extensions/renderer/extension_injection_host.h

   1 // Copyright 2015 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_RENDERER_EXTENSION_INJECTION_HOST_H_
   6 #define EXTENSIONS_RENDERER_EXTENSION_INJECTION_HOST_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "extensions/common/extension.h"
  10 #include "extensions/renderer/injection_host.h"
  11
  12 namespace extensions {
  13 class ExtensionSet;
  14
  15 class ExtensionSet;
  16
  17 // A wrapper class that holds an extension and implements the InjectionHost
  18 // interface.
  19 class ExtensionInjectionHost : public InjectionHost {
  20  public:
  21   ExtensionInjectionHost(const Extension* extension);
  22   ~ExtensionInjectionHost() override;
  23
  24   // Create an ExtensionInjectionHost object. If the extension is gone, returns
  25   // a null scoped ptr.
  26   static scoped_ptr<const InjectionHost> Create(const std::string& extension_id,
  27                                                 const ExtensionSet* extensions);
  28
  29  private:
  30   // InjectionHost:
  31   std::string GetContentSecurityPolicy() const override;
  32   const GURL& url() const override;
  33   const std::string& name() const override;
  34   PermissionsData::AccessType CanExecuteOnFrame(
  35       const GURL& document_url,
  36       const GURL& top_frame_url,
  37       int tab_id,
  38       bool is_declarative) const override;
  39   bool ShouldNotifyBrowserOfInjection() const override;
  40
  41   const Extension* extension_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(ExtensionInjectionHost);
  44 };
  45
  46 }  // namespace extesions
  47
  48 #endif  // EXTENSIONS_RENDERER_EXTENSION_INJECTION_HOST_H_