extensions/common/manifest_handlers/requirements_info.h

   1 // Copyright 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 EXTENSIONS_COMMON_MANIFEST_HANDLERS_REQUIREMENTS_INFO_H_
   6 #define EXTENSIONS_COMMON_MANIFEST_HANDLERS_REQUIREMENTS_INFO_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "extensions/common/extension.h"
  12 #include "extensions/common/manifest.h"
  13 #include "extensions/common/manifest_handler.h"
  14
  15 namespace extensions {
  16
  17 // Declared requirements for the extension.
  18 struct RequirementsInfo : public Extension::ManifestData {
  19   explicit RequirementsInfo(const Manifest* manifest);
  20   virtual ~RequirementsInfo();
  21
  22   bool webgl;
  23   bool css3d;
  24   bool npapi;
  25
  26   static const RequirementsInfo& GetRequirements(const Extension* extension);
  27 };
  28
  29 // Parses the "requirements" manifest key.
  30 class RequirementsHandler : public ManifestHandler {
  31  public:
  32   RequirementsHandler();
  33   virtual ~RequirementsHandler();
  34
  35   virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
  36
  37   virtual bool AlwaysParseForType(Manifest::Type type) const OVERRIDE;
  38
  39   virtual const std::vector<std::string> PrerequisiteKeys() const OVERRIDE;
  40
  41  private:
  42   virtual const std::vector<std::string> Keys() const OVERRIDE;
  43
  44   DISALLOW_COPY_AND_ASSIGN(RequirementsHandler);
  45 };
  46
  47 }  // namespace extensions
  48
  49 #endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_REQUIREMENTS_INFO_H_