/**
   * Creates new call to target <tt>destination</tt>.
   *
   * @param context the android context
   * @param destination the target callee name that will be used.
   */
  private static void createCall(Context context, String destination) {
    Iterator<ProtocolProviderService> allProviders =
        AccountUtils.getRegisteredProviders().iterator();

    if (!allProviders.hasNext()) {
      logger.error("No registered providers found");
      return;
    }

    createCall(context, destination, allProviders.next());
  }
  /**
   * Checks if there is a call in progress. If true then shows a warning toast and finishes the
   * activity.
   *
   * @param activity activity doing a check.
   * @return <tt>true</tt> if there is call in progress and <tt>Activity</tt> was finished.
   */
  public static boolean checkCallInProgress(Activity activity) {
    if (CallManager.getActiveCallsCount() > 0) {
      logger.warn("Call is in progress");

      Toast t =
          Toast.makeText(activity, R.string.service_gui_WARN_CALL_IN_PROGRESS, Toast.LENGTH_SHORT);
      t.show();

      activity.finish();
      return true;
    } else {
      return false;
    }
  }
  /**
   * Creates new call to given <tt>destination</tt> using selected <tt>provider</tt>.
   *
   * @param context the android context
   * @param destination target callee name.
   * @param provider the provider that will be used to make a call.
   */
  public static void createCall(
      final Context context, final String destination, final ProtocolProviderService provider) {
    if (createCallThread != null) {
      logger.warn("Another call is already being created");
      return;
    } else if (CallManager.getActiveCallsCount() > 0) {
      logger.warn("Another call is in progress");
      return;
    }

    final long dialogId =
        ProgressDialogFragment.showProgressDialog(
            JitsiApplication.getResString(R.string.service_gui_OUTGOING_CALL),
            JitsiApplication.getResString(R.string.service_gui_OUTGOING_CALL_MSG, destination));

    createCallThread =
        new Thread("Create call thread") {
          public void run() {
            try {
              CallManager.createCall(provider, destination);
            } catch (Throwable t) {
              logger.error("Error creating the call: " + t.getMessage(), t);
              AndroidUtils.showAlertDialog(
                  context, context.getString(R.string.service_gui_ERROR), t.getMessage());
            } finally {
              if (DialogActivity.waitForDialogOpened(dialogId)) {
                DialogActivity.closeDialog(JitsiApplication.getGlobalContext(), dialogId);
              } else {
                logger.error("Failed to wait for the dialog: " + dialogId);
              }
              createCallThread = null;
            }
          }
        };

    createCallThread.start();
  }
/**
 * @author Yana Stamcheva
 * @author Pawel Domas
 */
public class AndroidCallUtil {
  /** The logger for this class. */
  private static final Logger logger = Logger.getLogger(AndroidCallUtil.class);

  /** Field used to track the thread used to create outgoing calls. */
  private static Thread createCallThread;

  /**
   * Creates an android call.
   *
   * @param context the android context
   * @param callButtonView the button view that generated the call
   * @param contact the contact address to call
   */
  public static void createAndroidCall(Context context, View callButtonView, String contact) {
    if (AccountUtils.getRegisteredProviders().size() > 1)
      showCallViaMenu(context, callButtonView, contact);
    else createCall(context, contact);
  }

  /**
   * Creates new call to target <tt>destination</tt>.
   *
   * @param context the android context
   * @param destination the target callee name that will be used.
   */
  private static void createCall(Context context, String destination) {
    Iterator<ProtocolProviderService> allProviders =
        AccountUtils.getRegisteredProviders().iterator();

    if (!allProviders.hasNext()) {
      logger.error("No registered providers found");
      return;
    }

    createCall(context, destination, allProviders.next());
  }

  /**
   * Creates new call to given <tt>destination</tt> using selected <tt>provider</tt>.
   *
   * @param context the android context
   * @param destination target callee name.
   * @param provider the provider that will be used to make a call.
   */
  public static void createCall(
      final Context context, final String destination, final ProtocolProviderService provider) {
    if (createCallThread != null) {
      logger.warn("Another call is already being created");
      return;
    } else if (CallManager.getActiveCallsCount() > 0) {
      logger.warn("Another call is in progress");
      return;
    }

    final long dialogId =
        ProgressDialogFragment.showProgressDialog(
            JitsiApplication.getResString(R.string.service_gui_OUTGOING_CALL),
            JitsiApplication.getResString(R.string.service_gui_OUTGOING_CALL_MSG, destination));

    createCallThread =
        new Thread("Create call thread") {
          public void run() {
            try {
              CallManager.createCall(provider, destination);
            } catch (Throwable t) {
              logger.error("Error creating the call: " + t.getMessage(), t);
              AndroidUtils.showAlertDialog(
                  context, context.getString(R.string.service_gui_ERROR), t.getMessage());
            } finally {
              if (DialogActivity.waitForDialogOpened(dialogId)) {
                DialogActivity.closeDialog(JitsiApplication.getGlobalContext(), dialogId);
              } else {
                logger.error("Failed to wait for the dialog: " + dialogId);
              }
              createCallThread = null;
            }
          }
        };

    createCallThread.start();
  }

  /**
   * Shows "call via" menu allowing user to selected from multiple providers.
   *
   * @param context the android context
   * @param v the View that will contain the popup menu.
   * @param destination target callee name.
   */
  private static void showCallViaMenu(final Context context, View v, final String destination) {
    PopupMenu popup = new PopupMenu(context, v);

    Menu menu = popup.getMenu();

    Iterator<ProtocolProviderService> registeredProviders =
        AccountUtils.getRegisteredProviders().iterator();

    while (registeredProviders.hasNext()) {
      final ProtocolProviderService provider = registeredProviders.next();
      String accountAddress = provider.getAccountID().getAccountAddress();

      MenuItem menuItem = menu.add(Menu.NONE, Menu.NONE, Menu.NONE, accountAddress);

      menuItem.setOnMenuItemClickListener(
          new MenuItem.OnMenuItemClickListener() {
            public boolean onMenuItemClick(MenuItem item) {
              createCall(context, destination, provider);

              return false;
            }
          });
    }

    popup.show();
  }

  /**
   * Checks if there is a call in progress. If true then shows a warning toast and finishes the
   * activity.
   *
   * @param activity activity doing a check.
   * @return <tt>true</tt> if there is call in progress and <tt>Activity</tt> was finished.
   */
  public static boolean checkCallInProgress(Activity activity) {
    if (CallManager.getActiveCallsCount() > 0) {
      logger.warn("Call is in progress");

      Toast t =
          Toast.makeText(activity, R.string.service_gui_WARN_CALL_IN_PROGRESS, Toast.LENGTH_SHORT);
      t.show();

      activity.finish();
      return true;
    } else {
      return false;
    }
  }
}