mojo/public/cpp/application/application_runner.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 MOJO_PUBLIC_APPLICATION_APPLICATION_RUNNER_H_
   6 #define MOJO_PUBLIC_APPLICATION_APPLICATION_RUNNER_H_
   7
   8 #include "mojo/public/cpp/system/core.h"
   9
  10 namespace mojo {
  11
  12 class ApplicationDelegate;
  13
  14 // A utility for running an Application. The typical use case is to use
  15 // when writing your MojoMain:
  16 //
  17 //  MojoResult MojoMain(MojoHandle shell_handle) {
  18 //    mojo::ApplicationRunner runner(new MyApplicationDelegate());
  19 //    return runner.Run(shell_handle);
  20 //  }
  21 //
  22 // ApplicationRunner takes care of mojo environment initialization and
  23 // shutdown, and starting a RunLoop from which your application can run and
  24 // ultimately Quit().
  25 class ApplicationRunner {
  26  public:
  27   // Takes ownership of |delegate|.
  28   explicit ApplicationRunner(ApplicationDelegate* delegate);
  29   ~ApplicationRunner();
  30
  31   // Once the various parameters have been set above, use Run to initialize an
  32   // ApplicationImpl wired to the provided delegate, and run a RunLoop until
  33   // the application exits.
  34   MojoResult Run(MojoHandle shell_handle);
  35
  36  private:
  37   ApplicationDelegate* delegate_;
  38
  39   MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationRunner);
  40 };
  41
  42 }  // namespace mojo
  43
  44 #endif  // MOJO_PUBLIC_APPLICATION_APPLICATION_RUNNER_H_