Examples with EventContent org.matrix.androidsdk.rest.model.EventContent used on opensource projects

Example 1 with EventContent

use of org.matrix.androidsdk.rest.model.EventContent in project matrix-android-sdk by matrix-org.

the class EventTimeline method handleLiveEvent.

/**
 * Handle events coming down from the event stream.
 *
 * @param event                   the live event
 * @param checkRedactedStateEvent set to true to check if it triggers a state event redaction
 * @param withPush                set to true to trigger pushes when it is required
 */
private void handleLiveEvent(Event event, boolean checkRedactedStateEvent, boolean withPush) {
    MyUser myUser = mDataHandler.getMyUser();
    // Decrypt event if necessary
    mDataHandler.decryptEvent(event, getTimelineId());
    // dispatch the call events to the calls manager
    if (event.isCallEvent()) {
        mDataHandler.getCallsManager().handleCallEvent(mStore, event);
        storeLiveRoomEvent(event, false);
        // because the users don't need to see the peer exchanges.
        if (!TextUtils.equals(event.getType(), Event.EVENT_TYPE_CALL_CANDIDATES)) {
            // warn the listeners
            // general listeners
            mDataHandler.onLiveEvent(event, mState);
            // timeline listeners
            onEvent(event, Direction.FORWARDS, mState);
        }
        // trigger pushes when it is required
        if (withPush) {
            triggerPush(event);
        }
    } else {
        Event storedEvent = mStore.getEvent(event.eventId, event.roomId);
        // avoid processing event twice
        if (null != storedEvent) {
            // an event has been echoed
            if (storedEvent.getAge() == Event.DUMMY_EVENT_AGE) {
                mStore.deleteEvent(storedEvent);
                mStore.storeLiveRoomEvent(event);
                mStore.commit();
                Log.d(LOG_TAG, "handleLiveEvent : the event " + event.eventId + " in " + event.roomId + " has been echoed");
            } else {
                Log.d(LOG_TAG, "handleLiveEvent : the event " + event.eventId + " in " + event.roomId + " already exist.");
                return;
            }
        }
        // Room event
        if (event.roomId != null) {
            // instead of being done in the application
            if (Event.EVENT_TYPE_STATE_ROOM_MEMBER.equals(event.getType()) && TextUtils.equals(event.getSender(), mDataHandler.getUserId())) {
                EventContent eventContent = JsonUtils.toEventContent(event.getContentAsJsonObject());
                EventContent prevEventContent = event.getPrevContent();
                String prevMembership = null;
                if (null != prevEventContent) {
                    prevMembership = prevEventContent.membership;
                }
                // it should mean that the user profile has been updated.
                if (!event.isRedacted() && TextUtils.equals(prevMembership, eventContent.membership) && TextUtils.equals(RoomMember.MEMBERSHIP_JOIN, eventContent.membership)) {
                    // check if the user updates his profile from another device.
                    boolean hasAccountInfoUpdated = false;
                    if (!TextUtils.equals(eventContent.displayname, myUser.displayname)) {
                        hasAccountInfoUpdated = true;
                        myUser.displayname = eventContent.displayname;
                        mStore.setDisplayName(myUser.displayname, event.getOriginServerTs());
                    }
                    if (!TextUtils.equals(eventContent.avatar_url, myUser.getAvatarUrl())) {
                        hasAccountInfoUpdated = true;
                        myUser.setAvatarUrl(eventContent.avatar_url);
                        mStore.setAvatarURL(myUser.avatar_url, event.getOriginServerTs());
                    }
                    if (hasAccountInfoUpdated) {
                        mDataHandler.onAccountInfoUpdate(myUser);
                    }
                }
            }
            RoomState previousState = mState;
            if (event.stateKey != null) {
                // copy the live state before applying any update
                deepCopyState(Direction.FORWARDS);
                // check if the event has been processed
                if (!processStateEvent(event, Direction.FORWARDS)) {
                    // assume that the event is a duplicated one.
                    return;
                }
            }
            storeLiveRoomEvent(event, checkRedactedStateEvent);
            // warn the listeners
            // general listeners
            mDataHandler.onLiveEvent(event, previousState);
            // timeline listeners
            onEvent(event, Direction.FORWARDS, previousState);
            // trigger pushes when it is required
            if (withPush) {
                triggerPush(event);
            }
        } else {
            Log.e(LOG_TAG, "Unknown live event type: " + event.getType());
        }
    }
}

Example 2 with EventContent

use of org.matrix.androidsdk.rest.model.EventContent in project matrix-android-sdk by matrix-org.

the class EventDisplay method getMembershipNotice.

/**
 * Build a membership notice text from its dedicated event.
 *
 * @param context   the context.
 * @param event     the event.
 * @param roomState the room state.
 * @return the membership text.
 */
public static String getMembershipNotice(Context context, Event event, RoomState roomState) {
    JsonObject content = event.getContentAsJsonObject();
    // don't support redacted membership event
    if ((null == content) || (content.entrySet().size() == 0)) {
        return null;
    }
    EventContent eventContent = JsonUtils.toEventContent(event.getContentAsJsonObject());
    EventContent prevEventContent = event.getPrevContent();
    String senderDisplayName = senderDisplayNameForEvent(event, eventContent, prevEventContent, roomState);
    String prevUserDisplayName = null;
    String prevMembership = null;
    if (null != prevEventContent) {
        prevMembership = prevEventContent.membership;
    }
    if ((null != prevEventContent)) {
        prevUserDisplayName = prevEventContent.displayname;
    }
    // use by default the provided display name
    String targetDisplayName = eventContent.displayname;
    // and try to retrieve a valid display name
    if (null == targetDisplayName) {
        targetDisplayName = event.stateKey;
        if ((null != targetDisplayName) && (null != roomState) && !event.isRedacted()) {
            targetDisplayName = roomState.getMemberName(targetDisplayName);
        }
    }
    // Check whether the sender has updated his profile (the membership is then unchanged)
    if (TextUtils.equals(prevMembership, eventContent.membership)) {
        String redactedInfo = EventDisplay.getRedactionMessage(context, event, roomState);
        // Is redacted event?
        if (event.isRedacted()) {
            // Here the event is ignored (no display)
            if (null == redactedInfo) {
                return null;
            }
            return context.getString(R.string.notice_profile_change_redacted, senderDisplayName, redactedInfo);
        } else {
            String displayText = "";
            if (!TextUtils.equals(senderDisplayName, prevUserDisplayName)) {
                if (TextUtils.isEmpty(prevUserDisplayName)) {
                    if (!TextUtils.equals(event.getSender(), senderDisplayName)) {
                        displayText = context.getString(R.string.notice_display_name_set, event.getSender(), senderDisplayName);
                    }
                } else if (TextUtils.isEmpty(senderDisplayName)) {
                    displayText = context.getString(R.string.notice_display_name_removed, event.getSender(), prevUserDisplayName);
                } else {
                    displayText = context.getString(R.string.notice_display_name_changed_from, event.getSender(), prevUserDisplayName, senderDisplayName);
                }
            }
            // Check whether the avatar has been changed
            String avatar = eventContent.avatar_url;
            String prevAvatar = null;
            if (null != prevEventContent) {
                prevAvatar = prevEventContent.avatar_url;
            }
            if (!TextUtils.equals(prevAvatar, avatar)) {
                if (!TextUtils.isEmpty(displayText)) {
                    displayText = displayText + " " + context.getString(R.string.notice_avatar_changed_too);
                } else {
                    displayText = context.getString(R.string.notice_avatar_url_changed, senderDisplayName);
                }
            }
            return displayText;
        }
    } else if (RoomMember.MEMBERSHIP_INVITE.equals(eventContent.membership)) {
        if (null != eventContent.third_party_invite) {
            return context.getString(R.string.notice_room_third_party_registered_invite, targetDisplayName, eventContent.third_party_invite.display_name);
        } else {
            String selfUserId = null;
            if ((null != roomState) && (null != roomState.getDataHandler())) {
                selfUserId = roomState.getDataHandler().getUserId();
            }
            if (TextUtils.equals(event.stateKey, selfUserId)) {
                return context.getString(R.string.notice_room_invite_you, senderDisplayName);
            }
            if (null == event.stateKey) {
                return context.getString(R.string.notice_room_invite_no_invitee, senderDisplayName);
            }
            // conference call case
            if (targetDisplayName.equals(MXCallsManager.getConferenceUserId(event.roomId))) {
                return context.getString(R.string.notice_requested_voip_conference, senderDisplayName);
            }
            return context.getString(R.string.notice_room_invite, senderDisplayName, targetDisplayName);
        }
    } else if (RoomMember.MEMBERSHIP_JOIN.equals(eventContent.membership)) {
        // conference call case
        if (TextUtils.equals(event.sender, MXCallsManager.getConferenceUserId(event.roomId))) {
            return context.getString(R.string.notice_voip_started);
        }
        return context.getString(R.string.notice_room_join, senderDisplayName);
    } else if (RoomMember.MEMBERSHIP_LEAVE.equals(eventContent.membership)) {
        // conference call case
        if (TextUtils.equals(event.sender, MXCallsManager.getConferenceUserId(event.roomId))) {
            return context.getString(R.string.notice_voip_finished);
        }
        // 2 cases here: this member may have left voluntarily or they may have been "left" by someone else ie. kicked
        if (TextUtils.equals(event.getSender(), event.stateKey)) {
            if ((null != prevEventContent) && TextUtils.equals(prevEventContent.membership, RoomMember.MEMBERSHIP_INVITE)) {
                return context.getString(R.string.notice_room_reject, senderDisplayName);
            } else {
                // use the latest known displayname
                if ((null == eventContent.displayname) && (null != prevUserDisplayName)) {
                    senderDisplayName = prevUserDisplayName;
                }
                return context.getString(R.string.notice_room_leave, senderDisplayName);
            }
        } else if (null != prevMembership) {
            if (prevMembership.equals(RoomMember.MEMBERSHIP_INVITE)) {
                return context.getString(R.string.notice_room_withdraw, senderDisplayName, targetDisplayName);
            } else if (prevMembership.equals(RoomMember.MEMBERSHIP_JOIN)) {
                return context.getString(R.string.notice_room_kick, senderDisplayName, targetDisplayName);
            } else if (prevMembership.equals(RoomMember.MEMBERSHIP_BAN)) {
                return context.getString(R.string.notice_room_unban, senderDisplayName, targetDisplayName);
            }
        }
    } else if (RoomMember.MEMBERSHIP_BAN.equals(eventContent.membership)) {
        return context.getString(R.string.notice_room_ban, senderDisplayName, targetDisplayName);
    } else if (RoomMember.MEMBERSHIP_KICK.equals(eventContent.membership)) {
        return context.getString(R.string.notice_room_kick, senderDisplayName, targetDisplayName);
    } else {
        Log.e(LOG_TAG, "Unknown membership: " + eventContent.membership);
    }
    return null;
}

Example 3 with EventContent

use of org.matrix.androidsdk.rest.model.EventContent in project matrix-android-sdk by matrix-org.

the class MXCrypto method decryptEvent.

/**
 * Decrypt a received event
 *
 * @param event    the raw event.
 * @param timeline the id of the timeline where the event is decrypted. It is used to prevent replay attack.
 * @return true if the decryption was successful.
 */
public MXEventDecryptionResult decryptEvent(final Event event, final String timeline) throws MXDecryptionException {
    if (null == event) {
        Log.e(LOG_TAG, "## decryptEvent : null event");
        return null;
    }
    final EventContent eventContent = event.getWireEventContent();
    if (null == eventContent) {
        Log.e(LOG_TAG, "## decryptEvent : empty event content");
        return null;
    }
    final List<MXEventDecryptionResult> results = new ArrayList<>();
    final CountDownLatch lock = new CountDownLatch(1);
    final List<MXDecryptionException> exceptions = new ArrayList<>();
    getDecryptingThreadHandler().post(new Runnable() {

        @Override
        public void run() {
            MXEventDecryptionResult result = null;
            IMXDecrypting alg = getRoomDecryptor(event.roomId, eventContent.algorithm);
            if (null == alg) {
                String reason = String.format(MXCryptoError.UNABLE_TO_DECRYPT_REASON, event.eventId, eventContent.algorithm);
                Log.e(LOG_TAG, "## decryptEvent() : " + reason);
                exceptions.add(new MXDecryptionException(new MXCryptoError(MXCryptoError.UNABLE_TO_DECRYPT_ERROR_CODE, MXCryptoError.UNABLE_TO_DECRYPT, reason)));
            } else {
                try {
                    result = alg.decryptEvent(event, timeline);
                } catch (MXDecryptionException decryptionException) {
                    exceptions.add(decryptionException);
                }
                if (null != result) {
                    results.add(result);
                }
            }
            lock.countDown();
        }
    });
    try {
        lock.await();
    } catch (Exception e) {
        Log.e(LOG_TAG, "## decryptEvent() : failed " + e.getMessage());
    }
    if (!exceptions.isEmpty()) {
        throw exceptions.get(0);
    }
    if (!results.isEmpty()) {
        return results.get(0);
    }
    return null;
}

Example 4 with EventContent

use of org.matrix.androidsdk.rest.model.EventContent in project matrix-android-sdk by matrix-org.

the class MXCrypto method onCryptoEvent.

/**
 * Handle an m.room.encryption event.
 *
 * @param event the encryption event.
 */
private void onCryptoEvent(final Event event) {
    final EventContent eventContent = event.getWireEventContent();
    getEncryptingThreadHandler().post(new Runnable() {

        @Override
        public void run() {
            setEncryptionInRoom(event.roomId, eventContent.algorithm, true);
        }
    });
}

Example 5 with EventContent

use of org.matrix.androidsdk.rest.model.EventContent in project matrix-android-sdk by matrix-org.

the class RoomSummary method isSupportedEvent.

/**
 * Test if the event can be summarized.
 * Some event types are not yet supported.
 *
 * @param event the event to test.
 * @return true if the event can be summarized
 */
public static boolean isSupportedEvent(Event event) {
    String type = event.getType();
    boolean isSupported = false;
    // check if the msgtype is supported
    if (TextUtils.equals(Event.EVENT_TYPE_MESSAGE, type)) {
        try {
            JsonObject eventContent = event.getContentAsJsonObject();
            String msgType = "";
            JsonElement element = eventContent.get("msgtype");
            if (null != element) {
                msgType = element.getAsString();
            }
            isSupported = TextUtils.equals(msgType, Message.MSGTYPE_TEXT) || TextUtils.equals(msgType, Message.MSGTYPE_EMOTE) || TextUtils.equals(msgType, Message.MSGTYPE_NOTICE) || TextUtils.equals(msgType, Message.MSGTYPE_IMAGE) || TextUtils.equals(msgType, Message.MSGTYPE_AUDIO) || TextUtils.equals(msgType, Message.MSGTYPE_VIDEO) || TextUtils.equals(msgType, Message.MSGTYPE_FILE);
            if (!isSupported && !TextUtils.isEmpty(msgType)) {
                Log.e(LOG_TAG, "isSupportedEvent : Unsupported msg type " + msgType);
            }
        } catch (Exception e) {
            Log.e(LOG_TAG, "isSupportedEvent failed " + e.getMessage());
        }
    } else if (TextUtils.equals(Event.EVENT_TYPE_MESSAGE_ENCRYPTED, type)) {
        isSupported = event.hasContentFields();
    } else if (!TextUtils.isEmpty(type)) {
        isSupported = TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_TOPIC, type) || TextUtils.equals(Event.EVENT_TYPE_MESSAGE_ENCRYPTED, type) || TextUtils.equals(Event.EVENT_TYPE_MESSAGE_ENCRYPTION, type) || TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_NAME, type) || TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_MEMBER, type) || TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_CREATE, type) || TextUtils.equals(Event.EVENT_TYPE_STATE_HISTORY_VISIBILITY, type) || TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_THIRD_PARTY_INVITE, type) || TextUtils.equals(Event.EVENT_TYPE_STICKER, type) || (event.isCallEvent() && !Event.EVENT_TYPE_CALL_CANDIDATES.equals(type));
        if (!isSupported) {
            // avoid warning when it is not required.
            if (!TextUtils.equals(Event.EVENT_TYPE_TYPING, type) && !TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_POWER_LEVELS, type) && !TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_JOIN_RULES, type) && !TextUtils.equals(Event.EVENT_TYPE_STATE_CANONICAL_ALIAS, type) && !TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_ALIASES, type)) {
                Log.e(LOG_TAG, "isSupportedEvent :  Unsupported event type " + type);
            }
        } else if (TextUtils.equals(Event.EVENT_TYPE_STATE_ROOM_MEMBER, type)) {
            JsonObject eventContentAsJsonObject = event.getContentAsJsonObject();
            if (null != eventContentAsJsonObject) {
                if (0 == eventContentAsJsonObject.entrySet().size()) {
                    isSupported = false;
                    Log.d(LOG_TAG, "isSupportedEvent : room member with no content is not supported");
                } else {
                    // do not display the avatar / display name update
                    EventContent prevEventContent = event.getPrevContent();
                    EventContent eventContent = event.getEventContent();
                    String membership = null;
                    String preMembership = null;
                    if (null != prevEventContent) {
                        membership = eventContent.membership;
                    }
                    if (null != prevEventContent) {
                        preMembership = prevEventContent.membership;
                    }
                    isSupported = (null == membership) || !TextUtils.equals(membership, preMembership);
                    if (!isSupported) {
                        Log.d(LOG_TAG, "isSupportedEvent : do not support avatar display name update");
                    }
                }
            }
        }
    }
    return isSupported;
}