Move Shell connection to content

content/common/mojo/mojo_shell_connection_impl.h

+// 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 CONTENT_COMMON_MOJO_SHELL_CONNECTION_IMPL_H_
+#define CONTENT_COMMON_MOJO_SHELL_CONNECTION_IMPL_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/common/mojo_shell_connection.h"
+#include "mojo/application/public/cpp/application_delegate.h"
+
+namespace mojo {
+namespace runner {
+class RunnerConnection;
+}
+}
+
+namespace content {
+
+// Returns true if the Chrome browser process was launched from the external
+// Mojo shell.
+bool IsRunningInMojoShell();
+
+class MojoShellConnectionImpl : public MojoShellConnection,
+                                public mojo::ApplicationDelegate {
+ public:
+  // Creates an instance of this class and stuffs it in TLS on the calling
+  // thread. Retrieve it using MojoShellConnection::Get(). Blocks the calling
+  // thread until calling GetApplication() will return an Initialized()
+  // application with a bound ShellPtr.
+  static void Create();
+
+ private:
+  MojoShellConnectionImpl();
+  ~MojoShellConnectionImpl() override;
+
+  // mojo::ApplicationDelegate:
+  void Initialize(mojo::ApplicationImpl* application) override;
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override;
+
+  // MojoShellConnection:
+  mojo::ApplicationImpl* GetApplication() override;
+  void AddListener(Listener* listener) override;
+  void RemoveListener(Listener* listener) override;
+
+  // Blocks the calling thread until a connection to the spawning shell is
+  // established, an Application request from it is bound, and the Initialize()
+  // method on that application is called.
+  void WaitForShell();
+
+  bool initialized_;
+  scoped_ptr<mojo::runner::RunnerConnection> runner_connection_;
+  scoped_ptr<mojo::ApplicationImpl> application_impl_;
+  std::vector<Listener*> listeners_;
+
+  DISALLOW_COPY_AND_ASSIGN(MojoShellConnectionImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_MOJO_SHELL_CONNECTION_IMPL_H_