chrome/common/extensions/chrome_extensions_client.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 CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_
   6 #define CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/lazy_instance.h"
  11 #include "chrome/common/extensions/permissions/chrome_api_permissions.h"
  12 #include "chrome/common/extensions/permissions/chrome_permission_message_provider.h"
  13 #include "extensions/common/extensions_client.h"
  14 #include "extensions/common/permissions/extensions_api_permissions.h"
  15
  16 namespace extensions {
  17
  18 // The implementation of ExtensionsClient for Chrome, which encapsulates the
  19 // global knowledge of features, permissions, and manifest fields.
  20 class ChromeExtensionsClient : public ExtensionsClient {
  21  public:
  22   ChromeExtensionsClient();
  23   ~ChromeExtensionsClient() override;
  24
  25   void Initialize() override;
  26
  27   const PermissionMessageProvider& GetPermissionMessageProvider()
  28       const override;
  29   const std::string GetProductName() override;
  30   scoped_ptr<FeatureProvider> CreateFeatureProvider(
  31       const std::string& name) const override;
  32   scoped_ptr<JSONFeatureProviderSource> CreateFeatureProviderSource(
  33       const std::string& name) const override;
  34   void FilterHostPermissions(
  35       const URLPatternSet& hosts,
  36       URLPatternSet* new_hosts,
  37       std::set<PermissionMessage>* messages) const override;
  38   void FilterHostPermissions(const URLPatternSet& hosts,
  39                              URLPatternSet* new_hosts,
  40                              PermissionIDSet* permissions) const override;
  41   void SetScriptingWhitelist(const ScriptingWhitelist& whitelist) override;
  42   const ScriptingWhitelist& GetScriptingWhitelist() const override;
  43   URLPatternSet GetPermittedChromeSchemeHosts(
  44       const Extension* extension,
  45       const APIPermissionSet& api_permissions) const override;
  46   bool IsScriptableURL(const GURL& url, std::string* error) const override;
  47   bool IsAPISchemaGenerated(const std::string& name) const override;
  48   base::StringPiece GetAPISchema(const std::string& name) const override;
  49   void RegisterAPISchemaResources(ExtensionAPI* api) const override;
  50   bool ShouldSuppressFatalErrors() const override;
  51   std::string GetWebstoreBaseURL() const override;
  52   std::string GetWebstoreUpdateURL() const override;
  53   bool IsBlacklistUpdateURL(const GURL& url) const override;
  54   std::set<base::FilePath> GetBrowserImagePaths(
  55       const Extension* extension) override;
  56
  57   // Get the LazyInstance for ChromeExtensionsClient.
  58   static ChromeExtensionsClient* GetInstance();
  59
  60  private:
  61   const ChromeAPIPermissions chrome_api_permissions_;
  62   const ExtensionsAPIPermissions extensions_api_permissions_;
  63   const ChromePermissionMessageProvider permission_message_provider_;
  64
  65   // A whitelist of extensions that can script anywhere. Do not add to this
  66   // list (except in tests) without consulting the Extensions team first.
  67   // Note: Component extensions have this right implicitly and do not need to be
  68   // added to this list.
  69   ScriptingWhitelist scripting_whitelist_;
  70
  71   friend struct base::DefaultLazyInstanceTraits<ChromeExtensionsClient>;
  72
  73   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionsClient);
  74 };
  75
  76 }  // namespace extensions
  77
  78 #endif  // CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_