pjs/mailnews/addrbook/public/nsIAbDirectoryQuery.idl

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 *   Created by: Paul Sandoz   <paul.sandoz@sun.com>
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#include "nsISupports.idl"
#include "nsISupportsArray.idl"
#include "nsIAbBooleanExpression.idl"

/**
 * The arguments for a query.
 *
 * Contains an expression for perform matches
 * and an array of properties which should be
 * returned if a match is found from the expression
 *
 */
[scriptable, uuid(41EC291E-1DD2-11B2-B583-C44757081F64)]
interface nsIAbDirectoryQueryArguments : nsISupports
{
    /**
     * Defines the boolean expression for
     * the matching of cards
     *
     */
    attribute nsISupports expression;

    /**
     * Defines if sub directories should be
     * queried 
     *
     */
    attribute boolean querySubDirectories;

    /**
     * The list of properties which should
     * be returned if a match occurs on a card
     *
     */
    void setReturnProperties (in unsigned long returnPropertiesSize,
        [array, size_is(returnPropertiesSize)]
        in string returnPropertiesArray);
    void getReturnProperties (out unsigned long returnPropertiesSize,
        [retval, array, size_is(returnPropertiesSize)]
        out string returnPropertiesArray);
};


[scriptable, uuid(3A6E0C0C-1DD2-11B2-B23D-EA3A8CCB333C)]
interface nsIAbDirectoryQueryPropertyValue : nsISupports
{
    /**
     * The property which should be matched
     *
     * For example 'primaryEmail' or 'homePhone'
     * for card properties.
     *
     * Two further properties are defined that 
     * do not exist as properties on a card.
     *
     * 'card:nsIAbCard' which represents the interface
     * of a card component
     *
     */
    readonly attribute string name;

    /**
     * The value of the property
     *
     */
    readonly attribute wstring value;
    
    /**
     * The value of the property
     * as an interface
     *
     * Only valid if the corresponding
     * property name is related to an
     * interface instead of a wstring
     *
     */
    readonly attribute nsISupports valueISupports;
};

[scriptable, uuid(42E600BA-1DD2-11B2-BC39-C363AC0C93E3)]
interface nsIAbDirectoryQueryResult : nsISupports
{
    /**
     * The context ID of the query
     *
     */
    readonly attribute long contextID;

    /**
     * The context of the query which
     * corresponds to the arguments that
     * define the query
     *
     */
    readonly attribute nsIAbDirectoryQueryArguments contextArgs;

    /**
     * List of defined query results
     *
     */
    const long queryResultMatch     = 0;
    const long queryResultComplete     = 1;
    const long queryResultStopped     = 2;
    const long queryResultError     = 3;

    /**
     * The type of result
     *
     * Identifies a query entry, the query has finished
     * or that an error has occured
     */
    readonly attribute long type;

    /**
     * The result of a singular match for a card
     *
     * Only valid when the attribute type is
     * of 'query match'
     *
     * nsISupportsArray<nsIAbDirectoryQueryPropertyValue>
     *        Multiple entries corresponding to card
     *        properties
     * nsISupportsArray<nsIAbCard>
     *        Only one entry makese sense
     * 
     */
    readonly attribute nsISupportsArray result;

    /**
     * result attribute defined explicitly as an
     * array of nsISupport interfaces
     *
     */
    void agetResult (out unsigned long aResultSize,
        [retval, array, size_is(aResultSize)]
        out nsISupports aResultArray);
};

[scriptable, uuid(4290E508-1DD2-11B2-AC3E-9597BBCB25D7)]
interface nsIAbDirectoryQueryResultListener : nsISupports
{
    /**
     * Called when a match is found. May be
     * called from a different thread to the
     * one that initiates the query
     *
     * @param result
     *        A individual result associated returned
     *        from a query
     */
    void onQueryItem (in nsIAbDirectoryQueryResult result);
};

[scriptable, uuid(4241C46E-1DD2-11B2-978D-A2FBD0A72AC2)]
interface nsIAbDirectoryQuery : nsISupports
{
    /**
     * Initiates a query on a directory and 
     * sub-directories for properties on cards
     *
     * @param arguments
     *        The properties and values to match
     *        Value could of type nsIAbDirectoryQueryMatchItem
     *        for matches other than ?contains?
     * @param listener
     *        The listener which will obtain individual
     *        query results
     * @param resultLimit
     *        Limits the results returned to a specifed
     *        maximum value
     * @return
     *        Unique number representing the context ID of
     *        the query
     *
     */
    long doQuery (in nsIAbDirectoryQueryArguments arguments,
        in nsIAbDirectoryQueryResultListener listener,
        in long resultLimit,
        in long timeOut);

    /**
     * Stops an existing query operation if
     * query operation is asynchronous
     *
     * The nsIAbDirectoryQueryResultListener will
     * be notified when query has stopped
     *
     * It is implementation specific if notification
     * synchronous or asynchronous
     *
     * @param contextID
     *        The unique number returned from
     *        the doQuery methods
     *
     */
    void stopQuery (in long contextID);
};