extensions/browser/mojo/keep_alive_impl.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_KEEP_ALIVE_IMPL_H_
   6 #define EXTENSIONS_BROWSER_MOJO_KEEP_ALIVE_IMPL_H_
   7
   8 #include "base/callback.h"
   9 #include "extensions/common/mojo/keep_alive.mojom.h"
  10 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
  11
  12 namespace content {
  13 class BrowserContext;
  14 }
  15
  16 namespace extensions {
  17 class Extension;
  18
  19 // An RAII mojo service implementation for extension keep alives. This adds a
  20 // keep alive on construction and removes it on destruction.
  21 class KeepAliveImpl : public mojo::InterfaceImpl<KeepAlive> {
  22  public:
  23   // Create a keep alive for |extension| running in |context| and connect it to
  24   // |request|. When the requester closes its pipe, the keep alive ends.
  25   static void Create(content::BrowserContext* context,
  26                      const Extension* extension,
  27                      mojo::InterfaceRequest<KeepAlive> request);
  28
  29  private:
  30   KeepAliveImpl(content::BrowserContext* context, const Extension* extension);
  31   ~KeepAliveImpl() override;
  32
  33   content::BrowserContext* context_;
  34   const Extension* extension_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(KeepAliveImpl);
  37 };
  38
  39 }  // namespace extensions
  40
  41 #endif  // EXTENSIONS_BROWSER_MOJO_KEEP_ALIVE_IMPL_H_