Separate mojo/shell into a runner and the application manager (shell)

mojo/shell/context.h

-// Copyright 2013 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_CONTEXT_H_
-#define SHELL_CONTEXT_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "mojo/edk/embedder/process_delegate.h"
-#include "mojo/shell/application_manager/application_manager.h"
-#include "mojo/shell/task_runners.h"
-#include "mojo/shell/url_resolver.h"
-
-namespace mojo {
-namespace shell {
-
-class NativeApplicationLoader;
-
-// The "global" context for the shell's main process.
-class Context : public ApplicationManager::Delegate,
-                public embedder::ProcessDelegate {
- public:
-  Context();
-  ~Context() override;
-
-  static void EnsureEmbedderIsInitialized();
-
-  // Point to the directory containing installed services, such as the network
-  // service. By default this directory is used as the base URL for resolving
-  // unknown mojo: URLs. The network service will be loaded from this directory,
-  // even when the base URL for unknown mojo: URLs is overridden.
-  void SetShellFileRoot(const base::FilePath& path);
-
-  // Resolve an URL relative to the shell file root. This is a nop for
-  // everything but relative file URLs or URLs without a scheme.
-  GURL ResolveShellFileURL(const std::string& path);
-
-  // Override the CWD, which is used for resolving file URLs passed in from the
-  // command line.
-  void SetCommandLineCWD(const base::FilePath& path);
-
-  // Resolve an URL relative to the CWD mojo_shell was invoked from. This is a
-  // nop for everything but relative file URLs or URLs without a scheme.
-  GURL ResolveCommandLineURL(const std::string& path);
-
-  // This must be called with a message loop set up for the current thread,
-  // which must remain alive until after Shutdown() is called. Returns true on
-  // success.
-  bool Init();
-
-  // If Init() was called and succeeded, this must be called before destruction.
-  void Shutdown();
-
-  void Run(const GURL& url);
-
-  TaskRunners* task_runners() { return task_runners_.get(); }
-  ApplicationManager* application_manager() { return &application_manager_; }
-  URLResolver* url_resolver() { return &url_resolver_; }
-
- private:
-  class NativeViewportApplicationLoader;
-
-  // ApplicationManager::Delegate overrides.
-  GURL ResolveMappings(const GURL& url) override;
-  GURL ResolveMojoURL(const GURL& url) override;
-
-  // ProcessDelegate implementation.
-  void OnShutdownComplete() override;
-
-  void OnApplicationEnd(const GURL& url);
-
-  std::set<GURL> app_urls_;
-  scoped_ptr<TaskRunners> task_runners_;
-  ApplicationManager application_manager_;
-  URLResolver url_resolver_;
-  GURL shell_file_root_;
-  GURL command_line_cwd_;
-
-  DISALLOW_COPY_AND_ASSIGN(Context);
-};
-
-}  // namespace shell
-}  // namespace mojo
-
-#endif  // SHELL_CONTEXT_H_