add Message received

SelfInfoWidget.cpp

@@ -1,5 +1,12 @@
 #include "selfinfowidget.h"
 
+#include <QCursor>
+#include <QGridLayout>
+
+#include "model/datacenter.h"
+
+
+
 SelfInfoWidget::SelfInfoWidget(QWidget *parent)
 	: QDialog(parent)
 {

SelfInfoWidget.h

@@ -4,8 +4,6 @@
 #include <QWidget>
 #include <QLabel>
 #include <qlineedit.h>
-#include <QCursor>
-#include <QGridLayout>
 #include <QPushButton>
 #include "debug.h"
 

mainwidget.cpp

@@ -493,7 +493,7 @@ void MainWidget::loadRecentMessage(const QString& chatSessionId)
         //本地没有数据，从网络加载
         LOG() << "好友聊天数据不存在，正在从网络获取...";
         connect(dataCenter, &DataCenter::getRecentMessageListDone, this, &MainWidget::updateRecentMessage, Qt::UniqueConnection);
-        dataCenter->getRecnetMessageListAsync(chatSessionId);
+        dataCenter->getRecnetMessageListAsync(chatSessionId, true);
     }
 }
 

messageeditarea.cpp

@@ -198,8 +198,10 @@ void MessageEditArea::initSignalSlot()
 
     //关联“发送文本消息”信号槽
     connect(sendTextButton, &QPushButton::clicked, this, &MessageEditArea::sendTextMessage);
-
     connect(dataCenter, &DataCenter::sendMessageDone, this, &MessageEditArea::addSelfMessage);
+
+    //关联收到消息的信号槽
+    connect(dataCenter, &DataCenter::receiveMessageDone, this, &MessageEditArea::addOtherMessage);
 }
 
 void MessageEditArea::sendTextMessage()
@@ -249,6 +251,22 @@ void MessageEditArea::addSelfMessage(MessageType messageType, const QByteArray&
     emit dataCenter->updateLastMessage(currentChatSessionId);
 }
 
+void MessageEditArea::addOtherMessage(const model::Message& message)
+{
+    //通过主界面，拿到消息展示区
+    MainWidget* mainWidget = MainWidget::getInstance();
+    MessageShowArea* messageShowArea = mainWidget->getMessageShowArea();
+
+    //把收到的新消息，添加到消息展示区
+    messageShowArea->addMessage(true, message);
+
+    //控制消息展示区的滚动条，把窗口滚动到末尾
+    messageShowArea->scrollToEnd();
+
+    //提示一个收到消息
+    Toast::showMessage("收到新消息！");
+}
+
 
 //bool MessageEditArea::eventFilter(QObject* obj, QEvent* event)
 //{

messageeditarea.h

@@ -26,6 +26,7 @@ public:
     void initSignalSlot();
     void sendTextMessage();
     void addSelfMessage(MessageType messageType, const QByteArray& content, const QString& extraInfo);
+    void addOtherMessage(const model::Message& message);
     //花式按钮事件
     //bool eventFilter(QObject* obj, QEvent* event) override; 
     

model/datacenter.cpp

@@ -142,6 +142,27 @@ namespace model
 		file.close();
 	}
 
+	void DataCenter::clearUnread(const QString& chatSessionId)
+	{
+		(*unreadMessageCount)[chatSessionId] = 0;
+
+		//手动保存一下结果到文件中
+		saveDataFile();
+	}
+
+	void DataCenter::addUnread(const QString& chatSessionId)
+	{
+		++(*unreadMessageCount)[chatSessionId];
+
+		//手动保存一下结果到文件
+		saveDataFile();
+	}
+
+	int DataCenter::getUnread(const QString& chatSessionId)
+	{
+		return (*unreadMessageCount)[chatSessionId];
+	}
+
 	void DataCenter::getMyselfAsync()
 	{
 		//DataCenter 只是负责“处理数据”，
@@ -239,9 +260,9 @@ namespace model
 		}
 	}
 
-	void DataCenter::getRecnetMessageListAsync(const QString& chatSessionId)
+	void DataCenter::getRecnetMessageListAsync(const QString& chatSessionId, bool updateUI)
 	{
-		netClient.getRecentMessageList(loginSessionId, chatSessionId);
+		netClient.getRecentMessageList(loginSessionId, chatSessionId, updateUI);
 	}
 
 	QList<Message>* DataCenter::getRecentMessageList(const QString& chatSessionId)

model/datacenter.h

@@ -87,6 +87,15 @@ namespace model
 		//从数据文件中加载数据到内存
 		void loadDataFile();
 
+		//清空未读消息数目
+		void clearUnread(const QString& chatSessionId);
+
+		//增加未读消息的数目
+		void addUnread(const QString& chatSessionId);
+
+		//获取未读消息的数目
+		int getUnread(const QString& chatSessionId);
+
 		//获取到当前的登录会话Id
 		const QString& getLoginSessionId() const{
 			return loginSessionId;
@@ -118,7 +127,7 @@ namespace model
 		void resetApplyList(std::shared_ptr<bite_im::GetPendingFriendEventListRsp> resp);
 
 		//获取最近的消息列表
-		void getRecnetMessageListAsync(const QString& chatSessionId);
+		void getRecnetMessageListAsync(const QString& chatSessionId, bool updateUI);
 		QList<Message>* getRecentMessageList(const QString& chatSessionId);
 		void resetRecentMessageList(const QString& chatSessionId, std::shared_ptr<bite_im::GetRecentMsgRsp> resp);
 
@@ -149,7 +158,9 @@ namespace model
 		void getChatSessionListDone();
 		void getApplyListDone();
 		void getRecentMessageListDone(const QString& chatSessionId);
+		void getRecentMessageListDoneNoUI(const QString& chatSessionId);
 		void sendMessageDone(MessageType messageType, const QByteArray& content, const QString& extraInfo);
 		void updateLastMessage(const QString& chatSessionId);
+		void receiveMessageDone(const Message& lastMessage);
 	};
 } //end namespace model

network/netclient.cpp

@@ -50,13 +50,55 @@ namespace network {
 		
 		connect(&websocketClient, &QWebSocket::binaryMessageReceived, this, [=](const QByteArray& byteArray) {
 			LOG() << "webSocket 收到二进制的消息" << byteArray.length();
-			//TODO
+			bite_im::NotifyMessage notifyMessage;
+			notifyMessage.deserialize(&serializer, byteArray);
+			handleWsResponse(notifyMessage);
 			});
 
 		//和服务器真正建立连接
 		websocketClient.open(WEBSOCKET_URL);
 	}
 
+	void NetClient::handleWsResponse(const bite_im::NotifyMessage& notifyMessage)
+	{
+		if (notifyMessage.notifyType() == bite_im::NotifyTypeGadget::NotifyType::CHAT_MESSAGE_NOTIFY) {
+			//收到消息
+			//把pb中的MessageInfo转成客户端自己的message
+			Message message;
+			message.load(notifyMessage.newMessageInfo().messageInfo());
+			//针对自己的message做进一步的处理
+			handleWsMessage(message);
+		}
+		else if (notifyMessage.notifyType() == bite_im::NotifyTypeGadget::NotifyType::CHAT_SESSION_CREATE_NOTIFY) {
+
+		}
+		else if (notifyMessage.notifyType() == bite_im::NotifyTypeGadget::NotifyType::FRIEND_ADD_APPLY_NOTIFY) {
+
+		}
+		else if (notifyMessage.notifyType() == bite_im::NotifyTypeGadget::NotifyType::FRIEND_ADD_PROCESS_NOTIFY) {
+
+		}
+		else if (notifyMessage.notifyType() == bite_im::NotifyTypeGadget::NotifyType::FRIEND_REMOVE_NOTIFY) {
+
+		}
+	}
+
+	void NetClient::handleWsMessage(const model::Message& message)
+	{
+		// 这里要考虑两种情况
+		QList<Message>* messageList = dataCenter->getRecentMessageList(message.chatSessionId);
+		if (messageList == nullptr) {
+			//如果当前这个消息所属的会话，里面的消息列表没有在本地加载,此时需要通过网络先加载整个消息列表
+			connect(dataCenter, &DataCenter::getRecentMessageListDoneNoUI, this, &NetClient::receiveMessage, Qt::UniqueConnection);
+			dataCenter->getRecnetMessageListAsync(message.chatSessionId, false);
+		}
+		else {
+			//若已经在本地加载了，直接把这个消息尾插到消息列表中即可
+			messageList->push_back(message);
+			this->receiveMessage(message.chatSessionId);
+		}
+	}
+
 	void NetClient::sendAuth()
 	{
 		bite_im::ClientAuthenticationReq req;
@@ -250,7 +292,7 @@ namespace network {
 
 	}
 
-	void NetClient::getRecentMessageList(const QString& loginSessionId, const QString& chatSessionId)
+	void NetClient::getRecentMessageList(const QString& loginSessionId, const QString& chatSessionId, bool updateUI)
 	{
 		//通过protobuf构造请求body
 		bite_im::GetRecentMsgReq req;
@@ -281,7 +323,12 @@ namespace network {
 			dataCenter->resetRecentMessageList(chatSessionId, pbResp);
 
 			//发送信号，告知界面进行更新
+			if (updateUI) {
 				emit dataCenter->getRecentMessageListDone(chatSessionId);
+			}
+			else {
+				emit dataCenter->getRecentMessageListDoneNoUI(chatSessionId);
+			}
 			});
 	}
 
@@ -367,4 +414,23 @@ namespace network {
 			LOG() << "发送消息->响应处理完毕 requestId=" << pbResp->requestId();
 			});
 	}
+
+	void NetClient::receiveMessage(const QString& chatSessionId)
+	{
+		//要先判定一下，这个收到消息对应的会话是否是正在被用户选中的“当前会话”
+		//当前会话，就需要把消息显示到消息展示区，也需要更新会话列表消息预览
+		//若不是，只更新消息预览，并且更新“未读消息数目”
+		if (chatSessionId == dataCenter->getCurrentSessionId()) {
+			//说明是选中的会话
+			const Message& lastMessage = dataCenter->getRecentMessageList(chatSessionId)->back();
+			//通过信号，让NetClient模块能够通知界面
+			emit dataCenter->receiveMessageDone(lastMessage);
+		}
+		else {
+			//说明不是 
+			dataCenter->addUnread(chatSessionId);
+		}
+		//统一更新会话列表的消息预览
+		emit dataCenter->updateLastMessage(chatSessionId);
+	}
 } //end namespace network

network/netclient.h

@@ -36,6 +36,9 @@ namespace network {
 		//初始化websocket
 		void initWebSocket();
 
+		void handleWsResponse(const bite_im::NotifyMessage& notifyMessage);
+		void handleWsMessage(const model::Message& message);
+
 		//发送身份认证请求
 		void sendAuth();
 
@@ -83,9 +86,11 @@ namespace network {
 		void getFriendList(const QString& loginSessionId);
 		void getChatSessionList(const QString& loginSessionId);
 		void getApplyList(const QString& loginSessionId);
-		void getRecentMessageList(const QString& loginSessionId, const QString& chatSessionId);
+		void getRecentMessageList(const QString& loginSessionId, const QString& chatSessionId, bool updateUI);
 		void sendMessage(const QString& loginSessionId, const QString& chatSessionId, model::MessageType messageType, 
 			const QByteArray& content, const QString& extraInfo);
+
+		void receiveMessage(const QString& chatSessionId);
 	private:
 		model::DataCenter* dataCenter;
 

sessionfriendarea.cpp

@@ -263,11 +263,24 @@ void SessionFriendArea::clickItem(int index)
 ////////////////////////////////////////
 SessionItem::SessionItem(QWidget *owner, const QString &chatSessionId, const QIcon &avatar,
                          const QString &name, const QString &lastmessage)
-    :SessionFriendItem(owner, avatar, name, lastmessage), chatSessionId(chatSessionId)
+    :SessionFriendItem(owner, avatar, name, lastmessage), chatSessionId(chatSessionId), text(lastmessage)
 {
     //处理更新最后一个消息的信号
     DataCenter* dataCenter = DataCenter::getInstance();
     connect(dataCenter, &DataCenter::updateLastMessage, this, &SessionItem::updateLastMessage);
+
+    //需要显示出未读消息的数目，需持久化，否则重启即丢失
+    int unread = dataCenter->getUnread(chatSessionId);
+    if (unread > 0) {
+        //说明存在未读消息
+        //this->messageLabel->setText(QString("[未读%1条]").arg(unread) + lastmessage);
+        QString coloredPart = QString("[未读%1条]").arg(unread).toHtmlEscaped();
+        QString escapedText = lastmessage.toHtmlEscaped();
+        messageLabel->setText(QString(
+            "<span style=\"color: rgb(221, 43, 43);\">%1</span>"
+            "<span style=\"color: rgb(153, 153, 153);\">%2</span>"
+        ).arg(coloredPart, escapedText));
+    }
 }
 
 void SessionItem::updateLastMessage(const QString& chatSessionId)
@@ -289,7 +302,6 @@ void SessionItem::updateLastMessage(const QString& chatSessionId)
     const Message& lastMessage = messageList->back();
 
     //明确显示的文本内容
-    QString text;
     if (lastMessage.messageType == TEXT_TYPE) {
         text = lastMessage.content;
     }
@@ -309,8 +321,22 @@ void SessionItem::updateLastMessage(const QString& chatSessionId)
 
     //把这个内容显示到界面上
     //后续还要考虑到“未读消息”情况，
-    //TODO
+    if (chatSessionId == dataCenter->getCurrentSessionId()) {
         this->messageLabel->setText(text);
+    }
+    else {
+        int unread = dataCenter->getUnread(chatSessionId);
+        if (unread > 0) {
+            //说明存在未读消息
+            //this->messageLabel->setText(QString("[未读%1条]").arg(unread) + text);
+            QString coloredPart = QString("[未读%1条]").arg(unread).toHtmlEscaped();
+            QString escapedText = text.toHtmlEscaped();
+            messageLabel->setText(QString(
+                "<span style=\"color: rgb(221, 43, 43);\">%1</span>"
+                "<span style=\"color: rgb(153, 153, 153);\">%2</span>"
+            ).arg(coloredPart, escapedText));
+        }
+    }
 }
 
 void SessionItem::active()
@@ -321,6 +347,13 @@ void SessionItem::active()
     //加载会话历史消息，会涉及到当前内存数据的操作，又会涉及到网络通信，以及UI界面的变更
     MainWidget* mainWidget = MainWidget::getInstance();
     mainWidget->loadRecentMessage(chatSessionId);
+
+    //清空未读消息数据，并更新显示
+    DataCenter* dataCenter = DataCenter::getInstance();
+    dataCenter->clearUnread(chatSessionId);
+
+    //更新界面的显示->把未读x条干掉
+    this->messageLabel->setText(text);
 }
 
 ////////////////////////////////////////
@@ -353,7 +386,7 @@ ApplyItem::ApplyItem(QWidget *owner, const QString &userId, const QIcon &avatar,
     QGridLayout* layout = dynamic_cast<QGridLayout*>(this->layout());
     layout->removeWidget(messageLabel);
     //要记得释放内存，否则会内存泄露
-    // delete messageLabel;
+    delete messageLabel;
 
     //创建两个按钮
     QPushButton* acceptBtn = new QPushButton();
@@ -364,8 +397,8 @@ ApplyItem::ApplyItem(QWidget *owner, const QString &userId, const QIcon &avatar,
     rejectBtn->setText("拒绝");
 
     //添加到布局管理器中
-    layout->addWidget(acceptBtn, 1, 2, 1, 1);
+    layout->addWidget(acceptBtn, 1, 2, 1, 3);
-    layout->addWidget(rejectBtn, 1, 3, 1, 1);
+    layout->addWidget(rejectBtn, 1, 5, 1, 3);
 
 }
 

sessionfriendarea.h

@@ -104,6 +104,8 @@ private:
     //当前会话Id
     QString chatSessionId;
 
+    //最后一条消息的文本预览
+    QString text;
 };
 
 ////////////////////////////////////////