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_MANIFEST_HANDLERS_REQUIREMENTS_HANDLER_H_ 6 #define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_REQUIREMENTS_HANDLER_H_ 7 8 #include <string> 9 10 #include "base/memory/scoped_ptr.h" 11 #include "chrome/common/extensions/extension.h" 12 #include "chrome/common/extensions/manifest.h" 13 #include "chrome/common/extensions/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 // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_REQUIREMENTS_HANDLER_H_ 50