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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsMsgSearchCore.idl"

/**
 * describes a custom term added to a message search or filter
 */
[scriptable,uuid(925DB5AA-21AF-494c-8652-984BC7BAD13A)]
interface nsIMsgSearchCustomTerm : nsISupports
{
  /**
   * globally unique string to identify this search term.
   * recommended form: ExtensionName@example.com#TermName
   * Commas and quotes are not allowed, the id must not
   * parse to an integer, and names of standard search
   * attributes in SearchAttribEntryTable in nsMsgSearchTerm.cpp
   * are not allowed.
   */
  readonly attribute ACString id;

  /// name to display in term list. This should be localized. */
  readonly attribute AString name;

  /// Does this term need the message body?
  readonly attribute boolean needsBody;

  /**
   * Is this custom term enabled?
   *
   * @param scope          search scope (nsMsgSearchScope)
   * @param op             search operator (nsMsgSearchOp). If null, determine
   *                       if term is available for any operator.
   *
   * @return               true if enabled
   */
  boolean getEnabled(in nsMsgSearchScopeValue scope,
                     in nsMsgSearchOpValue op);

  /**
   * Is this custom term available?
   *
   * @param scope          search scope (nsMsgSearchScope)
   * @param op             search operator (nsMsgSearchOp). If null, determine
   *                       if term is available for any operator.
   *
   * @return               true if available
   */
  boolean getAvailable(in nsMsgSearchScopeValue scope,
                       in nsMsgSearchOpValue op);

  /**
   * List the valid operators for this term.
   *
   * @param scope          search scope (nsMsgSearchScope)
   * @param length         object to hold array length
   *
   * @return               array of operators
   */
  void getAvailableOperators(in nsMsgSearchScopeValue scope,
                             out unsigned long length,
                             [retval, array, size_is(length)]
                             out nsMsgSearchOpValue operators);

  /**
   * Apply the custom search term to a message
   *
   * @param msgHdr       header database reference representing the message
   * @param searchValue  user-set value to use in the search
   * @param searchOp     search operator (Contains, IsHigherThan, etc.)
   *
   * @return             true if the term matches the message, else false
   */

  boolean match(in nsIMsgDBHdr msgHdr,
                in AUTF8String searchValue,
                in nsMsgSearchOpValue searchOp);
};