Moterm part 5: Add moterm itself.

mojo/services/terminal/public/interfaces/terminal.mojom

+// 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.
+
+module mojo.terminal;
+
+import "files/public/interfaces/file.mojom";
+import "files/public/interfaces/types.mojom";
+import "terminal/public/interfaces/terminal_client.mojom";
+
+// Interface for actual terminal programs, in particular, for a single terminal
+// display. For terminals that display output and are embeddable, this will
+// typically be a service provided by the |ViewManagerClient| (see |OnEmbed()|).
+interface Terminal {
+  // Connects to the terminal. If |force| is true, it will terminate any
+  // existing connection. The reply is sent when |terminal| is no longer
+  // connected. It is not successful only on "synchronous"/immediate failure,
+  // e.g., if something else is already connected (|force| is false).
+  Connect(mojo.files.File& terminal_file, bool force)
+      => (mojo.files.Error error);
+
+  // Asks the terminal to connect to the given client. (|force| and response as
+  // are for |Connect()|.)
+  ConnectToClient(TerminalClient terminal_client, bool force)
+      => (mojo.files.Error error);
+
+  // Gets the size of terminal (in number of rows/columns of text). (|rows| and
+  // |columns| are valid only on success.)
+  GetSize() => (mojo.files.Error error, uint32 rows, uint32 columns);
+
+  // Sets the size of terminal (in number of rows/columns of text); 0 for
+  // rows or columns means to compute that automatically. If |reset| is true, it
+  // will reset (clear) the terminal. Note that it may not set exactly the
+  // requested size. (On success, the response will provide the actual set
+  // size.)
+  SetSize(uint32 rows, uint32 columns, bool reset)
+      => (mojo.files.Error error, uint32 rows, uint32 columns);
+};