Clean up of url data manager classes in content: move URLDataSourceImpl to its own file, move all t…

content/browser/webui/web_ui_data_source.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
-#define CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
-
-#include <map>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "base/values.h"
-#include "content/browser/webui/url_data_manager.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/url_data_source.h"
-#include "content/public/browser/web_ui_data_source.h"
-
-namespace content {
-class WebUIDataSource;
-class WebUIDataSourceTest;
-}
-
-// A data source that can help with implementing the common operations
-// needed by the chrome WEBUI settings/history/downloads pages.
-class CONTENT_EXPORT ChromeWebUIDataSource
-    : public NON_EXPORTED_BASE(URLDataSourceImpl),
-      public NON_EXPORTED_BASE(content::WebUIDataSource) {
- public:
-  // content::WebUIDataSource implementation:
-  virtual void AddString(const std::string& name,
-                         const string16& value) OVERRIDE;
-  virtual void AddString(const std::string& name,
-                         const std::string& value) OVERRIDE;
-  virtual void AddLocalizedString(const std::string& name, int ids) OVERRIDE;
-  virtual void AddLocalizedStrings(
-      const DictionaryValue& localized_strings) OVERRIDE;
-  virtual void AddBoolean(const std::string& name, bool value) OVERRIDE;
-  virtual void SetJsonPath(const std::string& path) OVERRIDE;
-  virtual void SetUseJsonJSFormatV2() OVERRIDE;
-  virtual void AddResourcePath(const std::string &path,
-                               int resource_id) OVERRIDE;
-  virtual void SetDefaultResource(int resource_id) OVERRIDE;
-  virtual void SetRequestFilter(
-      const content::WebUIDataSource::HandleRequestCallback& callback) OVERRIDE;
-  virtual void DisableContentSecurityPolicy() OVERRIDE;
-  virtual void OverrideContentSecurityPolicyObjectSrc(
-      const std::string& data) OVERRIDE;
-  virtual void OverrideContentSecurityPolicyFrameSrc(
-      const std::string& data) OVERRIDE;
-  virtual void DisableDenyXFrameOptions() OVERRIDE;
-
- protected:
-  virtual ~ChromeWebUIDataSource();
-
-  // Completes a request by sending our dictionary of localized strings.
-  void SendLocalizedStringsAsJSON(
-      const content::URLDataSource::GotDataCallback& callback);
-
-  // Completes a request by sending the file specified by |idr|.
-  void SendFromResourceBundle(
-      const content::URLDataSource::GotDataCallback& callback, int idr);
-
- private:
-  class InternalDataSource;
-  friend class InternalDataSource;
-  friend class content::WebUIDataSource;
-  friend class content::WebUIDataSourceTest;
-
-  explicit ChromeWebUIDataSource(const std::string& source_name);
-
-  // Methods that match content::URLDataSource which are called by
-  // InternalDataSource.
-  std::string GetSource();
-  std::string GetMimeType(const std::string& path) const;
-  void StartDataRequest(
-      const std::string& path,
-      bool is_incognito,
-      const content::URLDataSource::GotDataCallback& callback);
-
-  void disable_set_font_strings_for_testing() {
-    disable_set_font_strings_ = true;
-  }
-
-  // The name of this source.
-  // E.g., for favicons, this could be "favicon", which results in paths for
-  // specific resources like "favicon/34" getting sent to this source.
-  std::string source_name_;
-  int default_resource_;
-  bool json_js_format_v2_;
-  std::string json_path_;
-  std::map<std::string, int> path_to_idr_map_;
-  DictionaryValue localized_strings_;
-  content::WebUIDataSource::HandleRequestCallback filter_callback_;
-  bool add_csp_;
-  bool object_src_set_;
-  std::string object_src_;
-  bool frame_src_set_;
-  std::string frame_src_;
-  bool deny_xframe_options_;
-  bool disable_set_font_strings_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeWebUIDataSource);
-};
-
-#endif  // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_