wire up message loading

src/application/main-window.vala

@@ -3,6 +3,9 @@ using Gtk;
 
 public class MainWindow : Adw.ApplicationWindow
 {
+    private ConversationListView conversation_list_view;
+    private MessageListView message_list_view;
+
     public MainWindow () {
         Object (title: "Kordophone");
 
@@ -10,10 +13,22 @@ public class MainWindow : Adw.ApplicationWindow
         split_view.set_min_sidebar_width (400);
         set_content (split_view);
 
-        var conversation_list_page = new NavigationPage (new ConversationListView (), "Conversations");
+        conversation_list_view = new ConversationListView ();
+        conversation_list_view.conversation_selected.connect (conversation_selected);
+
+        var conversation_list_page = new NavigationPage (conversation_list_view, "Conversations");
         split_view.sidebar = conversation_list_page;
 
-        var message_list_page = new NavigationPage (new MessageListView (new MessageListModel ("123")), "Messages");
+        message_list_view = new MessageListView (new MessageListModel ("123"));
+        var message_list_page = new NavigationPage (message_list_view, "Messages");
         split_view.content = message_list_page;
     }
+
+    private void conversation_selected(string? conversation_guid) {
+        if (conversation_guid == null) {
+            message_list_view.model = null;
+        } else {
+            message_list_view.model = new MessageListModel (conversation_guid);
+        }
+    }
 }

src/conversation-list/conversation-list-view.vala

@@ -3,6 +3,8 @@ using Gtk;
 
 public class ConversationListView : Adw.Bin
 {
+    public signal void conversation_selected(string? conversation_guid);
+
     private Adw.ToolbarView container;
     private ListBox list_box;
     private ScrolledWindow scrolled_window;
@@ -21,6 +23,11 @@ public class ConversationListView : Adw.Bin
         list_box.set_selection_mode (SelectionMode.SINGLE);
         scrolled_window.set_child (list_box);
 
+        list_box.row_selected.connect ((row) => {
+            var conversation_row = (ConversationRow?) row;
+            conversation_selected(conversation_row != null ? conversation_row.conversation.guid : null);
+        });
+
         header_bar = new Adw.HeaderBar ();
         header_bar.set_title_widget (new Label ("Kordophone"));
         container.add_top_bar (header_bar);

src/conversation-list/conversation-row.vala

@@ -2,11 +2,11 @@ using Adw;
 using Gtk;
 
 public class ConversationRow : Adw.ActionRow {
+    public Conversation conversation;
     private Label unread_badge;
     
     public ConversationRow(Conversation conversation) {
-        Object();
-        
+        this.conversation = conversation;
         title = conversation.display_name;
         subtitle = conversation.last_message_preview;
         subtitle_lines = 1;

src/message-list/message-drawing-area.vala

@@ -92,5 +92,6 @@ private class MessageDrawingArea : Widget
             });
 
         queue_draw();
+        queue_resize();
     }
 }

src/message-list/message-layout.vala

@@ -23,7 +23,7 @@ private class MessageLayout : Object
         this.max_width = max_width;
         this.parent = parent;
 
-        layout = parent.create_pango_layout(message.content);
+        layout = parent.create_pango_layout(message.text);
 
         // Set text attributes
         var font_desc = Pango.FontDescription.from_string(font_description);
@@ -35,7 +35,7 @@ private class MessageLayout : Object
 
     public bool from_me {
         get {
-            return message.sender == null;
+            return message.from_me;
         }
     }
 

src/message-list/message-list-model.vala

@@ -3,6 +3,8 @@ using Gee;
 
 public class MessageListModel : Object, ListModel 
 {
+    public signal void messages_changed();
+
     public SortedSet<Message> messages {
         owned get { return _messages.read_only_view; }
     }
@@ -49,6 +51,8 @@ public class MessageListModel : Object, ListModel
         } catch (Error e) {
             warning("Failed to load messages: %s", e.message);
         }
+
+        messages_changed();
     }
 
     private void got_messages_updated(string conversation_guid) {

src/message-list/message-list-view.vala

@@ -4,12 +4,31 @@ using Gee;
 
 public class MessageListView : Adw.Bin
 {
+    public MessageListModel? model {
+        get {
+            return _model;
+        }
+        set {
+            _model = value;
+
+            if (model != null) {
+                model.messages_changed.connect(reload_messages);
+                model.load_messages();
+            } else {
+                message_drawing_area.set_messages(new TreeSet<Message>());
+            }
+        }
+    }
+
+    private MessageListModel? _model = null;
     private Adw.ToolbarView container;
 
     private MessageDrawingArea message_drawing_area = new MessageDrawingArea();
     private ScrolledWindow scrolled_window = new ScrolledWindow();
 
-    public MessageListView(MessageListModel model) {
+    public MessageListView(MessageListModel? model = null) {
+        this.model = model;
+
         container = new Adw.ToolbarView();
         set_child(container);
 
@@ -20,14 +39,9 @@ public class MessageListView : Adw.Bin
         var header_bar = new Adw.HeaderBar();
         header_bar.set_title_widget(new Label("Messages"));
         container.add_top_bar(header_bar);
+    }
 
-        // Create test message set 
-        var messages = new TreeSet<Message>();
-        messages.add(new Message("Hello, world!", 1, "user"));
-        messages.add(new Message("How, are you?", 2, null));
-        messages.add(new Message("I'm fine, thank you!", 3, "user"));
-        messages.add(new Message("GTK also supports color expressions, which allow colors to be transformed to new ones and can be nested, providing a rich language to define colors. Color expressions resemble functions, taking 1 or more colors and in some cases a number as arguments.", 4, "user"));
-
-        message_drawing_area.set_messages(messages);
+    private void reload_messages() {
+        message_drawing_area.set_messages(_model.messages);
     }
 }

src/models/message.vala

@@ -3,19 +3,26 @@ using GLib;
 public class Message : Object 
 {
     public string guid { get; set; default = ""; }
-    public string content { get; set; default = ""; }
+    public string text { get; set; default = ""; }
     public int64 date { get; set; default = 0; }
-    public string? sender { get; set; default = null; }
+    public string sender { get; set; default = null; }
 
-    public Message(string content, int64 date, string? sender) {
-        this.content = content;
+    public bool from_me {
+        get {
+            // Hm, this may have been accidental. 
+            return sender == "(Me)";
+        }
+    }
+
+    public Message(string text, int64 date, string? sender) {
+        this.text = text;
         this.date = date;
         this.sender = sender;
     }
 
     public Message.from_hash_table(HashTable<string, Variant> message_data) {
-        guid = message_data["guid"].get_string();
-        content = message_data["content"].get_string();
+        guid = message_data["id"].get_string();
+        text = message_data["text"].get_string();
         date = message_data["date"].get_int64();
         sender = message_data["sender"].get_string();
     }