/// <summary>
/// 将SDK的topic类型转换为界面ChatList中的项类型
/// </summary>
public static ChatListChatItemVM TopicToChatListItem(Topic topic)
{
if (topic == null)
{
return(null);
}
var contact = CommunicationCore.GetContactByTopicName(topic.Name);
var chatListItem = new ChatListChatItemVM()
{
TopicName = topic.Name,
Contact = contact,
LastActiveTime = GlobalFunctions.TimestampToDateTime(topic.LastUsed),
RawTopic = topic,
MaxMsgSeq = topic.MaxLocalSeqId
};
return(chatListItem);
}
/// <summary>
/// 在应用程序由最终用户正常启动时进行调用。
/// 将在启动应用程序以打开特定文件等情况下使用。
/// </summary>
/// <param name="e">有关启动请求和过程的详细信息。</param>
protected override void OnLaunched(LaunchActivatedEventArgs e)
{
CommunicationCore.ConfigClient();
//窗口最小尺寸的最大值只能到500*500。
ApplicationView.GetForCurrentView().SetPreferredMinSize(new Size(800.0, 600.0));
ApplicationView.PreferredLaunchViewSize = new Size(1200, 800);
ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;
Frame rootFrame = Window.Current.Content as Frame;
// 不要在窗口已包含内容时重复应用程序初始化，
// 只需确保窗口处于活动状态
if (rootFrame == null)
{
// 创建要充当导航上下文的框架，并导航到第一页
rootFrame = new Frame();
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: 从之前挂起的应用程序加载状态
}
GlobalRef.RootFrame = rootFrame;
Window.Current.Content = rootFrame;
}
if (e.PrelaunchActivated == false)
{
if (rootFrame.Content == null)
{
rootFrame.Navigate(GlobalConfigs.startPage, e.Arguments);
}
Window.Current.Activate();
}
}
/// <summary>
/// 将SDK的消息类型转换为界面消息类型
/// </summary>
public static MessageItemBaseVM MessageToMessageVM(ChatMessage msg)
{
if (msg == null)
{
return(null);
}
var contact = CommunicationCore.GetContactByTopicName(msg.TopicName);
bool sendByMe = !(msg.From == msg.TopicName);
//判断是否为代码消息
if (msg.IsCode == true)
{
return(new CodeMessageVM()
{
Code = msg.Text,
Language = GlobalFunctions.SDKcodeTypeToString(msg.CodeType),
RunResult = null,
ID = msg.Id,
Contact = contact,
SendByMe = sendByMe,
RawMessage = msg
});
}
//判断是否为附件消息
if (msg.IsAttachment == true)
{
var attach = ChatMessageParser.ParseGenericAttachment(msg);
//通过消息解析器获取URL列表
List <string> urls = ChatMessageParser.ParseUrl(msg, CommunicationCore.client.ApiBaseUrl);
string url = urls.Count > 0 ? urls[0] : "";
string name = attach.Count > 0 ? attach[0].Name : "";
string mime = attach.Count > 0 ? attach[0].Mime : "";
//假如是以文件形式发送的图片
if (GlobalFunctions.FindPosInImageMineList(GlobalConfigs.ImageMime, mime.ToLower()) != -1)
{
return(new ImageMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
ImageUri = url
});
}
return(new FileMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
DownloadState = -1,
FileUri = url,
FileName = name,
});
}
//判断是否为图片消息
if (msg.IsPlainText == false)
{
List <string> base64s = ChatMessageParser.ParseImageBase64(msg);
string base64 = base64s.Count > 0 ? base64s[0] : "";
return(new ImageMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
ImageBase64 = base64,
});
}
return(new TextMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
Text = msg.Text
});
}