Add file upload preview

fixes #756

1 files changed, 26 insertions, 1 deletions

diff --git a/main/src/ui/conversation_view.vala b/main/src/ui/conversation_view.vala
index b521b5ad..5d27e138 100644
--- a/main/src/ui/conversation_view.vala
+++ b/main/src/ui/conversation_view.vala
@@ -7,13 +7,38 @@ using Dino.Entities;
 namespace Dino.Ui {
 
 [GtkTemplate (ui = "/im/dino/Dino/conversation_view.ui")]
-public class ConversationView : Gtk.Box {
+public class ConversationView : Gtk.Overlay {
 
     [GtkChild] public Revealer goto_end_revealer;
     [GtkChild] public Button goto_end_button;
     [GtkChild] public ChatInput.View chat_input;
     [GtkChild] public ConversationSummary.ConversationView conversation_frame;
+    [GtkChild] public Revealer white_revealer;
 
+    construct {
+        white_revealer.notify["child-revealed"].connect_after(on_child_revealed_changed);
+    }
+
+    public void add_overlay_dialog(Widget widget) {
+        Revealer revealer = new Revealer() { transition_type=RevealerTransitionType.CROSSFADE , transition_duration= 100, visible=true };
+        revealer.add(widget);
+
+        this.add_overlay(revealer);
+
+        revealer.reveal_child = true;
+        white_revealer.visible = true;
+        white_revealer.reveal_child = true;
+        widget.destroy.connect(() => {
+            revealer.destroy();
+            white_revealer.reveal_child = false;
+        });
+    }
+
+    private void on_child_revealed_changed() {
+        if (!white_revealer.child_revealed) {
+            white_revealer.visible = false;
+        }
+    }
 }
 
 }