1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_ 6 #define CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "base/callback.h" 13 #include "base/compiler_specific.h" 14 #include "base/values.h" 15 #include "content/browser/webui/url_data_manager.h" 16 #include "content/browser/webui/url_data_source_impl.h" 17 #include "content/common/content_export.h" 18 #include "content/public/browser/url_data_source.h" 19 #include "content/public/browser/web_ui_data_source.h" 20 21 namespace content { 22 23 // A data source that can help with implementing the common operations 24 // needed by the chrome WEBUI settings/history/downloads pages. 25 class CONTENT_EXPORT WebUIDataSourceImpl NON_EXPORTED_BASE(URLDataSourceImpl)26 : public NON_EXPORTED_BASE(URLDataSourceImpl), 27 public NON_EXPORTED_BASE(WebUIDataSource) { 28 public: 29 // WebUIDataSource implementation: 30 virtual void AddString(const std::string& name, 31 const base::string16& value) OVERRIDE; 32 virtual void AddString(const std::string& name, 33 const std::string& value) OVERRIDE; 34 virtual void AddLocalizedString(const std::string& name, int ids) OVERRIDE; 35 virtual void AddLocalizedStrings( 36 const base::DictionaryValue& localized_strings) OVERRIDE; 37 virtual void AddBoolean(const std::string& name, bool value) OVERRIDE; 38 virtual void SetJsonPath(const std::string& path) OVERRIDE; 39 virtual void SetUseJsonJSFormatV2() OVERRIDE; 40 virtual void AddResourcePath(const std::string &path, 41 int resource_id) OVERRIDE; 42 virtual void SetDefaultResource(int resource_id) OVERRIDE; 43 virtual void SetRequestFilter( 44 const WebUIDataSource::HandleRequestCallback& callback) OVERRIDE; 45 virtual void DisableReplaceExistingSource() OVERRIDE; 46 virtual void DisableContentSecurityPolicy() OVERRIDE; 47 virtual void OverrideContentSecurityPolicyObjectSrc( 48 const std::string& data) OVERRIDE; 49 virtual void OverrideContentSecurityPolicyFrameSrc( 50 const std::string& data) OVERRIDE; 51 virtual void DisableDenyXFrameOptions() OVERRIDE; 52 53 protected: 54 virtual ~WebUIDataSourceImpl(); 55 56 // Completes a request by sending our dictionary of localized strings. 57 void SendLocalizedStringsAsJSON( 58 const URLDataSource::GotDataCallback& callback); 59 60 // Completes a request by sending the file specified by |idr|. 61 void SendFromResourceBundle( 62 const URLDataSource::GotDataCallback& callback, int idr); 63 64 private: 65 class InternalDataSource; 66 friend class InternalDataSource; 67 friend class WebUIDataSource; 68 friend class WebUIDataSourceTest; 69 70 explicit WebUIDataSourceImpl(const std::string& source_name); 71 72 // Methods that match URLDataSource which are called by 73 // InternalDataSource. 74 std::string GetSource() const; 75 std::string GetMimeType(const std::string& path) const; 76 void StartDataRequest( 77 const std::string& path, 78 int render_process_id, 79 int render_frame_id, 80 const URLDataSource::GotDataCallback& callback); 81 82 void disable_set_font_strings_for_testing() { 83 disable_set_font_strings_ = true; 84 } 85 86 // The name of this source. 87 // E.g., for favicons, this could be "favicon", which results in paths for 88 // specific resources like "favicon/34" getting sent to this source. 89 std::string source_name_; 90 int default_resource_; 91 bool json_js_format_v2_; 92 std::string json_path_; 93 std::map<std::string, int> path_to_idr_map_; 94 base::DictionaryValue localized_strings_; 95 WebUIDataSource::HandleRequestCallback filter_callback_; 96 bool add_csp_; 97 bool object_src_set_; 98 std::string object_src_; 99 bool frame_src_set_; 100 std::string frame_src_; 101 bool deny_xframe_options_; 102 bool disable_set_font_strings_; 103 bool replace_existing_source_; 104 105 DISALLOW_COPY_AND_ASSIGN(WebUIDataSourceImpl); 106 }; 107 108 } // content 109 110 #endif // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_ 111