Implemented message deletion

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

7 files changed, 89 insertions, 0 deletions

diff --git a/src/chat/messenger.c b/src/chat/messenger.c
index f1ea471..452e476 100644
--- a/src/chat/messenger.c
+++ b/src/chat/messenger.c
@@ -170,6 +170,16 @@ _chat_messenger_message(void *cls,
       );
       break;
     }
+    case GNUNET_CHAT_KIND_DELETION:
+    {
+      application_call_message_event(
+          app,
+          event_delete_message,
+          context,
+          message
+      );
+      break;
+    }
     default:
       break;
   }
diff --git a/src/event.c b/src/event.c
index 8133b54..459f910 100644
--- a/src/event.c
+++ b/src/event.c
@@ -472,3 +472,31 @@ event_receive_message(MESSENGER_Application *app,
   ui_chat_add_message(handle->chat, app, message);
   ui_chat_entry_update(handle, app, context);
 }
+
+void
+event_delete_message(MESSENGER_Application *app,
+                     struct GNUNET_CHAT_Context *context,
+                     const struct GNUNET_CHAT_Message *msg)
+{
+  UI_CHAT_ENTRY_Handle *handle = GNUNET_CHAT_context_get_user_pointer(context);
+
+  if ((!handle) || (!(handle->chat)))
+    return;
+
+  GList *messages = handle->chat->messages;
+
+  while (messages)
+  {
+    UI_MESSAGE_Handle *message = (UI_MESSAGE_Handle*) (messages->data);
+
+    if ((message) && (message->msg == GNUNET_CHAT_message_get_target(msg)))
+    {
+      ui_chat_remove_message(handle->chat, app, message);
+      break;
+    }
+
+    messages = messages->next;
+  }
+
+  ui_chat_entry_update(handle, app, context);
+}
diff --git a/src/event.h b/src/event.h
index 746e9f3..59dd348 100644
--- a/src/event.h
+++ b/src/event.h
@@ -58,4 +58,9 @@ event_receive_message(MESSENGER_Application *app,
                       struct GNUNET_CHAT_Context *context,
                       const struct GNUNET_CHAT_Message *msg);
 
+void
+event_delete_message(MESSENGER_Application *app,
+                     struct GNUNET_CHAT_Context *context,
+                     const struct GNUNET_CHAT_Message *msg);
+
 #endif /* EVENT_H_ */
diff --git a/src/ui/chat.c b/src/ui/chat.c
index 45d361e..72d75b0 100644
--- a/src/ui/chat.c
+++ b/src/ui/chat.c
@@ -215,6 +215,37 @@ handle_chat_selection_close_button_click(UNUSED GtkButton *button,
 }
 
 static void
+handle_chat_selection_delete_button_click(UNUSED GtkButton *button,
+                                          gpointer user_data)
+{
+  UI_CHAT_Handle *handle = (UI_CHAT_Handle*) user_data;
+
+  GList *selected = gtk_list_box_get_selected_rows(handle->messages_listbox);
+  UI_MESSAGE_Handle *message;
+
+  while (selected)
+  {
+    GtkListBoxRow *row = GTK_LIST_BOX_ROW(selected->data);
+
+    if (!row)
+      goto skip_row;
+
+    message = g_hash_table_lookup(handle->bindings, row);
+
+    if ((!message) || (!(message->msg)))
+      goto skip_row;
+
+    GNUNET_CHAT_message_delete(
+        message->msg,
+        GNUNET_TIME_relative_get_zero_()
+    );
+
+  skip_row:
+    selected = selected->next;
+  }
+}
+
+static void
 handle_attach_file_button_click(GtkButton *button,
                                 gpointer user_data)
 {
@@ -362,6 +393,8 @@ ui_chat_new(MESSENGER_Application *app)
   UI_CHAT_Handle *handle = g_malloc(sizeof(UI_CHAT_Handle));
   UI_MESSENGER_Handle *messenger = &(app->ui.messenger);
 
+  handle->bindings = app->ui.bindings;
+
   handle->messages = NULL;
   handle->edge_value = 0;
 
@@ -524,6 +557,13 @@ ui_chat_new(MESSENGER_Application *app)
   );
 
   g_signal_connect(
+      handle->selection_delete_button,
+      "clicked",
+      G_CALLBACK(handle_chat_selection_delete_button_click),
+      handle
+  );
+
+  g_signal_connect(
       handle->messages_listbox,
       "size-allocate",
       G_CALLBACK(handle_chat_messages_listbox_size_allocate),
diff --git a/src/ui/chat.h b/src/ui/chat.h
index 300a9be..b27f829 100644
--- a/src/ui/chat.h
+++ b/src/ui/chat.h
@@ -38,6 +38,8 @@ typedef struct UI_FILE_LOAD_ENTRY_Handle UI_FILE_LOAD_ENTRY_Handle;
 
 typedef struct UI_CHAT_Handle
 {
+  GHashTable *bindings;
+
   GList *messages;
   gdouble edge_value;
 
diff --git a/src/ui/message.c b/src/ui/message.c
index 5cbafcc..4dbddf1 100644
--- a/src/ui/message.c
+++ b/src/ui/message.c
@@ -249,6 +249,7 @@ ui_message_new(MESSENGER_Application *app,
   handle->type = type;
 
   handle->timestamp = GNUNET_TIME_absolute_get_zero_();
+  handle->msg = NULL;
 
   const char *ui_builder_file;
 
@@ -403,6 +404,8 @@ ui_message_update(UI_MESSAGE_Handle *handle,
 {
   struct GNUNET_CHAT_File *file = NULL;
 
+  handle->msg = msg;
+
   if (msg)
   {
     file = GNUNET_CHAT_message_get_file(msg);
diff --git a/src/ui/message.h b/src/ui/message.h
index 71387ef..87c7003 100644
--- a/src/ui/message.h
+++ b/src/ui/message.h
@@ -46,6 +46,7 @@ typedef struct UI_MESSAGE_Handle
   UI_MESSAGE_Type type;
 
   struct GNUNET_TIME_Absolute timestamp;
+  const struct GNUNET_CHAT_Message *msg;
 
   GtkBuilder *builder;
   GtkWidget *message_box;