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Filename : org.freedesktop.portal.FileChooser.xml
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<?xml version="1.0"?>
<!--
 Copyright (C) 2015 Red Hat, Inc.

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library. If not, see <http://www.gnu.org/licenses/>.

 Author: Alexander Larsson <alexl@redhat.com>
-->

<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
  <!--
      org.freedesktop.portal.FileChooser:
      @short_description: File chooser portal

      The FileChooser portal allows sandboxed applications to ask
      the user for access to files outside the sandbox. The portal
      backend will present the user with a file chooser dialog.

      The selected files will be made accessible to the application
      via the document portal, and the returned URI will point
      into the document portal fuse filesystem in /run/user/$UID/doc/.

      This documentation describes version 3 of this interface.
  -->
  <interface name="org.freedesktop.portal.FileChooser">
    <!--
      OpenFile:
      @parent_window: Identifier for the application window, see <link linkend="parent_window">Common Conventions</link>
      @title: Title for the file chooser dialog
      @options: Vardict with optional further information
      @handle: Object path for the #org.freedesktop.portal.Request object representing this call

      Asks to open one or more files.

      Supported keys in the @options vardict include:
      <variablelist>
        <varlistentry>
          <term>handle_token s</term>
          <listitem><para>
            A string that will be used as the last element of the @handle. Must be a valid
            object path element. See the #org.freedesktop.portal.Request documentation for
            more information about the @handle.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>accept_label s</term>
          <listitem><para>
            Label for the accept button. Mnemonic underlines are allowed.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>modal b</term>
          <listitem><para>
            Whether the dialog should be modal. Default is yes.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>multiple b</term>
          <listitem><para>
            Whether multiple files can be selected or not. Default is single-selection.
          </para></listitem>
       </varlistentry>
       <varlistentry>
          <term>directory b</term>
          <listitem><para>
            Whether to select for folders instead of files. Default is to select files. This option was added in version 3.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>filters a(sa(us))</term>
          <listitem>
            <para>
              List of serialized file filters.
            </para>
            <para>
              Each item in the array specifies a single filter to offer to the user.
              The first string is a user-visible name for the filter. The a(us)
              specifies a list of filter strings, which can be either a glob-style pattern
              (indicated by 0) or a mimetype (indicated by 1). Patterns are case-sensitive.
              To match different capitalizations of, e.g. '*.ico', use a pattern like
              '*.[iI][cC][oO]'.
            </para>
            <para>
              Example: [('Images', [(0, '*.ico'), (1, 'image/png')]), ('Text', [(0, '*.txt')])]
            </para>
            <para>
              Note that filters are purely there to aid the user in making a useful selection.
              The portal may still allow the user to select files that don't match any filter
              criteria, and applications must be prepared to handle that.
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>current_filter (sa(us))</term>
          <listitem><para>
            Request that this filter be set by default at dialog creation. If
            the filters list is nonempty, it should match a filter in the
            list to set the default filter from the list. Alternatively, it
            may be specified when the list is empty to apply the filter
            unconditionally.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ssa(ss)s)</term>
          <listitem>
            <para>
              List of serialized combo boxes to add to the file chooser.
            </para>
            <para>
              For each element, the first string is an ID that will be returned
              with the response, the second string is a user-visible label. The
              a(ss) is the list of choices, each being an ID and a
              user-visible label. The final string is the initial selection,
              or "", to let the portal decide which choice will be initially selected.
              None of the strings, except for the initial selection, should be empty.
            </para>
            <para>
              As a special case, passing an empty array for the list of choices
              indicates a boolean choice that is typically displayed as a check
              button, using "true" and "false" as the choices.
            </para>
            <para>
              Example: [('encoding', 'Encoding', [('utf8', 'Unicode (UTF-8)'), ('latin15', 'Western')], 'latin15'), ('reencode', 'Reencode', [], 'false')]
            </para>
          </listitem>
        </varlistentry>
      </variablelist>

      The following results get returned via the #org.freedesktop.portal.Request::Response signal:
      <variablelist>
        <varlistentry>
          <term>uris as</term>
          <listitem><para>
            An array of strings containing the uris of the selected files.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ss)</term>
          <listitem>
            <para>
              An array of pairs of strings, the first string being the ID of a
              combobox that was passed into this call, the second string being
              the selected option.
            </para>
            <para>
              Example: [('encoding', 'utf8'), ('reencode', 'true')]
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>current_filter (sa(us))</term>
          <listitem>
            <para>
              The filter that was selected. This may match a filter in the
              filter list or another filter that was applied unconditionally.
            </para>
          </listitem>
        </varlistentry>
      </variablelist>
    -->
    <method name="OpenFile">
      <arg type="s" name="parent_window" direction="in"/>
      <arg type="s" name="title" direction="in"/>
      <arg type="a{sv}" name="options" direction="in"/>
      <arg type="o" name="handle" direction="out"/>
    </method>
    <!--
      SaveFile:
      @parent_window: Identifier for the application window, see <link linkend="parent_window">Common Conventions</link>
      @title: Title for the file chooser dialog
      @options: Vardict with optional further information
      @handle: Object path for the #org.freedesktop.portal.Request object representing this call

      Asks for a location to save a file.

      Supported keys in the @options vardict include:
      <variablelist>
        <varlistentry>
          <term>handle_token s</term>
          <listitem><para>
            A string that will be used as the last element of the @handle. Must be a valid
            object path element. See the #org.freedesktop.portal.Request documentation for
            more information about the @handle.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>accept_label s</term>
          <listitem><para>
            Label for the accept button. Mnemonic underlines are allowed.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>modal b</term>
          <listitem><para>
            Whether the dialog should be modal. Default is yes.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>filters a(sa(us))</term>
          <listitem><para>
            List of serialized file filters.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>current_filter (sa(us))</term>
          <listitem><para>
            Request that this filter be set by default at dialog creation.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ssa(ss)s)</term>
          <listitem><para>
            List of serialized combo boxes.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>current_name s</term>
          <listitem><para>Suggested filename.</para></listitem>
        </varlistentry>
        <varlistentry>
          <term>current_folder ay</term>
          <listitem>
            <para>
              Suggested folder to save the file in. The byte array is expected to be null-terminated.
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>current_file ay</term>
          <listitem>
            <para>
              The current file (when saving an existing file). The byte array is expected to be null-terminated.
            </para>
          </listitem>
        </varlistentry>
      </variablelist>

      The following results get returned via the #org.freedesktop.portal.Request::Response signal:
      <variablelist>
        <varlistentry>
          <term>uris as</term>
          <listitem><para>
            An array of strings containing the uri of the selected file.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ss)</term>
          <listitem><para>
            An array of pairs of strings, corresponding to the passed-in choices.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>current_filter (sa(us))</term>
          <listitem>
            <para>
              The filter that was selected.
              See org.freedesktop.portal.FileChooser.OpenFile() for details.
            </para>
          </listitem>
        </varlistentry>
      </variablelist>
    -->
    <method name="SaveFile">
      <arg type="s" name="parent_window" direction="in"/>
      <arg type="s" name="title" direction="in"/>
      <arg type="a{sv}" name="options" direction="in"/>
      <arg type="o" name="handle" direction="out"/>
    </method>
    <!--
      SaveFiles:
      @parent_window: Identifier for the application window, see <link linkend="parent_window">Common Conventions</link>
      @title: Title for the file chooser dialog
      @options: Vardict with optional further information
      @handle: Object path for the #org.freedesktop.portal.Request object representing this call

      Asks for a folder as a location to save one or more files. The
      names of the files will be used as-is and appended to the
      selected folder's path in the list of returned files. If the
      selected folder already contains a file with one of the given
      names, the portal may prompt or take some other action to
      construct a unique file name and return that instead.

      Supported keys in the @options vardict include:
      <variablelist>
        <varlistentry>
          <term>handle_token s</term>
          <listitem><para>
            A string that will be used as the last element of the
            @handle. Must be a valid object path element. See the
            #org.freedesktop.portal.Request documentation for more
            information about the @handle.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>accept_label s</term>
          <listitem><para>
            Label for the accept button. Mnemonic underlines are allowed.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>modal b</term>
          <listitem><para>
            Whether the dialog should be modal. Default is yes.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ssa(ss)s)</term>
          <listitem><para>
            List of serialized combo boxes.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>current_folder ay</term>
          <listitem>
            <para>
              Suggested folder to save the files in. The byte array is
              expected to be null-terminated.
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
        <term>files aay</term>
          <listitem>
            <para>
              An array of file names to be saved. The byte arrays are
              expected to be null-terminated.
            </para>
          </listitem>
        </varlistentry>
      </variablelist>

      The following results get returned via the
      #org.freedesktop.portal.Request::Response signal:
      <variablelist>
        <varlistentry>
          <term>uris as</term>
          <listitem><para>
            An array of strings containing the uri corresponding to
            each file given by @options, in the same order. Note that
            the file names may have changed, for example if a file
            with the same name in the selected folder already exists.
          </para></listitem>
        </varlistentry>
        <varlistentry>
          <term>choices a(ss)</term>
          <listitem><para>
            An array of pairs of strings, corresponding to the passed-in choices.
            See org.freedesktop.portal.FileChooser.OpenFile() for details.
          </para></listitem>
        </varlistentry>
      </variablelist>
    -->
    <method name="SaveFiles">
      <arg type="s" name="parent_window" direction="in"/>
      <arg type="s" name="title" direction="in"/>
      <arg type="a{sv}" name="options" direction="in"/>
      <arg type="o" name="handle" direction="out"/>
    </method>
    <property name="version" type="u" access="read"/>
  </interface>
</node>