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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="ivi_hmi_controller">

  <copyright>
    Copyright (C) 2013 DENSO CORPORATION
    Copyright (c) 2013 BMW Car IT GmbH

    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice (including the next
    paragraph) shall be included in all copies or substantial portions of the
    Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    DEALINGS IN THE SOFTWARE.
  </copyright>

  <interface name="ivi_hmi_controller" version="1">
    <description summary="set up and control IVI style UI"/>

    <request name="UI_ready">
      <description summary="inform the ready for drawing desktop." />
    </request>

    <request name="workspace_control">
      <description summary="start controlling a surface by server">
        Reference protocol to control a surface by server.
        To control a surface by server, it gives seat to the server
        to e.g. control Home screen. Home screen has several workspaces
        to group launchers of wayland application. These workspaces
        are drawn on a horizontally long surface to be controlled
        by motion of input device. E.g. A motion from right to left
        happens, the viewport of surface is controlled in the ivi-shell
        by using ivi-layout. client can recognizes the end of controlling
        by event "workspace_end_control".
      </description>
      <arg name="seat" type="object" interface="wl_seat"/>
      <arg name="serial" type="uint"/>
    </request>

    <enum name="layout_mode">
      <entry name="tiling" value="0"/>
      <entry name="side_by_side" value="1"/>
      <entry name="full_screen" value="2"/>
      <entry name="random" value="3" />
    </enum>

    <request name="switch_mode">
      <description summary="request mode switch of application layout">
        hmi-controller loaded to ivi-shall implements 4 types of layout
        as a reference; tiling, side by side, full_screen, and random.
      </description>
      <arg name="layout_mode" type="uint"/>
    </request>

    <enum name="home">
      <entry name="off" value="0"/>
      <entry name="on" value="1"/>
    </enum>

    <request name="home">
      <description summary="request displaying/undisplaying home screen">
        home screen is a reference implementation of launcher to launch
        wayland applications. The home screen has several workspaces to
        group wayland applications. By defining the following keys in
        weston.ini, user can add launcher icon to launch a wayland application
        to a workspace.
        [ivi-launcher]
        workspace-id=0
		: id of workspace to add a launcher
        icon-id=4001
		: ivi id of ivi_surface to draw an icon
        icon=/home/user/review/build-ivi-shell/data/icon_ivi_flower.png
		: path to icon image
        path=/home/user/review/build-ivi-shell/weston-dnd
		: path to wayland application
      </description>
      <arg name="home" type="uint"/>
    </request>

    <event name="workspace_end_control">
      <description summary="notify controlling workspace end"/>
      <arg name="is_controlled" type="int"/>
    </event>

  </interface>

</protocol>