extensions/renderer/extensions_renderer_client.h

   1 // Copyright 2014 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_EXTENSIONS_RENDERER_CLIENT_H_
   6 #define EXTENSIONS_RENDERER_EXTENSIONS_RENDERER_CLIENT_H_
   7
   8 class ResourceBundleSourceMap;
   9
  10 namespace extensions {
  11
  12 // Interface to allow the extensions module to make render-process-specific
  13 // queries of the embedder. Should be Set() once in the render process.
  14 //
  15 // NOTE: Methods that do not require knowledge of renderer concepts should be
  16 // added in ExtensionsClient (extensions/common/extensions_client.h) even if
  17 // they are only used in the renderer process.
  18 class ExtensionsRendererClient {
  19  public:
  20   virtual ~ExtensionsRendererClient() {}
  21
  22   // Returns true if the current render process was launched incognito.
  23   virtual bool IsIncognitoProcess() const = 0;
  24
  25   // Returns the lowest isolated world ID available to extensions.
  26   // Must be greater than 0. See blink::WebFrame::executeScriptInIsolatedWorld
  27   // (third_party/WebKit/public/web/WebFrame.h) for additional context.
  28   virtual int GetLowestIsolatedWorldId() const = 0;
  29
  30   // Returns the single instance of |this|.
  31   static ExtensionsRendererClient* Get();
  32
  33   // Initialize the single instance.
  34   static void Set(ExtensionsRendererClient* client);
  35 };
  36
  37 }  // namespace extensions
  38
  39 #endif  // EXTENSIONS_RENDERER_EXTENSIONS_RENDERER_CLIENT_H_