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      1 // Copyright (c) 2013 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 CHROME_COMMON_EXTENSIONS_WEB_ACCESSIBLE_RESOURCES_HANDLER_H_
      6 #define CHROME_COMMON_EXTENSIONS_WEB_ACCESSIBLE_RESOURCES_HANDLER_H_
      7 
      8 #include <string>
      9 
     10 #include "chrome/common/extensions/extension.h"
     11 #include "chrome/common/extensions/manifest_handler.h"
     12 
     13 namespace extensions {
     14 
     15 // A structure to hold the web accessible extension resources
     16 // that may be specified in the manifest of an extension using
     17 // "web_accessible_resources" key.
     18 struct WebAccessibleResourcesInfo : public Extension::ManifestData {
     19   // Define out of line constructor/destructor to please Clang.
     20   WebAccessibleResourcesInfo();
     21   virtual ~WebAccessibleResourcesInfo();
     22 
     23   // Returns true if the specified resource is web accessible.
     24   static bool IsResourceWebAccessible(const Extension* extension,
     25                                       const std::string& relative_path);
     26 
     27   // Returns true when 'web_accessible_resources' are defined for the extension.
     28   static bool HasWebAccessibleResources(const Extension* extension);
     29 
     30   // Optional list of web accessible extension resources.
     31   URLPatternSet web_accessible_resources_;
     32 };
     33 
     34 // Parses the "web_accessible_resources" manifest key.
     35 class WebAccessibleResourcesHandler : public ManifestHandler {
     36  public:
     37   WebAccessibleResourcesHandler();
     38   virtual ~WebAccessibleResourcesHandler();
     39 
     40   virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
     41 
     42  private:
     43   virtual const std::vector<std::string> Keys() const OVERRIDE;
     44 
     45   DISALLOW_COPY_AND_ASSIGN(WebAccessibleResourcesHandler);
     46 };
     47 
     48 }  // namespace extensions
     49 
     50 #endif  // CHROME_COMMON_EXTENSIONS_WEB_ACCESSIBLE_RESOURCES_HANDLER_H_
     51