00059 00060 void set_current_panel_element(const HtmlElement* element) { 00061 DCHECK(element == NULL || current_panel_element_ == NULL); 00062 current_panel_element_ = element; 00063 } 00064 00065 virtual const char* Name() const { return "SplitHtmlHelperFilter"; } 00066 00067 private: 00069 void EndPanelInstance(); 00070 00072 void StartPanelInstance(HtmlElement* element, const GoogleString& panelid); 00073 00074 const SplitHtmlConfig* config_; 00075 00076 scoped_ptr<SplitHtmlState> state_; 00077 00080 const HtmlElement* current_panel_element_; 00081 00082 DISALLOW_COPY_AND_ASSIGN(SplitHtmlHelperFilter); 00083 }; 00084 00085 } 00086 00087 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_SPLIT_HTML_HELPER_FILTER_H_