コード例 #1
0
  /**
   * When a provider is added. As searching can be slow especially when handling special type of
   * messages (with subType) this need to be run in new Thread.
   *
   * @param provider ProtocolProviderService
   */
  private void handleProviderAddedInSeparateThread(
      ProtocolProviderService provider, boolean isStatusChanged) {
    // lets check if we have cached recent messages for this provider, and
    // fire events if found and are newer

    synchronized (recentMessages) {
      List<ComparableEvtObj> cachedRecentMessages =
          getCachedRecentMessages(provider, isStatusChanged);

      if (cachedRecentMessages.isEmpty()) {
        // maybe there is no cached history for this
        // let's check
        // load it not from cache, but do a local search
        Collection<EventObject> res =
            messageHistoryService.findRecentMessagesPerContact(
                numberOfMessages, provider.getAccountID().getAccountUniqueID(), null, isSMSEnabled);

        List<ComparableEvtObj> newMsc = new ArrayList<ComparableEvtObj>();

        processEventObjects(res, newMsc, isStatusChanged);

        addNewRecentMessages(newMsc);

        for (ComparableEvtObj msc : newMsc) {
          saveRecentMessageToHistory(msc);
        }
      } else addNewRecentMessages(cachedRecentMessages);
    }
  }
コード例 #2
0
  /**
   * A provider has been removed.
   *
   * @param provider the ProtocolProviderService that has been unregistered.
   */
  void handleProviderRemoved(ProtocolProviderService provider) {
    // lets remove the recent messages for this provider, and update
    // with recent messages for the available providers
    synchronized (recentMessages) {
      if (provider != null) {
        List<ComparableEvtObj> removedItems = new ArrayList<ComparableEvtObj>();
        for (ComparableEvtObj msc : recentMessages) {
          if (msc.getProtocolProviderService().equals(provider)) removedItems.add(msc);
        }

        recentMessages.removeAll(removedItems);
        if (!recentMessages.isEmpty())
          oldestRecentMessage = recentMessages.get(recentMessages.size() - 1).getTimestamp();
        else oldestRecentMessage = null;

        if (recentQuery != null) {
          for (ComparableEvtObj msc : removedItems) {
            recentQuery.fireContactRemoved(msc);
          }
        }
      }

      // handleProviderRemoved can be invoked due to stopped
      // history service, if this is the case we do not want to
      // update messages
      if (!this.messageHistoryService.isHistoryLoggingEnabled()) return;

      // lets do the same as we enable provider
      // for all registered providers and finally fire events
      List<ComparableEvtObj> contactsToAdd = new ArrayList<ComparableEvtObj>();
      for (ProtocolProviderService pps : messageHistoryService.getCurrentlyAvailableProviders()) {
        contactsToAdd.addAll(getCachedRecentMessages(pps, true));
      }

      addNewRecentMessages(contactsToAdd);
    }
  }
コード例 #3
0
  /**
   * Add the ComparableEvtObj, newly added will fire new, for existing fire update and when trimming
   * the list to desired length fire remove for those that were removed
   *
   * @param contactsToAdd
   */
  private void addNewRecentMessages(List<ComparableEvtObj> contactsToAdd) {
    // now find object to fire new, and object to fire remove
    // let us find duplicates and fire update
    List<ComparableEvtObj> duplicates = new ArrayList<ComparableEvtObj>();
    for (ComparableEvtObj msgToAdd : contactsToAdd) {
      if (recentMessages.contains(msgToAdd)) {
        duplicates.add(msgToAdd);

        // save update
        updateRecentMessageToHistory(msgToAdd);
      }
    }
    recentMessages.removeAll(duplicates);

    // now contacts to add has no duplicates, add them all
    boolean changed = recentMessages.addAll(contactsToAdd);

    if (changed) {
      Collections.sort(recentMessages);

      if (recentQuery != null) {
        for (ComparableEvtObj obj : duplicates)
          recentQuery.updateContact(obj, obj.getEventObject());
      }
    }

    if (!recentMessages.isEmpty())
      oldestRecentMessage = recentMessages.get(recentMessages.size() - 1).getTimestamp();

    // trim
    List<ComparableEvtObj> removedItems = null;
    if (recentMessages.size() > numberOfMessages) {
      removedItems =
          new ArrayList<ComparableEvtObj>(
              recentMessages.subList(numberOfMessages, recentMessages.size()));

      recentMessages.removeAll(removedItems);
    }

    if (recentQuery != null) {
      // now fire, removed for all that were in the list
      // and now are removed after trim
      if (removedItems != null) {
        for (ComparableEvtObj msc : removedItems) {
          if (!contactsToAdd.contains(msc)) recentQuery.fireContactRemoved(msc);
        }
      }

      // fire new for all that were added, and not removed after trim
      for (ComparableEvtObj msc : contactsToAdd) {
        if ((removedItems == null || !removedItems.contains(msc)) && !duplicates.contains(msc)) {
          MessageSourceContact newSourceContact =
              new MessageSourceContact(msc.getEventObject(), MessageSourceService.this);
          newSourceContact.initDetails(msc.getEventObject());

          recentQuery.addQueryResult(newSourceContact);
        }
      }

      // if recent messages were changed, indexes have change lets
      // fire event for the last element which will reorder the whole
      // group if needed.
      if (changed) recentQuery.fireContactChanged(recentMessages.get(recentMessages.size() - 1));
    }
  }