// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SHELL_APPLICATION_MANAGER_NATIVE_RUNNER_H_
#define SHELL_APPLICATION_MANAGER_NATIVE_RUNNER_H_

#include "base/callback_forward.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/interfaces/application/application.mojom.h"

namespace base {
class FilePath;
}

namespace mojo {
namespace shell {

// ApplicationManager requires implementations of NativeRunner and
// NativeRunnerFactory to run native applications.
class NativeRunner {
 public:
  // Parameter for |Start()| to specify its cleanup behavior.
  enum CleanupBehavior { DeleteAppPath, DontDeleteAppPath };

  virtual ~NativeRunner() {}

  // Loads the app in the file at |app_path| and runs it on some other
  // thread/process. If |cleanup_behavior| is |true|, takes ownership of the
  // file. |app_completed_callback| is posted (to the thread on which |Start()|
  // was called) after |MojoMain()| completes.
  // TODO(vtl): |app_path| and |cleanup_behavior| should probably be moved to
  // the factory's Create(). Rationale: The factory may need information from
  // the file to decide what kind of NativeRunner to make.
  virtual void Start(const base::FilePath& app_path,
                     CleanupBehavior cleanup_behavior,
                     InterfaceRequest<Application> application_request,
                     const base::Closure& app_completed_callback) = 0;
};

class NativeRunnerFactory {
 public:
  // Options for running the native app. (This will contain, e.g., information
  // about the sandbox profile, etc.)
  struct Options {
    // Constructs with default options.
    Options() : force_in_process(false) {}

    bool force_in_process;
  };

  virtual ~NativeRunnerFactory() {}
  virtual scoped_ptr<NativeRunner> Create(const Options& options) = 0;
};

}  // namespace shell
}  // namespace mojo

#endif  // SHELL_APPLICATION_MANAGER_NATIVE_RUNNER_H_