extensions/browser/mojo/stash_backend.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_BROWSER_MOJO_STASH_BACKEND_H_
   6 #define EXTENSIONS_BROWSER_MOJO_STASH_BACKEND_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/linked_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "extensions/common/mojo/stash.mojom.h"
  13 #include "mojo/public/cpp/bindings/interface_request.h"
  14
  15 namespace extensions {
  16
  17 // A backend that provides access to StashService for a single extension.
  18 class StashBackend {
  19  public:
  20   StashBackend();
  21   ~StashBackend();
  22
  23   // Creates a StashService that forwards calls to this StashBackend and bind it
  24   // to |request|.
  25   void BindToRequest(mojo::InterfaceRequest<StashService> request);
  26
  27   // Adds the StashedObjects contained within |stash| to the stash.
  28   void AddToStash(mojo::Array<StashedObjectPtr> stash);
  29
  30   // Returns all StashedObjects added to the stash since the last call to
  31   // RetrieveStash.
  32   mojo::Array<StashedObjectPtr> RetrieveStash();
  33
  34  private:
  35   // The objects that have been stashed.
  36   mojo::Array<StashedObjectPtr> stashed_objects_;
  37
  38   base::WeakPtrFactory<StashBackend> weak_factory_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(StashBackend);
  41 };
  42
  43 }  // namespace extensions
  44
  45 #endif  // EXTENSIONS_BROWSER_MOJO_STASH_BACKEND_H_