Moved extension_api to src/extensions/common

chrome/common/extensions/api/extension_api.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 CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
-#define CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
-
-#include <map>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/singleton.h"
-#include "base/strings/string_piece.h"
-#include "base/values.h"
-#include "extensions/common/features/feature.h"
-#include "extensions/common/features/feature_provider.h"
-#include "extensions/common/url_pattern_set.h"
-
-namespace base {
-class DictionaryValue;
-class Value;
-}
-
-class GURL;
-
-namespace extensions {
-
-class Extension;
-class Feature;
-
-// C++ Wrapper for the JSON API definitions in chrome/common/extensions/api/.
-//
-// WARNING: This class is accessed on multiple threads in the browser process
-// (see ExtensionFunctionDispatcher). No state should be modified after
-// construction.
-class ExtensionAPI {
- public:
-  // Returns a single shared instance of this class. This is the typical use
-  // case in Chrome.
-  //
-  // TODO(aa): Make this const to enforce thread-safe usage.
-  static ExtensionAPI* GetSharedInstance();
-
-  // Creates a new instance configured the way ExtensionAPI typically is in
-  // Chrome. Use the default constructor to get a clean instance.
-  static ExtensionAPI* CreateWithDefaultConfiguration();
-
-  // Splits a name like "permission:bookmark" into ("permission", "bookmark").
-  // The first part refers to a type of feature, for example "manifest",
-  // "permission", or "api". The second part is the full name of the feature.
-  static void SplitDependencyName(const std::string& full_name,
-                                  std::string* feature_type,
-                                  std::string* feature_name);
-
-  // Creates a completely clean instance. Configure using RegisterSchema() and
-  // RegisterDependencyProvider before use.
-  ExtensionAPI();
-  virtual ~ExtensionAPI();
-
-  void RegisterSchemaResource(const std::string& api_name, int resource_id);
-
-  void RegisterDependencyProvider(const std::string& name,
-                                  FeatureProvider* provider);
-
-  // Returns true if the specified API is available. |api_full_name| can be
-  // either a namespace name (like "bookmarks") or a member name (like
-  // "bookmarks.create"). Returns true if the feature and all of its
-  // dependencies are available to the specified context.
-  Feature::Availability IsAvailable(const std::string& api_full_name,
-                                    const Extension* extension,
-                                    Feature::Context context,
-                                    const GURL& url);
-
-  // Determines whether an API, or any parts of that API, are available in
-  // |context|.
-  bool IsAnyFeatureAvailableToContext(const std::string& api_name,
-                                      const Extension* extension,
-                                      Feature::Context context,
-                                      const GURL& url);
-
-  // Returns true if |name| is a privileged API path. Privileged paths can only
-  // be called from extension code which is running in its own designated
-  // extension process. They cannot be called from extension code running in
-  // content scripts, or other low-privileged contexts.
-  bool IsPrivileged(const std::string& name);
-
-  // Gets the schema for the extension API with namespace |full_name|.
-  // Ownership remains with this object.
-  const base::DictionaryValue* GetSchema(const std::string& full_name);
-
-  // Splits a full name from the extension API into its API and child name
-  // parts. Some examples:
-  //
-  // "bookmarks.create" -> ("bookmarks", "create")
-  // "experimental.input.ui.cursorUp" -> ("experimental.input.ui", "cursorUp")
-  // "storage.sync.set" -> ("storage", "sync.get")
-  // "<unknown-api>.monkey" -> ("", "")
-  //
-  // The |child_name| parameter can be be NULL if you don't need that part.
-  std::string GetAPINameFromFullName(const std::string& full_name,
-                                     std::string* child_name);
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(ExtensionAPITest, DefaultConfigurationFeatures);
-  FRIEND_TEST_ALL_PREFIXES(ExtensionAPITest, TypesHaveNamespace);
-  friend struct DefaultSingletonTraits<ExtensionAPI>;
-
-  void InitDefaultConfiguration();
-
-  bool default_configuration_initialized_;
-
-  // Gets a feature from any dependency provider registered with ExtensionAPI.
-  // Returns NULL if the feature could not be found.
-  Feature* GetFeatureDependency(const std::string& dependency_name);
-
-  // Loads a schema.
-  void LoadSchema(const std::string& name, const base::StringPiece& schema);
-
-  // Map from each API that hasn't been loaded yet to the schema which defines
-  // it. Note that there may be multiple APIs per schema.
-  typedef std::map<std::string, int> UnloadedSchemaMap;
-  UnloadedSchemaMap unloaded_schemas_;
-
-  // Schemas for each namespace.
-  typedef std::map<std::string, linked_ptr<const base::DictionaryValue> >
-        SchemaMap;
-  SchemaMap schemas_;
-
-  // FeatureProviders used for resolving dependencies.
-  typedef std::map<std::string, FeatureProvider*> FeatureProviderMap;
-  FeatureProviderMap dependency_providers_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionAPI);
-};
-
-} // namespace extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_