From 28c44380ba89e51c5aeac01ca9549633fbeb7e11 Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Fri, 21 Feb 2020 02:11:23 +0100
Subject: Move ConversationContentView+ChatInput into ConversationView, handle
 drag'n'drop on ConversationView level

---
 main/src/ui/conversation_view_controller.vala | 96 +++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 main/src/ui/conversation_view_controller.vala

(limited to 'main/src/ui/conversation_view_controller.vala')

diff --git a/main/src/ui/conversation_view_controller.vala b/main/src/ui/conversation_view_controller.vala
new file mode 100644
index 00000000..1a0b2b07
--- /dev/null
+++ b/main/src/ui/conversation_view_controller.vala
@@ -0,0 +1,96 @@
+using Gee;
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui {
+
+enum Target {
+    URI_LIST,
+    STRING
+}
+
+const TargetEntry[] target_list = {
+    { "text/uri-list", 0, Target.URI_LIST }
+};
+
+public class ConversationViewController {
+
+    private ConversationView widget;
+
+    private ChatInputController chat_input_controller;
+    private StreamInteractor stream_interactor;
+    private Conversation? conversation;
+
+    public ConversationViewController(ConversationView widget, StreamInteractor stream_interactor) {
+        this.widget = widget;
+        this.stream_interactor = stream_interactor;
+
+        this.chat_input_controller = new ChatInputController(widget.chat_input, stream_interactor);
+
+        widget.conversation_frame.init(stream_interactor);
+
+        // drag 'n drop file upload
+        Gtk.drag_dest_unset(widget.chat_input.text_input);
+        Gtk.drag_dest_set(widget, DestDefaults.ALL, target_list, Gdk.DragAction.COPY);
+        widget.drag_data_received.connect(this.on_drag_data_received);
+
+        // forward key presses
+        widget.chat_input.key_press_event.connect(forward_key_press_to_chat_input);
+        widget.conversation_frame.key_press_event.connect(forward_key_press_to_chat_input);
+
+        // goto-end floating button
+        var vadjustment = widget.conversation_frame.scrolled.vadjustment;
+        vadjustment.notify["value"].connect(() => {
+            widget.goto_end_revealer.reveal_child = vadjustment.value <  vadjustment.upper - vadjustment.page_size;
+        });
+        widget.goto_end_button.clicked.connect(() => {
+            widget.conversation_frame.initialize_for_conversation(conversation);
+        });
+    }
+
+    public void select_conversation(Conversation? conversation, bool default_initialize_conversation) {
+        this.conversation = conversation;
+
+        chat_input_controller.set_conversation(conversation);
+
+        if (default_initialize_conversation) {
+            widget.conversation_frame.initialize_for_conversation(conversation);
+        }
+    }
+
+    public void on_drag_data_received(Widget widget, Gdk.DragContext context, int x, int y, SelectionData selection_data, uint target_type, uint time) {
+        if ((selection_data != null) && (selection_data.get_length() >= 0)) {
+            switch (target_type) {
+                case Target.URI_LIST:
+                    string[] uris = selection_data.get_uris();
+                    for (int i = 0; i < uris.length; i++) {
+                        try {
+                            string filename = Filename.from_uri(uris[i]);
+                            stream_interactor.get_module(FileManager.IDENTITY).send_file.begin(filename, conversation);
+                        } catch (Error err) {}
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    public bool forward_key_press_to_chat_input(EventKey event) {
+        // Don't forward / change focus on Control / Alt
+        if (event.keyval == Gdk.Key.Control_L || event.keyval == Gdk.Key.Control_R ||
+                event.keyval == Gdk.Key.Alt_L || event.keyval == Gdk.Key.Alt_R) {
+            return false;
+        }
+        // Don't forward / change focus on Control + ...
+        if ((event.state & ModifierType.CONTROL_MASK) > 0) {
+            return false;
+        }
+        widget.chat_input.text_input.key_press_event(event);
+        widget.chat_input.text_input.grab_focus();
+        return true;
+    }
+}
+}
-- 
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