mojo/shell/app_child_process_host.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 SHELL_APP_CHILD_PROCESS_HOST_H_
   6 #define SHELL_APP_CHILD_PROCESS_HOST_H_
   7
   8 #include <stdint.h>
   9
  10 #include "base/macros.h"
  11 #include "mojo/edk/embedder/channel_info_forward.h"
  12 #include "mojo/shell/app_child_process.mojom.h"
  13 #include "mojo/shell/child_process_host.h"
  14
  15 namespace mojo {
  16 namespace shell {
  17
  18 // A subclass of |ChildProcessHost| to host an app child process, which runs a
  19 // single app (loaded from the file system).
  20 //
  21 // Note: After |Start()|, |StartApp| must be called and this object must
  22 // remained alive until the |on_app_complete| callback is called.
  23 class AppChildProcessHost : public ChildProcessHost {
  24  public:
  25   explicit AppChildProcessHost(Context* context);
  26   ~AppChildProcessHost() override;
  27
  28   // See |AppChildController|:
  29   void StartApp(const String& app_path,
  30                 bool clean_app_path,
  31                 InterfaceRequest<Application> application_request,
  32                 const AppChildController::StartAppCallback& on_app_complete);
  33   void ExitNow(int32_t exit_code);
  34
  35   // |ChildProcessHost| methods:
  36   void WillStart() override;
  37   void DidStart(bool success) override;
  38
  39  private:
  40   // Callback for |embedder::CreateChannel()|.
  41   void DidCreateChannel(embedder::ChannelInfo* channel_info);
  42
  43   void AppCompleted(int32_t result);
  44
  45   AppChildControllerPtr controller_;
  46   embedder::ChannelInfo* channel_info_;
  47   AppChildController::StartAppCallback on_app_complete_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(AppChildProcessHost);
  50 };
  51
  52 }  // namespace shell
  53 }  // namespace mojo
  54
  55 #endif  // SHELL_APP_CHILD_PROCESS_HOST_H_