MessageHandler.java

package com.wuxiaolong.wochat.leancloud;

import android.content.Context;
import android.content.Intent;
import android.util.Log;

import com.avos.avoscloud.im.v2.AVIMClient;
import com.avos.avoscloud.im.v2.AVIMConversation;
import com.avos.avoscloud.im.v2.AVIMTypedMessage;
import com.avos.avoscloud.im.v2.AVIMTypedMessageHandler;
import com.avos.avoscloud.im.v2.messages.AVIMTextMessage;
import com.avoscloud.leanchatlib.event.ImTypeMessageEvent;
import com.avoscloud.leanchatlib.controller.AVImClientManager;
import com.wuxiaolong.wochat.util.AppConstant;
import com.wuxiaolong.wochat.R;

import de.greenrobot.event.EventBus;

/**
 * Created by zhangxiaobo on 15/4/20.
 */
public class MessageHandler extends AVIMTypedMessageHandler<AVIMTypedMessage> {

    private Context context;

    public MessageHandler(Context context) {
        this.context = context;
    }

    @Override
    public void onMessage(AVIMTypedMessage message, AVIMConversation conversation, AVIMClient client) {
        Log.e("wxl", "MessageHandler onMessage");
        String clientID = "";
        try {
            clientID = AVImClientManager.getInstance().getClientId();

            if (client.getClientId().equals(clientID)) {
                Log.e("wxl", "MessageHandler onMessage clientID=" + clientID + ",client.getClientId()=" + client.getClientId() + ",message.getFrom()=" + message.getFrom());
                // 过滤掉自己发的消息
                if (!message.getFrom().equals(clientID)) {
                    sendEvent(message, conversation);
//                    Log.e("wxl", "MessageHandler=" + NotificationUtils.isShowNotification(conversation.getConversationId()));
//                    if (NotificationUtils.isShowNotification(conversation.getConversationId())) {
//                        sendNotification(message, conversation);
//                    }
                }
            } else {
                client.close(null);
            }
        } catch (IllegalStateException e) {
            client.close(null);
        }
    }

    /**
     * 因为没有 db，所以暂时先把消息广播出去，由接收方自己处理
     * 稍后应该加入 db
     *
     * @param message
     * @param conversation
     */
    private void sendEvent(AVIMTypedMessage message, AVIMConversation conversation) {
        ImTypeMessageEvent event = new ImTypeMessageEvent();
        event.message = message;
        event.conversation = conversation;
        EventBus.getDefault().post(event);

    }

    private void sendNotification(AVIMTypedMessage message, AVIMConversation conversation) {
        String notificationContent = message instanceof AVIMTextMessage ? ((AVIMTextMessage) message).getText() : context.getString(R.string.unspport_message_type);

        Intent intent = new Intent(context, NotificationBroadcastReceiver.class);
        intent.putExtra(AppConstant.CONVERSATION_ID, conversation.getConversationId());
        intent.putExtra(AppConstant.ACTIVITY_TITLE, conversation.getName());
        intent.putExtra(AppConstant.MEMBER_ID, message.getFrom());
//        NotificationUtils.showNotification(context, "新信息", notificationContent, null, intent);
    }
}