/* 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 "nsISupports.idl"

%{C++
#include "nsTArrayForwardDeclare.h"
class nsCString;
%}
[ref] native StringArrayRef(nsTArray<nsCString>);

interface nsIChannel;
interface nsIEventTarget;
interface nsIPrincipal;
interface nsIURI;

/**
 * Callback function for nsIURIClassifier lookups.
 */
[scriptable, function, uuid(8face46e-0c96-470f-af40-0037dcd797bd)]
interface nsIURIClassifierCallback : nsISupports
{
  /**
   * Called by the URI classifier service when it is done checking a URI.
   *
   * Clients are responsible for associating callback objects with classify()
   * calls.
   *
   * @param aErrorCode
   *        The error code with which the channel should be cancelled, or
   *        NS_OK if the load should continue normally.
   * @param aList
   *        Name of the list that matched
   * @param aProvider
   *        Name of provider that matched
   * @param aPrefix
   *        Hash prefix of URL that matched
   */
  void onClassifyComplete(in nsresult aErrorCode,
                          in ACString aList,
                          in ACString aProvider,
                          in ACString aPrefix);
};

/**
 * The URI classifier service checks a URI against lists of phishing
 * and malware sites.
 */
[scriptable, uuid(596620cc-76e3-4133-9d90-360e59a794cf)]
interface nsIURIClassifier : nsISupports
{
  /**
   * Classify a Principal using its URI.
   *
   * @param aPrincipal
   *        The principal that should be checked by the URI classifier.
   *
   * @param nsIEventTarget
   *        Event target for constructing actor in content process.
   *        The event target should be tied to Docgroup/Tabgroup by
   *        using EventTargetFor
   *
   * @param aTrackingProtectionEnabled
   *        Whether or not to classify the given URI against tracking
   *        protection lists
   *
   * @param aCallback
   *        The URI classifier will call this callback when the URI has been
   *        classified.
   *
   * @return <code>false</code> if classification is not necessary.  The
   *         callback will not be called.
   *         <code>true</code> if classification will be performed.  The
   *         callback will be called.
   */
  boolean classify(in nsIPrincipal aPrincipal,
                   in nsIEventTarget aEventTarget,
                   in boolean aTrackingProtectionEnabled,
                   in nsIURIClassifierCallback aCallback);

  /**
   * Synchronously classify a URI with a comma-separated string
   * containing the given tables. This does not make network requests.
   * The result is an array of table names that match.
   */
  [noscript] StringArrayRef classifyLocalWithTables(in nsIURI aURI, in ACString aTables);
  /**
   * Asynchronously classify a URI with a comma-separated string
   * containing the given tables. This does not make network requests.
   * The callback does NOT totally follow nsIURIClassifierCallback's
   * semantics described above. Only |aList| will be meaningful, which
   * is a comma separated list of table names. (same as what classifyLocal
   * returns.)
   */
  void asyncClassifyLocalWithTables(in nsIURI aURI,
                                    in ACString aTables,
                                    in nsIURIClassifierCallback aCallback);
  /**
   * Same as above, but returns a comma separated list of table names.
   * This is an internal interface used only for testing purposes.
   */
  ACString classifyLocal(in nsIURI aURI, in ACString aTables);
};