Page Speed Optimization Libraries
1.3.25.1
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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_INLINE_REWRITE_CONTEXT_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_INLINE_REWRITE_CONTEXT_H_ 00021 00022 #include "net/instaweb/htmlparse/public/html_element.h" 00023 #include "net/instaweb/rewriter/public/output_resource_kind.h" 00024 #include "net/instaweb/rewriter/public/resource.h" 00025 #include "net/instaweb/rewriter/public/server_context.h" 00026 #include "net/instaweb/rewriter/public/rewrite_context.h" 00027 #include "net/instaweb/util/public/basictypes.h" 00028 #include "net/instaweb/util/public/string_util.h" 00029 00030 namespace net_instaweb { 00031 00032 class CachedResult; 00033 class CommonFilter; 00034 class OutputPartitions; 00035 00038 class InlineRewriteContext : public RewriteContext { 00039 public: 00041 InlineRewriteContext(CommonFilter* filter, HtmlElement* element, 00042 HtmlElement::Attribute* src); 00043 virtual ~InlineRewriteContext(); 00044 00050 bool StartInlining(); 00051 00052 protected: 00054 virtual bool ShouldInline(const ResourcePtr& resource) const = 0; 00055 virtual void RenderInline(const ResourcePtr& resource, 00056 const StringPiece& text, 00057 HtmlElement* element) = 0; 00058 00059 00061 virtual bool Partition(OutputPartitions* partitions, 00062 OutputResourceVector* outputs); 00063 virtual void Rewrite(int partition_index, 00064 CachedResult* partition, 00065 const OutputResourcePtr& output); 00066 virtual void Render(); 00067 virtual OutputResourceKind kind() const; 00068 00069 HtmlElement* get_element() const { return element_; } 00070 00071 private: 00072 CommonFilter* filter_; 00073 HtmlElement* element_; 00074 HtmlElement::Attribute* src_; 00075 00076 DISALLOW_COPY_AND_ASSIGN(InlineRewriteContext); 00077 }; 00078 00079 } 00080 00081 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_INLINE_REWRITE_CONTEXT_H_