KTp/Components/Chat Window/Plugin API Draft

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Welcome to the KDE Telepathy Development Wiki

Current Version: 0.9.0
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     commits_spark.pngStats at ohloh.net

Making an API to create plugins for the chat window. These should be able to handle the following usecases:

  • Translator plugin - when messages are sent or received, it will translate them before they are displayed (or actually sent)
  • Image Embed plugin - when a URL of an image is received, it will display the image under the text
  • Grammar correction - a plugin that replaces "wont" with "won't" on messages to be sent
  • Youtube embed - embeds a youtube video in a chat


The stakeholders (components) are as follows:

  • UI - telepathy-kde-text-ui and chat-widget etc.
  • Plugin Manager
  • Plugin
  • Core (Telepathy)

<I'll upload the diagram for how they interact later>

The interactions between the components:

  • Plugin Manager and Plugin
    • Process Message
    • Return Message
    • Initialize
    • Loading
    • Destroy
    • Send-Message //still not sure about this
  • Plugin Manager and Ui
    • Display Message
    • Display Final Message
    • Send New Message //to be processed BEFORE being sent
  • Plugin Manager and Core
    • New Message Received
    • Send New Message

It will consist of the following classes

  • Interface Class : ReceivingPlugin
    • virtual methods:
      • ProcessReceivedMessage(Message message);
    • methods:
      • PreProcessReceivedMessage(Message); maybe have method like this, which PluginManager will call, that will check that that message hasn't already been processed before calling ProcessReceivedMessage().
  • Interface Class : SendingPlugin
  • Plugin Manager - Every client that wants to use the plugin system will have a single, global, static instance of this.
    • signal: displayMessage(bool final);
    • slot: processAndSendNewMessage(QString message);
    • slot: processReceivedMessage(Tp::Message message);
    • QList<SendingPlugin>
    • QList<ReceivingPlugin>

This page was last modified on 10 November 2012, at 01:14. Content is available under Creative Commons License SA 4.0 unless otherwise noted.